Adding upstream version 4:24.2.0.upstream/4%24.2.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
author: Daniel Baumann <daniel.baumann@progress-linux.org> 2024-04-15 05:54:39 +0000
committer: Daniel Baumann <daniel.baumann@progress-linux.org> 2024-04-15 05:54:39 +0000
commit: 267c6f2ac71f92999e969232431ba04678e7437e (patch)
tree: 358c9467650e1d0a1d7227a21dac2e3d08b622b2 /starmath/source
parent: Initial commit. (diff)
download: libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.tar.xz
libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.zip
60 files changed, 41007 insertions, 0 deletions
diff --git a/starmath/source/ElementsDockingWindow.cxx b/starmath/source/ElementsDockingWindow.cxx
new file mode 100644
index 0000000000..b00e927172
--- /dev/null
+++ b/starmath/source/ElementsDockingWindow.cxx
@@ -0,0 +1,687 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <ElementsDockingWindow.hxx>
+
+#include <starmath.hrc>
+#include <strings.hrc>
+#include <smmod.hxx>
+#include <cfgitem.hxx>
+#include <parse.hxx>
+#include <utility>
+#include <view.hxx>
+#include <visitors.hxx>
+#include <document.hxx>
+#include <strings.hxx>
+
+#include <sfx2/dispatch.hxx>
+#include <sfx2/sfxmodelfactory.hxx>
+#include <svl/stritem.hxx>
+#include <vcl/event.hxx>
+#include <vcl/settings.hxx>
+#include <vcl/uitest/eventdescription.hxx>
+#include <vcl/uitest/logger.hxx>
+#include <vcl/virdev.hxx>
+
+#include <unordered_map>
+
+namespace
+{
+// element, element help, element visual, element visual's translatable
+typedef std::tuple<std::u16string_view, TranslateId, std::u16string_view, TranslateId> SmElementDescr;
+
+// SmParser 5 elements
+
+const SmElementDescr s_a5UnaryBinaryOperatorsList[] =
+{
+    {RID_PLUSX, RID_PLUSX_HELP, {}, {}},
+    {RID_MINUSX, RID_MINUSX_HELP, {}, {}},
+    {RID_PLUSMINUSX, RID_PLUSMINUSX_HELP, {}, {}},
+    {RID_MINUSPLUSX, RID_MINUSPLUSX_HELP, {}, {}},
+    {},
+    {RID_XPLUSY, RID_XPLUSY_HELP, {}, {}},
+    {RID_XMINUSY, RID_XMINUSY_HELP, {}, {}},
+    {RID_XCDOTY, RID_XCDOTY_HELP, {}, {}},
+    {RID_XTIMESY, RID_XTIMESY_HELP, {}, {}},
+    {RID_XSYMTIMESY, RID_XSYMTIMESY_HELP, {}, {}},
+    {RID_XOVERY, RID_XOVERY_HELP, {}, {}},
+    {RID_FRACXY, RID_FRACXY_HELP, {}, {}},
+    {RID_XDIVY, RID_XDIVY_HELP, {}, {}},
+    {RID_XSYMDIVIDEY, RID_XSYMDIVIDEY_HELP, {}, {}},
+    {RID_XOPLUSY, RID_XOPLUSY_HELP, {}, {}},
+    {RID_XOMINUSY, RID_XOMINUSY_HELP, {}, {}},
+    {RID_XODOTY, RID_XODOTY_HELP, {}, {}},
+    {RID_XOTIMESY, RID_XOTIMESY_HELP, {}, {}},
+    {RID_XODIVIDEY, RID_XODIVIDEY_HELP, {}, {}},
+    {RID_XCIRCY, RID_XCIRCY_HELP, {}, {}},
+    {RID_XWIDESLASHY, RID_XWIDESLASHY_HELP, {}, {}},
+    {RID_XWIDEBSLASHY, RID_XWIDEBSLASHY_HELP, {}, {}},
+    {},
+    {RID_NEGX, RID_NEGX_HELP, {}, {}},
+    {RID_XANDY, RID_XANDY_HELP, {}, {}},
+    {RID_XORY, RID_XORY_HELP, {}, {}}
+};
+
+const SmElementDescr s_a5RelationsList[] =
+{
+    {RID_XEQY, RID_XEQY_HELP, {}, {}},
+    {RID_XNEQY, RID_XNEQY_HELP, {}, {}},
+    {RID_XLTY, RID_XLTY_HELP, {}, {}},
+    {RID_XLEY, RID_XLEY_HELP, {}, {}},
+    {RID_XLESLANTY, RID_XLESLANTY_HELP, {}, {}},
+    {RID_XGTY, RID_XGTY_HELP, {}, {}},
+    {RID_XGEY, RID_XGEY_HELP, {}, {}},
+    {RID_XGESLANTY, RID_XGESLANTY_HELP, {}, {}},
+    {RID_XLLY, RID_XLLY_HELP, {}, {}},
+    {RID_XGGY, RID_XGGY_HELP, {}, {}},
+    {},
+    {RID_XAPPROXY, RID_XAPPROXY_HELP, {}, {}},
+    {RID_XSIMY, RID_XSIMY_HELP, {}, {}},
+    {RID_XSIMEQY, RID_XSIMEQY_HELP, {}, {}},
+    {RID_XEQUIVY, RID_XEQUIVY_HELP, {}, {}},
+    {RID_XPROPY, RID_XPROPY_HELP, {}, {}},
+    {RID_XPARALLELY, RID_XPARALLELY_HELP, {}, {}},
+    {RID_XORTHOY, RID_XORTHOY_HELP, {}, {}},
+    {RID_XDIVIDESY, RID_XDIVIDESY_HELP, {}, {}},
+    {RID_XNDIVIDESY, RID_XNDIVIDESY_HELP, {}, {}},
+    {RID_XTOWARDY, RID_XTOWARDY_HELP, {}, {}},
+    {RID_XTRANSLY, RID_XTRANSLY_HELP, {}, {}},
+    {RID_XTRANSRY, RID_XTRANSRY_HELP, {}, {}},
+    {RID_XDEFY, RID_XDEFY_HELP, {}, {}},
+    {},
+    {RID_DLARROW, RID_DLARROW_HELP, {}, {}},
+    {RID_DLRARROW, RID_DLRARROW_HELP, {}, {}},
+    {RID_DRARROW, RID_DRARROW_HELP, {}, {}},
+    {},
+    {RID_XPRECEDESY, RID_XPRECEDESY_HELP, {}, {}},
+    {RID_XSUCCEEDSY, RID_XSUCCEEDSY_HELP, {}, {}},
+    {RID_XPRECEDESEQUALY, RID_XPRECEDESEQUALY_HELP, {}, {}},
+    {RID_XSUCCEEDSEQUALY, RID_XSUCCEEDSEQUALY_HELP, {}, {}},
+    {RID_XPRECEDESEQUIVY, RID_XPRECEDESEQUIVY_HELP, {}, {}},
+    {RID_XSUCCEEDSEQUIVY, RID_XSUCCEEDSEQUIVY_HELP, {}, {}},
+    {RID_XNOTPRECEDESY, RID_XNOTPRECEDESY_HELP, {}, {}},
+    {RID_XNOTSUCCEEDSY, RID_XNOTSUCCEEDSY_HELP, {}, {}},
+};
+
+const SmElementDescr s_a5SetOperationsList[] =
+{
+    {RID_XINY, RID_XINY_HELP, {}, {}},
+    {RID_XNOTINY, RID_XNOTINY_HELP, {}, {}},
+    {RID_XOWNSY, RID_XOWNSY_HELP, {}, {}},
+    {},
+    {RID_XINTERSECTIONY, RID_XINTERSECTIONY_HELP, {}, {}},
+    {RID_XUNIONY, RID_XUNIONY_HELP, {}, {}},
+    {RID_XSETMINUSY, RID_XSETMINUSY_HELP, {}, {}},
+    {RID_XSETQUOTIENTY, RID_XSETQUOTIENTY_HELP, {}, {}},
+    {RID_XSUBSETY, RID_XSUBSETY_HELP, {}, {}},
+    {RID_XSUBSETEQY, RID_XSUBSETEQY_HELP, {}, {}},
+    {RID_XSUPSETY, RID_XSUPSETY_HELP, {}, {}},
+    {RID_XSUPSETEQY, RID_XSUPSETEQY_HELP, {}, {}},
+    {RID_XNSUBSETY, RID_XNSUBSETY_HELP, {}, {}},
+    {RID_XNSUBSETEQY, RID_XNSUBSETEQY_HELP, {}, {}},
+    {RID_XNSUPSETY, RID_XNSUPSETY_HELP, {}, {}},
+    {RID_XNSUPSETEQY, RID_XNSUPSETEQY_HELP, {}, {}},
+    {},
+    {RID_EMPTYSET, RID_EMPTYSET_HELP, {}, {}},
+    {RID_ALEPH, RID_ALEPH_HELP, {}, {}},
+    {RID_SETN, RID_SETN_HELP, {}, {}},
+    {RID_SETZ, RID_SETZ_HELP, {}, {}},
+    {RID_SETQ, RID_SETQ_HELP, {}, {}},
+    {RID_SETR, RID_SETR_HELP, {}, {}},
+    {RID_SETC, RID_SETC_HELP, {}, {}}
+};
+
+const SmElementDescr s_a5FunctionsList[] =
+{
+    {RID_ABSX, RID_ABSX_HELP, {}, {}},
+    {RID_FACTX, RID_FACTX_HELP, {}, {}},
+    {RID_SQRTX, RID_SQRTX_HELP, {}, {}},
+    {RID_NROOTXY, RID_NROOTXY_HELP, {}, {}},
+    {RID_RSUPX, RID_RSUPX_HELP, {}, {}},
+    {RID_EX, RID_EX_HELP, {}, {}},
+    {RID_LNX, RID_LNX_HELP, {}, {}},
+    {RID_EXPX, RID_EXPX_HELP, {}, {}},
+    {RID_LOGX, RID_LOGX_HELP, {}, {}},
+    {RID_ARALOGX, RID_SINX_HELP, {}, {}},
+    {},
+    {RID_SINX, RID_SINX_HELP, {}, {}},
+    {RID_COSX, RID_COSX_HELP, {}, {}},
+    {RID_TANX, RID_TANX_HELP, {}, {}},
+    {RID_COTX, RID_COTX_HELP, {}, {}},
+    {RID_SINHX, RID_SINHX_HELP, {}, {}},
+    {RID_COSHX, RID_COSHX_HELP, {}, {}},
+    {RID_TANHX, RID_TANHX_HELP, {}, {}},
+    {RID_COTHX, RID_COTHX_HELP, {}, {}},
+    {},
+    {RID_ARASINX, RID_SINX_HELP, {}, {}},
+    {RID_ARACOSX, RID_COSX_HELP, {}, {}},
+    {RID_ARATANX, RID_TANX_HELP, {}, {}},
+    {RID_ARACOTX, RID_COTX_HELP, {}, {}},
+    {RID_ARASECX, RID_COTX_HELP, {}, {}},
+    {RID_ARACSCX, RID_COTX_HELP, {}, {}},
+    {RID_ARASINHX, RID_SINHX_HELP, {}, {}},
+    {RID_ARACOSHX, RID_COSHX_HELP, {}, {}},
+    {RID_ARATANHX, RID_TANHX_HELP, {}, {}},
+    {RID_ARACOTHX, RID_COTHX_HELP, {}, {}},
+    {RID_ARASECHX, RID_COTX_HELP, {}, {}},
+    {RID_ARACSCHX, RID_COTX_HELP, {}, {}},
+    {},
+    {RID_ARASIN2X, RID_SINX_HELP, {}, {}},
+    {RID_ARACOS2X, RID_COSX_HELP, {}, {}},
+    {RID_ARATAN2X, RID_TANX_HELP, {}, {}},
+    {RID_ARACOT2X, RID_COTX_HELP, {}, {}},
+    {RID_ARASEC2X, RID_COTX_HELP, {}, {}},
+    {RID_ARACSC2X, RID_COTX_HELP, {}, {}},
+    {RID_ARASINH2X, RID_SINHX_HELP, {}, {}},
+    {RID_ARACOSH2X, RID_COSHX_HELP, {}, {}},
+    {RID_ARATANH2X, RID_TANHX_HELP, {}, {}},
+    {RID_ARACOTH2X, RID_COTHX_HELP, {}, {}},
+    {RID_ARASECH2X, RID_COTX_HELP, {}, {}},
+    {RID_ARACSCH2X, RID_COTX_HELP, {}, {}},
+    {},
+    {RID_ARCSINX, RID_ARCSINX_HELP, {}, {}},
+    {RID_ARCCOSX, RID_ARCCOSX_HELP, {}, {}},
+    {RID_ARCTANX, RID_ARCTANX_HELP, {}, {}},
+    {RID_ARCCOTX, RID_ARCCOTX_HELP, {}, {}},
+    {RID_ARSINHX, RID_ARSINHX_HELP, {}, {}},
+    {RID_ARCOSHX, RID_ARCOSHX_HELP, {}, {}},
+    {RID_ARTANHX, RID_ARTANHX_HELP, {}, {}},
+    {RID_ARCOTHX, RID_ARCOTHX_HELP, {}, {}},
+    {},
+    {RID_FUNCX, RID_FUNCX_HELP, {}, {}},
+};
+
+const SmElementDescr s_a5OperatorsList[] =
+{
+    {RID_LIMX, RID_LIMX_HELP, {}, {}},
+    {RID_LIM_FROMX, RID_LIM_FROMX_HELP, {}, {}},
+    {RID_LIM_TOX, RID_LIM_TOX_HELP, {}, {}},
+    {RID_LIM_FROMTOX, RID_LIM_FROMTOX_HELP, {}, {}},
+    {},
+    {RID_LIMINFX, RID_LIMINFX_HELP, {}, {}},
+    {RID_LIMINF_FROMX, RID_LIMINF_FROMX_HELP, {}, {}},
+    {RID_LIMINF_TOX, RID_LIMINF_TOX_HELP, {}, {}},
+    {RID_LIMINF_FROMTOX, RID_LIMINF_FROMTOX_HELP, {}, {}},
+    {},
+    {RID_LIMSUPX, RID_LIMSUPX_HELP, {}, {}},
+    {RID_LIMSUP_FROMX, RID_LIMSUP_FROMX_HELP, {}, {}},
+    {RID_LIMSUP_TOX, RID_LIMSUP_TOX_HELP, {}, {}},
+    {RID_LIMSUP_FROMTOX, RID_LIMSUP_FROMTOX_HELP, {}, {}},
+    {},
+    {RID_HADDX, RID_HADDX_HELP, {}, {}},
+    {RID_HADD_FROMX, RID_HADD_FROMX_HELP, {}, {}},
+    {RID_HADD_TOX, RID_HADD_TOX_HELP, {}, {}},
+    {RID_HADD_FROMTOX, RID_HADD_FROMTOX_HELP, {}, {}},
+    {},
+    {RID_SUMX, RID_SUMX_HELP, {}, {}},
+    {RID_SUM_FROMX, RID_SUM_FROMX_HELP, {}, {}},
+    {RID_SUM_TOX, RID_SUM_TOX_HELP, {}, {}},
+    {RID_SUM_FROMTOX, RID_SUM_FROMTOX_HELP, {}, {}},
+    {},
+    {RID_MAJX, RID_MAJX_HELP, {}, {}},
+    {RID_MAJ_FROMX, RID_MAJ_FROMX_HELP, {}, {}},
+    {RID_MAJ_TOX, RID_MAJ_TOX_HELP, {}, {}},
+    {RID_MAJ_FROMTOX, RID_MAJ_FROMTOX_HELP, {}, {}},
+    {},
+    {RID_PRODX, RID_PRODX_HELP, {}, {}},
+    {RID_PROD_FROMX, RID_PROD_FROMX_HELP, {}, {}},
+    {RID_PROD_TOX, RID_PROD_TOX_HELP, {}, {}},
+    {RID_PROD_FROMTOX, RID_PROD_FROMTOX_HELP, {}, {}},
+    {},
+    {RID_COPRODX, RID_COPRODX_HELP, {}, {}},
+    {RID_COPROD_FROMX, RID_COPROD_FROMX_HELP, {}, {}},
+    {RID_COPROD_TOX, RID_COPROD_TOX_HELP, {}, {}},
+    {RID_COPROD_FROMTOX, RID_COPROD_FROMTOX_HELP, {}, {}},
+    {},
+    {RID_INTX, RID_INTX_HELP, {}, {}},
+    {RID_INT_FROMX, RID_INT_FROMX_HELP, {}, {}},
+    {RID_INT_TOX, RID_INT_TOX_HELP, {}, {}},
+    {RID_INT_FROMTOX, RID_INT_FROMTOX_HELP, {}, {}},
+    {},
+    {RID_IINTX, RID_IINTX_HELP, {}, {}},
+    {RID_IINT_FROMX, RID_IINT_FROMX_HELP, {}, {}},
+    {RID_IINT_TOX, RID_IINT_TOX_HELP, {}, {}},
+    {RID_IINT_FROMTOX, RID_IINT_FROMTOX_HELP, {}, {}},
+    {},
+    {RID_IIINTX, RID_IIINTX_HELP, {}, {}},
+    {RID_IIINT_FROMX, RID_IIINT_FROMX_HELP, {}, {}},
+    {RID_IIINT_TOX, RID_IIINT_TOX_HELP, {}, {}},
+    {RID_IIINT_FROMTOX, RID_IIINT_FROMTOX_HELP, {}, {}},
+    {},
+    {RID_LINTX, RID_LINTX_HELP, {}, {}},
+    {RID_LINT_FROMX, RID_LINT_FROMX_HELP, {}, {}},
+    {RID_LINT_TOX, RID_LINT_TOX_HELP, {}, {}},
+    {RID_LINT_FROMTOX, RID_LINT_FROMTOX_HELP, {}, {}},
+    {},
+    {RID_LLINTX, RID_LLINTX_HELP, {}, {}},
+    {RID_LLINT_FROMX, RID_LLINT_FROMX_HELP, {}, {}},
+    {RID_LLINT_TOX, RID_LLINT_TOX_HELP, {}, {}},
+    {RID_LLINT_FROMTOX, RID_LLINT_FROMTOX_HELP, {}, {}},
+    {},
+    {RID_LLLINTX, RID_LLLINTX_HELP, {}, {}},
+    {RID_LLLINT_FROMX, RID_LLLINT_FROMX_HELP, {}, {}},
+    {RID_LLLINT_TOX, RID_LLLINT_TOX_HELP, {}, {}},
+    {RID_LLLINT_FROMTOX, RID_LLLINT_FROMTOX_HELP, {}, {}},
+    {},
+    {RID_OPERX, RID_OPERX_HELP, u"oper \xE22B <?>", {}},
+    {RID_OPER_FROMX, RID_OPER_FROMX_HELP, u"oper \xE22B from <?> <?>", {}},
+    {RID_OPER_TOX, RID_OPER_TOX_HELP, u"oper \xE22B to <?> <?>", {}},
+    {RID_OPER_FROMTOX, RID_OPER_FROMTOX_HELP, u"oper \xE22B from <?> to <?> <?>", {}},
+};
+
+const SmElementDescr s_a5AttributesList[] =
+{
+    {RID_ACUTEX, RID_ACUTEX_HELP, {}, {}},
+    {RID_GRAVEX, RID_GRAVEX_HELP, {}, {}},
+    {RID_BREVEX, RID_BREVEX_HELP, {}, {}},
+    {RID_CIRCLEX, RID_CIRCLEX_HELP, {}, {}},
+    {RID_DOTX, RID_DOTX_HELP, {}, {}},
+    {RID_DDOTX, RID_DDOTX_HELP, {}, {}},
+    {RID_DDDOTX, RID_DDDOTX_HELP, {}, {}},
+    {RID_BARX, RID_BARX_HELP, {}, {}},
+    {RID_VECX, RID_VECX_HELP, {}, {}},
+    {RID_HARPOONX, RID_HARPOONX_HELP, {}, {}},
+    {RID_TILDEX, RID_TILDEX_HELP, {}, {}},
+    {RID_HATX, RID_HATX_HELP, {}, {}},
+    {RID_CHECKX, RID_CHECKX_HELP, {}, {}},
+    {},
+    {RID_WIDEVECX, RID_WIDEVECX_HELP, {}, {}},
+    {RID_WIDEHARPOONX, RID_WIDEHARPOONX_HELP, {}, {}},
+    {RID_WIDETILDEX, RID_WIDETILDEX_HELP, {}, {}},
+    {RID_WIDEHATX, RID_WIDEHATX_HELP, {}, {}},
+    {RID_OVERLINEX, RID_OVERLINEX_HELP, {}, {}},
+    {RID_UNDERLINEX, RID_UNDERLINEX_HELP, {}, {}},
+    {RID_OVERSTRIKEX, RID_OVERSTRIKEX_HELP, {}, {}},
+    {},
+    {RID_PHANTOMX, RID_PHANTOMX_HELP, u"\"$1\"", STR_HIDE},
+    {RID_BOLDX, RID_BOLDX_HELP, u"bold B", {}},
+    {RID_ITALX, RID_ITALX_HELP, u"ital I", {}},
+    {RID_SIZEXY, RID_SIZEXY_HELP, u"\"$1\"", STR_SIZE},
+    {RID_FONTXY, RID_FONTXY_HELP, u"\"$1\"", STR_FONT},
+    {},
+    {RID_COLORX_BLACK, RID_COLORX_BLACK_HELP, u"color black { \"$1\" }", STR_BLACK},
+    {RID_COLORX_BLUE, RID_COLORX_BLUE_HELP, u"color blue { \"$1\" }", STR_BLUE},
+    {RID_COLORX_GREEN, RID_COLORX_GREEN_HELP, u"color green { \"$1\" }", STR_GREEN},
+    {RID_COLORX_RED, RID_COLORX_RED_HELP, u"color red { \"$1\" }", STR_RED},
+    {RID_COLORX_AQUA, RID_COLORX_AQUA_HELP, u"color aqua { \"$1\" }", STR_AQUA},
+    {RID_COLORX_FUCHSIA, RID_COLORX_FUCHSIA_HELP, u"color fuchsia { \"$1\" }", STR_FUCHSIA},
+    {RID_COLORX_YELLOW, RID_COLORX_YELLOW_HELP, u"color yellow { \"$1\" }", STR_YELLOW},
+    {RID_COLORX_GRAY, RID_COLORX_GRAY_HELP, u"color gray { \"$1\" }", STR_GRAY},
+    {RID_COLORX_LIME, RID_COLORX_LIME_HELP, u"color lime { \"$1\" }", STR_LIME},
+    {RID_COLORX_MAROON, RID_COLORX_MAROON_HELP, u"color maroon { \"$1\" }", STR_MAROON},
+    {RID_COLORX_NAVY, RID_COLORX_NAVY_HELP, u"color navy { \"$1\" }", STR_NAVY},
+    {RID_COLORX_OLIVE, RID_COLORX_OLIVE_HELP, u"color olive { \"$1\" }", STR_OLIVE},
+    {RID_COLORX_PURPLE, RID_COLORX_PURPLE_HELP, u"color purple { \"$1\" }", STR_PURPLE},
+    {RID_COLORX_SILVER, RID_COLORX_SILVER_HELP, u"color silver { \"$1\" }", STR_SILVER},
+    {RID_COLORX_TEAL, RID_COLORX_TEAL_HELP, u"color teal { \"$1\" }", STR_TEAL},
+    {RID_COLORX_RGB, RID_COLORX_RGB_HELP, u"color rgb 0 0 0 { \"$1\" }", STR_RGB},
+    //{RID_COLORX_RGBA, RID_COLORX_RGBA_HELP, u"color rgba 0 0 0 0 { \"$1\" }", STR_RGBA},
+    {RID_COLORX_HEX, RID_COLORX_HEX_HELP, u"color hex 000000 { \"$1\" }", STR_HEX},
+    {},
+    {RID_COLORX_CORAL, RID_COLORX_CORAL_HELP, u"color coral { \"$1\" }", STR_CORAL},
+    {RID_COLORX_MIDNIGHT, RID_COLORX_MIDNIGHT_HELP, u"color midnightblue { \"$1\" }", STR_MIDNIGHT},
+    {RID_COLORX_CRIMSON, RID_COLORX_CRIMSON_HELP, u"color crimson { \"$1\" }", STR_CRIMSON},
+    {RID_COLORX_VIOLET, RID_COLORX_VIOLET_HELP, u"color violet { \"$1\" }", STR_VIOLET},
+    {RID_COLORX_ORANGE, RID_COLORX_ORANGE_HELP, u"color orange { \"$1\" }", STR_ORANGE},
+    {RID_COLORX_ORANGERED, RID_COLORX_ORANGERED_HELP, u"color orangered { \"$1\" }", STR_ORANGERED},
+    {RID_COLORX_SEAGREEN, RID_COLORX_SEAGREEN_HELP, u"color seagreen { \"$1\" }", STR_SEAGREEN},
+    {RID_COLORX_INDIGO, RID_COLORX_INDIGO_HELP, u"color indigo { \"$1\" }", STR_INDIGO},
+    {RID_COLORX_HOTPINK, RID_COLORX_HOTPINK_HELP, u"color hotpink { \"$1\" }", STR_HOTPINK},
+    {RID_COLORX_LAVENDER, RID_COLORX_LAVENDER_HELP, u"color lavender { \"$1\" }", STR_LAVENDER},
+    {RID_COLORX_SNOW, RID_COLORX_SNOW_HELP, u"color snow { \"$1\" }", STR_SNOW},
+};
+
+const SmElementDescr s_a5BracketsList[] =
+{
+    {RID_LRGROUPX, RID_LRGROUPX_HELP, {}, {}},
+    {},
+    {RID_LRPARENTX, RID_LRPARENTX_HELP, {}, {}},
+    {RID_LRBRACKETX, RID_LRBRACKETX_HELP, {}, {}},
+    {RID_LRDBRACKETX, RID_LRDBRACKETX_HELP, {}, {}},
+    {RID_LRBRACEX, RID_LRBRACEX_HELP, {}, {}},
+    {RID_LRANGLEX, RID_LRANGLEX_HELP, {}, {}},
+    {RID_LMRANGLEXY, RID_LMRANGLEXY_HELP, {}, {}},
+    {RID_LRCEILX, RID_LRCEILX_HELP, {}, {}},
+    {RID_LRFLOORX, RID_LRFLOORX_HELP, {}, {}},
+    {RID_LRLINEX, RID_LRLINEX_HELP, {}, {}},
+    {RID_LRDLINEX, RID_LRDLINEX_HELP, {}, {}},
+    {},
+    {RID_SLRPARENTX, RID_SLRPARENTX_HELP, u"left ( binom{<?>}{<?>} right )", {}},
+    {RID_SLRBRACKETX, RID_SLRBRACKETX_HELP, u"left [ binom{<?>}{<?>} right ]", {}},
+    {RID_SLRDBRACKETX, RID_SLRDBRACKETX_HELP, u"left ldbracket binom{<?>}{<?>} right rdbracket", {}},
+    {RID_SLRBRACEX, RID_SLRBRACEX_HELP, u"left lbrace binom{<?>}{<?>} right rbrace", {}},
+    {RID_SLRANGLEX, RID_SLRANGLEX_HELP, u"left langle binom{<?>}{<?>} right rangle", {}},
+    {RID_SLMRANGLEXY, RID_SLMRANGLEXY_HELP, u"left langle binom{<?>}{<?>} mline binom{<?>}{<?>} right rangle", {}},
+    {RID_SLRCEILX, RID_SLRCEILX_HELP, u"left lceil binom{<?>}{<?>} right rceil", {}},
+    {RID_SLRFLOORX, RID_SLRFLOORX_HELP, u"left lfloor binom{<?>}{<?>} right rfloor", {}},
+    {RID_SLRLINEX, RID_SLRLINEX_HELP, u"left lline binom{<?>}{<?>} right rline", {}},
+    {RID_SLRDLINEX, RID_SLRDLINEX_HELP, u"left ldline binom{<?>}{<?>} right rdline", {}},
+    {},
+    {RID_XOVERBRACEY, RID_XOVERBRACEY_HELP, u"{<?><?><?>} overbrace {<?>}", {}},
+    {RID_XUNDERBRACEY, RID_XUNDERBRACEY_HELP, u"{<?><?><?>} underbrace {<?>} ", {}},
+    {},
+    {RID_EVALX, RID_EVALUATEX_HELP, {}, {}},
+    {RID_EVAL_FROMX, RID_EVALUATE_FROMX_HELP, {}, {}},
+    {RID_EVAL_TOX, RID_EVALUATE_TOX_HELP, {}, {}},
+    {RID_EVAL_FROMTOX, RID_EVALUATE_FROMTOX_HELP, {}, {}},
+};
+
+const SmElementDescr s_a5FormatsList[] =
+{
+    {RID_RSUPX, RID_RSUPX_HELP, {}, {}},
+    {RID_RSUBX, RID_RSUBX_HELP, {}, {}},
+    {RID_LSUPX, RID_LSUPX_HELP, {}, {}},
+    {RID_LSUBX, RID_LSUBX_HELP, {}, {}},
+    {RID_CSUPX, RID_CSUPX_HELP, {}, {}},
+    {RID_CSUBX, RID_CSUBX_HELP, {}, {}},
+    {},
+    {RID_NEWLINE, RID_NEWLINE_HELP, u"\u21B5", {}},
+    {RID_SBLANK, RID_SBLANK_HELP, u"\"`\"", {}},
+    {RID_BLANK, RID_BLANK_HELP, u"\"~\"", {}},
+    {RID_NOSPACE, RID_NOSPACE_HELP, {}, {}},
+    {RID_ALIGNLX, RID_ALIGNLX_HELP, u"\"$1\"", STR_ALIGN_LEFT},
+    {RID_ALIGNCX, RID_ALIGNCX_HELP, u"\"$1\"", STR_ALIGN_CENTER},
+    {RID_ALIGNRX, RID_ALIGNRX_HELP, u"\"$1\"", STR_ALIGN_RIGHT},
+    {},
+    {RID_BINOMXY, RID_BINOMXY_HELP, {}, {}},
+    {RID_STACK, RID_STACK_HELP, {}, {}},
+    {RID_MATRIX, RID_MATRIX_HELP, {}, {}},
+};
+
+const SmElementDescr s_a5OthersList[] =
+{
+    {RID_INFINITY, RID_INFINITY_HELP, {}, {}},
+    {RID_PARTIAL, RID_PARTIAL_HELP, {}, {}},
+    {RID_NABLA, RID_NABLA_HELP, {}, {}},
+    {RID_EXISTS, RID_EXISTS_HELP, {}, {}},
+    {RID_NOTEXISTS, RID_NOTEXISTS_HELP, {}, {}},
+    {RID_FORALL, RID_FORALL_HELP, {}, {}},
+    {RID_HBAR, RID_HBAR_HELP, {}, {}},
+    {RID_LAMBDABAR, RID_LAMBDABAR_HELP, {}, {}},
+    {RID_RE, RID_RE_HELP, {}, {}},
+    {RID_IM, RID_IM_HELP, {}, {}},
+    {RID_WP, RID_WP_HELP, {}, {}},
+    {RID_LAPLACE, RID_LAPLACE_HELP, {}, {}},
+    {RID_FOURIER, RID_FOURIER_HELP, {}, {}},
+    {RID_BACKEPSILON, RID_BACKEPSILON_HELP, {}, {}},
+    {},
+    {RID_LEFTARROW, RID_LEFTARROW_HELP, {}, {}},
+    {RID_RIGHTARROW, RID_RIGHTARROW_HELP, {}, {}},
+    {RID_UPARROW, RID_UPARROW_HELP, {}, {}},
+    {RID_DOWNARROW, RID_DOWNARROW_HELP, {}, {}},
+    {},
+    {RID_DOTSLOW, RID_DOTSLOW_HELP, {}, {}},
+    {RID_DOTSAXIS, RID_DOTSAXIS_HELP, {}, {}},
+    {RID_DOTSVERT, RID_DOTSVERT_HELP, {}, {}},
+    {RID_DOTSUP, RID_DOTSUP_HELP, {}, {}},
+    {RID_DOTSDOWN, RID_DOTSDOWN_HELP, {}, {}},
+};
+
+const SmElementDescr s_a5ExamplesList[] =
+{
+    {u"{func e}^{i %pi} + 1 = 0", RID_EXAMPLE_EULER_IDENTITY_HELP, {}, {}},
+    {u"C = %pi cdot d = 2 cdot %pi cdot r", RID_EXAMPLE_CIRCUMFERENCE_HELP, {}, {}},
+    {u"c = sqrt{ a^2 + b^2 }", RID_EXAMPLE_PYTHAGOREAN_THEO_HELP, {}, {}},
+    {u"vec F = m times vec a", RID_EXAMPLE_2NEWTON, {}, {}},
+    {u"E = m c^2", RID_EXAMPLE_MASS_ENERGY_EQUIV_HELP, {}, {}},
+    {u"G_{%mu %nu} + %LAMBDA g_{%mu %nu}= frac{8 %pi G}{c^4} T_{%mu %nu}", RID_EXAMPLE_GENERAL_RELATIVITY_HELP, {}, {}},
+    {u"%DELTA t' = { %DELTA t } over sqrt{ 1 - v^2 over c^2 }", RID_EXAMPLE_SPECIAL_RELATIVITY_HELP, {}, {}},
+    {u"d over dt left( {partial L}over{partial dot q} right) = {partial L}over{partial q}", RID_EXAMPLE_EULER_LAGRANGE_HELP, {}, {}},
+    {u"int from a to b f'(x) dx = f(b) - f(a)", RID_EXAMPLE_FTC_HELP, {}, {}},
+    {u"ldline %delta bold{r}(t) rdline approx e^{%lambda t} ldline %delta { bold{r} }_0 rdline", RID_EXAMPLE_CHAOS_HELP, {}, {}},
+    {u"f(x) = sum from { n=0 } to { infinity } { {f^{(n)}(x_0) } over { fact{n} } (x-x_0)^n }", RID_EXAMPLE_A_TAYLOR_SERIES_HELP, {}, {}},
+    {u"f(x) = {1} over { %sigma sqrt{2 %pi} } func e^-{ {(x-%mu)^2} over {2 %sigma^2} }", RID_EXAMPLE_GAUSS_DISTRIBUTION_HELP, {}, {}},
+};
+
+const std::vector<TranslateId> s_a5Categories{
+    RID_CATEGORY_UNARY_BINARY_OPERATORS,
+    RID_CATEGORY_RELATIONS,
+    RID_CATEGORY_SET_OPERATIONS,
+    RID_CATEGORY_FUNCTIONS,
+    RID_CATEGORY_OPERATORS,
+    RID_CATEGORY_ATTRIBUTES,
+    RID_CATEGORY_BRACKETS,
+    RID_CATEGORY_FORMATS,
+    RID_CATEGORY_OTHERS,
+    RID_CATEGORY_EXAMPLES,
+};
+
+template <size_t N>
+constexpr std::pair<const SmElementDescr*, size_t> asPair(const SmElementDescr (&category)[N])
+{
+    return { category, N };
+}
+
+const std::vector<std::pair<const SmElementDescr*, size_t>> s_a5CategoryDescriptions{
+    { asPair(s_a5UnaryBinaryOperatorsList) },
+    { asPair(s_a5RelationsList) },
+    { asPair(s_a5SetOperationsList) },
+    { asPair(s_a5FunctionsList) },
+    { asPair(s_a5OperatorsList) },
+    { asPair(s_a5AttributesList) },
+    { asPair(s_a5BracketsList) },
+    { asPair(s_a5FormatsList) },
+    { asPair(s_a5OthersList) },
+    { asPair(s_a5ExamplesList) },
+};
+
+} // namespace
+
+// static
+const std::vector<TranslateId>& SmElementsControl::categories()
+{
+    return s_a5Categories;
+}
+
+struct ElementData
+{
+    OUString maElementSource;
+    OUString maHelpText;
+    ElementData(const OUString& aElementSource, const OUString& aHelpText)
+        : maElementSource(aElementSource)
+        , maHelpText(aHelpText)
+    {
+    }
+};
+
+SmElementsControl::SmElementsControl(std::unique_ptr<weld::IconView> pIconView)
+    : mpDocShell(new SmDocShell(SfxModelFlags::EMBEDDED_OBJECT))
+    , mnCurrentSetIndex(-1)
+    , m_nSmSyntaxVersion(SM_MOD()->GetConfig()->GetDefaultSmSyntaxVersion())
+    , mpIconView(std::move(pIconView))
+{
+    maParser.reset(starmathdatabase::GetVersionSmParser(m_nSmSyntaxVersion));
+    maParser->SetImportSymbolNames(true);
+
+    mpIconView->connect_query_tooltip(LINK(this, SmElementsControl, QueryTooltipHandler));
+    mpIconView->connect_item_activated(LINK(this, SmElementsControl, ElementActivatedHandler));
+}
+
+SmElementsControl::~SmElementsControl()
+{
+    mpDocShell->DoClose();
+}
+
+Color SmElementsControl::GetTextColor()
+{
+    const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();
+    return rStyleSettings.GetFieldTextColor();
+}
+
+Color SmElementsControl::GetControlBackground()
+{
+    const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();
+    return rStyleSettings.GetFieldColor();
+}
+
+namespace
+{
+    // SmTmpDevice::GetTextColor assumes a fg/bg of svtools::FONTCOLOR/svtools::DOCCOLOR
+    // here replace COL_AUTO with the desired fg color, alternatively could add something
+    // to SmTmpDevice to override its defaults
+    class AutoColorVisitor : public SmDefaultingVisitor
+    {
+    private:
+        Color m_aAutoColor;
+    public:
+        AutoColorVisitor(SmNode* pNode, Color aAutoColor)
+            : m_aAutoColor(aAutoColor)
+        {
+            DefaultVisit(pNode);
+        }
+        virtual void DefaultVisit(SmNode* pNode) override
+        {
+            if (pNode->GetFont().GetColor() == COL_AUTO)
+                pNode->GetFont().SetColor(m_aAutoColor);
+            size_t nNodes = pNode->GetNumSubNodes();
+            for (size_t i = 0; i < nNodes; ++i)
+            {
+                SmNode* pChild = pNode->GetSubNode(i);
+                if (!pChild)
+                    continue;
+                DefaultVisit(pChild);
+            }
+        }
+    };
+}
+
+void SmElementsControl::addElement(const OUString& aElementVisual, const OUString& aElementSource, const OUString& aHelpText)
+{
+    std::unique_ptr<SmNode> pNode = maParser->ParseExpression(aElementVisual);
+    ScopedVclPtr<VirtualDevice> pDevice(mpIconView->create_virtual_device());
+    pDevice->SetMapMode(MapMode(SmMapUnit()));
+    pDevice->SetDrawMode(DrawModeFlags::Default);
+    pDevice->SetLayoutMode(vcl::text::ComplexTextLayoutFlags::Default);
+    pDevice->SetDigitLanguage(LANGUAGE_ENGLISH);
+    pDevice->EnableRTL(false);
+
+    pDevice->SetBackground(GetControlBackground());
+    pDevice->SetTextColor(GetTextColor());
+
+    pNode->Prepare(maFormat, *mpDocShell, 0);
+    pNode->SetSize(Fraction(10,8));
+    pNode->Arrange(*pDevice, maFormat);
+
+    AutoColorVisitor(pNode.get(), GetTextColor());
+
+    Size aSize = pDevice->LogicToPixel(Size(pNode->GetWidth(), pNode->GetHeight()));
+    aSize.extendBy(10, 0); // Add 5 pixels from both sides to accommodate extending parts of italics
+    pDevice->SetOutputSizePixel(aSize);
+    SmDrawingVisitor(*pDevice, pDevice->PixelToLogic(Point(5, 0)), pNode.get(), maFormat);
+
+    maItemDatas.push_back(std::make_unique<ElementData>(aElementSource, aHelpText));
+    const OUString aId(weld::toId(maItemDatas.back().get()));
+    mpIconView->insert(-1, nullptr, &aId, pDevice, nullptr);
+    if (mpIconView->get_item_width() < aSize.Width())
+        mpIconView->set_item_width(aSize.Width());
+}
+
+OUString SmElementsControl::GetElementSource(const OUString& itemId)
+{
+    return weld::fromId<ElementData*>(itemId)->maElementSource;
+}
+
+OUString SmElementsControl::GetElementHelpText(const OUString& itemId)
+{
+    return weld::fromId<ElementData*>(itemId)->maHelpText;
+}
+
+void SmElementsControl::setElementSetIndex(int nSetIndex)
+{
+    if (mnCurrentSetIndex == nSetIndex)
+        return;
+    mnCurrentSetIndex = nSetIndex;
+    build();
+}
+
+void SmElementsControl::addElements(int nCategory)
+{
+    mpIconView->freeze();
+    mpIconView->clear();
+    mpIconView->set_item_width(0);
+    maItemDatas.clear();
+
+    assert(nCategory >= 0 && o3tl::make_unsigned(nCategory) < s_a5CategoryDescriptions.size());
+
+    const auto& [aElementsArray, aElementsArraySize] = s_a5CategoryDescriptions[nCategory];
+
+    for (size_t i = 0; i < aElementsArraySize; i++)
+    {
+        const auto& [element, elementHelp, elementVisual, visualTranslatable] = aElementsArray[i];
+        if (element.empty())
+        {
+            mpIconView->append_separator({});
+        }
+        else
+        {
+            OUString aElement(element);
+            OUString aVisual(elementVisual.empty() ? aElement : OUString(elementVisual));
+            if (visualTranslatable)
+                aVisual = aVisual.replaceFirst("$1", SmResId(visualTranslatable));
+            OUString aHelp(elementHelp ? SmResId(elementHelp) : OUString());
+            addElement(aVisual, aElement, aHelp);
+        }
+    }
+
+    mpIconView->set_size_request(0, 0);
+    mpIconView->thaw();
+}
+
+void SmElementsControl::build()
+{
+    switch(m_nSmSyntaxVersion)
+    {
+        case 5:
+            addElements(mnCurrentSetIndex);
+            break;
+        case 6:
+        default:
+            throw std::range_error("parser version limit");
+    }
+}
+
+void SmElementsControl::setSmSyntaxVersion(sal_Int16 nSmSyntaxVersion)
+{
+    if( m_nSmSyntaxVersion != nSmSyntaxVersion )
+    {
+        m_nSmSyntaxVersion = nSmSyntaxVersion;
+        maParser.reset(starmathdatabase::GetVersionSmParser(nSmSyntaxVersion));
+        maParser->SetImportSymbolNames(true);
+        // Be careful, we need the parser in order to build !!!
+        build();
+    }
+}
+
+IMPL_LINK(SmElementsControl, QueryTooltipHandler, const weld::TreeIter&, iter, OUString)
+{
+    if (const OUString id = mpIconView->get_id(iter); !id.isEmpty())
+        return GetElementHelpText(id);
+    return {};
+}
+
+IMPL_LINK_NOARG(SmElementsControl, ElementActivatedHandler, weld::IconView&, bool)
+{
+    if (const OUString id = mpIconView->get_selected_id(); !id.isEmpty())
+        maSelectHdlLink.Call(GetElementSource(id));
+
+    mpIconView->unselect_all();
+    return true;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/SmElementsPanel.cxx b/starmath/source/SmElementsPanel.cxx
new file mode 100644
index 0000000000..3abc025555
--- /dev/null
+++ b/starmath/source/SmElementsPanel.cxx
@@ -0,0 +1,102 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <comphelper/lok.hxx>
+#include <sfx2/dispatch.hxx>
+#include <sfx2/lokcomponenthelpers.hxx>
+#include <svl/stritem.hxx>
+#include <svl/itemset.hxx>
+
+#include "SmElementsPanel.hxx"
+#include <starmath.hrc>
+#include <smmod.hxx>
+#include <strings.hrc>
+#include <view.hxx>
+
+namespace sm::sidebar
+{
+// static
+std::unique_ptr<PanelLayout> SmElementsPanel::Create(weld::Widget& rParent,
+                                                     const SfxBindings& rBindings)
+{
+    return std::make_unique<SmElementsPanel>(rParent, rBindings);
+}
+
+SmElementsPanel::SmElementsPanel(weld::Widget& rParent, const SfxBindings& rBindings)
+    : PanelLayout(&rParent, "MathElementsPanel", "modules/smath/ui/sidebarelements_math.ui")
+    , mrBindings(rBindings)
+    , mxCategoryList(m_xBuilder->weld_combo_box("categorylist"))
+    , mxElementsControl(std::make_unique<SmElementsControl>(m_xBuilder->weld_icon_view("elements")))
+{
+    for (const auto& rCategoryId : SmElementsControl::categories())
+        mxCategoryList->append_text(SmResId(rCategoryId));
+
+    mxCategoryList->set_size_request(-1, -1);
+
+    mxCategoryList->connect_changed(LINK(this, SmElementsPanel, CategorySelectedHandle));
+    mxCategoryList->set_active(0);
+
+    mxElementsControl->setElementSetIndex(0);
+    mxElementsControl->SetSelectHdl(LINK(this, SmElementsPanel, ElementClickHandler));
+}
+
+SmElementsPanel::~SmElementsPanel()
+{
+    mxElementsControl.reset();
+    mxCategoryList.reset();
+}
+
+IMPL_LINK(SmElementsPanel, CategorySelectedHandle, weld::ComboBox&, rList, void)
+{
+    const int nActive = rList.get_active();
+    if (nActive == -1)
+        return;
+    mxElementsControl->setElementSetIndex(nActive);
+    if (SmViewShell* pViewSh = GetView())
+        mxElementsControl->setSmSyntaxVersion(pViewSh->GetDoc()->GetSmSyntaxVersion());
+}
+
+IMPL_LINK(SmElementsPanel, ElementClickHandler, OUString, ElementSource, void)
+{
+    if (SmViewShell* pViewSh = GetView())
+    {
+        SfxStringItem aInsertCommand(SID_INSERTCOMMANDTEXT, ElementSource);
+        pViewSh->GetViewFrame().GetDispatcher()->ExecuteList(
+            SID_INSERTCOMMANDTEXT, SfxCallMode::RECORD, { &aInsertCommand });
+    }
+}
+
+SmViewShell* SmElementsPanel::GetView() const
+{
+    SfxViewShell* pView = mrBindings.GetDispatcher()->GetFrame()->GetViewShell();
+    SmViewShell* pSmViewShell = dynamic_cast<SmViewShell*>(pView);
+    if (!pSmViewShell && comphelper::LibreOfficeKit::isActive())
+    {
+        auto* pWindow = static_cast<SmGraphicWindow*>(LokStarMathHelper(pView).GetGraphicWindow());
+        if (pWindow)
+            pSmViewShell = &pWindow->GetGraphicWidget().GetView();
+    }
+    return pSmViewShell;
+}
+
+} // end of namespace sm::sidebar
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/starmath/source/SmElementsPanel.hxx b/starmath/source/SmElementsPanel.hxx
new file mode 100644
index 0000000000..d7e4609a42
--- /dev/null
+++ b/starmath/source/SmElementsPanel.hxx
@@ -0,0 +1,56 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <sal/config.h>
+
+#include <sfx2/bindings.hxx>
+#include <sfx2/sidebar/PanelLayout.hxx>
+#include <vcl/customweld.hxx>
+#include <vcl/EnumContext.hxx>
+
+#include <ElementsDockingWindow.hxx>
+
+#include <memory>
+
+namespace sm::sidebar
+{
+class SmElementsPanel : public PanelLayout
+{
+public:
+    static std::unique_ptr<PanelLayout> Create(weld::Widget& rParent, const SfxBindings& rBindings);
+    SmElementsPanel(weld::Widget& rParent, const SfxBindings& rBindings);
+    ~SmElementsPanel();
+
+private:
+    DECL_LINK(CategorySelectedHandle, weld::ComboBox&, void);
+    DECL_LINK(ElementClickHandler, OUString, void);
+
+    SmViewShell* GetView() const;
+
+    const SfxBindings& mrBindings;
+
+    std::unique_ptr<weld::ComboBox> mxCategoryList;
+    std::unique_ptr<SmElementsControl> mxElementsControl;
+};
+
+} // end of namespace sm::sidebar
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/starmath/source/SmPanelFactory.cxx b/starmath/source/SmPanelFactory.cxx
new file mode 100644
index 0000000000..df35dcadff
--- /dev/null
+++ b/starmath/source/SmPanelFactory.cxx
@@ -0,0 +1,136 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
+#include <com/sun/star/ui/XUIElementFactory.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+
+#include <cppuhelper/exc_hlp.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <comphelper/namedvaluecollection.hxx>
+#include <sfx2/sidebar/SidebarPanelBase.hxx>
+#include <vcl/weldutils.hxx>
+
+#include "SmElementsPanel.hxx"
+#include "SmPropertiesPanel.hxx"
+
+namespace
+{
+typedef comphelper::WeakComponentImplHelper<css::ui::XUIElementFactory, css::lang::XServiceInfo>
+    PanelFactoryInterfaceBase;
+
+class SmPanelFactory final : public PanelFactoryInterfaceBase
+{
+public:
+    SmPanelFactory() = default;
+
+    SmPanelFactory(const SmPanelFactory&) = delete;
+    const SmPanelFactory& operator=(const SmPanelFactory&) = delete;
+
+    // XUIElementFactory
+    css::uno::Reference<css::ui::XUIElement> SAL_CALL
+    createUIElement(const OUString& ResourceURL,
+                    const css::uno::Sequence<css::beans::PropertyValue>& Arguments) override;
+
+    // XServiceInfo
+    OUString SAL_CALL getImplementationName() override;
+    sal_Bool SAL_CALL supportsService(OUString const& ServiceName) override;
+    css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
+};
+
+css::uno::Reference<css::ui::XUIElement> SAL_CALL SmPanelFactory::createUIElement(
+    const OUString& ResourceURL, const css::uno::Sequence<css::beans::PropertyValue>& Arguments)
+{
+    try
+    {
+        const comphelper::NamedValueCollection aArguments(Arguments);
+        auto xFrame(aArguments.getOrDefault("Frame", css::uno::Reference<css::frame::XFrame>()));
+        auto xParentWindow(
+            aArguments.getOrDefault("ParentWindow", css::uno::Reference<css::awt::XWindow>()));
+        const sal_uInt64 nBindingsValue(aArguments.getOrDefault("SfxBindings", sal_uInt64(0)));
+        SfxBindings* pBindings = reinterpret_cast<SfxBindings*>(nBindingsValue);
+
+        weld::Widget* pParent(nullptr);
+        if (auto pTunnel = dynamic_cast<weld::TransportAsXWindow*>(xParentWindow.get()))
+            pParent = pTunnel->getWidget();
+
+        if (!pParent)
+            throw css::uno::RuntimeException("SmPanelFactory::createUIElement: no ParentWindow");
+        if (!xFrame)
+            throw css::uno::RuntimeException("SmPanelFactory::createUIElement: no Frame");
+        if (!pBindings)
+            throw css::uno::RuntimeException("SmPanelFactory::createUIElement: no SfxBindings");
+
+        std::unique_ptr<PanelLayout> pPanel;
+        css::ui::LayoutSize aLayoutSize{ -1, -1, -1 };
+        if (ResourceURL.endsWith("/MathPropertiesPanel"))
+        {
+            pPanel = sm::sidebar::SmPropertiesPanel::Create(*pParent, xFrame);
+        }
+        else if (ResourceURL.endsWith("/MathElementsPanel"))
+        {
+            pPanel = sm::sidebar::SmElementsPanel::Create(*pParent, *pBindings);
+            aLayoutSize = { 300, -1, -1 };
+        }
+
+        if (pPanel)
+            return sfx2::sidebar::SidebarPanelBase::Create(ResourceURL, xFrame, std::move(pPanel),
+                                                           aLayoutSize);
+    }
+    catch (const css::uno::RuntimeException&)
+    {
+        throw;
+    }
+    catch (const css::uno::Exception&)
+    {
+        css::uno::Any anyEx = cppu::getCaughtException();
+        throw css::lang::WrappedTargetRuntimeException("SmPanelFactory::createUIElement exception",
+                                                       nullptr, anyEx);
+    }
+
+    return {};
+}
+
+OUString SmPanelFactory::getImplementationName()
+{
+    return "org.libreoffice.comp.Math.sidebar.SmPanelFactory";
+}
+
+sal_Bool SmPanelFactory::supportsService(OUString const& ServiceName)
+{
+    return cppu::supportsService(this, ServiceName);
+}
+
+css::uno::Sequence<OUString> SmPanelFactory::getSupportedServiceNames()
+{
+    return { "com.sun.star.ui.UIElementFactory" };
+}
+
+} // end of unnamed namespace
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+org_libreoffice_comp_Math_sidebar_SmPanelFactory(css::uno::XComponentContext*,
+                                                 css::uno::Sequence<css::uno::Any> const&)
+{
+    return cppu::acquire(new SmPanelFactory);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/starmath/source/SmPropertiesPanel.cxx b/starmath/source/SmPropertiesPanel.cxx
new file mode 100644
index 0000000000..48f2c6897c
--- /dev/null
+++ b/starmath/source/SmPropertiesPanel.cxx
@@ -0,0 +1,92 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <com/sun/star/beans/PropertyValue.hpp>
+#include <com/sun/star/frame/theUICommandDescription.hpp>
+#include <com/sun/star/uno/Sequence.hxx>
+
+#include <comphelper/dispatchcommand.hxx>
+#include <comphelper/processfactory.hxx>
+#include <comphelper/sequenceashashmap.hxx>
+
+#include "SmPropertiesPanel.hxx"
+
+namespace sm::sidebar
+{
+// static
+std::unique_ptr<PanelLayout>
+SmPropertiesPanel::Create(weld::Widget& rParent,
+                          const css::uno::Reference<css::frame::XFrame>& xFrame)
+{
+    return std::make_unique<SmPropertiesPanel>(rParent, xFrame);
+}
+
+SmPropertiesPanel::SmPropertiesPanel(weld::Widget& rParent,
+                                     const css::uno::Reference<css::frame::XFrame>& xFrame)
+    : PanelLayout(&rParent, "MathPropertiesPanel", "modules/smath/ui/sidebarproperties_math.ui")
+    , mxFrame(xFrame)
+    , mpFormatFontsButton(m_xBuilder->weld_button("btnFormatFonts"))
+    , mpFormatFontSizeButton(m_xBuilder->weld_button("btnFormatFontSize"))
+    , mpFormatSpacingButton(m_xBuilder->weld_button("btnFormatSpacing"))
+    , mpFormatAlignmentButton(m_xBuilder->weld_button("btnFormatAlignment"))
+    , maButtonCommands{ { mpFormatFontsButton.get(), ".uno:ChangeFont" },
+                        { mpFormatFontSizeButton.get(), ".uno:ChangeFontSize" },
+                        { mpFormatSpacingButton.get(), ".uno:ChangeDistance" },
+                        { mpFormatAlignmentButton.get(), ".uno:ChangeAlignment" } }
+{
+    // Set localized labels to the buttons
+    auto xConfs
+        = css::frame::theUICommandDescription::get(comphelper::getProcessComponentContext());
+    if (css::uno::Reference<css::container::XNameAccess> xConf{
+            xConfs->getByName("com.sun.star.formula.FormulaProperties"), css::uno::UNO_QUERY })
+    {
+        for (const auto & [ button, command ] : maButtonCommands)
+        {
+            comphelper::SequenceAsHashMap props(xConf->getByName(command));
+            button->set_label(props.getUnpackedValueOrDefault("Name", button->get_label()));
+        }
+    }
+
+    mpFormatFontsButton->connect_clicked(LINK(this, SmPropertiesPanel, ButtonClickHandler));
+    mpFormatFontSizeButton->connect_clicked(LINK(this, SmPropertiesPanel, ButtonClickHandler));
+    mpFormatSpacingButton->connect_clicked(LINK(this, SmPropertiesPanel, ButtonClickHandler));
+    mpFormatAlignmentButton->connect_clicked(LINK(this, SmPropertiesPanel, ButtonClickHandler));
+}
+
+SmPropertiesPanel::~SmPropertiesPanel()
+{
+    maButtonCommands.clear();
+
+    mpFormatFontsButton.reset();
+    mpFormatFontSizeButton.reset();
+    mpFormatSpacingButton.reset();
+    mpFormatAlignmentButton.reset();
+}
+
+IMPL_LINK(SmPropertiesPanel, ButtonClickHandler, weld::Button&, rButton, void)
+{
+    if (OUString command = maButtonCommands[&rButton]; !command.isEmpty())
+        comphelper::dispatchCommand(command, mxFrame, {});
+}
+
+} // end of namespace sm::sidebar
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/starmath/source/SmPropertiesPanel.hxx b/starmath/source/SmPropertiesPanel.hxx
new file mode 100644
index 0000000000..f19316e3fa
--- /dev/null
+++ b/starmath/source/SmPropertiesPanel.hxx
@@ -0,0 +1,54 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <sal/config.h>
+
+#include <sfx2/sidebar/PanelLayout.hxx>
+
+#include <map>
+#include <memory>
+
+namespace sm::sidebar
+{
+class SmPropertiesPanel : public PanelLayout
+{
+public:
+    static std::unique_ptr<PanelLayout>
+    Create(weld::Widget& rParent, const css::uno::Reference<css::frame::XFrame>& xFrame);
+    SmPropertiesPanel(weld::Widget& rParent, const css::uno::Reference<css::frame::XFrame>& xFrame);
+    ~SmPropertiesPanel();
+
+private:
+    DECL_LINK(ButtonClickHandler, weld::Button&, void);
+
+    css::uno::Reference<css::frame::XFrame> mxFrame;
+
+    std::unique_ptr<weld::Button> mpFormatFontsButton;
+    std::unique_ptr<weld::Button> mpFormatFontSizeButton;
+    std::unique_ptr<weld::Button> mpFormatSpacingButton;
+    std::unique_ptr<weld::Button> mpFormatAlignmentButton;
+
+    std::map<weld::Button*, OUString> maButtonCommands;
+};
+
+} // end of namespace sm::sidebar
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/starmath/source/accessibility.cxx b/starmath/source/accessibility.cxx
new file mode 100644
index 0000000000..055cd0f66e
--- /dev/null
+++ b/starmath/source/accessibility.cxx
@@ -0,0 +1,745 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <com/sun/star/accessibility/AccessibleRole.hpp>
+#include <com/sun/star/accessibility/AccessibleStateType.hpp>
+#include <com/sun/star/accessibility/AccessibleTextType.hpp>
+#include <com/sun/star/accessibility/AccessibleEventObject.hpp>
+#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
+#include <unotools/accessiblerelationsethelper.hxx>
+
+#include <com/sun/star/datatransfer/clipboard/XClipboard.hpp>
+#include <com/sun/star/datatransfer/clipboard/XFlushableClipboard.hpp>
+#include <comphelper/accessibleeventnotifier.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <osl/diagnose.h>
+#include <comphelper/diagnose_ex.hxx>
+#include <vcl/kernarray.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/unohelp2.hxx>
+#include <vcl/settings.hxx>
+
+#include <tools/gen.hxx>
+
+#include <editeng/editobj.hxx>
+
+
+#include "accessibility.hxx"
+#include <document.hxx>
+#include <view.hxx>
+#include <strings.hrc>
+#include <smmod.hxx>
+
+using namespace com::sun::star;
+using namespace com::sun::star::lang;
+using namespace com::sun::star::uno;
+using namespace com::sun::star::accessibility;
+
+SmGraphicAccessible::SmGraphicAccessible(SmGraphicWidget *pGraphicWin) :
+    aAccName            (SmResId(RID_DOCUMENTSTR)),
+    nClientId           (0),
+    pWin                (pGraphicWin)
+{
+    OSL_ENSURE( pWin, "SmGraphicAccessible: window missing" );
+}
+
+SmGraphicAccessible::~SmGraphicAccessible()
+{
+}
+
+SmDocShell * SmGraphicAccessible::GetDoc_Impl()
+{
+    SmViewShell *pView = pWin ? &pWin->GetView() : nullptr;
+    return pView ? pView->GetDoc() : nullptr;
+}
+
+OUString SmGraphicAccessible::GetAccessibleText_Impl()
+{
+    OUString aTxt;
+    SmDocShell *pDoc = GetDoc_Impl();
+    if (pDoc)
+        aTxt = pDoc->GetAccessibleText();
+    return aTxt;
+}
+
+void SmGraphicAccessible::ClearWin()
+{
+    pWin = nullptr;   // implicitly results in AccessibleStateType::DEFUNC set
+
+    if ( nClientId )
+    {
+        comphelper::AccessibleEventNotifier::revokeClientNotifyDisposing( std::exchange(nClientId, 0), *this );
+    }
+}
+
+void SmGraphicAccessible::LaunchEvent(
+        const sal_Int16 nAccessibleEventId,
+        const uno::Any &rOldVal,
+        const uno::Any &rNewVal)
+{
+    AccessibleEventObject aEvt;
+    aEvt.Source     = static_cast<XAccessible *>(this);
+    aEvt.EventId    = nAccessibleEventId;
+    aEvt.OldValue   = rOldVal;
+    aEvt.NewValue   = rNewVal ;
+
+    // pass event on to event-listener's
+    if (nClientId)
+        comphelper::AccessibleEventNotifier::addEvent( nClientId, aEvt );
+}
+
+uno::Reference< XAccessibleContext > SAL_CALL SmGraphicAccessible::getAccessibleContext()
+{
+    return this;
+}
+
+sal_Bool SAL_CALL SmGraphicAccessible::containsPoint( const awt::Point& aPoint )
+{
+    //! the arguments coordinates are relative to the current window !
+    //! Thus the top-left point is (0, 0)
+
+    SolarMutexGuard aGuard;
+    if (!pWin)
+        throw RuntimeException();
+
+    Size aSz( pWin->GetOutputSizePixel() );
+    return  aPoint.X >= 0  &&  aPoint.Y >= 0  &&
+            aPoint.X < aSz.Width()  &&  aPoint.Y < aSz.Height();
+}
+
+uno::Reference< XAccessible > SAL_CALL SmGraphicAccessible::getAccessibleAtPoint(
+        const awt::Point& aPoint )
+{
+    SolarMutexGuard aGuard;
+    XAccessible *pRes = nullptr;
+    if (containsPoint( aPoint ))
+        pRes = this;
+    return pRes;
+}
+
+awt::Rectangle SAL_CALL SmGraphicAccessible::getBounds()
+{
+    SolarMutexGuard aGuard;
+    if (!pWin)
+        throw RuntimeException();
+
+    const Point aOutPos;
+    const Size aOutSize(pWin->GetOutputSizePixel());
+    css::awt::Rectangle aRet;
+
+    aRet.X = aOutPos.X();
+    aRet.Y = aOutPos.Y();
+    aRet.Width = aOutSize.Width();
+    aRet.Height = aOutSize.Height();
+
+    return aRet;
+}
+
+awt::Point SAL_CALL SmGraphicAccessible::getLocation()
+{
+    SolarMutexGuard aGuard;
+    if (!pWin)
+        throw RuntimeException();
+
+    const css::awt::Rectangle aRect(getBounds());
+    css::awt::Point aRet;
+
+    aRet.X = aRect.X;
+    aRet.Y = aRect.Y;
+
+    return aRet;
+}
+
+awt::Point SAL_CALL SmGraphicAccessible::getLocationOnScreen()
+{
+    SolarMutexGuard aGuard;
+    if (!pWin)
+        throw RuntimeException();
+
+    css::awt::Point aScreenLoc(0, 0);
+
+    css::uno::Reference<css::accessibility::XAccessible> xParent(getAccessibleParent());
+    if (xParent)
+    {
+        css::uno::Reference<css::accessibility::XAccessibleContext> xParentContext(
+            xParent->getAccessibleContext());
+        css::uno::Reference<css::accessibility::XAccessibleComponent> xParentComponent(
+            xParentContext, css::uno::UNO_QUERY);
+        OSL_ENSURE(xParentComponent.is(),
+                   "WeldEditAccessible::getLocationOnScreen: no parent component!");
+        if (xParentComponent.is())
+        {
+            css::awt::Point aParentScreenLoc(xParentComponent->getLocationOnScreen());
+            css::awt::Point aOwnRelativeLoc(getLocation());
+            aScreenLoc.X = aParentScreenLoc.X + aOwnRelativeLoc.X;
+            aScreenLoc.Y = aParentScreenLoc.Y + aOwnRelativeLoc.Y;
+        }
+    }
+
+    return aScreenLoc;
+}
+
+awt::Size SAL_CALL SmGraphicAccessible::getSize()
+{
+    SolarMutexGuard aGuard;
+    if (!pWin)
+        throw RuntimeException();
+    Size aSz(pWin->GetOutputSizePixel());
+    return css::awt::Size(aSz.Width(), aSz.Height());
+}
+
+void SAL_CALL SmGraphicAccessible::grabFocus()
+{
+    SolarMutexGuard aGuard;
+    if (!pWin)
+        throw RuntimeException();
+
+    pWin->GrabFocus();
+}
+
+sal_Int32 SAL_CALL SmGraphicAccessible::getForeground()
+{
+    SolarMutexGuard aGuard;
+    if (!pWin)
+        throw RuntimeException();
+
+    weld::DrawingArea* pDrawingArea = pWin->GetDrawingArea();
+    OutputDevice& rDevice = pDrawingArea->get_ref_device();
+
+    return static_cast<sal_Int32>(rDevice.GetTextColor());
+}
+
+sal_Int32 SAL_CALL SmGraphicAccessible::getBackground()
+{
+    SolarMutexGuard aGuard;
+    if (!pWin)
+        throw RuntimeException();
+
+    weld::DrawingArea* pDrawingArea = pWin->GetDrawingArea();
+    OutputDevice& rDevice = pDrawingArea->get_ref_device();
+
+    Wallpaper aWall(rDevice.GetBackground());
+    Color nCol;
+    if (aWall.IsBitmap() || aWall.IsGradient())
+        nCol = Application::GetSettings().GetStyleSettings().GetWindowColor();
+    else
+        nCol = aWall.GetColor();
+    return static_cast<sal_Int32>(nCol);
+}
+
+sal_Int64 SAL_CALL SmGraphicAccessible::getAccessibleChildCount()
+{
+    return 0;
+}
+
+Reference< XAccessible > SAL_CALL SmGraphicAccessible::getAccessibleChild(
+        sal_Int64 /*i*/ )
+{
+    throw IndexOutOfBoundsException();  // there is no child...
+}
+
+Reference< XAccessible > SAL_CALL SmGraphicAccessible::getAccessibleParent()
+{
+    SolarMutexGuard aGuard;
+    if (!pWin)
+        throw RuntimeException();
+
+    return pWin->GetDrawingArea()->get_accessible_parent();
+}
+
+sal_Int64 SAL_CALL SmGraphicAccessible::getAccessibleIndexInParent()
+{
+    SolarMutexGuard aGuard;
+
+    // -1 for child not found/no parent (according to specification)
+    sal_Int64 nRet = -1;
+
+    css::uno::Reference<css::accessibility::XAccessible> xParent(getAccessibleParent());
+    if (!xParent)
+        return nRet;
+
+    try
+    {
+        css::uno::Reference<css::accessibility::XAccessibleContext> xParentContext(
+            xParent->getAccessibleContext());
+
+        //  iterate over parent's children and search for this object
+        if (xParentContext.is())
+        {
+            sal_Int64 nChildCount = xParentContext->getAccessibleChildCount();
+            for (sal_Int64 nChild = 0; (nChild < nChildCount) && (-1 == nRet); ++nChild)
+            {
+                css::uno::Reference<css::accessibility::XAccessible> xChild(
+                    xParentContext->getAccessibleChild(nChild));
+                if (xChild.get() == this)
+                    nRet = nChild;
+            }
+        }
+    }
+    catch (const css::uno::Exception&)
+    {
+        TOOLS_WARN_EXCEPTION("svx", "WeldEditAccessible::getAccessibleIndexInParent");
+    }
+
+    return nRet;
+}
+
+sal_Int16 SAL_CALL SmGraphicAccessible::getAccessibleRole()
+{
+    return AccessibleRole::DOCUMENT;
+}
+
+OUString SAL_CALL SmGraphicAccessible::getAccessibleDescription()
+{
+    SolarMutexGuard aGuard;
+    SmDocShell *pDoc = GetDoc_Impl();
+    return pDoc ? pDoc->GetText() : OUString();
+}
+
+OUString SAL_CALL SmGraphicAccessible::getAccessibleName()
+{
+    SolarMutexGuard aGuard;
+    return aAccName;
+}
+
+Reference< XAccessibleRelationSet > SAL_CALL SmGraphicAccessible::getAccessibleRelationSet()
+{
+    return new utl::AccessibleRelationSetHelper(); // empty relation set
+}
+
+sal_Int64 SAL_CALL SmGraphicAccessible::getAccessibleStateSet()
+{
+    SolarMutexGuard aGuard;
+    sal_Int64 nStateSet = 0;
+
+    if (!pWin)
+        nStateSet |= AccessibleStateType::DEFUNC;
+    else
+    {
+        nStateSet |= AccessibleStateType::ENABLED;
+        nStateSet |= AccessibleStateType::FOCUSABLE;
+        if (pWin->HasFocus())
+            nStateSet |= AccessibleStateType::FOCUSED;
+        if (pWin->IsActive())
+            nStateSet |= AccessibleStateType::ACTIVE;
+        if (pWin->IsVisible())
+            nStateSet |= AccessibleStateType::SHOWING;
+        if (pWin->IsReallyVisible())
+            nStateSet |= AccessibleStateType::VISIBLE;
+        weld::DrawingArea* pDrawingArea = pWin->GetDrawingArea();
+        OutputDevice& rDevice = pDrawingArea->get_ref_device();
+        if (COL_TRANSPARENT != rDevice.GetBackground().GetColor())
+            nStateSet |= AccessibleStateType::OPAQUE;
+    }
+
+    return nStateSet;
+}
+
+Locale SAL_CALL SmGraphicAccessible::getLocale()
+{
+    SolarMutexGuard aGuard;
+    // should be the document language...
+    // We use the language of the localized symbol names here.
+    return Application::GetSettings().GetUILanguageTag().getLocale();
+}
+
+
+void SAL_CALL SmGraphicAccessible::addAccessibleEventListener(
+        const Reference< XAccessibleEventListener >& xListener )
+{
+    if (xListener.is())
+    {
+        SolarMutexGuard aGuard;
+        if (pWin)
+        {
+            if (!nClientId)
+                nClientId = comphelper::AccessibleEventNotifier::registerClient( );
+            comphelper::AccessibleEventNotifier::addEventListener( nClientId, xListener );
+        }
+    }
+}
+
+void SAL_CALL SmGraphicAccessible::removeAccessibleEventListener(
+        const Reference< XAccessibleEventListener >& xListener )
+{
+    if (!(xListener.is() && nClientId))
+        return;
+
+    SolarMutexGuard aGuard;
+    sal_Int32 nListenerCount = comphelper::AccessibleEventNotifier::removeEventListener( nClientId, xListener );
+    if ( !nListenerCount )
+    {
+        // no listeners anymore
+        // -> revoke ourself. This may lead to the notifier thread dying (if we were the last client),
+        // and at least to us not firing any events anymore, in case somebody calls
+        // NotifyAccessibleEvent, again
+        comphelper::AccessibleEventNotifier::revokeClient( std::exchange(nClientId, 0) );
+    }
+}
+
+sal_Int32 SAL_CALL SmGraphicAccessible::getCaretPosition()
+{
+    return 0;
+}
+
+sal_Bool SAL_CALL SmGraphicAccessible::setCaretPosition( sal_Int32 nIndex )
+{
+    SolarMutexGuard aGuard;
+    OUString aTxt( GetAccessibleText_Impl() );
+    if (nIndex >= aTxt.getLength())
+        throw IndexOutOfBoundsException();
+    return false;
+}
+
+sal_Unicode SAL_CALL SmGraphicAccessible::getCharacter( sal_Int32 nIndex )
+{
+    SolarMutexGuard aGuard;
+    OUString aTxt( GetAccessibleText_Impl() );
+    if (nIndex >= aTxt.getLength())
+        throw IndexOutOfBoundsException();
+    return aTxt[nIndex];
+}
+
+Sequence< beans::PropertyValue > SAL_CALL SmGraphicAccessible::getCharacterAttributes(
+        sal_Int32 nIndex,
+        const uno::Sequence< OUString > & /*rRequestedAttributes*/ )
+{
+    SolarMutexGuard aGuard;
+    sal_Int32 nLen = GetAccessibleText_Impl().getLength();
+    if (0 > nIndex  ||  nIndex >= nLen)
+        throw IndexOutOfBoundsException();
+    return Sequence< beans::PropertyValue >();
+}
+
+awt::Rectangle SAL_CALL SmGraphicAccessible::getCharacterBounds( sal_Int32 nIndex )
+{
+    SolarMutexGuard aGuard;
+
+    awt::Rectangle aRes;
+
+    if (!pWin)
+        throw RuntimeException();
+
+    // get accessible text
+    SmDocShell* pDoc  = pWin->GetView().GetDoc();
+    if (!pDoc)
+        throw RuntimeException();
+    OUString aTxt( GetAccessibleText_Impl() );
+    if (0 > nIndex  ||  nIndex > aTxt.getLength())   // aTxt.getLength() is valid
+        throw IndexOutOfBoundsException();
+
+    // find a reasonable rectangle for position aTxt.getLength().
+    bool bWasBehindText = (nIndex == aTxt.getLength());
+    if (bWasBehindText && nIndex)
+        --nIndex;
+
+    const SmNode *pTree = pDoc->GetFormulaTree();
+    const SmNode *pNode = pTree->FindNodeWithAccessibleIndex( nIndex );
+    //! pNode may be 0 if the index belongs to a char that was inserted
+    //! only for the accessible text!
+    if (pNode)
+    {
+        sal_Int32 nAccIndex = pNode->GetAccessibleIndex();
+        OSL_ENSURE( nAccIndex >= 0, "invalid accessible index" );
+        OSL_ENSURE( nIndex >= nAccIndex, "index out of range" );
+
+        OUStringBuffer aBuf;
+        pNode->GetAccessibleText(aBuf);
+        OUString aNodeText = aBuf.makeStringAndClear();
+        sal_Int32 nNodeIndex = nIndex - nAccIndex;
+        if (0 <= nNodeIndex  &&  nNodeIndex < aNodeText.getLength())
+        {
+            // get appropriate rectangle
+            Point aOffset(pNode->GetTopLeft() - pTree->GetTopLeft());
+            Point aTLPos (pWin->GetFormulaDrawPos() + aOffset);
+            Size  aSize (pNode->GetSize());
+
+            weld::DrawingArea* pDrawingArea = pWin->GetDrawingArea();
+            OutputDevice& rDevice = pDrawingArea->get_ref_device();
+
+            KernArray aXAry;
+            rDevice.SetFont( pNode->GetFont() );
+            rDevice.GetTextArray( aNodeText, &aXAry, 0, aNodeText.getLength() );
+            aTLPos.AdjustX(nNodeIndex > 0 ? aXAry[nNodeIndex - 1] : 0 );
+            aSize.setWidth( nNodeIndex > 0 ? aXAry[nNodeIndex] - aXAry[nNodeIndex - 1] : aXAry[nNodeIndex] );
+
+            aTLPos = rDevice.LogicToPixel( aTLPos );
+            aSize  = rDevice.LogicToPixel( aSize );
+            aRes.X = aTLPos.X();
+            aRes.Y = aTLPos.Y();
+            aRes.Width  = aSize.Width();
+            aRes.Height = aSize.Height();
+        }
+    }
+
+    // take rectangle from last character and move it to the right
+    if (bWasBehindText)
+        aRes.X += aRes.Width;
+
+    return aRes;
+}
+
+sal_Int32 SAL_CALL SmGraphicAccessible::getCharacterCount()
+{
+    SolarMutexGuard aGuard;
+    return GetAccessibleText_Impl().getLength();
+}
+
+sal_Int32 SAL_CALL SmGraphicAccessible::getIndexAtPoint( const awt::Point& aPoint )
+{
+    SolarMutexGuard aGuard;
+
+    sal_Int32 nRes = -1;
+    if (pWin)
+    {
+        const SmNode *pTree = pWin->GetView().GetDoc()->GetFormulaTree();
+        // can be NULL! e.g. if one clicks within the window already during loading of the
+        // document (before the parser even started)
+        if (!pTree)
+            return nRes;
+
+        weld::DrawingArea* pDrawingArea = pWin->GetDrawingArea();
+        OutputDevice& rDevice = pDrawingArea->get_ref_device();
+
+        // get position relative to formula draw position
+        Point  aPos( aPoint.X, aPoint.Y );
+        aPos = rDevice.PixelToLogic( aPos );
+        aPos -= pWin->GetFormulaDrawPos();
+
+        // if it was inside the formula then get the appropriate node
+        const SmNode *pNode = nullptr;
+        if (pTree->OrientedDist(aPos) <= 0)
+            pNode = pTree->FindRectClosestTo(aPos);
+
+        if (pNode)
+        {
+            // get appropriate rectangle
+            Point   aOffset( pNode->GetTopLeft() - pTree->GetTopLeft() );
+            Point   aTLPos ( aOffset );
+            Size  aSize( pNode->GetSize() );
+
+            tools::Rectangle aRect( aTLPos, aSize );
+            if (aRect.Contains( aPos ))
+            {
+                OSL_ENSURE( pNode->IsVisible(), "node is not a leaf" );
+                OUStringBuffer aBuf;
+                pNode->GetAccessibleText(aBuf);
+                OUString aTxt = aBuf.makeStringAndClear();
+                OSL_ENSURE( !aTxt.isEmpty(), "no accessible text available" );
+
+                tools::Long nNodeX = pNode->GetLeft();
+
+                KernArray aXAry;
+                rDevice.SetFont( pNode->GetFont() );
+                rDevice.GetTextArray( aTxt, &aXAry, 0, aTxt.getLength() );
+                for (sal_Int32 i = 0;  i < aTxt.getLength()  &&  nRes == -1;  ++i)
+                {
+                    if (aXAry[i] + nNodeX > aPos.X())
+                        nRes = i;
+                }
+                OSL_ENSURE( nRes >= 0  &&  nRes < aTxt.getLength(), "index out of range" );
+                OSL_ENSURE( pNode->GetAccessibleIndex() >= 0,
+                        "invalid accessible index" );
+
+                nRes = pNode->GetAccessibleIndex() + nRes;
+            }
+        }
+    }
+    return nRes;
+}
+
+OUString SAL_CALL SmGraphicAccessible::getSelectedText()
+{
+    return OUString();
+}
+
+sal_Int32 SAL_CALL SmGraphicAccessible::getSelectionStart()
+{
+    return -1;
+}
+
+sal_Int32 SAL_CALL SmGraphicAccessible::getSelectionEnd()
+{
+    return -1;
+}
+
+sal_Bool SAL_CALL SmGraphicAccessible::setSelection(
+        sal_Int32 nStartIndex,
+        sal_Int32 nEndIndex )
+{
+    SolarMutexGuard aGuard;
+    sal_Int32 nLen = GetAccessibleText_Impl().getLength();
+    if (0 > nStartIndex  ||  nStartIndex >= nLen ||
+        0 > nEndIndex    ||  nEndIndex   >= nLen)
+        throw IndexOutOfBoundsException();
+    return false;
+}
+
+OUString SAL_CALL SmGraphicAccessible::getText()
+{
+    SolarMutexGuard aGuard;
+    return GetAccessibleText_Impl();
+}
+
+OUString SAL_CALL SmGraphicAccessible::getTextRange(
+        sal_Int32 nStartIndex,
+        sal_Int32 nEndIndex )
+{
+    //!! nEndIndex may be the string length per definition of the interface !!
+    //!! text should be copied exclusive that end index though. And arguments
+    //!! may be switched.
+
+    SolarMutexGuard aGuard;
+    OUString aTxt( GetAccessibleText_Impl() );
+    sal_Int32 nStart = std::min(nStartIndex, nEndIndex);
+    sal_Int32 nEnd   = std::max(nStartIndex, nEndIndex);
+    if ((nStart > aTxt.getLength()) ||
+        (nEnd   > aTxt.getLength()))
+        throw IndexOutOfBoundsException();
+    return aTxt.copy( nStart, nEnd - nStart );
+}
+
+css::accessibility::TextSegment SAL_CALL SmGraphicAccessible::getTextAtIndex( sal_Int32 nIndex, sal_Int16 aTextType )
+{
+    SolarMutexGuard aGuard;
+    OUString aTxt( GetAccessibleText_Impl() );
+    //!! nIndex is allowed to be the string length
+    if (nIndex > aTxt.getLength())
+        throw IndexOutOfBoundsException();
+
+    css::accessibility::TextSegment aResult;
+    aResult.SegmentStart = -1;
+    aResult.SegmentEnd = -1;
+    if ( (AccessibleTextType::CHARACTER == aTextType)  &&  (nIndex < aTxt.getLength()) )
+    {
+        auto nIndexEnd = nIndex;
+        aTxt.iterateCodePoints(&nIndexEnd);
+
+        aResult.SegmentText = aTxt.copy(nIndex, nIndexEnd - nIndex);
+        aResult.SegmentStart = nIndex;
+        aResult.SegmentEnd = nIndexEnd;
+    }
+    return aResult;
+}
+
+css::accessibility::TextSegment SAL_CALL SmGraphicAccessible::getTextBeforeIndex( sal_Int32 nIndex, sal_Int16 aTextType )
+{
+    SolarMutexGuard aGuard;
+    OUString aTxt( GetAccessibleText_Impl() );
+    //!! nIndex is allowed to be the string length
+    if (nIndex > aTxt.getLength())
+        throw IndexOutOfBoundsException();
+
+    css::accessibility::TextSegment aResult;
+    aResult.SegmentStart = -1;
+    aResult.SegmentEnd = -1;
+
+    if ( (AccessibleTextType::CHARACTER == aTextType)  && nIndex > 0 )
+    {
+        aTxt.iterateCodePoints(&nIndex, -1);
+        auto nIndexEnd = nIndex;
+        aTxt.iterateCodePoints(&nIndexEnd);
+        aResult.SegmentText = aTxt.copy(nIndex, nIndexEnd - nIndex);
+        aResult.SegmentStart = nIndex;
+        aResult.SegmentEnd = nIndexEnd;
+    }
+    return aResult;
+}
+
+css::accessibility::TextSegment SAL_CALL SmGraphicAccessible::getTextBehindIndex( sal_Int32 nIndex, sal_Int16 aTextType )
+{
+    SolarMutexGuard aGuard;
+    OUString aTxt( GetAccessibleText_Impl() );
+    //!! nIndex is allowed to be the string length
+    if (nIndex > aTxt.getLength())
+        throw IndexOutOfBoundsException();
+
+    css::accessibility::TextSegment aResult;
+    aResult.SegmentStart = -1;
+    aResult.SegmentEnd = -1;
+
+    if ( (AccessibleTextType::CHARACTER == aTextType)  &&  (nIndex + 1 < aTxt.getLength()) )
+    {
+        aTxt.iterateCodePoints(&nIndex);
+        auto nIndexEnd = nIndex;
+        aTxt.iterateCodePoints(&nIndexEnd);
+        aResult.SegmentText = aTxt.copy(nIndex, nIndexEnd - nIndex);
+        aResult.SegmentStart = nIndex;
+        aResult.SegmentEnd = nIndexEnd;
+    }
+    return aResult;
+}
+
+sal_Bool SAL_CALL SmGraphicAccessible::copyText(
+        sal_Int32 nStartIndex,
+        sal_Int32 nEndIndex )
+{
+    SolarMutexGuard aGuard;
+    bool bReturn = false;
+
+    if (!pWin)
+        throw RuntimeException();
+
+    Reference< datatransfer::clipboard::XClipboard > xClipboard = pWin->GetClipboard();
+    if ( xClipboard.is() )
+    {
+        OUString sText( getTextRange(nStartIndex, nEndIndex) );
+
+        rtl::Reference<vcl::unohelper::TextDataObject> pDataObj = new vcl::unohelper::TextDataObject( sText );
+        SolarMutexReleaser aReleaser;
+        xClipboard->setContents( pDataObj, nullptr );
+
+        Reference< datatransfer::clipboard::XFlushableClipboard > xFlushableClipboard( xClipboard, uno::UNO_QUERY );
+        if( xFlushableClipboard.is() )
+            xFlushableClipboard->flushClipboard();
+
+        bReturn = true;
+    }
+
+
+    return bReturn;
+}
+
+sal_Bool SAL_CALL SmGraphicAccessible::scrollSubstringTo( sal_Int32, sal_Int32, AccessibleScrollType )
+{
+    return false;
+}
+
+OUString SAL_CALL SmGraphicAccessible::getImplementationName()
+{
+    return "SmGraphicAccessible";
+}
+
+sal_Bool SAL_CALL SmGraphicAccessible::supportsService(
+        const OUString& rServiceName )
+{
+    return  cppu::supportsService(this, rServiceName);
+}
+
+Sequence< OUString > SAL_CALL SmGraphicAccessible::getSupportedServiceNames()
+{
+    return {
+        "css::accessibility::Accessible",
+        "css::accessibility::AccessibleComponent",
+        "css::accessibility::AccessibleContext",
+        "css::accessibility::AccessibleText"
+    };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/accessibility.hxx b/starmath/source/accessibility.hxx
new file mode 100644
index 0000000000..fd41e5a321
--- /dev/null
+++ b/starmath/source/accessibility.hxx
@@ -0,0 +1,134 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <com/sun/star/accessibility/AccessibleScrollType.hpp>
+#include <com/sun/star/accessibility/XAccessible.hpp>
+#include <com/sun/star/accessibility/XAccessibleComponent.hpp>
+#include <com/sun/star/accessibility/XAccessibleContext.hpp>
+#include <com/sun/star/accessibility/XAccessibleText.hpp>
+#include <com/sun/star/accessibility/XAccessibleEventBroadcaster.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/uno/Reference.h>
+#include <cppuhelper/implbase.hxx>
+
+#include <view.hxx>
+
+class SmDocShell;
+
+namespace accessibility { class AccessibleTextHelper; }
+
+// classes and helper-classes used for accessibility in the graphic-window
+
+
+typedef
+cppu::WeakImplHelper
+    <
+        css::lang::XServiceInfo,
+        css::accessibility::XAccessible,
+        css::accessibility::XAccessibleComponent,
+        css::accessibility::XAccessibleContext,
+        css::accessibility::XAccessibleText,
+        css::accessibility::XAccessibleEventBroadcaster
+    >
+SmGraphicAccessibleBaseClass;
+
+class SmGraphicAccessible final :
+    public SmGraphicAccessibleBaseClass
+{
+    OUString                            aAccName;
+    /// client id in the AccessibleEventNotifier queue
+    sal_uInt32                          nClientId;
+
+    SmGraphicWidget*                    pWin;
+
+    SmGraphicAccessible( const SmGraphicAccessible & ) = delete;
+    SmGraphicAccessible & operator = ( const SmGraphicAccessible & ) = delete;
+
+    SmDocShell *    GetDoc_Impl();
+    OUString        GetAccessibleText_Impl();
+
+public:
+    explicit SmGraphicAccessible( SmGraphicWidget *pGraphicWin );
+    virtual ~SmGraphicAccessible() override;
+
+    void                ClearWin();     // to be called when view is destroyed
+    void                LaunchEvent(
+                            const sal_Int16 nAccessibleEventId,
+                            const css::uno::Any &rOldVal,
+                            const css::uno::Any &rNewVal);
+
+    // XAccessible
+    virtual css::uno::Reference< css::accessibility::XAccessibleContext > SAL_CALL getAccessibleContext(  ) override;
+
+    // XAccessibleComponent
+    virtual sal_Bool SAL_CALL containsPoint( const css::awt::Point& aPoint ) override;
+    virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleAtPoint( const css::awt::Point& aPoint ) override;
+    virtual css::awt::Rectangle SAL_CALL getBounds(  ) override;
+    virtual css::awt::Point SAL_CALL getLocation(  ) override;
+    virtual css::awt::Point SAL_CALL getLocationOnScreen(  ) override;
+    virtual css::awt::Size SAL_CALL getSize(  ) override;
+    virtual void SAL_CALL grabFocus(  ) override;
+    virtual sal_Int32 SAL_CALL getForeground(  ) override;
+    virtual sal_Int32 SAL_CALL getBackground(  ) override;
+
+    // XAccessibleContext
+    virtual sal_Int64 SAL_CALL getAccessibleChildCount(  ) override;
+    virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleChild( sal_Int64 i ) override;
+    virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleParent(  ) override;
+    virtual sal_Int64 SAL_CALL getAccessibleIndexInParent(  ) override;
+    virtual sal_Int16 SAL_CALL getAccessibleRole(  ) override;
+    virtual OUString SAL_CALL getAccessibleDescription(  ) override;
+    virtual OUString SAL_CALL getAccessibleName(  ) override;
+    virtual css::uno::Reference< css::accessibility::XAccessibleRelationSet > SAL_CALL getAccessibleRelationSet(  ) override;
+    virtual sal_Int64 SAL_CALL getAccessibleStateSet(  ) override;
+    virtual css::lang::Locale SAL_CALL getLocale(  ) override;
+
+    // XAccessibleEventBroadcaster
+    virtual void SAL_CALL addAccessibleEventListener( const css::uno::Reference< css::accessibility::XAccessibleEventListener >& xListener ) override;
+    virtual void SAL_CALL removeAccessibleEventListener( const css::uno::Reference< css::accessibility::XAccessibleEventListener >& xListener ) override;
+
+    // XAccessibleText
+    virtual sal_Int32 SAL_CALL getCaretPosition(  ) override;
+    virtual sal_Bool SAL_CALL setCaretPosition ( sal_Int32 nIndex ) override;
+    virtual sal_Unicode SAL_CALL getCharacter( sal_Int32 nIndex ) override;
+    virtual css::uno::Sequence< css::beans::PropertyValue > SAL_CALL getCharacterAttributes( sal_Int32 nIndex, const css::uno::Sequence< OUString >& aRequestedAttributes ) override;
+    virtual css::awt::Rectangle SAL_CALL getCharacterBounds( sal_Int32 nIndex ) override;
+    virtual sal_Int32 SAL_CALL getCharacterCount(  ) override;
+    virtual sal_Int32 SAL_CALL getIndexAtPoint( const css::awt::Point& aPoint ) override;
+    virtual OUString SAL_CALL getSelectedText(  ) override;
+    virtual sal_Int32 SAL_CALL getSelectionStart(  ) override;
+    virtual sal_Int32 SAL_CALL getSelectionEnd(  ) override;
+    virtual sal_Bool SAL_CALL setSelection( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
+    virtual OUString SAL_CALL getText(  ) override;
+    virtual OUString SAL_CALL getTextRange( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
+    virtual css::accessibility::TextSegment SAL_CALL getTextAtIndex( sal_Int32 nIndex, sal_Int16 aTextType ) override;
+    virtual css::accessibility::TextSegment SAL_CALL getTextBeforeIndex( sal_Int32 nIndex, sal_Int16 aTextType ) override;
+    virtual css::accessibility::TextSegment SAL_CALL getTextBehindIndex( sal_Int32 nIndex, sal_Int16 aTextType ) override;
+    virtual sal_Bool SAL_CALL copyText( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
+    virtual sal_Bool SAL_CALL scrollSubstringTo( sal_Int32 nStartIndex, sal_Int32 nEndIndex, css::accessibility::AccessibleScrollType aScrollType) override;
+
+    // XServiceInfo
+    virtual OUString SAL_CALL getImplementationName(  ) override;
+    virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) override;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/action.cxx b/starmath/source/action.cxx
new file mode 100644
index 0000000000..37e643c85c
--- /dev/null
+++ b/starmath/source/action.cxx
@@ -0,0 +1,53 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <action.hxx>
+#include <document.hxx>
+#include <strings.hxx>
+
+SmFormatAction::SmFormatAction(SmDocShell *pDocSh,
+                               const SmFormat& rOldFormat,
+                               const SmFormat& rNewFormat) :
+    pDoc( pDocSh ),
+    aOldFormat( rOldFormat ),
+    aNewFormat( rNewFormat )
+{
+}
+
+void SmFormatAction::Undo()
+{
+    pDoc->SetFormat(aOldFormat);
+}
+
+void SmFormatAction::Redo()
+{
+    pDoc->SetFormat(aNewFormat);
+}
+
+void SmFormatAction::Repeat(SfxRepeatTarget& rDocSh)
+{
+    dynamic_cast< SmDocShell & >(rDocSh).SetFormat(aNewFormat);
+}
+
+OUString SmFormatAction::GetComment() const
+{
+    return RID_UNDOFORMATNAME;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/caret.cxx b/starmath/source/caret.cxx
new file mode 100644
index 0000000000..4e2effaa23
--- /dev/null
+++ b/starmath/source/caret.cxx
@@ -0,0 +1,28 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+#include <caret.hxx>
+
+SmCaretPosGraph::SmCaretPosGraph() = default;
+
+SmCaretPosGraph::~SmCaretPosGraph() = default;
+
+SmCaretPosGraphEntry* SmCaretPosGraph::Add(SmCaretPos pos,
+                                           SmCaretPosGraphEntry* left)
+{
+    assert(pos.nIndex >= 0);
+    auto entry = std::make_unique<SmCaretPosGraphEntry>(pos, left, nullptr);
+    SmCaretPosGraphEntry* e = entry.get();
+    //Set Left and Right to point to the entry itself if they are NULL
+    entry->Left = entry->Left ? entry->Left : e;
+    entry->Right = entry->Right ? entry->Right : e;
+    mvEntries.push_back(std::move(entry));
+    return e;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/cfgitem.cxx b/starmath/source/cfgitem.cxx
new file mode 100644
index 0000000000..62918828fd
--- /dev/null
+++ b/starmath/source/cfgitem.cxx
@@ -0,0 +1,1474 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svl/itemset.hxx>
+#include <svl/intitem.hxx>
+#include <svl/eitem.hxx>
+#include <svl/languageoptions.hxx>
+#include <unotools/configmgr.hxx>
+#include <utility>
+#include <vcl/outdev.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/settings.hxx>
+#include <sal/log.hxx>
+#include <osl/diagnose.h>
+#include <i18nlangtag/languagetag.hxx>
+
+#include <com/sun/star/beans/PropertyValue.hpp>
+
+#include <cfgitem.hxx>
+
+#include <starmath.hrc>
+#include <smmod.hxx>
+#include <symbol.hxx>
+#include <format.hxx>
+
+using namespace com::sun::star::uno;
+using namespace com::sun::star::beans;
+
+constexpr OUString SYMBOL_LIST = u"SymbolList"_ustr;
+constexpr OUString FONT_FORMAT_LIST = u"FontFormatList"_ustr;
+
+static Sequence< OUString > lcl_GetFontPropertyNames()
+{
+    return Sequence< OUString > {
+                        "Name",
+                        "CharSet",
+                        "Family",
+                        "Pitch",
+                        "Weight",
+                        "Italic"
+                    };
+}
+
+static Sequence< OUString > lcl_GetSymbolPropertyNames()
+{
+    return Sequence< OUString > {
+                        "Char",
+                        "Set",
+                        "Predefined",
+                        "FontFormatId"
+                    };
+}
+
+static Sequence<OUString> lcl_GetOtherPropertyNames()
+{
+    return Sequence<OUString>{ "LoadSave/IsSaveOnlyUsedSymbols",
+                               "Misc/AutoCloseBrackets",
+                               "Misc/DefaultSmSyntaxVersion",
+                               "Misc/IgnoreSpacesRight",
+                               "Misc/InlineEditEnable",
+                               "Misc/SmEditWindowZoomFactor",
+                               "Print/FormulaText",
+                               "Print/Frame",
+                               "Print/Size",
+                               "Print/Title",
+                               "Print/ZoomFactor",
+                               "View/AutoRedraw",
+                               "View/FormulaCursor",
+                               "View/ToolboxVisible" };
+}
+
+static Sequence< OUString > lcl_GetFormatPropertyNames()
+{
+    //! Beware of order according to *_BEGIN *_END defines in format.hxx !
+    //! see respective load/save routines here
+    return Sequence< OUString > {
+                        "StandardFormat/Textmode",
+                        "StandardFormat/RightToLeft",
+                        "StandardFormat/GreekCharStyle",
+                        "StandardFormat/ScaleNormalBracket",
+                        "StandardFormat/HorizontalAlignment",
+                        "StandardFormat/BaseSize",
+                        "StandardFormat/TextSize",
+                        "StandardFormat/IndexSize",
+                        "StandardFormat/FunctionSize",
+                        "StandardFormat/OperatorSize",
+                        "StandardFormat/LimitsSize",
+                        "StandardFormat/Distance/Horizontal",
+                        "StandardFormat/Distance/Vertical",
+                        "StandardFormat/Distance/Root",
+                        "StandardFormat/Distance/SuperScript",
+                        "StandardFormat/Distance/SubScript",
+                        "StandardFormat/Distance/Numerator",
+                        "StandardFormat/Distance/Denominator",
+                        "StandardFormat/Distance/Fraction",
+                        "StandardFormat/Distance/StrokeWidth",
+                        "StandardFormat/Distance/UpperLimit",
+                        "StandardFormat/Distance/LowerLimit",
+                        "StandardFormat/Distance/BracketSize",
+                        "StandardFormat/Distance/BracketSpace",
+                        "StandardFormat/Distance/MatrixRow",
+                        "StandardFormat/Distance/MatrixColumn",
+                        "StandardFormat/Distance/OrnamentSize",
+                        "StandardFormat/Distance/OrnamentSpace",
+                        "StandardFormat/Distance/OperatorSize",
+                        "StandardFormat/Distance/OperatorSpace",
+                        "StandardFormat/Distance/LeftSpace",
+                        "StandardFormat/Distance/RightSpace",
+                        "StandardFormat/Distance/TopSpace",
+                        "StandardFormat/Distance/BottomSpace",
+                        "StandardFormat/Distance/NormalBracketSize",
+                        "StandardFormat/VariableFont",
+                        "StandardFormat/FunctionFont",
+                        "StandardFormat/NumberFont",
+                        "StandardFormat/TextFont",
+                        "StandardFormat/SerifFont",
+                        "StandardFormat/SansFont",
+                        "StandardFormat/FixedFont"
+                    };
+}
+
+struct SmCfgOther
+{
+    SmPrintSize     ePrintSize;
+    sal_uInt16      nPrintZoomFactor;
+    sal_uInt16      nSmEditWindowZoomFactor;
+    sal_Int16       nSmSyntaxVersion;
+    bool            bPrintTitle;
+    bool            bPrintFormulaText;
+    bool            bPrintFrame;
+    bool            bIsSaveOnlyUsedSymbols;
+    bool            bIsAutoCloseBrackets;
+    bool            bInlineEditEnable;
+    bool            bIgnoreSpacesRight;
+    bool            bToolboxVisible;
+    bool            bAutoRedraw;
+    bool            bFormulaCursor;
+
+    SmCfgOther();
+};
+
+constexpr sal_Int16 nDefaultSmSyntaxVersion(5);
+
+SmCfgOther::SmCfgOther()
+    : ePrintSize(PRINT_SIZE_NORMAL)
+    , nPrintZoomFactor(100)
+    , nSmEditWindowZoomFactor(100)
+    // Defaulted as 5 so I have time to code the parser 6
+    , nSmSyntaxVersion(nDefaultSmSyntaxVersion)
+    , bPrintTitle(true)
+    , bPrintFormulaText(true)
+    , bPrintFrame(true)
+    , bIsSaveOnlyUsedSymbols(true)
+    , bIsAutoCloseBrackets(true)
+    , bInlineEditEnable(true)
+    , bIgnoreSpacesRight(true)
+    , bToolboxVisible(true)
+    , bAutoRedraw(true)
+    , bFormulaCursor(true)
+{
+}
+
+
+SmFontFormat::SmFontFormat()
+    : aName(FONTNAME_MATH)
+    , nCharSet(RTL_TEXTENCODING_UNICODE)
+    , nFamily(FAMILY_DONTKNOW)
+    , nPitch(PITCH_DONTKNOW)
+    , nWeight(WEIGHT_DONTKNOW)
+    , nItalic(ITALIC_NONE)
+{
+}
+
+
+SmFontFormat::SmFontFormat( const vcl::Font &rFont )
+    : aName(rFont.GetFamilyName())
+    , nCharSet(static_cast<sal_Int16>(rFont.GetCharSet()))
+    , nFamily(static_cast<sal_Int16>(rFont.GetFamilyType()))
+    , nPitch(static_cast<sal_Int16>(rFont.GetPitch()))
+    , nWeight(static_cast<sal_Int16>(rFont.GetWeight()))
+    , nItalic(static_cast<sal_Int16>(rFont.GetItalic()))
+{
+}
+
+
+vcl::Font SmFontFormat::GetFont() const
+{
+    vcl::Font aRes;
+    aRes.SetFamilyName( aName );
+    aRes.SetCharSet( static_cast<rtl_TextEncoding>(nCharSet) );
+    aRes.SetFamily( static_cast<FontFamily>(nFamily) );
+    aRes.SetPitch( static_cast<FontPitch>(nPitch) );
+    aRes.SetWeight( static_cast<FontWeight>(nWeight) );
+    aRes.SetItalic( static_cast<FontItalic>(nItalic) );
+    return aRes;
+}
+
+
+bool SmFontFormat::operator == ( const SmFontFormat &rFntFmt ) const
+{
+    return  aName    == rFntFmt.aName       &&
+            nCharSet == rFntFmt.nCharSet    &&
+            nFamily  == rFntFmt.nFamily     &&
+            nPitch   == rFntFmt.nPitch      &&
+            nWeight  == rFntFmt.nWeight     &&
+            nItalic  == rFntFmt.nItalic;
+}
+
+
+SmFntFmtListEntry::SmFntFmtListEntry( OUString _aId, SmFontFormat _aFntFmt ) :
+    aId     (std::move(_aId)),
+    aFntFmt (std::move(_aFntFmt))
+{
+}
+
+
+SmFontFormatList::SmFontFormatList()
+    : bModified(false)
+{
+}
+
+
+void SmFontFormatList::Clear()
+{
+    if (!aEntries.empty())
+    {
+        aEntries.clear();
+        SetModified( true );
+    }
+}
+
+
+void SmFontFormatList::AddFontFormat( const OUString &rFntFmtId,
+        const SmFontFormat &rFntFmt )
+{
+    const SmFontFormat *pFntFmt = GetFontFormat( rFntFmtId );
+    OSL_ENSURE( !pFntFmt, "FontFormatId already exists" );
+    if (!pFntFmt)
+    {
+        SmFntFmtListEntry aEntry( rFntFmtId, rFntFmt );
+        aEntries.push_back( aEntry );
+        SetModified( true );
+    }
+}
+
+
+void SmFontFormatList::RemoveFontFormat( std::u16string_view rFntFmtId )
+{
+
+    // search for entry
+    for (size_t i = 0;  i < aEntries.size();  ++i)
+    {
+        if (aEntries[i].aId == rFntFmtId)
+        {
+            // remove entry if found
+            aEntries.erase( aEntries.begin() + i );
+            SetModified( true );
+            break;
+        }
+    }
+}
+
+
+const SmFontFormat * SmFontFormatList::GetFontFormat( std::u16string_view rFntFmtId ) const
+{
+    const SmFontFormat *pRes = nullptr;
+
+    for (const auto & rEntry : aEntries)
+    {
+        if (rEntry.aId == rFntFmtId)
+        {
+            pRes = &rEntry.aFntFmt;
+            break;
+        }
+    }
+
+    return pRes;
+}
+
+
+const SmFontFormat * SmFontFormatList::GetFontFormat( size_t nPos ) const
+{
+    const SmFontFormat *pRes = nullptr;
+    if (nPos < aEntries.size())
+        pRes = &aEntries[nPos].aFntFmt;
+    return pRes;
+}
+
+
+OUString SmFontFormatList::GetFontFormatId( const SmFontFormat &rFntFmt ) const
+{
+    OUString aRes;
+
+    for (const auto & rEntry : aEntries)
+    {
+        if (rEntry.aFntFmt == rFntFmt)
+        {
+            aRes = rEntry.aId;
+            break;
+        }
+    }
+
+    return aRes;
+}
+
+
+OUString SmFontFormatList::GetFontFormatId( const SmFontFormat &rFntFmt, bool bAdd )
+{
+    OUString aRes( GetFontFormatId( rFntFmt) );
+    if (aRes.isEmpty()  &&  bAdd)
+    {
+        aRes = GetNewFontFormatId();
+        AddFontFormat( aRes, rFntFmt );
+    }
+    return aRes;
+}
+
+
+OUString SmFontFormatList::GetFontFormatId( size_t nPos ) const
+{
+    OUString aRes;
+    if (nPos < aEntries.size())
+        aRes = aEntries[nPos].aId;
+    return aRes;
+}
+
+
+OUString SmFontFormatList::GetNewFontFormatId() const
+{
+    // returns first unused FormatId
+
+    sal_Int32 nCnt = GetCount();
+    for (sal_Int32 i = 1;  i <= nCnt + 1;  ++i)
+    {
+        OUString aTmpId = "Id" + OUString::number(i);
+        if (!GetFontFormat(aTmpId))
+            return aTmpId;
+    }
+    OSL_ENSURE( false, "failed to create new FontFormatId" );
+
+    return OUString();
+}
+
+
+SmMathConfig::SmMathConfig() :
+    ConfigItem("Office.Math")
+    , bIsOtherModified(false)
+    , bIsFormatModified(false)
+{
+    EnableNotification({ {} }); // Listen to everything under the node
+}
+
+
+SmMathConfig::~SmMathConfig()
+{
+    Save();
+}
+
+
+void SmMathConfig::SetOtherModified( bool bVal )
+{
+    bIsOtherModified = bVal;
+}
+
+
+void SmMathConfig::SetFormatModified( bool bVal )
+{
+    bIsFormatModified = bVal;
+}
+
+
+void SmMathConfig::ReadSymbol( SmSym &rSymbol,
+                        const OUString &rSymbolName,
+                        std::u16string_view rBaseNode ) const
+{
+    Sequence< OUString > aNames = lcl_GetSymbolPropertyNames();
+    sal_Int32 nProps = aNames.getLength();
+
+    OUString aDelim( "/" );
+    for (auto& rName : asNonConstRange(aNames))
+        rName = rBaseNode + aDelim + rSymbolName + aDelim + rName;
+
+    const Sequence< Any > aValues = const_cast<SmMathConfig*>(this)->GetProperties(aNames);
+
+    if (!(nProps  &&  aValues.getLength() == nProps))
+        return;
+
+    const Any * pValue = aValues.getConstArray();
+    vcl::Font   aFont;
+    sal_UCS4    cChar = '\0';
+    OUString    aSet;
+    bool        bPredefined = false;
+
+    OUString    aTmpStr;
+    sal_Int32       nTmp32 = 0;
+    bool        bTmp = false;
+
+    bool bOK = true;
+    if (pValue->hasValue()  &&  (*pValue >>= nTmp32))
+        cChar = static_cast< sal_UCS4 >( nTmp32 );
+    else
+        bOK = false;
+    ++pValue;
+    if (pValue->hasValue()  &&  (*pValue >>= aTmpStr))
+        aSet = aTmpStr;
+    else
+        bOK = false;
+    ++pValue;
+    if (pValue->hasValue()  &&  (*pValue >>= bTmp))
+        bPredefined = bTmp;
+    else
+        bOK = false;
+    ++pValue;
+    if (pValue->hasValue()  &&  (*pValue >>= aTmpStr))
+    {
+        const SmFontFormat *pFntFmt = GetFontFormatList().GetFontFormat( aTmpStr );
+        OSL_ENSURE( pFntFmt, "unknown FontFormat" );
+        if (pFntFmt)
+            aFont = pFntFmt->GetFont();
+    }
+    ++pValue;
+
+    if (bOK)
+    {
+        OUString aUiName( rSymbolName );
+        OUString aUiSetName( aSet );
+        if (bPredefined)
+        {
+            OUString aTmp;
+            aTmp = SmLocalizedSymbolData::GetUiSymbolName( rSymbolName );
+            OSL_ENSURE( !aTmp.isEmpty(), "localized symbol-name not found" );
+            if (!aTmp.isEmpty())
+                aUiName = aTmp;
+            aTmp = SmLocalizedSymbolData::GetUiSymbolSetName( aSet );
+            OSL_ENSURE( !aTmp.isEmpty(), "localized symbolset-name not found" );
+            if (!aTmp.isEmpty())
+                aUiSetName = aTmp;
+        }
+
+        rSymbol = SmSym( aUiName, aFont, cChar, aUiSetName, bPredefined );
+        if (aUiName != rSymbolName)
+            rSymbol.SetExportName( rSymbolName );
+    }
+    else
+    {
+        SAL_WARN("starmath", "symbol read error");
+    }
+}
+
+
+SmSymbolManager & SmMathConfig::GetSymbolManager()
+{
+    if (!pSymbolMgr)
+    {
+        pSymbolMgr.reset(new SmSymbolManager);
+        pSymbolMgr->Load();
+    }
+    return *pSymbolMgr;
+}
+
+
+void SmMathConfig::ImplCommit()
+{
+    Save();
+}
+
+
+void SmMathConfig::Save()
+{
+    SaveOther();
+    SaveFormat();
+    SaveFontFormatList();
+}
+
+
+void SmMathConfig::UnlockCommit()
+{
+    if (--m_nCommitLock == 0)
+        Commit();
+}
+
+
+void SmMathConfig::Clear()
+{
+    // Re-read data on next request
+    pOther.reset();
+    pFormat.reset();
+    pFontFormatList.reset();
+}
+
+
+void SmMathConfig::GetSymbols( std::vector< SmSym > &rSymbols ) const
+{
+    Sequence< OUString > aNodes(const_cast<SmMathConfig*>(this)->GetNodeNames(SYMBOL_LIST));
+    const OUString *pNode = aNodes.getConstArray();
+    sal_Int32 nNodes = aNodes.getLength();
+
+    rSymbols.resize( nNodes );
+    for (auto& rSymbol : rSymbols)
+    {
+        ReadSymbol( rSymbol, *pNode++, SYMBOL_LIST );
+    }
+}
+
+
+void SmMathConfig::SetSymbols( const std::vector< SmSym > &rNewSymbols )
+{
+    CommitLocker aLock(*this);
+    auto nCount = sal::static_int_cast<sal_Int32>(rNewSymbols.size());
+
+    Sequence< OUString > aNames = lcl_GetSymbolPropertyNames();
+    const OUString *pNames = aNames.getConstArray();
+    sal_Int32 nSymbolProps = aNames.getLength();
+
+    Sequence< PropertyValue > aValues( nCount * nSymbolProps );
+    PropertyValue *pValues = aValues.getArray();
+
+    PropertyValue *pVal = pValues;
+    OUString aDelim( "/" );
+    for (const SmSym& rSymbol : rNewSymbols)
+    {
+        OUString  aNodeNameDelim = SYMBOL_LIST +
+            aDelim +
+            rSymbol.GetExportName() +
+            aDelim;
+
+        const OUString *pName = pNames;
+
+        // Char
+        pVal->Name  = aNodeNameDelim;
+        pVal->Name += *pName++;
+        pVal->Value <<= rSymbol.GetCharacter();
+        pVal++;
+        // Set
+        pVal->Name  = aNodeNameDelim;
+        pVal->Name += *pName++;
+        OUString aTmp( rSymbol.GetSymbolSetName() );
+        if (rSymbol.IsPredefined())
+            aTmp = SmLocalizedSymbolData::GetExportSymbolSetName( aTmp );
+        pVal->Value <<= aTmp;
+        pVal++;
+        // Predefined
+        pVal->Name  = aNodeNameDelim;
+        pVal->Name += *pName++;
+        pVal->Value <<= rSymbol.IsPredefined();
+        pVal++;
+        // FontFormatId
+        SmFontFormat aFntFmt( rSymbol.GetFace() );
+        OUString aFntFmtId( GetFontFormatList().GetFontFormatId( aFntFmt, true ) );
+        OSL_ENSURE( !aFntFmtId.isEmpty(), "FontFormatId not found" );
+        pVal->Name  = aNodeNameDelim;
+        pVal->Name += *pName++;
+        pVal->Value <<= aFntFmtId;
+        pVal++;
+    }
+    OSL_ENSURE( pVal - pValues == sal::static_int_cast< ptrdiff_t >(nCount * nSymbolProps), "properties missing" );
+    ReplaceSetProperties( SYMBOL_LIST, aValues );
+
+    StripFontFormatList( rNewSymbols );
+}
+
+
+SmFontFormatList & SmMathConfig::GetFontFormatList()
+{
+    if (!pFontFormatList)
+    {
+        LoadFontFormatList();
+    }
+    return *pFontFormatList;
+}
+
+
+void SmMathConfig::LoadFontFormatList()
+{
+    if (!pFontFormatList)
+        pFontFormatList.reset(new SmFontFormatList);
+    else
+        pFontFormatList->Clear();
+
+    const Sequence< OUString > aNodes( GetNodeNames( FONT_FORMAT_LIST ) );
+
+    for (const OUString& rNode : aNodes)
+    {
+        SmFontFormat aFntFmt;
+        ReadFontFormat( aFntFmt, rNode, FONT_FORMAT_LIST );
+        if (!pFontFormatList->GetFontFormat( rNode ))
+            pFontFormatList->AddFontFormat( rNode, aFntFmt );
+    }
+    pFontFormatList->SetModified( false );
+}
+
+
+void SmMathConfig::ReadFontFormat( SmFontFormat &rFontFormat,
+        std::u16string_view rSymbolName, std::u16string_view rBaseNode ) const
+{
+    Sequence< OUString > aNames = lcl_GetFontPropertyNames();
+    sal_Int32 nProps = aNames.getLength();
+
+    OUString aDelim( "/" );
+    for (auto& rName : asNonConstRange(aNames))
+        rName = rBaseNode + aDelim + rSymbolName + aDelim + rName;
+
+    const Sequence< Any > aValues = const_cast<SmMathConfig*>(this)->GetProperties(aNames);
+
+    if (!(nProps  &&  aValues.getLength() == nProps))
+        return;
+
+    const Any * pValue = aValues.getConstArray();
+
+    OUString    aTmpStr;
+    sal_Int16       nTmp16 = 0;
+
+    bool bOK = true;
+    if (pValue->hasValue()  &&  (*pValue >>= aTmpStr))
+        rFontFormat.aName = aTmpStr;
+    else
+        bOK = false;
+    ++pValue;
+    if (pValue->hasValue()  &&  (*pValue >>= nTmp16))
+        rFontFormat.nCharSet = nTmp16; // 6.0 file-format GetSOLoadTextEncoding not needed
+    else
+        bOK = false;
+    ++pValue;
+    if (pValue->hasValue()  &&  (*pValue >>= nTmp16))
+        rFontFormat.nFamily = nTmp16;
+    else
+        bOK = false;
+    ++pValue;
+    if (pValue->hasValue()  &&  (*pValue >>= nTmp16))
+        rFontFormat.nPitch = nTmp16;
+    else
+        bOK = false;
+    ++pValue;
+    if (pValue->hasValue()  &&  (*pValue >>= nTmp16))
+        rFontFormat.nWeight = nTmp16;
+    else
+        bOK = false;
+    ++pValue;
+    if (pValue->hasValue()  &&  (*pValue >>= nTmp16))
+        rFontFormat.nItalic = nTmp16;
+    else
+        bOK = false;
+    ++pValue;
+
+    OSL_ENSURE( bOK, "read FontFormat failed" );
+}
+
+
+void SmMathConfig::SaveFontFormatList()
+{
+    SmFontFormatList &rFntFmtList = GetFontFormatList();
+
+    if (!rFntFmtList.IsModified())
+        return;
+
+    Sequence< OUString > aNames = lcl_GetFontPropertyNames();
+    sal_Int32 nSymbolProps = aNames.getLength();
+
+    size_t nCount = rFntFmtList.GetCount();
+
+    Sequence< PropertyValue > aValues( nCount * nSymbolProps );
+    PropertyValue *pValues = aValues.getArray();
+
+    PropertyValue *pVal = pValues;
+    OUString aDelim( "/" );
+    for (size_t i = 0;  i < nCount;  ++i)
+    {
+        OUString aFntFmtId(rFntFmtList.GetFontFormatId(i));
+        const SmFontFormat *pFntFmt = rFntFmtList.GetFontFormat(i);
+        assert(pFntFmt);
+        const SmFontFormat aFntFmt(*pFntFmt);
+
+        OUString  aNodeNameDelim = FONT_FORMAT_LIST +
+            aDelim +
+            aFntFmtId +
+            aDelim;
+
+        const OUString *pName = aNames.getConstArray();
+
+        // Name
+        pVal->Name  = aNodeNameDelim;
+        pVal->Name += *pName++;
+        pVal->Value <<= aFntFmt.aName;
+        pVal++;
+        // CharSet
+        pVal->Name  = aNodeNameDelim;
+        pVal->Name += *pName++;
+        pVal->Value <<= aFntFmt.nCharSet; // 6.0 file-format GetSOStoreTextEncoding not needed
+        pVal++;
+        // Family
+        pVal->Name  = aNodeNameDelim;
+        pVal->Name += *pName++;
+        pVal->Value <<= aFntFmt.nFamily;
+        pVal++;
+        // Pitch
+        pVal->Name  = aNodeNameDelim;
+        pVal->Name += *pName++;
+        pVal->Value <<= aFntFmt.nPitch;
+        pVal++;
+        // Weight
+        pVal->Name  = aNodeNameDelim;
+        pVal->Name += *pName++;
+        pVal->Value <<= aFntFmt.nWeight;
+        pVal++;
+        // Italic
+        pVal->Name  = aNodeNameDelim;
+        pVal->Name += *pName++;
+        pVal->Value <<= aFntFmt.nItalic;
+        pVal++;
+    }
+    OSL_ENSURE( sal::static_int_cast<size_t>(pVal - pValues) == nCount * nSymbolProps, "properties missing" );
+    ReplaceSetProperties( FONT_FORMAT_LIST, aValues );
+
+    rFntFmtList.SetModified( false );
+}
+
+
+void SmMathConfig::StripFontFormatList( const std::vector< SmSym > &rSymbols )
+{
+    size_t i;
+
+    // build list of used font-formats only
+    //!! font-format IDs may be different !!
+    SmFontFormatList aUsedList;
+    for (i = 0;  i < rSymbols.size();  ++i)
+    {
+        OSL_ENSURE( !rSymbols[i].GetUiName().isEmpty(), "non named symbol" );
+        aUsedList.GetFontFormatId( SmFontFormat( rSymbols[i].GetFace() ) , true );
+    }
+    const SmFormat & rStdFmt = GetStandardFormat();
+    for (i = FNT_BEGIN;  i <= FNT_END;  ++i)
+    {
+        aUsedList.GetFontFormatId( SmFontFormat( rStdFmt.GetFont( i ) ) , true );
+    }
+
+    // remove unused font-formats from list
+    SmFontFormatList &rFntFmtList = GetFontFormatList();
+    size_t nCnt = rFntFmtList.GetCount();
+    std::unique_ptr<SmFontFormat[]> pTmpFormat(new SmFontFormat[ nCnt ]);
+    std::unique_ptr<OUString[]> pId(new OUString[ nCnt ]);
+    size_t k;
+    for (k = 0;  k < nCnt;  ++k)
+    {
+        pTmpFormat[k] = *rFntFmtList.GetFontFormat( k );
+        pId[k]     = rFntFmtList.GetFontFormatId( k );
+    }
+    for (k = 0;  k < nCnt;  ++k)
+    {
+        if (aUsedList.GetFontFormatId( pTmpFormat[k] ).isEmpty())
+        {
+            rFntFmtList.RemoveFontFormat( pId[k] );
+        }
+    }
+}
+
+
+void SmMathConfig::LoadOther()
+{
+    if (!pOther)
+        pOther.reset(new SmCfgOther);
+
+    const Sequence<OUString> aNames(lcl_GetOtherPropertyNames());
+    const Sequence<Any> aValues(GetProperties(aNames));
+    if (aNames.getLength() != aValues.getLength())
+        return;
+
+    const Any* pValues = aValues.getConstArray();
+    const Any* pVal = pValues;
+
+    // LoadSave/IsSaveOnlyUsedSymbols
+    if (bool bTmp; pVal->hasValue() && (*pVal >>= bTmp))
+        pOther->bIsSaveOnlyUsedSymbols = bTmp;
+    ++pVal;
+    // Misc/AutoCloseBrackets
+    if (bool bTmp; pVal->hasValue() && (*pVal >>= bTmp))
+        pOther->bIsAutoCloseBrackets = bTmp;
+    ++pVal;
+    // Misc/DefaultSmSyntaxVersion
+    if (sal_Int16 nTmp; pVal->hasValue() && (*pVal >>= nTmp))
+        pOther->nSmSyntaxVersion = nTmp;
+    ++pVal;
+    // Misc/InlineEditEnable
+    if (bool bTmp; pVal->hasValue() && (*pVal >>= bTmp))
+        pOther->bInlineEditEnable = bTmp;
+    ++pVal;
+    // Misc/IgnoreSpacesRight
+    if (bool bTmp; pVal->hasValue() && (*pVal >>= bTmp))
+        pOther->bIgnoreSpacesRight = bTmp;
+    ++pVal;
+    // Misc/SmEditWindowZoomFactor
+    if (sal_Int16 nTmp; pVal->hasValue() && (*pVal >>= nTmp))
+        pOther->nSmEditWindowZoomFactor = nTmp;
+    ++pVal;
+    // Print/FormulaText
+    if (bool bTmp; pVal->hasValue() && (*pVal >>= bTmp))
+        pOther->bPrintFormulaText = bTmp;
+    ++pVal;
+    // Print/Frame
+    if (bool bTmp; pVal->hasValue() && (*pVal >>= bTmp))
+        pOther->bPrintFrame = bTmp;
+    ++pVal;
+    // Print/Size:
+    if (sal_Int16 nTmp; pVal->hasValue() && (*pVal >>= nTmp))
+        pOther->ePrintSize = static_cast<SmPrintSize>(nTmp);
+    ++pVal;
+    // Print/Title
+    if (bool bTmp; pVal->hasValue() && (*pVal >>= bTmp))
+        pOther->bPrintTitle = bTmp;
+    ++pVal;
+    // Print/ZoomFactor
+    if (sal_Int16 nTmp; pVal->hasValue() && (*pVal >>= nTmp))
+        pOther->nPrintZoomFactor = nTmp;
+    ++pVal;
+    // View/AutoRedraw
+    if (bool bTmp; pVal->hasValue() && (*pVal >>= bTmp))
+        pOther->bAutoRedraw = bTmp;
+    ++pVal;
+    // View/FormulaCursor
+    if (bool bTmp; pVal->hasValue() && (*pVal >>= bTmp))
+        pOther->bFormulaCursor = bTmp;
+    ++pVal;
+    // View/ToolboxVisible
+    if (bool bTmp; pVal->hasValue() && (*pVal >>= bTmp))
+        pOther->bToolboxVisible = bTmp;
+    ++pVal;
+
+    OSL_ENSURE(pVal - pValues == aNames.getLength(), "property mismatch");
+    SetOtherModified( false );
+}
+
+
+void SmMathConfig::SaveOther()
+{
+    if (!pOther || !IsOtherModified())
+        return;
+
+    const Sequence<OUString> aNames(lcl_GetOtherPropertyNames());
+    Sequence<Any> aValues(aNames.getLength());
+
+    Any* pValues = aValues.getArray();
+    Any* pVal = pValues;
+
+    // LoadSave/IsSaveOnlyUsedSymbols
+    *pVal++ <<= pOther->bIsSaveOnlyUsedSymbols;
+    // Misc/AutoCloseBrackets
+    *pVal++ <<= pOther->bIsAutoCloseBrackets;
+    // Misc/DefaultSmSyntaxVersion
+    *pVal++ <<= pOther->nSmSyntaxVersion;
+    // Misc/InlineEditEnable
+    *pVal++ <<= pOther->bInlineEditEnable;
+    // Misc/IgnoreSpacesRight
+    *pVal++ <<= pOther->bIgnoreSpacesRight;
+    // Misc/SmEditWindowZoomFactor
+    *pVal++ <<= pOther->nSmEditWindowZoomFactor;
+    // Print/FormulaText
+    *pVal++ <<= pOther->bPrintFormulaText;
+    // Print/Frame
+    *pVal++ <<= pOther->bPrintFrame;
+    // Print/Size:
+    *pVal++ <<= static_cast<sal_Int16>(pOther->ePrintSize);
+    // Print/Title
+    *pVal++ <<= pOther->bPrintTitle;
+    // Print/ZoomFactor
+    *pVal++ <<= pOther->nPrintZoomFactor;
+    // View/AutoRedraw
+    *pVal++ <<= pOther->bAutoRedraw;
+    // View/FormulaCursor
+    *pVal++ <<= pOther->bFormulaCursor;
+    // View/ToolboxVisible
+    *pVal++ <<= pOther->bToolboxVisible;
+
+    OSL_ENSURE(pVal - pValues == aNames.getLength(), "property mismatch");
+    PutProperties(aNames, aValues);
+
+    SetOtherModified( false );
+}
+
+namespace {
+
+// Latin default-fonts
+const DefaultFontType aLatinDefFnts[FNT_END] =
+{
+    DefaultFontType::SERIF,  // FNT_VARIABLE
+    DefaultFontType::SERIF,  // FNT_FUNCTION
+    DefaultFontType::SERIF,  // FNT_NUMBER
+    DefaultFontType::SERIF,  // FNT_TEXT
+    DefaultFontType::SERIF,  // FNT_SERIF
+    DefaultFontType::SANS,   // FNT_SANS
+    DefaultFontType::FIXED   // FNT_FIXED
+    //OpenSymbol,    // FNT_MATH
+};
+
+// CJK default-fonts
+//! we use non-asian fonts for variables, functions and numbers since they
+//! look better and even in asia only latin letters will be used for those.
+//! At least that's what I was told...
+const DefaultFontType aCJKDefFnts[FNT_END] =
+{
+    DefaultFontType::SERIF,          // FNT_VARIABLE
+    DefaultFontType::SERIF,          // FNT_FUNCTION
+    DefaultFontType::SERIF,          // FNT_NUMBER
+    DefaultFontType::CJK_TEXT,       // FNT_TEXT
+    DefaultFontType::CJK_TEXT,       // FNT_SERIF
+    DefaultFontType::CJK_DISPLAY,    // FNT_SANS
+    DefaultFontType::CJK_TEXT        // FNT_FIXED
+    //OpenSymbol,    // FNT_MATH
+};
+
+// CTL default-fonts
+const DefaultFontType aCTLDefFnts[FNT_END] =
+{
+    DefaultFontType::CTL_TEXT,    // FNT_VARIABLE
+    DefaultFontType::CTL_TEXT,    // FNT_FUNCTION
+    DefaultFontType::CTL_TEXT,    // FNT_NUMBER
+    DefaultFontType::CTL_TEXT,    // FNT_TEXT
+    DefaultFontType::CTL_TEXT,    // FNT_SERIF
+    DefaultFontType::CTL_TEXT,    // FNT_SANS
+    DefaultFontType::CTL_TEXT     // FNT_FIXED
+    //OpenSymbol,    // FNT_MATH
+};
+
+
+OUString lcl_GetDefaultFontName( LanguageType nLang, sal_uInt16 nIdent )
+{
+    assert(nIdent < FNT_END);
+    const DefaultFontType *pTable;
+    switch ( SvtLanguageOptions::GetScriptTypeOfLanguage( nLang ) )
+    {
+        case SvtScriptType::LATIN :     pTable = aLatinDefFnts; break;
+        case SvtScriptType::ASIAN :     pTable = aCJKDefFnts; break;
+        case SvtScriptType::COMPLEX :   pTable = aCTLDefFnts; break;
+        default :
+            pTable = aLatinDefFnts;
+            SAL_WARN("starmath", "unknown script-type");
+    }
+
+    return OutputDevice::GetDefaultFont(pTable[ nIdent ], nLang,
+                                        GetDefaultFontFlags::OnlyOne ).GetFamilyName();
+}
+
+}
+
+
+void SmMathConfig::LoadFormat()
+{
+    if (!pFormat)
+        pFormat.reset(new SmFormat);
+
+
+    Sequence< OUString > aNames = lcl_GetFormatPropertyNames();
+
+    sal_Int32 nProps = aNames.getLength();
+
+    Sequence< Any > aValues( GetProperties( aNames ) );
+    if (!(nProps  &&  aValues.getLength() == nProps))
+        return;
+
+    const Any *pValues = aValues.getConstArray();
+    const Any *pVal = pValues;
+
+    OUString    aTmpStr;
+    sal_Int16       nTmp16 = 0;
+    bool        bTmp = false;
+
+    // StandardFormat/Textmode
+    if (pVal->hasValue()  &&  (*pVal >>= bTmp))
+        pFormat->SetTextmode( bTmp );
+    ++pVal;
+    // StandardFormat/RightToLeft
+    if (pVal->hasValue()  &&  (*pVal >>= bTmp))
+        pFormat->SetRightToLeft( bTmp );
+    ++pVal;
+    // StandardFormat/GreekCharStyle
+    if (pVal->hasValue()  &&  (*pVal >>= nTmp16))
+        pFormat->SetGreekCharStyle( nTmp16 );
+    ++pVal;
+    // StandardFormat/ScaleNormalBracket
+    if (pVal->hasValue()  &&  (*pVal >>= bTmp))
+        pFormat->SetScaleNormalBrackets( bTmp );
+    ++pVal;
+    // StandardFormat/HorizontalAlignment
+    if (pVal->hasValue()  &&  (*pVal >>= nTmp16))
+        pFormat->SetHorAlign( static_cast<SmHorAlign>(nTmp16) );
+    ++pVal;
+    // StandardFormat/BaseSize
+    if (pVal->hasValue()  &&  (*pVal >>= nTmp16))
+        pFormat->SetBaseSize(Size(0, o3tl::convert(nTmp16, o3tl::Length::pt, SmO3tlLengthUnit())));
+    ++pVal;
+
+    sal_uInt16 i;
+    for (i = SIZ_BEGIN;  i <= SIZ_END;  ++i)
+    {
+        if (pVal->hasValue()  &&  (*pVal >>= nTmp16))
+            pFormat->SetRelSize( i, nTmp16 );
+        ++pVal;
+    }
+
+    for (i = DIS_BEGIN;  i <= DIS_END;  ++i)
+    {
+        if (pVal->hasValue()  &&  (*pVal >>= nTmp16))
+            pFormat->SetDistance( i, nTmp16 );
+        ++pVal;
+    }
+
+    LanguageType nLang = Application::GetSettings().GetUILanguageTag().getLanguageType();
+    for (i = FNT_BEGIN;  i < FNT_END;  ++i)
+    {
+        vcl::Font aFnt;
+        bool bUseDefaultFont = true;
+        if (pVal->hasValue()  &&  (*pVal >>= aTmpStr))
+        {
+            bUseDefaultFont = aTmpStr.isEmpty();
+            if (bUseDefaultFont)
+            {
+                aFnt = pFormat->GetFont( i );
+                aFnt.SetFamilyName( lcl_GetDefaultFontName( nLang, i ) );
+            }
+            else
+            {
+                const SmFontFormat *pFntFmt = GetFontFormatList().GetFontFormat( aTmpStr );
+                OSL_ENSURE( pFntFmt, "unknown FontFormat" );
+                if (pFntFmt)
+                    aFnt = pFntFmt->GetFont();
+            }
+        }
+        ++pVal;
+
+        aFnt.SetFontSize( pFormat->GetBaseSize() );
+        pFormat->SetFont( i, aFnt, bUseDefaultFont );
+    }
+
+    OSL_ENSURE( pVal - pValues == nProps, "property mismatch" );
+    SetFormatModified( false );
+}
+
+
+void SmMathConfig::SaveFormat()
+{
+    if (!pFormat || !IsFormatModified())
+        return;
+
+    const Sequence< OUString > aNames = lcl_GetFormatPropertyNames();
+    sal_Int32 nProps = aNames.getLength();
+
+    Sequence< Any > aValues( nProps );
+    Any *pValues = aValues.getArray();
+    Any *pValue  = pValues;
+
+    // StandardFormat/Textmode
+    *pValue++ <<= pFormat->IsTextmode();
+    // StandardFormat/RightToLeft
+    *pValue++ <<= pFormat->IsRightToLeft();
+    // StandardFormat/GreekCharStyle
+    *pValue++ <<= pFormat->GetGreekCharStyle();
+    // StandardFormat/ScaleNormalBracket
+    *pValue++ <<= pFormat->IsScaleNormalBrackets();
+    // StandardFormat/HorizontalAlignment
+    *pValue++ <<= static_cast<sal_Int16>(pFormat->GetHorAlign());
+    // StandardFormat/BaseSize
+    *pValue++ <<= static_cast<sal_Int16>(
+        o3tl::convert(pFormat->GetBaseSize().Height(), SmO3tlLengthUnit(), o3tl::Length::pt));
+
+    sal_uInt16 i;
+    for (i = SIZ_BEGIN;  i <= SIZ_END;  ++i)
+        *pValue++ <<= static_cast<sal_Int16>(pFormat->GetRelSize( i ));
+
+    for (i = DIS_BEGIN;  i <= DIS_END;  ++i)
+        *pValue++ <<= static_cast<sal_Int16>(pFormat->GetDistance( i ));
+
+    for (i = FNT_BEGIN;  i < FNT_END;  ++i)
+    {
+        OUString aFntFmtId;
+
+        if (!pFormat->IsDefaultFont( i ))
+        {
+            SmFontFormat aFntFmt( pFormat->GetFont( i ) );
+            aFntFmtId = GetFontFormatList().GetFontFormatId( aFntFmt, true );
+            OSL_ENSURE( !aFntFmtId.isEmpty(), "FontFormatId not found" );
+        }
+
+        *pValue++ <<= aFntFmtId;
+    }
+
+    OSL_ENSURE( pValue - pValues == nProps, "property mismatch" );
+    PutProperties( aNames , aValues );
+
+    SetFormatModified( false );
+}
+
+
+const SmFormat & SmMathConfig::GetStandardFormat() const
+{
+    if (!pFormat)
+        const_cast<SmMathConfig*>(this)->LoadFormat();
+    return *pFormat;
+}
+
+
+void SmMathConfig::SetStandardFormat( const SmFormat &rFormat, bool bSaveFontFormatList )
+{
+    if (!pFormat)
+        LoadFormat();
+    if (rFormat == *pFormat)
+        return;
+
+    CommitLocker aLock(*this);
+    *pFormat = rFormat;
+    SetFormatModified( true );
+
+    if (bSaveFontFormatList)
+    {
+        // needed for SmFontTypeDialog's DefaultButtonClickHdl
+        if (pFontFormatList)
+            pFontFormatList->SetModified( true );
+    }
+}
+
+
+SmPrintSize SmMathConfig::GetPrintSize() const
+{
+    if (!pOther)
+        const_cast<SmMathConfig*>(this)->LoadOther();
+    return pOther->ePrintSize;
+}
+
+
+void SmMathConfig::SetPrintSize( SmPrintSize eSize )
+{
+    if (!pOther)
+        LoadOther();
+    if (eSize != pOther->ePrintSize)
+    {
+        CommitLocker aLock(*this);
+        pOther->ePrintSize = eSize;
+        SetOtherModified( true );
+    }
+}
+
+
+sal_uInt16 SmMathConfig::GetPrintZoomFactor() const
+{
+    if (!pOther)
+        const_cast<SmMathConfig*>(this)->LoadOther();
+    return pOther->nPrintZoomFactor;
+}
+
+
+void SmMathConfig::SetPrintZoomFactor( sal_uInt16 nVal )
+{
+    if (!pOther)
+        LoadOther();
+    if (nVal != pOther->nPrintZoomFactor)
+    {
+        CommitLocker aLock(*this);
+        pOther->nPrintZoomFactor = nVal;
+        SetOtherModified( true );
+    }
+}
+
+
+sal_uInt16 SmMathConfig::GetSmEditWindowZoomFactor() const
+{
+    sal_uInt16 smzoomfactor;
+    if (!pOther)
+        const_cast<SmMathConfig*>(this)->LoadOther();
+    smzoomfactor = pOther->nSmEditWindowZoomFactor;
+    return smzoomfactor < 10 || smzoomfactor > 1000 ? 100 : smzoomfactor;
+}
+
+
+void SmMathConfig::SetSmEditWindowZoomFactor( sal_uInt16 nVal )
+{
+    if (!pOther)
+        LoadOther();
+    if (nVal != pOther->nSmEditWindowZoomFactor)
+    {
+        CommitLocker aLock(*this);
+        pOther->nSmEditWindowZoomFactor = nVal;
+        SetOtherModified( true );
+    }
+}
+
+
+bool SmMathConfig::SetOtherIfNotEqual( bool &rbItem, bool bNewVal )
+{
+    if (bNewVal != rbItem)
+    {
+        CommitLocker aLock(*this);
+        rbItem = bNewVal;
+        SetOtherModified( true );
+        return true;
+    }
+    return false;
+}
+
+
+bool SmMathConfig::IsPrintTitle() const
+{
+    if (!pOther)
+        const_cast<SmMathConfig*>(this)->LoadOther();
+    return pOther->bPrintTitle;
+}
+
+
+void SmMathConfig::SetPrintTitle( bool bVal )
+{
+    if (!pOther)
+        LoadOther();
+    SetOtherIfNotEqual( pOther->bPrintTitle, bVal );
+}
+
+
+bool SmMathConfig::IsPrintFormulaText() const
+{
+    if (!pOther)
+        const_cast<SmMathConfig*>(this)->LoadOther();
+    return pOther->bPrintFormulaText;
+}
+
+
+void SmMathConfig::SetPrintFormulaText( bool bVal )
+{
+    if (!pOther)
+        LoadOther();
+    SetOtherIfNotEqual( pOther->bPrintFormulaText, bVal );
+}
+
+bool SmMathConfig::IsSaveOnlyUsedSymbols() const
+{
+    if (!pOther)
+        const_cast<SmMathConfig*>(this)->LoadOther();
+    return pOther->bIsSaveOnlyUsedSymbols;
+}
+
+bool SmMathConfig::IsAutoCloseBrackets() const
+{
+    if (!pOther)
+        const_cast<SmMathConfig*>(this)->LoadOther();
+    return pOther->bIsAutoCloseBrackets;
+}
+
+sal_Int16 SmMathConfig::GetDefaultSmSyntaxVersion() const
+{
+    if (utl::ConfigManager::IsFuzzing())
+        return nDefaultSmSyntaxVersion;
+    if (!pOther)
+        const_cast<SmMathConfig*>(this)->LoadOther();
+    return pOther->nSmSyntaxVersion;
+}
+
+bool SmMathConfig::IsPrintFrame() const
+{
+    if (!pOther)
+        const_cast<SmMathConfig*>(this)->LoadOther();
+    return pOther->bPrintFrame;
+}
+
+
+void SmMathConfig::SetPrintFrame( bool bVal )
+{
+    if (!pOther)
+        LoadOther();
+    SetOtherIfNotEqual( pOther->bPrintFrame, bVal );
+}
+
+
+void SmMathConfig::SetSaveOnlyUsedSymbols( bool bVal )
+{
+    if (!pOther)
+        LoadOther();
+    SetOtherIfNotEqual( pOther->bIsSaveOnlyUsedSymbols, bVal );
+}
+
+
+void SmMathConfig::SetAutoCloseBrackets( bool bVal )
+{
+    if (!pOther)
+        LoadOther();
+    SetOtherIfNotEqual( pOther->bIsAutoCloseBrackets, bVal );
+}
+
+void SmMathConfig::SetDefaultSmSyntaxVersion( sal_Int16 nVal )
+{
+    if (!pOther)
+        LoadOther();
+    if (nVal != pOther->nSmSyntaxVersion)
+    {
+        CommitLocker aLock(*this);
+        pOther->nSmSyntaxVersion = nVal;
+        SetOtherModified( true );
+    }
+}
+
+bool SmMathConfig::IsInlineEditEnable() const
+{
+    if (utl::ConfigManager::IsFuzzing())
+        return false;
+    if (!pOther)
+        const_cast<SmMathConfig*>(this)->LoadOther();
+    return pOther->bInlineEditEnable;
+}
+
+
+void SmMathConfig::SetInlineEditEnable( bool bVal )
+{
+    if (!pOther)
+        LoadOther();
+    if (SetOtherIfNotEqual( pOther->bInlineEditEnable, bVal ))
+    {
+        // reformat (displayed) formulas accordingly
+        Broadcast(SfxHint(SfxHintId::MathFormatChanged));
+    }
+}
+
+bool SmMathConfig::IsIgnoreSpacesRight() const
+{
+    if (utl::ConfigManager::IsFuzzing())
+        return false;
+    if (!pOther)
+        const_cast<SmMathConfig*>(this)->LoadOther();
+    return pOther->bIgnoreSpacesRight;
+}
+
+
+void SmMathConfig::SetIgnoreSpacesRight( bool bVal )
+{
+    if (!pOther)
+        LoadOther();
+    if (SetOtherIfNotEqual( pOther->bIgnoreSpacesRight, bVal ))
+    {
+        // reformat (displayed) formulas accordingly
+        Broadcast(SfxHint(SfxHintId::MathFormatChanged));
+    }
+
+}
+
+
+bool SmMathConfig::IsAutoRedraw() const
+{
+    if (!pOther)
+        const_cast<SmMathConfig*>(this)->LoadOther();
+    return pOther->bAutoRedraw;
+}
+
+
+void SmMathConfig::SetAutoRedraw( bool bVal )
+{
+    if (!pOther)
+        LoadOther();
+    SetOtherIfNotEqual( pOther->bAutoRedraw, bVal );
+}
+
+
+bool SmMathConfig::IsShowFormulaCursor() const
+{
+    if (!pOther)
+        const_cast<SmMathConfig*>(this)->LoadOther();
+    return pOther->bFormulaCursor;
+}
+
+
+void SmMathConfig::SetShowFormulaCursor( bool bVal )
+{
+    if (!pOther)
+        LoadOther();
+    SetOtherIfNotEqual( pOther->bFormulaCursor, bVal );
+}
+
+void SmMathConfig::Notify( const css::uno::Sequence< OUString >& rNames )
+{
+    Clear();
+    if (std::find(rNames.begin(), rNames.end(), "Misc/IgnoreSpacesRight") != rNames.end())
+        Broadcast(SfxHint(SfxHintId::MathFormatChanged));
+}
+
+
+void SmMathConfig::ItemSetToConfig(const SfxItemSet &rSet)
+{
+    CommitLocker aLock(*this);
+
+    sal_uInt16 nU16;
+    bool bVal;
+    if (const SfxUInt16Item* pPrintSizeItem = rSet.GetItemIfSet(SID_PRINTSIZE))
+    {   nU16 = pPrintSizeItem->GetValue();
+        SetPrintSize( static_cast<SmPrintSize>(nU16) );
+    }
+    if (const SfxUInt16Item* pPrintZoomItem = rSet.GetItemIfSet(SID_PRINTZOOM))
+    {   nU16 = pPrintZoomItem->GetValue();
+        SetPrintZoomFactor( nU16 );
+    }
+    if (const SfxUInt16Item* pPrintZoomItem = rSet.GetItemIfSet(SID_SMEDITWINDOWZOOM))
+    {   nU16 = pPrintZoomItem->GetValue();
+        SetSmEditWindowZoomFactor( nU16 );
+    }
+    if (const SfxBoolItem* pPrintTitleItem = rSet.GetItemIfSet(SID_PRINTTITLE))
+    {   bVal = pPrintTitleItem->GetValue();
+        SetPrintTitle( bVal );
+    }
+    if (const SfxBoolItem* pPrintTextItem = rSet.GetItemIfSet(SID_PRINTTEXT))
+    {   bVal = pPrintTextItem->GetValue();
+        SetPrintFormulaText( bVal );
+    }
+    if (const SfxBoolItem* pPrintZoomItem = rSet.GetItemIfSet(SID_PRINTFRAME))
+    {   bVal = pPrintZoomItem->GetValue();
+        SetPrintFrame( bVal );
+    }
+    if (const SfxBoolItem* pRedrawItem = rSet.GetItemIfSet(SID_AUTOREDRAW))
+    {   bVal = pRedrawItem->GetValue();
+        SetAutoRedraw( bVal );
+    }
+    if (const SfxBoolItem* pSpacesItem = rSet.GetItemIfSet(SID_INLINE_EDIT_ENABLE))
+    {   bVal = pSpacesItem->GetValue();
+        SetInlineEditEnable( bVal );
+    }
+    if (const SfxBoolItem* pSpacesItem = rSet.GetItemIfSet(SID_NO_RIGHT_SPACES))
+    {   bVal = pSpacesItem->GetValue();
+        SetIgnoreSpacesRight( bVal );
+    }
+    if (const SfxBoolItem* pSymbolsItem = rSet.GetItemIfSet(SID_SAVE_ONLY_USED_SYMBOLS))
+    {   bVal = pSymbolsItem->GetValue();
+        SetSaveOnlyUsedSymbols( bVal );
+    }
+
+    if (const SfxBoolItem* pBracketsItem = rSet.GetItemIfSet(SID_AUTO_CLOSE_BRACKETS))
+    {
+        bVal = pBracketsItem->GetValue();
+        SetAutoCloseBrackets( bVal );
+    }
+
+    if (const SfxUInt16Item* pSyntaxItem = rSet.GetItemIfSet(SID_DEFAULT_SM_SYNTAX_VERSION))
+    {
+        nU16 = pSyntaxItem->GetValue();
+        SetDefaultSmSyntaxVersion( nU16 );
+    }
+}
+
+
+void SmMathConfig::ConfigToItemSet(SfxItemSet &rSet) const
+{
+    rSet.Put(SfxUInt16Item(SID_PRINTSIZE,
+                           sal::static_int_cast<sal_uInt16>(GetPrintSize())));
+    rSet.Put(SfxUInt16Item(SID_PRINTZOOM,
+                           GetPrintZoomFactor()));
+    rSet.Put(SfxUInt16Item(SID_SMEDITWINDOWZOOM,
+                           GetSmEditWindowZoomFactor()));
+
+    rSet.Put(SfxBoolItem(SID_PRINTTITLE, IsPrintTitle()));
+    rSet.Put(SfxBoolItem(SID_PRINTTEXT,  IsPrintFormulaText()));
+    rSet.Put(SfxBoolItem(SID_PRINTFRAME, IsPrintFrame()));
+    rSet.Put(SfxBoolItem(SID_AUTOREDRAW, IsAutoRedraw()));
+    rSet.Put(SfxBoolItem(SID_INLINE_EDIT_ENABLE, IsInlineEditEnable()));
+    rSet.Put(SfxBoolItem(SID_NO_RIGHT_SPACES, IsIgnoreSpacesRight()));
+    rSet.Put(SfxBoolItem(SID_SAVE_ONLY_USED_SYMBOLS, IsSaveOnlyUsedSymbols()));
+    rSet.Put(SfxBoolItem(SID_AUTO_CLOSE_BRACKETS, IsAutoCloseBrackets()));
+    rSet.Put(SfxBoolItem(SID_DEFAULT_SM_SYNTAX_VERSION, GetDefaultSmSyntaxVersion()));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/cursor.cxx b/starmath/source/cursor.cxx
new file mode 100644
index 0000000000..6f8e9b0af0
--- /dev/null
+++ b/starmath/source/cursor.cxx
@@ -0,0 +1,1606 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+#include <cursor.hxx>
+#include <visitors.hxx>
+#include <document.hxx>
+#include <view.hxx>
+#include <comphelper/string.hxx>
+#include <comphelper/lok.hxx>
+#include <editeng/editeng.hxx>
+#include <LibreOfficeKit/LibreOfficeKitEnums.h>
+#include <osl/diagnose.h>
+#include <sfx2/lokhelper.hxx>
+#include <vcl/transfer.hxx>
+#include <vcl/unohelp2.hxx>
+
+void SmCursor::Move(OutputDevice* pDev, SmMovementDirection direction, bool bMoveAnchor){
+    SmCaretPosGraphEntry* NewPos = nullptr;
+    switch(direction)
+    {
+        case MoveLeft:
+            if (mpPosition)
+                NewPos = mpPosition->Left;
+            OSL_ENSURE(NewPos, "NewPos shouldn't be NULL here!");
+            break;
+        case MoveRight:
+            if (mpPosition)
+                NewPos = mpPosition->Right;
+            OSL_ENSURE(NewPos, "NewPos shouldn't be NULL here!");
+            break;
+        case MoveUp:
+            //Implementation is practically identical to MoveDown, except for a single if statement
+            //so I've implemented them together and added a direction == MoveDown to the if statements.
+        case MoveDown:
+            if (mpPosition)
+            {
+                SmCaretLine from_line = SmCaretPos2LineVisitor(pDev, mpPosition->CaretPos).GetResult(),
+                            best_line,  //Best approximated line found so far
+                            curr_line;  //Current line
+                tools::Long dbp_sq = 0;        //Distance squared to best line
+                for(const auto &pEntry : *mpGraph)
+                {
+                    //Reject it if it's the current position
+                    if(pEntry->CaretPos == mpPosition->CaretPos) continue;
+                    //Compute caret line
+                    curr_line = SmCaretPos2LineVisitor(pDev, pEntry->CaretPos).GetResult();
+                    //Reject anything above if we're moving down
+                    if(curr_line.GetTop() <= from_line.GetTop() && direction == MoveDown) continue;
+                    //Reject anything below if we're moving up
+                    if(curr_line.GetTop() + curr_line.GetHeight() >= from_line.GetTop() + from_line.GetHeight()
+                            && direction == MoveUp) continue;
+                    //Compare if it to what we have, if we have anything yet
+                    if(NewPos){
+                        //Compute distance to current line squared, multiplied with a horizontal factor
+                        tools::Long dp_sq = curr_line.SquaredDistanceX(from_line) * HORIZONTICAL_DISTANCE_FACTOR +
+                                     curr_line.SquaredDistanceY(from_line);
+                        //Discard current line if best line is closer
+                        if(dbp_sq <= dp_sq) continue;
+                    }
+                    //Take current line as the best
+                    best_line = curr_line;
+                    NewPos = pEntry.get();
+                    //Update distance to best line
+                    dbp_sq = best_line.SquaredDistanceX(from_line) * HORIZONTICAL_DISTANCE_FACTOR +
+                             best_line.SquaredDistanceY(from_line);
+                }
+            }
+            break;
+        default:
+            assert(false);
+    }
+    if(NewPos){
+        mpPosition = NewPos;
+        if(bMoveAnchor)
+            mpAnchor = NewPos;
+        RequestRepaint();
+    }
+}
+
+void SmCursor::MoveTo(OutputDevice* pDev, const Point& pos, bool bMoveAnchor)
+{
+    SmCaretPosGraphEntry* NewPos = nullptr;
+    tools::Long dp_sq = 0,     //Distance to current line squared
+         dbp_sq = 1;    //Distance to best line squared
+    for(const auto &pEntry : *mpGraph)
+    {
+        OSL_ENSURE(pEntry->CaretPos.IsValid(), "The caret position graph may not have invalid positions!");
+        //Compute current line
+        SmCaretLine curr_line = SmCaretPos2LineVisitor(pDev, pEntry->CaretPos).GetResult();
+        //Compute squared distance to current line
+        dp_sq = curr_line.SquaredDistanceX(pos) + curr_line.SquaredDistanceY(pos);
+        //If we have a position compare to it
+        if(NewPos){
+            //If best line is closer, reject current line
+            if(dbp_sq <= dp_sq) continue;
+        }
+        //Accept current position as the best
+        NewPos = pEntry.get();
+        //Update distance to best line
+        dbp_sq = dp_sq;
+    }
+    if(NewPos){
+        mpPosition = NewPos;
+        if(bMoveAnchor)
+            mpAnchor = NewPos;
+        RequestRepaint();
+    }
+}
+
+void SmCursor::BuildGraph(){
+    //Save the current anchor and position
+    SmCaretPos _anchor, _position;
+    //Release mpGraph if allocated
+    if(mpGraph){
+        if(mpAnchor)
+            _anchor = mpAnchor->CaretPos;
+        if(mpPosition)
+            _position = mpPosition->CaretPos;
+        mpGraph.reset();
+        //Reset anchor and position as they point into an old graph
+        mpAnchor = nullptr;
+        mpPosition = nullptr;
+    }
+
+    //Build the new graph
+    mpGraph.reset(SmCaretPosGraphBuildingVisitor(mpTree).takeGraph());
+
+    //Restore anchor and position pointers
+    if(_anchor.IsValid() || _position.IsValid()){
+        for(const auto &pEntry : *mpGraph)
+        {
+            if(_anchor == pEntry->CaretPos)
+                mpAnchor = pEntry.get();
+            if(_position == pEntry->CaretPos)
+                mpPosition = pEntry.get();
+        }
+    }
+    //Set position and anchor to first caret position
+    auto it = mpGraph->begin();
+    assert(it != mpGraph->end());
+    if(!mpPosition)
+        mpPosition = it->get();
+    if(!mpAnchor)
+        mpAnchor = mpPosition;
+
+    assert(mpPosition);
+    assert(mpAnchor);
+    OSL_ENSURE(mpPosition->CaretPos.IsValid(), "Position must be valid");
+    OSL_ENSURE(mpAnchor->CaretPos.IsValid(), "Anchor must be valid");
+}
+
+bool SmCursor::SetCaretPosition(SmCaretPos pos){
+    for(const auto &pEntry : *mpGraph)
+    {
+        if(pEntry->CaretPos == pos)
+        {
+            mpPosition = pEntry.get();
+            mpAnchor = pEntry.get();
+            return true;
+        }
+    }
+    return false;
+}
+
+void SmCursor::AnnotateSelection() const {
+    //TODO: Manage a state, reset it upon modification and optimize this call
+    SmSetSelectionVisitor(mpAnchor->CaretPos, mpPosition->CaretPos, mpTree);
+}
+
+void SmCursor::Draw(OutputDevice& pDev, Point Offset, bool isCaretVisible){
+    SmCaretDrawingVisitor(pDev, GetPosition(), Offset, isCaretVisible);
+}
+
+tools::Rectangle SmCursor::GetCaretRectangle(OutputDevice& rOutDev) const
+{
+    return SmCaretRectanglesVisitor(rOutDev, GetPosition()).getCaret();
+}
+
+tools::Rectangle SmCursor::GetSelectionRectangle(OutputDevice& rOutDev) const
+{
+    AnnotateSelection();
+    return SmSelectionRectanglesVisitor(rOutDev, mpTree).GetSelection();
+}
+
+void SmCursor::DeletePrev(OutputDevice* pDev){
+    //Delete only a selection if there's a selection
+    if(HasSelection()){
+        Delete();
+        return;
+    }
+
+    SmNode* pLine = FindTopMostNodeInLine(mpPosition->CaretPos.pSelectedNode);
+    SmStructureNode* pLineParent = pLine->GetParent();
+    int nLineOffsetIdx = pLineParent->IndexOfSubNode(pLine);
+    assert(nLineOffsetIdx >= 0);
+
+    //If we're in front of a node who's parent is a TABLE
+    if (pLineParent->GetType() == SmNodeType::Table && mpPosition->CaretPos.nIndex == 0 && nLineOffsetIdx > 0)
+    {
+        size_t nLineOffset = nLineOffsetIdx;
+        //Now we can merge with nLineOffset - 1
+        BeginEdit();
+        //Line to merge things into, so we can delete pLine
+        SmNode* pMergeLine = pLineParent->GetSubNode(nLineOffset-1);
+        OSL_ENSURE(pMergeLine, "pMergeLine cannot be NULL!");
+        SmCaretPos PosAfterDelete;
+        //Convert first line to list
+        std::unique_ptr<SmNodeList> pLineList(new SmNodeList);
+        NodeToList(pMergeLine, *pLineList);
+        if(!pLineList->empty()){
+            //Find iterator to patch
+            SmNodeList::iterator patchPoint = pLineList->end();
+            --patchPoint;
+            //Convert second line to list
+            NodeToList(pLine, *pLineList);
+            //Patch the line list
+            ++patchPoint;
+            PosAfterDelete = PatchLineList(pLineList.get(), patchPoint);
+            //Parse the line
+            pLine = SmNodeListParser().Parse(pLineList.get());
+        }
+        pLineList.reset();
+        pLineParent->SetSubNode(nLineOffset-1, pLine);
+        //Delete the removed line slot
+        SmNodeArray lines(pLineParent->GetNumSubNodes()-1);
+        for (size_t i = 0; i < pLineParent->GetNumSubNodes(); ++i)
+        {
+            if(i < nLineOffset)
+                lines[i] = pLineParent->GetSubNode(i);
+            else if(i > nLineOffset)
+                lines[i-1] = pLineParent->GetSubNode(i);
+        }
+        pLineParent->SetSubNodes(std::move(lines));
+        //Rebuild graph
+        mpAnchor = nullptr;
+        mpPosition = nullptr;
+        BuildGraph();
+        AnnotateSelection();
+        //Set caret position
+        if(!SetCaretPosition(PosAfterDelete))
+            SetCaretPosition(SmCaretPos(pLine, 0));
+        //Finish editing
+        EndEdit();
+
+    //TODO: If we're in an empty (sub/super/*) script
+    /*}else if(pLineParent->GetType() == SmNodeType::SubSup &&
+             nLineOffset != 0 &&
+             pLine->GetType() == SmNodeType::Expression &&
+             pLine->GetNumSubNodes() == 0){
+        //There's a (sub/super) script we can delete
+    //Consider selecting the entire script if GetNumSubNodes() != 0 or pLine->GetType() != SmNodeType::Expression
+    //TODO: Handle case where we delete a limit
+    */
+
+    //Else move select, and delete if not complex
+    }else{
+        Move(pDev, MoveLeft, false);
+        if(!HasComplexSelection())
+            Delete();
+    }
+}
+
+void SmCursor::Delete(){
+    //Return if we don't have a selection to delete
+    if(!HasSelection())
+        return;
+
+    //Enter edit section
+    BeginEdit();
+
+    //Set selected on nodes
+    AnnotateSelection();
+
+    //Find an arbitrary selected node
+    SmNode* pSNode = FindSelectedNode(mpTree);
+    assert(pSNode);
+
+    //Find the topmost node of the line that holds the selection
+    SmNode* pLine = FindTopMostNodeInLine(pSNode, true);
+    OSL_ENSURE(pLine != mpTree, "Shouldn't be able to select the entire tree");
+
+    //Get the parent of the line
+    SmStructureNode* pLineParent = pLine->GetParent();
+    //Find line offset in parent
+    int nLineOffset = pLineParent->IndexOfSubNode(pLine);
+    assert(nLineOffset >= 0);
+
+    //Position after delete
+    SmCaretPos PosAfterDelete;
+
+    std::unique_ptr<SmNodeList> pLineList(new SmNodeList);
+    NodeToList(pLine, *pLineList);
+
+    //Take the selected nodes and delete them...
+    SmNodeList::iterator patchIt = TakeSelectedNodesFromList(pLineList.get());
+
+    //Get the position to set after delete
+    PosAfterDelete = PatchLineList(pLineList.get(), patchIt);
+
+    //Finish editing
+    FinishEdit(std::move(pLineList), pLineParent, nLineOffset, PosAfterDelete);
+}
+
+void SmCursor::InsertNodes(std::unique_ptr<SmNodeList> pNewNodes){
+    if(pNewNodes->empty()){
+        return;
+    }
+
+    //Begin edit section
+    BeginEdit();
+
+    //Get the current position
+    const SmCaretPos pos = mpPosition->CaretPos;
+
+    //Find top most of line that holds position
+    SmNode* pLine = FindTopMostNodeInLine(pos.pSelectedNode);
+    const bool bSelectedIsTopMost = pLine == pos.pSelectedNode;
+
+    //Find line parent and line index in parent
+    SmStructureNode* pLineParent = pLine->GetParent();
+    int nParentIndex = pLineParent->IndexOfSubNode(pLine);
+    assert(nParentIndex >= 0);
+
+    //Convert line to list
+    std::unique_ptr<SmNodeList> pLineList(new SmNodeList);
+    NodeToList(pLine, *pLineList); // deletes pLine, potentially deleting pos.pSelectedNode
+
+    //Find iterator for place to insert nodes
+    SmNodeList::iterator it = bSelectedIsTopMost ? pLineList->begin()
+                                                 : FindPositionInLineList(pLineList.get(), pos);
+
+    //Insert all new nodes
+    SmNodeList::iterator newIt,
+                         patchIt = it, // (pointless default value, fixes compiler warnings)
+                         insIt;
+    for(newIt = pNewNodes->begin(); newIt != pNewNodes->end(); ++newIt){
+        insIt = pLineList->insert(it, *newIt);
+        if(newIt == pNewNodes->begin())
+            patchIt = insIt;
+    }
+    //Patch the places we've changed stuff
+    PatchLineList(pLineList.get(), patchIt);
+    SmCaretPos PosAfterInsert = PatchLineList(pLineList.get(), it);
+    //Release list, we've taken the nodes
+    pNewNodes.reset();
+
+    //Finish editing
+    FinishEdit(std::move(pLineList), pLineParent, nParentIndex, PosAfterInsert);
+}
+
+SmNodeList::iterator SmCursor::FindPositionInLineList(SmNodeList* pLineList,
+                                                      const SmCaretPos& rCaretPos)
+{
+    //Find iterator for position
+    SmNodeList::iterator it = std::find(pLineList->begin(), pLineList->end(), rCaretPos.pSelectedNode);
+    if (it != pLineList->end())
+    {
+        if((*it)->GetType() == SmNodeType::Text)
+        {
+            //Split textnode if needed
+            if(rCaretPos.nIndex > 0)
+            {
+                SmTextNode* pText = static_cast<SmTextNode*>(rCaretPos.pSelectedNode);
+                if (rCaretPos.nIndex == pText->GetText().getLength())
+                    return ++it;
+                OUString str1 = pText->GetText().copy(0, rCaretPos.nIndex);
+                OUString str2 = pText->GetText().copy(rCaretPos.nIndex);
+                pText->ChangeText(str1);
+                ++it;
+                //Insert str2 as new text node
+                assert(!str2.isEmpty());
+                SmTextNode* pNewText = new SmTextNode(pText->GetToken(), pText->GetFontDesc());
+                pNewText->ChangeText(str2);
+                it = pLineList->insert(it, pNewText);
+            }
+        }else
+            ++it;
+        //it now pointer to the node following pos, so pLineList->insert(it, ...) will insert correctly
+        return it;
+    }
+    //If we didn't find pSelectedNode, it must be because the caret is in front of the line
+    return pLineList->begin();
+}
+
+SmCaretPos SmCursor::PatchLineList(SmNodeList* pLineList, SmNodeList::iterator aIter) {
+    //The nodes we should consider merging
+    SmNode *prev = nullptr,
+           *next = nullptr;
+    if(aIter != pLineList->end())
+        next = *aIter;
+    if(aIter != pLineList->begin()) {
+        --aIter;
+        prev = *aIter;
+        ++aIter;
+    }
+
+    //Check if there's textnodes to merge
+    if( prev &&
+        next &&
+        prev->GetType() == SmNodeType::Text &&
+        next->GetType() == SmNodeType::Text &&
+        ( prev->GetToken().eType != TNUMBER ||
+          next->GetToken().eType == TNUMBER) ){
+        SmTextNode *pText = static_cast<SmTextNode*>(prev),
+                   *pOldN = static_cast<SmTextNode*>(next);
+        SmCaretPos retval(pText, pText->GetText().getLength());
+        OUString newText = pText->GetText() + pOldN->GetText();
+        pText->ChangeText(newText);
+        delete pOldN;
+        pLineList->erase(aIter);
+        return retval;
+    }
+
+    //Check if there's a SmPlaceNode to remove:
+    if(prev && next && prev->GetType() == SmNodeType::Place && !SmNodeListParser::IsOperator(next->GetToken())){
+        --aIter;
+        aIter = pLineList->erase(aIter);
+        delete prev;
+        //Return caret pos in front of aIter
+        if(aIter != pLineList->begin())
+            --aIter; //Thus find node before aIter
+        if(aIter == pLineList->begin())
+            return SmCaretPos();
+        return SmCaretPos::GetPosAfter(*aIter);
+    }
+    if(prev && next && next->GetType() == SmNodeType::Place && !SmNodeListParser::IsOperator(prev->GetToken())){
+        aIter = pLineList->erase(aIter);
+        delete next;
+        return SmCaretPos::GetPosAfter(prev);
+    }
+
+    //If we didn't do anything return
+    if(!prev) //return an invalid to indicate we're in front of line
+        return SmCaretPos();
+    return SmCaretPos::GetPosAfter(prev);
+}
+
+SmNodeList::iterator SmCursor::TakeSelectedNodesFromList(SmNodeList *pLineList,
+                                                         SmNodeList *pSelectedNodes) {
+    SmNodeList::iterator retval;
+    SmNodeList::iterator it = pLineList->begin();
+    while(it != pLineList->end()){
+        if((*it)->IsSelected()){
+            //Split text nodes
+            if((*it)->GetType() == SmNodeType::Text) {
+                SmTextNode* pText = static_cast<SmTextNode*>(*it);
+                OUString aText = pText->GetText();
+                //Start and lengths of the segments, 2 is the selected segment
+                int start2 = pText->GetSelectionStart(),
+                    start3 = pText->GetSelectionEnd(),
+                    len1 = start2 - 0,
+                    len2 = start3 - start2,
+                    len3 = aText.getLength() - start3;
+                SmToken aToken = pText->GetToken();
+                sal_uInt16 eFontDesc = pText->GetFontDesc();
+                //If we need make segment 1
+                if(len1 > 0) {
+                    OUString str = aText.copy(0, len1);
+                    pText->ChangeText(str);
+                    ++it;
+                } else {//Remove it if not needed
+                    it = pLineList->erase(it);
+                    delete pText;
+                }
+                //Set retval to be right after the selection
+                retval = it;
+                //if we need make segment 3
+                if(len3 > 0) {
+                    OUString str = aText.copy(start3, len3);
+                    SmTextNode* pSeg3 = new SmTextNode(aToken, eFontDesc);
+                    pSeg3->ChangeText(str);
+                    retval = pLineList->insert(it, pSeg3);
+                }
+                //If we need to save the selected text
+                if(pSelectedNodes && len2 > 0) {
+                    OUString str = aText.copy(start2, len2);
+                    SmTextNode* pSeg2 = new SmTextNode(aToken, eFontDesc);
+                    pSeg2->ChangeText(str);
+                    pSelectedNodes->push_back(pSeg2);
+                }
+            } else { //if it's not textnode
+                SmNode* pNode = *it;
+                retval = it = pLineList->erase(it);
+                if(pSelectedNodes)
+                    pSelectedNodes->push_back(pNode);
+                else
+                    delete pNode;
+            }
+        } else
+            ++it;
+    }
+    return retval;
+}
+
+void SmCursor::InsertSubSup(SmSubSup eSubSup) {
+    AnnotateSelection();
+
+    //Find line
+    SmNode *pLine;
+    if(HasSelection()) {
+        SmNode *pSNode = FindSelectedNode(mpTree);
+        assert(pSNode);
+        pLine = FindTopMostNodeInLine(pSNode, true);
+    } else
+        pLine = FindTopMostNodeInLine(mpPosition->CaretPos.pSelectedNode);
+
+    //Find Parent and offset in parent
+    SmStructureNode *pLineParent = pLine->GetParent();
+    int nParentIndex = pLineParent->IndexOfSubNode(pLine);
+    assert(nParentIndex >= 0);
+
+    //TODO: Consider handling special cases where parent is an SmOperNode,
+    //      Maybe this method should be able to add limits to an SmOperNode...
+
+    //We begin modifying the tree here
+    BeginEdit();
+
+    //Convert line to list
+    std::unique_ptr<SmNodeList> pLineList(new SmNodeList);
+    NodeToList(pLine, *pLineList);
+
+    //Take the selection, and/or find iterator for current position
+    std::unique_ptr<SmNodeList> pSelectedNodesList(new SmNodeList);
+    SmNodeList::iterator it;
+    if(HasSelection())
+        it = TakeSelectedNodesFromList(pLineList.get(), pSelectedNodesList.get());
+    else
+        it = FindPositionInLineList(pLineList.get(), mpPosition->CaretPos);
+
+    //Find node that this should be applied to
+    SmNode* pSubject;
+    bool bPatchLine = !pSelectedNodesList->empty(); //If the line should be patched later
+    if(it != pLineList->begin()) {
+        --it;
+        pSubject = *it;
+        ++it;
+    } else {
+        //Create a new place node
+        pSubject = new SmPlaceNode();
+        pSubject->Prepare(mpDocShell->GetFormat(), *mpDocShell, 0);
+        it = pLineList->insert(it, pSubject);
+        ++it;
+        bPatchLine = true;  //We've modified the line it should be patched later.
+    }
+
+    //Wrap the subject in a SmSubSupNode
+    SmSubSupNode* pSubSup;
+    if(pSubject->GetType() != SmNodeType::SubSup){
+        SmToken token;
+        token.nGroup = TG::Power;
+        pSubSup = new SmSubSupNode(token);
+        pSubSup->SetBody(pSubject);
+        *(--it) = pSubSup;
+        ++it;
+    }else
+        pSubSup = static_cast<SmSubSupNode*>(pSubject);
+    //pSubject shouldn't be referenced anymore, pSubSup is the SmSubSupNode in pLineList we wish to edit.
+    //and it pointer to the element following pSubSup in pLineList.
+    pSubject = nullptr;
+
+    //Patch the line if we noted that was needed previously
+    if(bPatchLine)
+        PatchLineList(pLineList.get(), it);
+
+    //Convert existing, if any, sub-/superscript line to list
+    SmNode *pScriptLine = pSubSup->GetSubSup(eSubSup);
+    std::unique_ptr<SmNodeList> pScriptLineList(new SmNodeList);
+    NodeToList(pScriptLine, *pScriptLineList);
+
+    //Add selection to pScriptLineList
+    unsigned int nOldSize = pScriptLineList->size();
+    pScriptLineList->insert(pScriptLineList->end(), pSelectedNodesList->begin(), pSelectedNodesList->end());
+    pSelectedNodesList.reset();
+
+    //Patch pScriptLineList if needed
+    if(0 < nOldSize && nOldSize < pScriptLineList->size()) {
+        SmNodeList::iterator iPatchPoint = pScriptLineList->begin();
+        std::advance(iPatchPoint, nOldSize);
+        PatchLineList(pScriptLineList.get(), iPatchPoint);
+    }
+
+    //Find caret pos, that should be used after sub-/superscription.
+    SmCaretPos PosAfterScript; //Leave invalid for first position
+    if (!pScriptLineList->empty())
+        PosAfterScript = SmCaretPos::GetPosAfter(pScriptLineList->back());
+
+    //Parse pScriptLineList
+    pScriptLine = SmNodeListParser().Parse(pScriptLineList.get());
+    pScriptLineList.reset();
+
+    //Insert pScriptLine back into the tree
+    pSubSup->SetSubSup(eSubSup, pScriptLine);
+
+    //Finish editing
+    FinishEdit(std::move(pLineList), pLineParent, nParentIndex, PosAfterScript, pScriptLine);
+}
+
+void SmCursor::InsertBrackets(SmBracketType eBracketType) {
+    BeginEdit();
+
+    AnnotateSelection();
+
+    //Find line
+    SmNode *pLine;
+    if(HasSelection()) {
+        SmNode *pSNode = FindSelectedNode(mpTree);
+        assert(pSNode);
+        pLine = FindTopMostNodeInLine(pSNode, true);
+    } else
+        pLine = FindTopMostNodeInLine(mpPosition->CaretPos.pSelectedNode);
+
+    //Find parent and offset in parent
+    SmStructureNode *pLineParent = pLine->GetParent();
+    int nParentIndex = pLineParent->IndexOfSubNode(pLine);
+    assert(nParentIndex >= 0);
+
+    //Convert line to list
+    std::unique_ptr<SmNodeList> pLineList(new SmNodeList);
+    NodeToList(pLine, *pLineList);
+
+    //Take the selection, and/or find iterator for current position
+    std::unique_ptr<SmNodeList> pSelectedNodesList(new SmNodeList);
+    SmNodeList::iterator it;
+    if(HasSelection())
+        it = TakeSelectedNodesFromList(pLineList.get(), pSelectedNodesList.get());
+    else
+        it = FindPositionInLineList(pLineList.get(), mpPosition->CaretPos);
+
+    //If there's no selected nodes, create a place node
+    std::unique_ptr<SmNode> pBodyNode;
+    SmCaretPos PosAfterInsert;
+    if(pSelectedNodesList->empty()) {
+        pBodyNode.reset(new SmPlaceNode());
+        PosAfterInsert = SmCaretPos(pBodyNode.get(), 1);
+    } else
+        pBodyNode.reset(SmNodeListParser().Parse(pSelectedNodesList.get()));
+
+    pSelectedNodesList.reset();
+
+    //Create SmBraceNode
+    SmToken aTok(TLEFT, '\0', "left", TG::NONE, 5);
+    SmBraceNode *pBrace = new SmBraceNode(aTok);
+    pBrace->SetScaleMode(SmScaleMode::Height);
+    std::unique_ptr<SmNode> pLeft( CreateBracket(eBracketType, true) ),
+                            pRight( CreateBracket(eBracketType, false) );
+    std::unique_ptr<SmBracebodyNode> pBody(new SmBracebodyNode(SmToken()));
+    pBody->SetSubNodes(std::move(pBodyNode), nullptr);
+    pBrace->SetSubNodes(std::move(pLeft), std::move(pBody), std::move(pRight));
+    pBrace->Prepare(mpDocShell->GetFormat(), *mpDocShell, 0);
+
+    //Insert into line
+    pLineList->insert(it, pBrace);
+    //Patch line (I think this is good enough)
+    SmCaretPos aAfter = PatchLineList(pLineList.get(), it);
+    if( !PosAfterInsert.IsValid() )
+        PosAfterInsert = aAfter;
+
+    //Finish editing
+    FinishEdit(std::move(pLineList), pLineParent, nParentIndex, PosAfterInsert);
+}
+
+SmNode *SmCursor::CreateBracket(SmBracketType eBracketType, bool bIsLeft) {
+    SmToken aTok;
+    if(bIsLeft){
+        switch(eBracketType){
+            case SmBracketType::Round:
+                aTok = SmToken(TLPARENT, MS_LPARENT, "(", TG::LBrace, 5);
+                break;
+            case SmBracketType::Square:
+                aTok = SmToken(TLBRACKET, MS_LBRACKET, "[", TG::LBrace, 5);
+                break;
+            case SmBracketType::Curly:
+                aTok = SmToken(TLBRACE, MS_LBRACE, "lbrace", TG::LBrace, 5);
+                break;
+        }
+    } else {
+        switch(eBracketType) {
+            case SmBracketType::Round:
+                aTok = SmToken(TRPARENT, MS_RPARENT, ")", TG::RBrace, 5);
+                break;
+            case SmBracketType::Square:
+                aTok = SmToken(TRBRACKET, MS_RBRACKET, "]", TG::RBrace, 5);
+                break;
+            case SmBracketType::Curly:
+                aTok = SmToken(TRBRACE, MS_RBRACE, "rbrace", TG::RBrace, 5);
+                break;
+        }
+    }
+    SmNode* pRetVal = new SmMathSymbolNode(aTok);
+    pRetVal->SetScaleMode(SmScaleMode::Height);
+    return pRetVal;
+}
+
+bool SmCursor::InsertRow() {
+    AnnotateSelection();
+
+    //Find line
+    SmNode *pLine;
+    if(HasSelection()) {
+        SmNode *pSNode = FindSelectedNode(mpTree);
+        assert(pSNode);
+        pLine = FindTopMostNodeInLine(pSNode, true);
+    } else
+        pLine = FindTopMostNodeInLine(mpPosition->CaretPos.pSelectedNode);
+
+    //Find parent and offset in parent
+    SmStructureNode *pLineParent = pLine->GetParent();
+    int nParentIndex = pLineParent->IndexOfSubNode(pLine);
+    assert(nParentIndex >= 0);
+
+    //Discover the context of this command
+    SmTableNode  *pTable  = nullptr;
+    SmMatrixNode *pMatrix = nullptr;
+    int nTableIndex = nParentIndex;
+    if(pLineParent->GetType() == SmNodeType::Table)
+        pTable = static_cast<SmTableNode*>(pLineParent);
+    //If it's wrapped in a SmLineNode, we can still insert a newline
+    else if(pLineParent->GetType() == SmNodeType::Line &&
+            pLineParent->GetParent() &&
+            pLineParent->GetParent()->GetType() == SmNodeType::Table) {
+        //NOTE: This hack might give problems if we stop ignoring SmAlignNode
+        pTable = static_cast<SmTableNode*>(pLineParent->GetParent());
+        nTableIndex = pTable->IndexOfSubNode(pLineParent);
+        assert(nTableIndex >= 0);
+    }
+    if(pLineParent->GetType() == SmNodeType::Matrix)
+        pMatrix = static_cast<SmMatrixNode*>(pLineParent);
+
+    //If we're not in a context that supports InsertRow, return sal_False
+    if(!pTable && !pMatrix)
+        return false;
+
+    //Now we start editing
+    BeginEdit();
+
+    //Convert line to list
+    std::unique_ptr<SmNodeList> pLineList(new SmNodeList);
+    NodeToList(pLine, *pLineList);
+
+    //Find position in line
+    SmNodeList::iterator it;
+    if(HasSelection()) {
+        //Take the selected nodes and delete them...
+        it = TakeSelectedNodesFromList(pLineList.get());
+    } else
+        it = FindPositionInLineList(pLineList.get(), mpPosition->CaretPos);
+
+    //New caret position after inserting the newline/row in whatever context
+    SmCaretPos PosAfterInsert;
+
+    //If we're in the context of a table
+    if(pTable) {
+        std::unique_ptr<SmNodeList> pNewLineList(new SmNodeList);
+        //Move elements from pLineList to pNewLineList
+        SmNodeList& rLineList = *pLineList;
+        pNewLineList->splice(pNewLineList->begin(), rLineList, it, rLineList.end());
+        //Make sure it is valid again
+        it = pLineList->end();
+        if(it != pLineList->begin())
+            --it;
+        if(pNewLineList->empty())
+            pNewLineList->push_front(new SmPlaceNode());
+        //Parse new line
+        std::unique_ptr<SmNode> pNewLine(SmNodeListParser().Parse(pNewLineList.get()));
+        pNewLineList.reset();
+        //Wrap pNewLine in SmLineNode if needed
+        if(pLineParent->GetType() == SmNodeType::Line) {
+            std::unique_ptr<SmLineNode> pNewLineNode(new SmLineNode(SmToken(TNEWLINE, '\0', "newline")));
+            pNewLineNode->SetSubNodes(std::move(pNewLine), nullptr);
+            pNewLine = std::move(pNewLineNode);
+        }
+        //Get position
+        PosAfterInsert = SmCaretPos(pNewLine.get(), 0);
+        //Move other nodes if needed
+        for( int i = pTable->GetNumSubNodes(); i > nTableIndex + 1; i--)
+            pTable->SetSubNode(i, pTable->GetSubNode(i-1));
+
+        //Insert new line
+        pTable->SetSubNode(nTableIndex + 1, pNewLine.release());
+
+        //Check if we need to change token type:
+        if(pTable->GetNumSubNodes() > 2 && pTable->GetToken().eType == TBINOM) {
+            SmToken tok = pTable->GetToken();
+            tok.eType = TSTACK;
+            pTable->SetToken(tok);
+        }
+    }
+    //If we're in the context of a matrix
+    else {
+        //Find position after insert and patch the list
+        PosAfterInsert = PatchLineList(pLineList.get(), it);
+        //Move other children
+        sal_uInt16 rows = pMatrix->GetNumRows();
+        sal_uInt16 cols = pMatrix->GetNumCols();
+        int nRowStart = (nParentIndex - nParentIndex % cols) + cols;
+        for( int i = pMatrix->GetNumSubNodes() + cols - 1; i >= nRowStart + cols; i--)
+            pMatrix->SetSubNode(i, pMatrix->GetSubNode(i - cols));
+        for( int i = nRowStart; i < nRowStart + cols; i++) {
+            SmPlaceNode *pNewLine = new SmPlaceNode();
+            if(i == nParentIndex + cols)
+                PosAfterInsert = SmCaretPos(pNewLine, 0);
+            pMatrix->SetSubNode(i, pNewLine);
+        }
+        pMatrix->SetRowCol(rows + 1, cols);
+    }
+
+    //Finish editing
+    FinishEdit(std::move(pLineList), pLineParent, nParentIndex, PosAfterInsert);
+    //FinishEdit is actually used to handle situations where parent is an instance of
+    //SmSubSupNode. In this case parent should always be a table or matrix, however, for
+    //code reuse we just use FinishEdit() here too.
+    return true;
+}
+
+void SmCursor::InsertFraction() {
+    AnnotateSelection();
+
+    //Find line
+    SmNode *pLine;
+    if(HasSelection()) {
+        SmNode *pSNode = FindSelectedNode(mpTree);
+        assert(pSNode);
+        pLine = FindTopMostNodeInLine(pSNode, true);
+    } else
+        pLine = FindTopMostNodeInLine(mpPosition->CaretPos.pSelectedNode);
+
+    //Find Parent and offset in parent
+    SmStructureNode *pLineParent = pLine->GetParent();
+    int nParentIndex = pLineParent->IndexOfSubNode(pLine);
+    assert(nParentIndex >= 0);
+
+    //We begin modifying the tree here
+    BeginEdit();
+
+    //Convert line to list
+    std::unique_ptr<SmNodeList> pLineList(new SmNodeList);
+    NodeToList(pLine, *pLineList);
+
+    //Take the selection, and/or find iterator for current position
+    std::unique_ptr<SmNodeList> pSelectedNodesList(new SmNodeList);
+    SmNodeList::iterator it;
+    if(HasSelection())
+        it = TakeSelectedNodesFromList(pLineList.get(), pSelectedNodesList.get());
+    else
+        it = FindPositionInLineList(pLineList.get(), mpPosition->CaretPos);
+
+    //Create pNum, and pDenom
+    bool bEmptyFraction = pSelectedNodesList->empty();
+    std::unique_ptr<SmNode> pNum( bEmptyFraction
+        ? new SmPlaceNode()
+        : SmNodeListParser().Parse(pSelectedNodesList.get()) );
+    std::unique_ptr<SmNode> pDenom(new SmPlaceNode());
+    pSelectedNodesList.reset();
+
+    //Create new fraction
+    SmBinVerNode *pFrac = new SmBinVerNode(SmToken(TOVER, '\0', "over", TG::Product, 0));
+    std::unique_ptr<SmNode> pRect(new SmRectangleNode(SmToken()));
+    pFrac->SetSubNodes(std::move(pNum), std::move(pRect), std::move(pDenom));
+
+    //Insert in pLineList
+    SmNodeList::iterator patchIt = pLineList->insert(it, pFrac);
+    PatchLineList(pLineList.get(), patchIt);
+    PatchLineList(pLineList.get(), it);
+
+    //Finish editing
+    SmNode *pSelectedNode = bEmptyFraction ? pFrac->GetSubNode(0) : pFrac->GetSubNode(2);
+    FinishEdit(std::move(pLineList), pLineParent, nParentIndex, SmCaretPos(pSelectedNode, 1));
+}
+
+void SmCursor::InsertText(const OUString& aString)
+{
+    BeginEdit();
+
+    Delete();
+
+    SmToken token;
+    token.eType = TIDENT;
+    token.cMathChar = u""_ustr;
+    token.nGroup = TG::NONE;
+    token.nLevel = 5;
+    token.aText = aString;
+
+    SmTextNode* pText = new SmTextNode(token, FNT_VARIABLE);
+    pText->SetText(aString);
+    pText->AdjustFontDesc();
+    pText->Prepare(mpDocShell->GetFormat(), *mpDocShell, 0);
+
+    std::unique_ptr<SmNodeList> pList(new SmNodeList);
+    pList->push_front(pText);
+    InsertNodes(std::move(pList));
+
+    EndEdit();
+}
+
+void SmCursor::InsertElement(SmFormulaElement element){
+    BeginEdit();
+
+    Delete();
+
+    //Create new node
+    SmNode* pNewNode = nullptr;
+    switch(element){
+        case BlankElement:
+        {
+            SmToken token;
+            token.eType = TBLANK;
+            token.nGroup = TG::Blank;
+            token.aText = "~";
+            SmBlankNode* pBlankNode = new SmBlankNode(token);
+            pBlankNode->IncreaseBy(token);
+            pNewNode = pBlankNode;
+        }break;
+        case FactorialElement:
+        {
+            SmToken token(TFACT, MS_FACT, "fact", TG::UnOper, 5);
+            pNewNode = new SmMathSymbolNode(token);
+        }break;
+        case PlusElement:
+        {
+            SmToken token;
+            token.eType = TPLUS;
+            token.setChar(MS_PLUS);
+            token.nGroup = TG::UnOper | TG::Sum;
+            token.nLevel = 5;
+            token.aText = "+";
+            pNewNode = new SmMathSymbolNode(token);
+        }break;
+        case MinusElement:
+        {
+            SmToken token;
+            token.eType = TMINUS;
+            token.setChar(MS_MINUS);
+            token.nGroup = TG::UnOper | TG::Sum;
+            token.nLevel = 5;
+            token.aText = "-";
+            pNewNode = new SmMathSymbolNode(token);
+        }break;
+        case CDotElement:
+        {
+            SmToken token;
+            token.eType = TCDOT;
+            token.setChar(MS_CDOT);
+            token.nGroup = TG::Product;
+            token.aText = "cdot";
+            pNewNode = new SmMathSymbolNode(token);
+        }break;
+        case EqualElement:
+        {
+            SmToken token;
+            token.eType = TASSIGN;
+            token.setChar(MS_ASSIGN);
+            token.nGroup = TG::Relation;
+            token.aText = "=";
+            pNewNode = new SmMathSymbolNode(token);
+        }break;
+        case LessThanElement:
+        {
+            SmToken token;
+            token.eType = TLT;
+            token.setChar(MS_LT);
+            token.nGroup = TG::Relation;
+            token.aText = "<";
+            pNewNode = new SmMathSymbolNode(token);
+        }break;
+        case GreaterThanElement:
+        {
+            SmToken token;
+            token.eType = TGT;
+            token.setChar(MS_GT);
+            token.nGroup = TG::Relation;
+            token.aText = ">";
+            pNewNode = new SmMathSymbolNode(token);
+        }break;
+        case PercentElement:
+        {
+            SmToken token;
+            token.eType = TTEXT;
+            token.setChar(MS_PERCENT);
+            token.nGroup = TG::NONE;
+            token.aText = "\"%\"";
+            pNewNode = new SmMathSymbolNode(token);
+        }break;
+    }
+    assert(pNewNode);
+
+    //Prepare the new node
+    pNewNode->Prepare(mpDocShell->GetFormat(), *mpDocShell, 0);
+
+    //Insert new node
+    std::unique_ptr<SmNodeList> pList(new SmNodeList);
+    pList->push_front(pNewNode);
+    InsertNodes(std::move(pList));
+
+    EndEdit();
+}
+
+void SmCursor::InsertSpecial(std::u16string_view _aString)
+{
+    BeginEdit();
+    Delete();
+
+    OUString aString( comphelper::string::strip(_aString, ' ') );
+
+    //Create instance of special node
+    SmToken token;
+    token.eType = TSPECIAL;
+    token.cMathChar = u""_ustr;
+    token.nGroup = TG::NONE;
+    token.nLevel = 5;
+    token.aText = aString;
+    SmSpecialNode* pSpecial = new SmSpecialNode(token);
+
+    //Prepare the special node
+    pSpecial->Prepare(mpDocShell->GetFormat(), *mpDocShell, 0);
+
+    //Insert the node
+    std::unique_ptr<SmNodeList> pList(new SmNodeList);
+    pList->push_front(pSpecial);
+    InsertNodes(std::move(pList));
+
+    EndEdit();
+}
+
+void SmCursor::InsertCommandText(const OUString& aCommandText) {
+    //Parse the sub expression
+    auto xSubExpr = mpDocShell->GetParser()->ParseExpression(aCommandText);
+
+    //Prepare the subtree
+    xSubExpr->Prepare(mpDocShell->GetFormat(), *mpDocShell, 0);
+
+    //Convert subtree to list
+    SmNode* pSubExpr = xSubExpr.release();
+    std::unique_ptr<SmNodeList> pLineList(new SmNodeList);
+    NodeToList(pSubExpr, *pLineList);
+
+    BeginEdit();
+
+    //Delete any selection
+    Delete();
+
+    //Insert it
+    InsertNodes(std::move(pLineList));
+
+    EndEdit();
+}
+
+void SmCursor::Copy(vcl::Window* pWindow)
+{
+    if(!HasSelection())
+        return;
+
+    AnnotateSelection();
+    //Find selected node
+    SmNode* pSNode = FindSelectedNode(mpTree);
+    assert(pSNode);
+    //Find visual line
+    SmNode* pLine = FindTopMostNodeInLine(pSNode, true);
+    assert(pLine);
+
+    //Clone selected nodes
+    // TODO: Simplify all this cloning since we only need a formula string now.
+    SmClipboard aClipboard;
+    if(IsLineCompositionNode(pLine))
+        CloneLineToClipboard(static_cast<SmStructureNode*>(pLine), &aClipboard);
+    else{
+        //Special care to only clone selected text
+        if(pLine->GetType() == SmNodeType::Text) {
+            SmTextNode *pText = static_cast<SmTextNode*>(pLine);
+            std::unique_ptr<SmTextNode> pClone(new SmTextNode( pText->GetToken(), pText->GetFontDesc() ));
+            int start  = pText->GetSelectionStart(),
+                length = pText->GetSelectionEnd() - pText->GetSelectionStart();
+            pClone->ChangeText(pText->GetText().copy(start, length));
+            pClone->SetScaleMode(pText->GetScaleMode());
+            aClipboard.push_front(std::move(pClone));
+        } else {
+            SmCloningVisitor aCloneFactory;
+            aClipboard.push_front(std::unique_ptr<SmNode>(aCloneFactory.Clone(pLine)));
+        }
+    }
+
+    // Parse list of nodes to a tree
+    SmNodeListParser parser;
+    SmNode* pTree(parser.Parse(CloneList(aClipboard).get()));
+
+    // Parse the tree to a string
+    OUString aString;
+    SmNodeToTextVisitor(pTree, aString);
+
+    //Set clipboard
+    auto xClipboard(pWindow ? pWindow->GetClipboard() : GetSystemClipboard());
+    vcl::unohelper::TextDataObject::CopyStringTo(aString, xClipboard);
+}
+
+void SmCursor::Paste(vcl::Window* pWindow)
+{
+    BeginEdit();
+    Delete();
+
+    auto xClipboard(pWindow ? pWindow->GetClipboard() : GetSystemClipboard());
+    auto aDataHelper(TransferableDataHelper::CreateFromClipboard(xClipboard));
+    if (aDataHelper.GetTransferable().is())
+    {
+        // TODO: Support MATHML
+        auto nId = SotClipboardFormatId::STRING;
+        if (aDataHelper.HasFormat(nId))
+        {
+            OUString aString;
+            if (aDataHelper.GetString(nId, aString))
+                InsertCommandText(aString);
+        }
+    }
+
+    EndEdit();
+}
+
+std::unique_ptr<SmNodeList> SmCursor::CloneList(SmClipboard &rClipboard){
+    SmCloningVisitor aCloneFactory;
+    std::unique_ptr<SmNodeList> pClones(new SmNodeList);
+
+    for(auto &xNode : rClipboard){
+        SmNode *pClone = aCloneFactory.Clone(xNode.get());
+        pClones->push_back(pClone);
+    }
+
+    return pClones;
+}
+
+SmNode* SmCursor::FindTopMostNodeInLine(SmNode* pSNode, bool MoveUpIfSelected){
+    assert(pSNode);
+    //Move up parent until we find a node who's
+    //parent is NULL or isn't selected and not a type of:
+    //      SmExpressionNode
+    //      SmLineNode
+    //      SmBinHorNode
+    //      SmUnHorNode
+    //      SmAlignNode
+    //      SmFontNode
+    while(pSNode->GetParent() &&
+          ((MoveUpIfSelected &&
+            pSNode->GetParent()->IsSelected()) ||
+           IsLineCompositionNode(pSNode->GetParent())))
+        pSNode = pSNode->GetParent();
+    //Now we have the selection line node
+    return pSNode;
+}
+
+SmNode* SmCursor::FindSelectedNode(SmNode* pNode){
+    if(pNode->GetNumSubNodes() == 0)
+        return nullptr;
+    for(auto pChild : *static_cast<SmStructureNode*>(pNode))
+    {
+        if(!pChild)
+            continue;
+        if(pChild->IsSelected())
+            return pChild;
+        SmNode* pRetVal = FindSelectedNode(pChild);
+        if(pRetVal)
+            return pRetVal;
+    }
+    return nullptr;
+}
+
+void SmCursor::LineToList(SmStructureNode* pLine, SmNodeList& list){
+    for(auto pChild : *pLine)
+    {
+        if (!pChild)
+            continue;
+        switch(pChild->GetType()){
+            case SmNodeType::Line:
+            case SmNodeType::UnHor:
+            case SmNodeType::Expression:
+            case SmNodeType::BinHor:
+            case SmNodeType::Align:
+            case SmNodeType::Font:
+                LineToList(static_cast<SmStructureNode*>(pChild), list);
+                break;
+            case SmNodeType::Error:
+                delete pChild;
+                break;
+            default:
+                list.push_back(pChild);
+        }
+    }
+    pLine->ClearSubNodes();
+    delete pLine;
+}
+
+void SmCursor::CloneLineToClipboard(SmStructureNode* pLine, SmClipboard* pClipboard){
+    SmCloningVisitor aCloneFactory;
+    for(auto pChild : *pLine)
+    {
+        if (!pChild)
+            continue;
+        if( IsLineCompositionNode( pChild ) )
+            CloneLineToClipboard( static_cast<SmStructureNode*>(pChild), pClipboard );
+        else if( pChild->IsSelected() && pChild->GetType() != SmNodeType::Error ) {
+            //Only clone selected text from SmTextNode
+            if(pChild->GetType() == SmNodeType::Text) {
+                SmTextNode *pText = static_cast<SmTextNode*>(pChild);
+                std::unique_ptr<SmTextNode> pClone(new SmTextNode( pChild->GetToken(), pText->GetFontDesc() ));
+                int start = pText->GetSelectionStart(),
+                    length = pText->GetSelectionEnd() - pText->GetSelectionStart();
+                pClone->ChangeText(pText->GetText().copy(start, length));
+                pClone->SetScaleMode(pText->GetScaleMode());
+                pClipboard->push_back(std::move(pClone));
+            } else
+                pClipboard->push_back(std::unique_ptr<SmNode>(aCloneFactory.Clone(pChild)));
+        }
+    }
+}
+
+bool SmCursor::IsLineCompositionNode(SmNode const * pNode){
+    switch(pNode->GetType()){
+        case SmNodeType::Line:
+        case SmNodeType::UnHor:
+        case SmNodeType::Expression:
+        case SmNodeType::BinHor:
+        case SmNodeType::Align:
+        case SmNodeType::Font:
+            return true;
+        default:
+            return false;
+    }
+}
+
+int SmCursor::CountSelectedNodes(SmNode* pNode){
+    if(pNode->GetNumSubNodes() == 0)
+        return 0;
+    int nCount = 0;
+    for(auto pChild : *static_cast<SmStructureNode*>(pNode))
+    {
+        if (!pChild)
+            continue;
+        if(pChild->IsSelected() && !IsLineCompositionNode(pChild))
+            nCount++;
+        nCount += CountSelectedNodes(pChild);
+    }
+    return nCount;
+}
+
+bool SmCursor::HasComplexSelection(){
+    if(!HasSelection())
+        return false;
+    AnnotateSelection();
+
+    return CountSelectedNodes(mpTree) > 1;
+}
+
+void SmCursor::FinishEdit(std::unique_ptr<SmNodeList> pLineList,
+                          SmStructureNode* pParent,
+                          int nParentIndex,
+                          SmCaretPos PosAfterEdit,
+                          SmNode* pStartLine) {
+    //Store number of nodes in line for later
+    int entries = pLineList->size();
+
+    //Parse list of nodes to a tree
+    SmNodeListParser parser;
+    std::unique_ptr<SmNode> pLine(parser.Parse(pLineList.get()));
+    pLineList.reset();
+
+    //Check if we're making the body of a subsup node bigger than one
+    if(pParent->GetType() == SmNodeType::SubSup &&
+       nParentIndex == 0 &&
+       entries > 1) {
+        //Wrap pLine in scalable round brackets
+        SmToken aTok(TLEFT, '\0', "left", TG::NONE, 5);
+        std::unique_ptr<SmBraceNode> pBrace(new SmBraceNode(aTok));
+        pBrace->SetScaleMode(SmScaleMode::Height);
+        std::unique_ptr<SmNode> pLeft(  CreateBracket(SmBracketType::Round, true) ),
+                                pRight( CreateBracket(SmBracketType::Round, false) );
+        std::unique_ptr<SmBracebodyNode> pBody(new SmBracebodyNode(SmToken()));
+        pBody->SetSubNodes(std::move(pLine), nullptr);
+        pBrace->SetSubNodes(std::move(pLeft), std::move(pBody), std::move(pRight));
+        pBrace->Prepare(mpDocShell->GetFormat(), *mpDocShell, 0);
+        pLine = std::move(pBrace);
+        //TODO: Consider the following alternative behavior:
+        //Consider the line: A + {B + C}^D lsub E
+        //Here pLineList is B, + and C and pParent is a subsup node with
+        //both RSUP and LSUB set. Imagine the user just inserted "B +" in
+        //the body of the subsup node...
+        //The most natural thing to do would be to make the line like this:
+        //A + B lsub E + C ^ D
+        //E.g. apply LSUB and LSUP to the first element in pLineList and RSUP
+        //and RSUB to the last element in pLineList. But how should this act
+        //for CSUP and CSUB ???
+        //For this reason and because brackets was faster to implement, this solution
+        //have been chosen. It might be worth working on the other solution later...
+    }
+
+    //Set pStartLine if NULL
+    if(!pStartLine)
+        pStartLine = pLine.get();
+
+    //Insert it back into the parent
+    pParent->SetSubNode(nParentIndex, pLine.release());
+
+    //Rebuild graph of caret position
+    mpAnchor = nullptr;
+    mpPosition = nullptr;
+    BuildGraph();
+    AnnotateSelection(); //Update selection annotation!
+
+    //Set caret position
+    if(!SetCaretPosition(PosAfterEdit))
+        SetCaretPosition(SmCaretPos(pStartLine, 0));
+
+    //End edit section
+    EndEdit();
+}
+
+void SmCursor::BeginEdit(){
+    if(mnEditSections++ > 0) return;
+
+    mbIsEnabledSetModifiedSmDocShell = mpDocShell->IsEnableSetModified();
+    if( mbIsEnabledSetModifiedSmDocShell )
+        mpDocShell->EnableSetModified( false );
+}
+
+void SmCursor::EndEdit(){
+    if(--mnEditSections > 0) return;
+
+    mpDocShell->SetFormulaArranged(false);
+    //Okay, I don't know what this does... :)
+    //It's used in SmDocShell::SetText and with places where everything is modified.
+    //I think it does some magic, with sfx, but everything is totally undocumented so
+    //it's kinda hard to tell...
+    if ( mbIsEnabledSetModifiedSmDocShell )
+        mpDocShell->EnableSetModified( mbIsEnabledSetModifiedSmDocShell );
+    //I think this notifies people around us that we've modified this document...
+    mpDocShell->SetModified();
+    //I think SmDocShell uses this value when it sends an update graphics event
+    //Anyway comments elsewhere suggests it needs to be updated...
+    mpDocShell->mnModifyCount++;
+
+    //TODO: Consider copying the update accessibility code from SmDocShell::SetText in here...
+    //This somehow updates the size of SmGraphicView if it is running in embedded mode
+    if( mpDocShell->GetCreateMode() == SfxObjectCreateMode::EMBEDDED )
+        mpDocShell->OnDocumentPrinterChanged(nullptr);
+
+    //Request a repaint...
+    RequestRepaint();
+
+    //Update the edit engine and text of the document
+    OUString formula;
+    SmNodeToTextVisitor(mpTree, formula);
+    mpDocShell->maText = formula;
+    mpDocShell->GetEditEngine().QuickInsertText( formula, ESelection( 0, 0, EE_PARA_ALL, EE_TEXTPOS_ALL ) );
+    mpDocShell->GetEditEngine().QuickFormatDoc();
+}
+
+void SmCursor::RequestRepaint()
+{
+    if (SmViewShell *pViewSh = SmGetActiveView())
+    {
+        if (comphelper::LibreOfficeKit::isActive())
+        {
+            pViewSh->SendCaretToLOK();
+        }
+        else if ( SfxObjectCreateMode::EMBEDDED == mpDocShell->GetCreateMode() )
+            mpDocShell->Repaint();
+        else
+            pViewSh->GetGraphicWidget().Invalidate();
+    }
+}
+
+bool SmCursor::IsAtTailOfBracket(SmBracketType eBracketType) const
+{
+    const SmCaretPos pos = GetPosition();
+    if (!pos.IsValid()) {
+        return false;
+    }
+
+    SmNode* pNode = pos.pSelectedNode;
+
+    if (pNode->GetType() == SmNodeType::Text) {
+        SmTextNode* pTextNode = static_cast<SmTextNode*>(pNode);
+        if (pos.nIndex < pTextNode->GetText().getLength()) {
+            // The cursor is on a text node and at the middle of it.
+            return false;
+        }
+    } else {
+        if (pos.nIndex < 1) {
+            return false;
+        }
+    }
+
+    while (true) {
+        SmStructureNode* pParentNode = pNode->GetParent();
+        if (!pParentNode) {
+            // There's no brace body node in the ancestors.
+            return false;
+        }
+
+        int index = pParentNode->IndexOfSubNode(pNode);
+        assert(index >= 0);
+        if (static_cast<size_t>(index + 1) != pParentNode->GetNumSubNodes()) {
+            // The cursor is not at the tail at one of ancestor nodes.
+            return false;
+        }
+
+        pNode = pParentNode;
+        if (pNode->GetType() == SmNodeType::Bracebody) {
+            // Found the brace body node.
+            break;
+        }
+    }
+
+    SmStructureNode* pBraceNodeTmp = pNode->GetParent();
+    if (!pBraceNodeTmp || pBraceNodeTmp->GetType() != SmNodeType::Brace) {
+        // Brace node is invalid.
+        return false;
+    }
+
+    SmBraceNode* pBraceNode = static_cast<SmBraceNode*>(pBraceNodeTmp);
+    SmMathSymbolNode* pClosingNode = pBraceNode->ClosingBrace();
+    if (!pClosingNode) {
+        // Couldn't get closing symbol node.
+        return false;
+    }
+
+    // Check if the closing brace matches eBracketType.
+    SmTokenType eClosingTokenType = pClosingNode->GetToken().eType;
+    switch (eBracketType) {
+    case SmBracketType::Round:        if (eClosingTokenType != TRPARENT)   { return false; } break;
+    case SmBracketType::Square:       if (eClosingTokenType != TRBRACKET)  { return false; } break;
+    case SmBracketType::Curly:        if (eClosingTokenType != TRBRACE)    { return false; } break;
+    default:
+        return false;
+    }
+
+    return true;
+}
+
+/////////////////////////////////////// SmNodeListParser
+
+SmNode* SmNodeListParser::Parse(SmNodeList* list){
+    pList = list;
+    //Delete error nodes
+    SmNodeList::iterator it = pList->begin();
+    while(it != pList->end()) {
+        if((*it)->GetType() == SmNodeType::Error){
+            //Delete and erase
+            delete *it;
+            it = pList->erase(it);
+        }else
+            ++it;
+    }
+    SmNode* retval = Expression();
+    pList = nullptr;
+    return retval;
+}
+
+SmNode* SmNodeListParser::Expression(){
+    SmNodeArray NodeArray;
+    //Accept as many relations as there is
+    while(Terminal())
+        NodeArray.push_back(Relation());
+
+    //Create SmExpressionNode, I hope SmToken() will do :)
+    SmStructureNode* pExpr = new SmExpressionNode(SmToken());
+    pExpr->SetSubNodes(std::move(NodeArray));
+    return pExpr;
+}
+
+SmNode* SmNodeListParser::Relation(){
+    //Read a sum
+    std::unique_ptr<SmNode> pLeft(Sum());
+    //While we have tokens and the next is a relation
+    while(Terminal() && IsRelationOperator(Terminal()->GetToken())){
+        //Take the operator
+        std::unique_ptr<SmNode> pOper(Take());
+        //Find the right side of the relation
+        std::unique_ptr<SmNode> pRight(Sum());
+        //Create new SmBinHorNode
+        std::unique_ptr<SmStructureNode> pNewNode(new SmBinHorNode(SmToken()));
+        pNewNode->SetSubNodes(std::move(pLeft), std::move(pOper), std::move(pRight));
+        pLeft = std::move(pNewNode);
+    }
+    return pLeft.release();
+}
+
+SmNode* SmNodeListParser::Sum(){
+    //Read a product
+    std::unique_ptr<SmNode> pLeft(Product());
+    //While we have tokens and the next is a sum
+    while(Terminal() && IsSumOperator(Terminal()->GetToken())){
+        //Take the operator
+        std::unique_ptr<SmNode> pOper(Take());
+        //Find the right side of the sum
+        std::unique_ptr<SmNode> pRight(Product());
+        //Create new SmBinHorNode
+        std::unique_ptr<SmStructureNode> pNewNode(new SmBinHorNode(SmToken()));
+        pNewNode->SetSubNodes(std::move(pLeft), std::move(pOper), std::move(pRight));
+        pLeft = std::move(pNewNode);
+    }
+    return pLeft.release();
+}
+
+SmNode* SmNodeListParser::Product(){
+    //Read a Factor
+    std::unique_ptr<SmNode> pLeft(Factor());
+    //While we have tokens and the next is a product
+    while(Terminal() && IsProductOperator(Terminal()->GetToken())){
+        //Take the operator
+        std::unique_ptr<SmNode> pOper(Take());
+        //Find the right side of the operation
+        std::unique_ptr<SmNode> pRight(Factor());
+        //Create new SmBinHorNode
+        std::unique_ptr<SmStructureNode> pNewNode(new SmBinHorNode(SmToken()));
+        pNewNode->SetSubNodes(std::move(pLeft), std::move(pOper), std::move(pRight));
+        pLeft = std::move(pNewNode);
+    }
+    return pLeft.release();
+}
+
+SmNode* SmNodeListParser::Factor(){
+    //Read unary operations
+    if(!Terminal())
+        return Error();
+    //Take care of unary operators
+    else if(IsUnaryOperator(Terminal()->GetToken()))
+    {
+        SmStructureNode *pUnary = new SmUnHorNode(SmToken());
+        std::unique_ptr<SmNode> pOper(Terminal()),
+                                pArg;
+
+        if(Next())
+            pArg.reset(Factor());
+        else
+            pArg.reset(Error());
+
+        pUnary->SetSubNodes(std::move(pOper), std::move(pArg));
+        return pUnary;
+    }
+    return Postfix();
+}
+
+SmNode* SmNodeListParser::Postfix(){
+    if(!Terminal())
+        return Error();
+    std::unique_ptr<SmNode> pArg;
+    if(IsPostfixOperator(Terminal()->GetToken()))
+        pArg.reset(Error());
+    else if(IsOperator(Terminal()->GetToken()))
+        return Error();
+    else
+        pArg.reset(Take());
+    while(Terminal() && IsPostfixOperator(Terminal()->GetToken())) {
+        std::unique_ptr<SmStructureNode> pUnary(new SmUnHorNode(SmToken()) );
+        std::unique_ptr<SmNode> pOper(Take());
+        pUnary->SetSubNodes(std::move(pArg), std::move(pOper));
+        pArg = std::move(pUnary);
+    }
+    return pArg.release();
+}
+
+SmNode* SmNodeListParser::Error(){
+    return new SmErrorNode(SmToken());
+}
+
+bool SmNodeListParser::IsOperator(const SmToken &token) {
+    return  IsRelationOperator(token) ||
+            IsSumOperator(token) ||
+            IsProductOperator(token) ||
+            IsUnaryOperator(token) ||
+            IsPostfixOperator(token);
+}
+
+bool SmNodeListParser::IsRelationOperator(const SmToken &token) {
+    return bool(token.nGroup & TG::Relation);
+}
+
+bool SmNodeListParser::IsSumOperator(const SmToken &token) {
+    return bool(token.nGroup & TG::Sum);
+}
+
+bool SmNodeListParser::IsProductOperator(const SmToken &token) {
+    return token.nGroup & TG::Product &&
+           token.eType != TWIDESLASH &&
+           token.eType != TWIDEBACKSLASH &&
+           token.eType != TUNDERBRACE &&
+           token.eType != TOVERBRACE &&
+           token.eType != TOVER;
+}
+
+bool SmNodeListParser::IsUnaryOperator(const SmToken &token) {
+    return  token.nGroup & TG::UnOper &&
+            (token.eType == TPLUS ||
+             token.eType == TMINUS ||
+             token.eType == TPLUSMINUS ||
+             token.eType == TMINUSPLUS ||
+             token.eType == TNEG ||
+             token.eType == TUOPER);
+}
+
+bool SmNodeListParser::IsPostfixOperator(const SmToken &token) {
+    return token.eType == TFACT;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/dialog.cxx b/starmath/source/dialog.cxx
new file mode 100644
index 0000000000..1ad8376e5a
--- /dev/null
+++ b/starmath/source/dialog.cxx
@@ -0,0 +1,2170 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+#include <sal/log.hxx>
+
+#include <comphelper/string.hxx>
+#include <o3tl/temporary.hxx>
+#include <svl/eitem.hxx>
+#include <svl/intitem.hxx>
+#include <svl/stritem.hxx>
+#include <vcl/event.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/virdev.hxx>
+#include <vcl/weld.hxx>
+#include <svtools/ctrltool.hxx>
+#include <vcl/settings.hxx>
+#include <vcl/wall.hxx>
+#include <vcl/fontcharmap.hxx>
+#include <sfx2/dispatch.hxx>
+#include <svx/charmap.hxx>
+#include <svx/ucsubset.hxx>
+
+#include <dialog.hxx>
+#include <starmath.hrc>
+#include <strings.hrc>
+#include <helpids.h>
+#include <cfgitem.hxx>
+#include <officecfg/Office/Math.hxx>
+#include <smmod.hxx>
+#include <symbol.hxx>
+#include <view.hxx>
+
+#include <algorithm>
+
+namespace
+{
+
+void lclGetSettingColors(Color& rBackgroundColor, Color& rTextColor)
+{
+    const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();
+    if (rStyleSettings.GetHighContrastMode())
+    {
+        rBackgroundColor = rStyleSettings.GetFieldColor();
+        rTextColor = rStyleSettings.GetFieldTextColor();
+    }
+    else
+    {
+        rBackgroundColor = rStyleSettings.GetFaceColor();
+        rTextColor = rStyleSettings.GetLabelTextColor();
+    }
+}
+
+// Since it's better to set/query the FontStyle via its attributes rather
+// than via the StyleName we create a way to translate
+// Attribute <-> StyleName
+
+class SmFontStyles
+{
+    OUString aNormal;
+    OUString aBold;
+    OUString aItalic;
+    OUString aBoldItalic;
+
+public:
+    SmFontStyles();
+
+    static sal_uInt16 GetCount() { return 4; }
+    const OUString& GetStyleName(const vcl::Font& rFont) const;
+    const OUString& GetStyleName(sal_uInt16 nIdx) const;
+};
+
+vcl::Font lclGetSymbolFont(const SmViewShell& rViewShell, const SmSym &rSymbol)
+{
+    const SmDocShell* pDoc = rViewShell.GetDoc();
+    if (pDoc)
+    {
+        // If we have a document, we want to render the symbol using the font and style used in
+        // the document, so we do that by creating a node and preparing it, then get the resolved
+        // font and style from it.
+        SmToken token(TSPECIAL, '\0', "%" + rSymbol.GetUiName());
+        SmSpecialNode aNode(token);
+        aNode.Prepare(pDoc->GetFormat(), *pDoc, 1);
+        aNode.PrepareAttributes();
+        return aNode.GetFont();
+    }
+
+    return rSymbol.GetFace();
+}
+
+} // end anonymous namespace
+
+SmFontStyles::SmFontStyles()
+    : aNormal(SmResId(RID_FONTREGULAR))
+    , aBold(SmResId(RID_FONTBOLD))
+    , aItalic(SmResId(RID_FONTITALIC))
+{
+    aBoldItalic = aBold;
+    aBoldItalic += ", ";
+    aBoldItalic += aItalic;
+}
+
+const OUString& SmFontStyles::GetStyleName(const vcl::Font& rFont) const
+{
+    //! compare also SmSpecialNode::Prepare
+    bool bBold   = IsBold( rFont ),
+         bItalic = IsItalic( rFont );
+
+    if (bBold && bItalic)
+        return aBoldItalic;
+    else if (bItalic)
+        return aItalic;
+    else if (bBold)
+        return aBold;
+    return aNormal;
+}
+
+const OUString& SmFontStyles::GetStyleName( sal_uInt16 nIdx ) const
+{
+    // 0 = "normal",  1 = "italic",
+    // 2 = "bold",    3 = "bold italic"
+
+    assert( nIdx < GetCount() );
+    switch (nIdx)
+    {
+        case 0 : return aNormal;
+        case 1 : return aItalic;
+        case 2 : return aBold;
+        default: /*case 3:*/ return aBoldItalic;
+    }
+}
+
+static const SmFontStyles & GetFontStyles()
+{
+    static const SmFontStyles aImpl;
+    return aImpl;
+}
+
+void SetFontStyle(std::u16string_view rStyleName, vcl::Font &rFont)
+{
+    // Find index related to StyleName. For an empty StyleName it's assumed to be
+    // 0 (neither bold nor italic).
+    sal_uInt16  nIndex = 0;
+    if (!rStyleName.empty())
+    {
+        sal_uInt16 i;
+        const SmFontStyles &rStyles = GetFontStyles();
+        for (i = 0;  i < SmFontStyles::GetCount(); ++i)
+            if (rStyleName == rStyles.GetStyleName(i))
+                break;
+        assert(i < SmFontStyles::GetCount() && "style-name unknown");
+        nIndex = i;
+    }
+
+    rFont.SetItalic((nIndex & 0x1) ? ITALIC_NORMAL : ITALIC_NONE);
+    rFont.SetWeight((nIndex & 0x2) ? WEIGHT_BOLD : WEIGHT_NORMAL);
+}
+
+IMPL_LINK_NOARG(SmPrintOptionsTabPage, SizeButtonClickHdl, weld::Toggleable&, void)
+{
+    m_xZoom->set_sensitive(m_xSizeZoomed->get_active());
+}
+
+SmPrintOptionsTabPage::SmPrintOptionsTabPage(weld::Container* pPage, weld::DialogController* pController, const SfxItemSet& rOptions)
+    : SfxTabPage(pPage, pController, "modules/smath/ui/smathsettings.ui", "SmathSettings", &rOptions)
+    , m_xTitle(m_xBuilder->weld_check_button("title"))
+    , m_xTitleImg(m_xBuilder->weld_widget("locktitle"))
+    , m_xText(m_xBuilder->weld_check_button("text"))
+    , m_xTextImg(m_xBuilder->weld_widget("locktext"))
+    , m_xFrame(m_xBuilder->weld_check_button("frame"))
+    , m_xFrameImg(m_xBuilder->weld_widget("lockframe"))
+    , m_xSizeNormal(m_xBuilder->weld_radio_button("sizenormal"))
+    , m_xSizeScaled(m_xBuilder->weld_radio_button("sizescaled"))
+    , m_xSizeZoomed(m_xBuilder->weld_radio_button("sizezoomed"))
+    , m_xLockPrintImg(m_xBuilder->weld_widget("lockprintformat"))
+    , m_xZoom(m_xBuilder->weld_metric_spin_button("zoom", FieldUnit::PERCENT))
+    , m_xEnableInlineEdit(m_xBuilder->weld_check_button("enableinlineedit"))
+    , m_xEnableInlineEditImg(m_xBuilder->weld_widget("lockenableinlineedit"))
+    , m_xNoRightSpaces(m_xBuilder->weld_check_button("norightspaces"))
+    , m_xNoRightSpacesImg(m_xBuilder->weld_widget("locknorightspaces"))
+    , m_xSaveOnlyUsedSymbols(m_xBuilder->weld_check_button("saveonlyusedsymbols"))
+    , m_xSaveOnlyUsedSymbolsImg(m_xBuilder->weld_widget("locksaveonlyusedsymbols"))
+    , m_xAutoCloseBrackets(m_xBuilder->weld_check_button("autoclosebrackets"))
+    , m_xAutoCloseBracketsImg(m_xBuilder->weld_widget("lockautoclosebrackets"))
+    , m_xSmZoom(m_xBuilder->weld_metric_spin_button("smzoom", FieldUnit::PERCENT))
+    , m_xSmZoomImg(m_xBuilder->weld_widget("locksmzoom"))
+{
+    m_xSizeNormal->connect_toggled(LINK(this, SmPrintOptionsTabPage, SizeButtonClickHdl));
+    m_xSizeScaled->connect_toggled(LINK(this, SmPrintOptionsTabPage, SizeButtonClickHdl));
+    m_xSizeZoomed->connect_toggled(LINK(this, SmPrintOptionsTabPage, SizeButtonClickHdl));
+
+    Reset(&rOptions);
+}
+
+SmPrintOptionsTabPage::~SmPrintOptionsTabPage()
+{
+    if (SmViewShell *pViewSh = SmGetActiveView())
+        if (SmEditWindow* pEdit = pViewSh->GetEditWindow())
+            pEdit->UpdateStatus();
+}
+
+OUString SmPrintOptionsTabPage::GetAllStrings()
+{
+    OUString sAllStrings;
+    OUString labels[] = { "label4", "label5", "label1", "label6" };
+
+    for (const auto& label : labels)
+    {
+        if (const auto& pString = m_xBuilder->weld_label(label))
+            sAllStrings += pString->get_label() + " ";
+    }
+
+    OUString checkButton[]
+        = { "title", "text", "frame", "norightspaces", "saveonlyusedsymbols", "autoclosebrackets" };
+
+    for (const auto& check : checkButton)
+    {
+        if (const auto& pString = m_xBuilder->weld_check_button(check))
+            sAllStrings += pString->get_label() + " ";
+    }
+
+    OUString radioButton[] = { "sizenormal", "sizescaled", "sizezoomed" };
+
+    for (const auto& radio : radioButton)
+    {
+        if (const auto& pString = m_xBuilder->weld_radio_button(radio))
+            sAllStrings += pString->get_label() + " ";
+    }
+
+    return sAllStrings.replaceAll("_", "");
+}
+
+bool SmPrintOptionsTabPage::FillItemSet(SfxItemSet* rSet)
+{
+    sal_uInt16  nPrintSize;
+    if (m_xSizeNormal->get_active())
+        nPrintSize = PRINT_SIZE_NORMAL;
+    else if (m_xSizeScaled->get_active())
+        nPrintSize = PRINT_SIZE_SCALED;
+    else
+        nPrintSize = PRINT_SIZE_ZOOMED;
+
+    rSet->Put(SfxUInt16Item(SID_PRINTSIZE, nPrintSize));
+    rSet->Put(SfxUInt16Item(SID_PRINTZOOM, sal::static_int_cast<sal_uInt16>(m_xZoom->get_value(FieldUnit::PERCENT))));
+    rSet->Put(SfxBoolItem(SID_PRINTTITLE, m_xTitle->get_active()));
+    rSet->Put(SfxBoolItem(SID_PRINTTEXT, m_xText->get_active()));
+    rSet->Put(SfxBoolItem(SID_PRINTFRAME, m_xFrame->get_active()));
+    rSet->Put(SfxBoolItem(SID_INLINE_EDIT_ENABLE, m_xEnableInlineEdit->get_active()));
+    rSet->Put(SfxBoolItem(SID_NO_RIGHT_SPACES, m_xNoRightSpaces->get_active()));
+    rSet->Put(SfxBoolItem(SID_SAVE_ONLY_USED_SYMBOLS, m_xSaveOnlyUsedSymbols->get_active()));
+    rSet->Put(SfxBoolItem(SID_AUTO_CLOSE_BRACKETS, m_xAutoCloseBrackets->get_active()));
+    rSet->Put(SfxUInt16Item(SID_SMEDITWINDOWZOOM, sal::static_int_cast<sal_uInt16>(m_xSmZoom->get_value(FieldUnit::PERCENT))));
+
+    if (SmViewShell *pViewSh = SmGetActiveView())
+        if (SmEditWindow* pEdit = pViewSh->GetEditWindow())
+            pEdit->UpdateStatus();
+
+    return true;
+}
+
+void SmPrintOptionsTabPage::Reset(const SfxItemSet* rSet)
+{
+    SmPrintSize ePrintSize = static_cast<SmPrintSize>(rSet->Get(SID_PRINTSIZE).GetValue());
+
+    m_xSizeNormal->set_active(ePrintSize == PRINT_SIZE_NORMAL);
+    m_xSizeScaled->set_active(ePrintSize == PRINT_SIZE_SCALED);
+    m_xSizeZoomed->set_active(ePrintSize == PRINT_SIZE_ZOOMED);
+    bool bReadOnly = officecfg::Office::Math::Print::Size::isReadOnly();
+    if (bReadOnly)
+    {
+        m_xSizeNormal->set_sensitive(false);
+        m_xSizeScaled->set_sensitive(false);
+        m_xSizeZoomed->set_sensitive(false);
+        m_xLockPrintImg->set_visible(true);
+    }
+
+    bReadOnly = officecfg::Office::Math::Print::ZoomFactor::isReadOnly();
+    m_xZoom->set_value(rSet->Get(SID_PRINTZOOM).GetValue(), FieldUnit::PERCENT);
+    m_xZoom->set_sensitive(m_xSizeZoomed->get_active() && !bReadOnly);
+
+    bReadOnly = officecfg::Office::Math::Misc::SmEditWindowZoomFactor::isReadOnly();
+    m_xSmZoom->set_value(rSet->Get(SID_SMEDITWINDOWZOOM).GetValue(), FieldUnit::PERCENT);
+    m_xSmZoom->set_sensitive(!bReadOnly);
+    m_xSmZoomImg->set_visible(bReadOnly);
+
+    bReadOnly = officecfg::Office::Math::Print::Title::isReadOnly();
+    m_xTitle->set_active(rSet->Get(SID_PRINTTITLE).GetValue());
+    m_xTitle->set_sensitive(!bReadOnly);
+    m_xTitleImg->set_visible(bReadOnly);
+
+    bReadOnly = officecfg::Office::Math::Print::FormulaText::isReadOnly();
+    m_xText->set_active(rSet->Get(GetWhich(SID_PRINTTEXT)).GetValue());
+    m_xText->set_sensitive(!bReadOnly);
+    m_xTextImg->set_visible(bReadOnly);
+
+    bReadOnly = officecfg::Office::Math::Print::Frame::isReadOnly();
+    m_xFrame->set_active(rSet->Get(GetWhich(SID_PRINTFRAME)).GetValue());
+    m_xFrame->set_sensitive(!bReadOnly);
+    m_xFrameImg->set_visible(bReadOnly);
+
+    bReadOnly = officecfg::Office::Math::Misc::InlineEditEnable::isReadOnly();
+    m_xEnableInlineEdit->set_active(rSet->Get(SID_INLINE_EDIT_ENABLE).GetValue());
+    m_xEnableInlineEdit->set_sensitive(!bReadOnly);
+    m_xEnableInlineEditImg->set_visible(bReadOnly);
+
+    bReadOnly = officecfg::Office::Math::Misc::IgnoreSpacesRight::isReadOnly();
+    m_xNoRightSpaces->set_active(rSet->Get(SID_NO_RIGHT_SPACES).GetValue());
+    m_xNoRightSpaces->set_sensitive(!bReadOnly);
+    m_xNoRightSpacesImg->set_visible(bReadOnly);
+
+    bReadOnly = officecfg::Office::Math::LoadSave::IsSaveOnlyUsedSymbols::isReadOnly();
+    m_xSaveOnlyUsedSymbols->set_active(rSet->Get(SID_SAVE_ONLY_USED_SYMBOLS).GetValue());
+    m_xSaveOnlyUsedSymbols->set_sensitive(!bReadOnly);
+    m_xSaveOnlyUsedSymbolsImg->set_visible(bReadOnly);
+
+    bReadOnly = officecfg::Office::Math::Misc::AutoCloseBrackets::isReadOnly();
+    m_xAutoCloseBrackets->set_active(rSet->Get(SID_AUTO_CLOSE_BRACKETS).GetValue());
+    m_xAutoCloseBrackets->set_sensitive(!bReadOnly);
+    m_xAutoCloseBracketsImg->set_visible(bReadOnly);
+}
+
+std::unique_ptr<SfxTabPage> SmPrintOptionsTabPage::Create(weld::Container* pPage, weld::DialogController* pController, const SfxItemSet& rSet)
+{
+    return std::make_unique<SmPrintOptionsTabPage>(pPage, pController, rSet);
+}
+
+void SmShowFont::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& /*rRect*/)
+{
+    Color aBackColor;
+    Color aTextColor;
+    lclGetSettingColors(aBackColor, aTextColor);
+
+    rRenderContext.SetBackground(Wallpaper(aBackColor));
+
+    vcl::Font aFont(maFont);
+    aFont.SetFontSize(Size(0, 24 * rRenderContext.GetDPIScaleFactor()));
+    aFont.SetAlignment(ALIGN_TOP);
+    rRenderContext.SetFont(aFont);
+    rRenderContext.SetTextColor(aTextColor);
+
+    OUString sText(rRenderContext.GetFont().GetFamilyName());
+    Size aTextSize(rRenderContext.GetTextWidth(sText), rRenderContext.GetTextHeight());
+
+    rRenderContext.DrawText(Point((rRenderContext.GetOutputSize().Width()  - aTextSize.Width())  / 2,
+                                  (rRenderContext.GetOutputSize().Height() - aTextSize.Height()) / 2), sText);
+}
+
+void SmShowFont::SetDrawingArea(weld::DrawingArea* pDrawingArea)
+{
+    CustomWidgetController::SetDrawingArea(pDrawingArea);
+    Size aSize(pDrawingArea->get_ref_device().LogicToPixel(Size(111 , 31), MapMode(MapUnit::MapAppFont)));
+    pDrawingArea->set_size_request(aSize.Width(), aSize.Height());
+}
+
+void SmShowFont::SetFont(const vcl::Font& rFont)
+{
+    maFont = rFont;
+    Invalidate();
+}
+
+IMPL_LINK( SmFontDialog, FontSelectHdl, weld::ComboBox&, rComboBox, void )
+{
+    maFont.SetFamilyName(rComboBox.get_active_text());
+    m_aShowFont.SetFont(maFont);
+}
+
+IMPL_LINK_NOARG(SmFontDialog, AttrChangeHdl, weld::Toggleable&, void)
+{
+    if (m_xBoldCheckBox->get_active())
+        maFont.SetWeight(WEIGHT_BOLD);
+    else
+        maFont.SetWeight(WEIGHT_NORMAL);
+
+    if (m_xItalicCheckBox->get_active())
+        maFont.SetItalic(ITALIC_NORMAL);
+    else
+        maFont.SetItalic(ITALIC_NONE);
+
+    m_aShowFont.SetFont(maFont);
+}
+
+void SmFontDialog::SetFont(const vcl::Font &rFont)
+{
+    maFont = rFont;
+
+    m_xFontBox->set_active_text(maFont.GetFamilyName());
+    m_xBoldCheckBox->set_active(IsBold(maFont));
+    m_xItalicCheckBox->set_active(IsItalic(maFont));
+    m_aShowFont.SetFont(maFont);
+}
+
+SmFontDialog::SmFontDialog(weld::Window * pParent, OutputDevice *pFntListDevice, bool bHideCheckboxes)
+    : GenericDialogController(pParent, "modules/smath/ui/fontdialog.ui", "FontDialog")
+    , m_xFontBox(m_xBuilder->weld_entry_tree_view("fontgrid", "font", "fonts"))
+    , m_xAttrFrame(m_xBuilder->weld_widget("attrframe"))
+    , m_xBoldCheckBox(m_xBuilder->weld_check_button("bold"))
+    , m_xItalicCheckBox(m_xBuilder->weld_check_button("italic"))
+    , m_xShowFont(new weld::CustomWeld(*m_xBuilder, "preview", m_aShowFont))
+{
+    m_xFontBox->set_height_request_by_rows(8);
+
+    {
+        weld::WaitObject aWait(pParent);
+
+        FontList aFontList( pFntListDevice );
+
+        sal_uInt16  nCount = aFontList.GetFontNameCount();
+        for (sal_uInt16 i = 0;  i < nCount; ++i)
+        {
+            m_xFontBox->append_text(aFontList.GetFontName(i).GetFamilyName());
+        }
+        maFont.SetFontSize(Size(0, 24));
+        maFont.SetWeight(WEIGHT_NORMAL);
+        maFont.SetItalic(ITALIC_NONE);
+        maFont.SetFamily(FAMILY_DONTKNOW);
+        maFont.SetPitch(PITCH_DONTKNOW);
+        maFont.SetCharSet(RTL_TEXTENCODING_DONTKNOW);
+        maFont.SetTransparent(true);
+    }
+
+    m_xFontBox->connect_changed(LINK(this, SmFontDialog, FontSelectHdl));
+    m_xBoldCheckBox->connect_toggled(LINK(this, SmFontDialog, AttrChangeHdl));
+    m_xItalicCheckBox->connect_toggled(LINK(this, SmFontDialog, AttrChangeHdl));
+
+    if (bHideCheckboxes)
+    {
+        m_xBoldCheckBox->set_active(false);
+        m_xBoldCheckBox->set_sensitive(false);
+        m_xItalicCheckBox->set_active(false);
+        m_xItalicCheckBox->set_sensitive(false);
+        m_xAttrFrame->hide();
+    }
+}
+
+SmFontDialog::~SmFontDialog()
+{
+}
+
+namespace {
+
+class SaveDefaultsQuery : public weld::MessageDialogController
+{
+public:
+    explicit SaveDefaultsQuery(weld::Widget* pParent)
+        : MessageDialogController(pParent, "modules/smath/ui/savedefaultsdialog.ui",
+                "SaveDefaultsDialog")
+    {
+    }
+};
+
+}
+
+IMPL_LINK_NOARG( SmFontSizeDialog, DefaultButtonClickHdl, weld::Button&, void )
+{
+    SaveDefaultsQuery aQuery(m_xDialog.get());
+    if (aQuery.run() == RET_YES)
+    {
+        SmModule *pp = SM_MOD();
+        SmFormat aFmt( pp->GetConfig()->GetStandardFormat() );
+        WriteTo( aFmt );
+        pp->GetConfig()->SetStandardFormat( aFmt );
+    }
+}
+
+SmFontSizeDialog::SmFontSizeDialog(weld::Window* pParent)
+    : GenericDialogController(pParent, "modules/smath/ui/fontsizedialog.ui", "FontSizeDialog")
+    , m_xBaseSize(m_xBuilder->weld_metric_spin_button("spinB_baseSize", FieldUnit::POINT))
+    , m_xTextSize(m_xBuilder->weld_metric_spin_button("spinB_text", FieldUnit::PERCENT))
+    , m_xIndexSize(m_xBuilder->weld_metric_spin_button("spinB_index", FieldUnit::PERCENT))
+    , m_xFunctionSize(m_xBuilder->weld_metric_spin_button("spinB_function", FieldUnit::PERCENT))
+    , m_xOperatorSize(m_xBuilder->weld_metric_spin_button("spinB_operator", FieldUnit::PERCENT))
+    , m_xBorderSize(m_xBuilder->weld_metric_spin_button("spinB_limit", FieldUnit::PERCENT))
+    , m_xDefaultButton(m_xBuilder->weld_button("default"))
+{
+    m_xDefaultButton->connect_clicked(LINK(this, SmFontSizeDialog, DefaultButtonClickHdl));
+}
+
+SmFontSizeDialog::~SmFontSizeDialog()
+{
+}
+
+void SmFontSizeDialog::ReadFrom(const SmFormat &rFormat)
+{
+    //! watch out: round properly!
+    m_xBaseSize->set_value(
+        o3tl::convert(rFormat.GetBaseSize().Height(), SmO3tlLengthUnit(), o3tl::Length::pt),
+        FieldUnit::NONE);
+
+    m_xTextSize->set_value( rFormat.GetRelSize(SIZ_TEXT), FieldUnit::NONE );
+    m_xIndexSize->set_value( rFormat.GetRelSize(SIZ_INDEX), FieldUnit::NONE );
+    m_xFunctionSize->set_value( rFormat.GetRelSize(SIZ_FUNCTION), FieldUnit::NONE );
+    m_xOperatorSize->set_value( rFormat.GetRelSize(SIZ_OPERATOR), FieldUnit::NONE );
+    m_xBorderSize->set_value( rFormat.GetRelSize(SIZ_LIMITS), FieldUnit::NONE );
+}
+
+void SmFontSizeDialog::WriteTo(SmFormat &rFormat) const
+{
+    rFormat.SetBaseSize( Size(0, o3tl::convert(m_xBaseSize->get_value(FieldUnit::NONE), o3tl::Length::pt, SmO3tlLengthUnit())) );
+
+    rFormat.SetRelSize(SIZ_TEXT,     sal::static_int_cast<sal_uInt16>(m_xTextSize->get_value(FieldUnit::NONE)));
+    rFormat.SetRelSize(SIZ_INDEX,    sal::static_int_cast<sal_uInt16>(m_xIndexSize->get_value(FieldUnit::NONE)));
+    rFormat.SetRelSize(SIZ_FUNCTION, sal::static_int_cast<sal_uInt16>(m_xFunctionSize->get_value(FieldUnit::NONE)));
+    rFormat.SetRelSize(SIZ_OPERATOR, sal::static_int_cast<sal_uInt16>(m_xOperatorSize->get_value(FieldUnit::NONE)));
+    rFormat.SetRelSize(SIZ_LIMITS,   sal::static_int_cast<sal_uInt16>(m_xBorderSize->get_value(FieldUnit::NONE)));
+
+    const Size aTmp (rFormat.GetBaseSize());
+    for (sal_uInt16  i = FNT_BEGIN;  i <= FNT_END;  i++)
+        rFormat.SetFontSize(i, aTmp);
+
+    rFormat.RequestApplyChanges();
+}
+
+IMPL_LINK(SmFontTypeDialog, MenuSelectHdl, const OUString&, rIdent, void)
+{
+    SmFontPickListBox *pActiveListBox;
+
+    bool bHideCheckboxes = false;
+    if (rIdent == "math")
+        pActiveListBox = m_xMathFont.get();
+    else if (rIdent == "variables")
+        pActiveListBox = m_xVariableFont.get();
+    else if (rIdent == "functions")
+        pActiveListBox = m_xFunctionFont.get();
+    else if (rIdent == "numbers")
+        pActiveListBox = m_xNumberFont.get();
+    else if (rIdent == "text")
+        pActiveListBox = m_xTextFont.get();
+    else if (rIdent == "serif")
+    {
+        pActiveListBox = m_xSerifFont.get();
+        bHideCheckboxes = true;
+    }
+    else if (rIdent == "sansserif")
+    {
+        pActiveListBox = m_xSansFont.get();
+        bHideCheckboxes = true;
+    }
+    else if (rIdent == "fixedwidth")
+    {
+        pActiveListBox = m_xFixedFont.get();
+        bHideCheckboxes = true;
+    }
+    else
+        pActiveListBox = nullptr;
+
+    if (pActiveListBox)
+    {
+        SmFontDialog aFontDialog(m_xDialog.get(), pFontListDev, bHideCheckboxes);
+
+        pActiveListBox->WriteTo(aFontDialog);
+        if (aFontDialog.run() == RET_OK)
+            pActiveListBox->ReadFrom(aFontDialog);
+    }
+}
+
+IMPL_LINK_NOARG(SmFontTypeDialog, DefaultButtonClickHdl, weld::Button&, void)
+{
+    SaveDefaultsQuery aQuery(m_xDialog.get());
+    if (aQuery.run() == RET_YES)
+    {
+        SmModule *pp = SM_MOD();
+        SmFormat aFmt( pp->GetConfig()->GetStandardFormat() );
+        WriteTo( aFmt );
+        pp->GetConfig()->SetStandardFormat( aFmt, true );
+    }
+}
+
+SmFontTypeDialog::SmFontTypeDialog(weld::Window* pParent, OutputDevice *pFntListDevice)
+    : GenericDialogController(pParent, "modules/smath/ui/fonttypedialog.ui", "FontsDialog")
+    , pFontListDev(pFntListDevice)
+    , m_xMathFont(new SmFontPickListBox(m_xBuilder->weld_combo_box("mathCB")))
+    , m_xVariableFont(new SmFontPickListBox(m_xBuilder->weld_combo_box("variableCB")))
+    , m_xFunctionFont(new SmFontPickListBox(m_xBuilder->weld_combo_box("functionCB")))
+    , m_xNumberFont(new SmFontPickListBox(m_xBuilder->weld_combo_box("numberCB")))
+    , m_xTextFont(new SmFontPickListBox(m_xBuilder->weld_combo_box("textCB")))
+    , m_xSerifFont(new SmFontPickListBox(m_xBuilder->weld_combo_box("serifCB")))
+    , m_xSansFont(new SmFontPickListBox(m_xBuilder->weld_combo_box("sansCB")))
+    , m_xFixedFont(new SmFontPickListBox(m_xBuilder->weld_combo_box("fixedCB")))
+    , m_xMenuButton(m_xBuilder->weld_menu_button("modify"))
+    , m_xDefaultButton(m_xBuilder->weld_button("default"))
+{
+    m_xDefaultButton->connect_clicked(LINK(this, SmFontTypeDialog, DefaultButtonClickHdl));
+    m_xMenuButton->connect_selected(LINK(this, SmFontTypeDialog, MenuSelectHdl));
+}
+
+SmFontTypeDialog::~SmFontTypeDialog()
+{
+}
+
+void SmFontTypeDialog::ReadFrom(const SmFormat &rFormat)
+{
+    SmModule *pp = SM_MOD();
+
+    *m_xMathFont     = pp->GetConfig()->GetFontPickList(FNT_MATH);
+    *m_xVariableFont = pp->GetConfig()->GetFontPickList(FNT_VARIABLE);
+    *m_xFunctionFont = pp->GetConfig()->GetFontPickList(FNT_FUNCTION);
+    *m_xNumberFont   = pp->GetConfig()->GetFontPickList(FNT_NUMBER);
+    *m_xTextFont     = pp->GetConfig()->GetFontPickList(FNT_TEXT);
+    *m_xSerifFont    = pp->GetConfig()->GetFontPickList(FNT_SERIF);
+    *m_xSansFont     = pp->GetConfig()->GetFontPickList(FNT_SANS);
+    *m_xFixedFont    = pp->GetConfig()->GetFontPickList(FNT_FIXED);
+
+    m_xMathFont->Insert( rFormat.GetFont(FNT_MATH) );
+    m_xVariableFont->Insert( rFormat.GetFont(FNT_VARIABLE) );
+    m_xFunctionFont->Insert( rFormat.GetFont(FNT_FUNCTION) );
+    m_xNumberFont->Insert( rFormat.GetFont(FNT_NUMBER) );
+    m_xTextFont->Insert( rFormat.GetFont(FNT_TEXT) );
+    m_xSerifFont->Insert( rFormat.GetFont(FNT_SERIF) );
+    m_xSansFont->Insert( rFormat.GetFont(FNT_SANS) );
+    m_xFixedFont->Insert( rFormat.GetFont(FNT_FIXED) );
+}
+
+
+void SmFontTypeDialog::WriteTo(SmFormat &rFormat) const
+{
+    SmModule *pp = SM_MOD();
+
+    pp->GetConfig()->GetFontPickList(FNT_MATH)     = *m_xMathFont;
+    pp->GetConfig()->GetFontPickList(FNT_VARIABLE) = *m_xVariableFont;
+    pp->GetConfig()->GetFontPickList(FNT_FUNCTION) = *m_xFunctionFont;
+    pp->GetConfig()->GetFontPickList(FNT_NUMBER)   = *m_xNumberFont;
+    pp->GetConfig()->GetFontPickList(FNT_TEXT)     = *m_xTextFont;
+    pp->GetConfig()->GetFontPickList(FNT_SERIF)    = *m_xSerifFont;
+    pp->GetConfig()->GetFontPickList(FNT_SANS)     = *m_xSansFont;
+    pp->GetConfig()->GetFontPickList(FNT_FIXED)    = *m_xFixedFont;
+
+    rFormat.SetFont( FNT_MATH,     m_xMathFont->Get() );
+    rFormat.SetFont( FNT_VARIABLE, m_xVariableFont->Get() );
+    rFormat.SetFont( FNT_FUNCTION, m_xFunctionFont->Get() );
+    rFormat.SetFont( FNT_NUMBER,   m_xNumberFont->Get() );
+    rFormat.SetFont( FNT_TEXT,     m_xTextFont->Get() );
+    rFormat.SetFont( FNT_SERIF,    m_xSerifFont->Get() );
+    rFormat.SetFont( FNT_SANS,     m_xSansFont->Get() );
+    rFormat.SetFont( FNT_FIXED,    m_xFixedFont->Get() );
+
+    rFormat.RequestApplyChanges();
+}
+
+/**************************************************************************/
+
+namespace {
+
+struct FieldMinMax
+{
+    sal_uInt16 nMin, nMax;
+};
+
+}
+
+// Data for min and max values of the 4 metric fields
+// for each of the 10 categories
+const FieldMinMax pMinMaxData[10][4] =
+{
+    // 0
+    {{ 0, 200 },    { 0, 200 },     { 0, 100 },     { 0, 0 }},
+    // 1
+    {{ 0, 100 },    { 0, 100 },     { 0, 0 },       { 0, 0 }},
+    // 2
+    {{ 0, 100 },    { 0, 100 },     { 0, 0 },       { 0, 0 }},
+    // 3
+    {{ 0, 100 },    { 1, 100 },     { 0, 0 },       { 0, 0 }},
+    // 4
+    {{ 0, 100 },    { 0, 100 },     { 0, 0 },       { 0, 0 }},
+    // 5
+    {{ 0, 100 },    { 0, 100 },     { 0, 0 },       { 0, 100 }},
+    // 6
+    {{ 0, 300 },    { 0, 300 },     { 0, 0 },       { 0, 0 }},
+    // 7
+    {{ 0, 100 },    { 0, 100 },     { 0, 0 },       { 0, 0 }},
+    // 8
+    {{ 0, 100 },    { 0, 100 },     { 0, 0 },       { 0, 0 }},
+    // 9
+    {{ 0, 10000 },  { 0, 10000 },   { 0, 10000 },   { 0, 10000 }}
+};
+
+SmCategoryDesc::SmCategoryDesc(weld::Builder& rBuilder, sal_uInt16 nCategoryIdx)
+{
+    ++nCategoryIdx;
+    std::unique_ptr<weld::Label> xTitle(rBuilder.weld_label(OUString::number(nCategoryIdx)+"title"));
+    if (xTitle)
+    {
+        Name = xTitle->get_label();
+    }
+    for (int i = 0; i < 4; ++i)
+    {
+        std::unique_ptr<weld::Label> xLabel(rBuilder.weld_label(OUString::number(nCategoryIdx)+"label"+OUString::number(i+1)));
+
+        if (xLabel)
+        {
+            Strings[i] = xLabel->get_label();
+            Graphics[i] = rBuilder.weld_widget(OUString::number(nCategoryIdx)+"image"+OUString::number(i+1));
+        }
+        else
+        {
+            Strings[i].clear();
+            Graphics[i].reset();
+        }
+
+        const FieldMinMax& rMinMax = pMinMaxData[ nCategoryIdx-1 ][i];
+        Value[i] = Minimum[i] = rMinMax.nMin;
+        Maximum[i] = rMinMax.nMax;
+    }
+}
+
+SmCategoryDesc::~SmCategoryDesc()
+{
+}
+
+/**************************************************************************/
+
+IMPL_LINK( SmDistanceDialog, GetFocusHdl, weld::Widget&, rControl, void )
+{
+    if (!m_xCategories[nActiveCategory])
+        return;
+
+    sal_uInt16  i;
+
+    if (&rControl == &m_xMetricField1->get_widget())
+        i = 0;
+    else if (&rControl == &m_xMetricField2->get_widget())
+        i = 1;
+    else if (&rControl == &m_xMetricField3->get_widget())
+        i = 2;
+    else if (&rControl == &m_xMetricField4->get_widget())
+        i = 3;
+    else
+        return;
+    if (m_pCurrentImage)
+        m_pCurrentImage->hide();
+    m_pCurrentImage = m_xCategories[nActiveCategory]->GetGraphic(i);
+    m_pCurrentImage->show();
+}
+
+IMPL_LINK(SmDistanceDialog, MenuSelectHdl, const OUString&, rId, void)
+{
+    assert(rId.startsWith("menuitem"));
+    SetCategory(rId.replaceFirst("menuitem", "").toInt32() - 1);
+}
+
+IMPL_LINK_NOARG( SmDistanceDialog, DefaultButtonClickHdl, weld::Button&, void )
+{
+    SaveDefaultsQuery aQuery(m_xDialog.get());
+    if (aQuery.run() == RET_YES)
+    {
+        SmModule *pp = SM_MOD();
+        SmFormat aFmt( pp->GetConfig()->GetStandardFormat() );
+        WriteTo( aFmt );
+        pp->GetConfig()->SetStandardFormat( aFmt );
+    }
+}
+
+IMPL_LINK( SmDistanceDialog, CheckBoxClickHdl, weld::Toggleable&, rCheckBox, void )
+{
+    if (&rCheckBox == m_xCheckBox1.get())
+    {
+        bool bChecked = m_xCheckBox1->get_active();
+        m_xFixedText4->set_sensitive( bChecked );
+        m_xMetricField4->set_sensitive( bChecked );
+    }
+}
+
+void SmDistanceDialog::SetCategory(sal_uInt16 nCategory)
+{
+    assert(nCategory < NOCATEGORIES && "Sm: wrong category number in SmDistanceDialog");
+
+    // array to convert category- and metricfield-number in help ids.
+    // 0 is used in case of unused combinations.
+    assert(NOCATEGORIES == 10 && "Sm : array doesn't fit into the number of categories");
+    static constexpr OUString EMPTY(u""_ustr);
+    static constexpr OUString aCatMf2Hid[10][4] =
+    {
+        { HID_SMA_DEFAULT_DIST,         HID_SMA_LINE_DIST,          HID_SMA_ROOT_DIST, EMPTY },
+        { HID_SMA_SUP_DIST,             HID_SMA_SUB_DIST ,          EMPTY, EMPTY },
+        { HID_SMA_NUMERATOR_DIST,       HID_SMA_DENOMINATOR_DIST,   EMPTY, EMPTY },
+        { HID_SMA_FRACLINE_EXCWIDTH,    HID_SMA_FRACLINE_LINEWIDTH, EMPTY, EMPTY },
+        { HID_SMA_UPPERLIMIT_DIST,      HID_SMA_LOWERLIMIT_DIST,    EMPTY, EMPTY },
+        { HID_SMA_BRACKET_EXCHEIGHT,    HID_SMA_BRACKET_DIST,       EMPTY, HID_SMA_BRACKET_EXCHEIGHT2 },
+        { HID_SMA_MATRIXROW_DIST,       HID_SMA_MATRIXCOL_DIST,     EMPTY, EMPTY },
+        { HID_SMA_ATTRIBUT_DIST,        HID_SMA_INTERATTRIBUT_DIST, EMPTY, EMPTY },
+        { HID_SMA_OPERATOR_EXCHEIGHT,   HID_SMA_OPERATOR_DIST,      EMPTY, EMPTY },
+        { HID_SMA_LEFTBORDER_DIST,      HID_SMA_RIGHTBORDER_DIST,   HID_SMA_UPPERBORDER_DIST, HID_SMA_LOWERBORDER_DIST }
+    };
+
+    // array to help iterate over the controls
+    std::pair<weld::Label*, weld::MetricSpinButton*> const aWin[4] =
+    {
+        { m_xFixedText1.get(), m_xMetricField1.get() },
+        { m_xFixedText2.get(), m_xMetricField2.get() },
+        { m_xFixedText3.get(), m_xMetricField3.get() },
+        { m_xFixedText4.get(), m_xMetricField4.get() }
+    };
+
+    SmCategoryDesc *pCat;
+
+    // remember the (maybe new) settings of the active SmCategoryDesc
+    // before switching to the new one
+    if (nActiveCategory != CATEGORY_NONE)
+    {
+        pCat = m_xCategories[nActiveCategory].get();
+        pCat->SetValue(0, sal::static_int_cast<sal_uInt16>(m_xMetricField1->get_value(FieldUnit::NONE)));
+        pCat->SetValue(1, sal::static_int_cast<sal_uInt16>(m_xMetricField2->get_value(FieldUnit::NONE)));
+        pCat->SetValue(2, sal::static_int_cast<sal_uInt16>(m_xMetricField3->get_value(FieldUnit::NONE)));
+        pCat->SetValue(3, sal::static_int_cast<sal_uInt16>(m_xMetricField4->get_value(FieldUnit::NONE)));
+
+        if (nActiveCategory == 5)
+            bScaleAllBrackets = m_xCheckBox1->get_active();
+
+        m_xMenuButton->set_item_active("menuitem" + OUString::number(nActiveCategory + 1), false);
+    }
+
+    // activation/deactivation of the associated controls depending on the chosen category
+    bool  bActive;
+    for (sal_uInt16 i = 0;  i < 4;  i++)
+    {
+        weld::Label *pFT = aWin[i].first;
+        weld::MetricSpinButton *pMF = aWin[i].second;
+
+        // To determine which Controls should be active, the existence
+        // of an associated HelpID is checked
+        bActive = !aCatMf2Hid[nCategory][i].isEmpty();
+
+        pFT->set_visible(bActive);
+        pFT->set_sensitive(bActive);
+        pMF->set_visible(bActive);
+        pMF->set_sensitive(bActive);
+
+        // set measurement unit and number of decimal places
+        FieldUnit  eUnit;
+        sal_uInt16     nDigits;
+        if (nCategory < 9)
+        {
+            eUnit = FieldUnit::PERCENT;
+            nDigits = 0;
+        }
+        else
+        {
+            eUnit   = FieldUnit::MM_100TH;
+            nDigits = 2;
+        }
+        pMF->set_unit(eUnit);            // changes the value
+        pMF->set_digits(nDigits);
+
+        if (bActive)
+        {
+            pCat = m_xCategories[nCategory].get();
+            pFT->set_label(pCat->GetString(i));
+
+            pMF->set_range(pCat->GetMinimum(i), pCat->GetMaximum(i), FieldUnit::NONE);
+            pMF->set_value(pCat->GetValue(i), FieldUnit::NONE);
+
+            pMF->set_help_id(aCatMf2Hid[nCategory][i]);
+        }
+    }
+    // activate the CheckBox and the associated MetricField if we're dealing with the brackets menu
+    bActive = nCategory == 5;
+    m_xCheckBox1->set_visible(bActive);
+    m_xCheckBox1->set_sensitive(bActive);
+    if (bActive)
+    {
+        m_xCheckBox1->set_active(bScaleAllBrackets);
+
+        bool bChecked = m_xCheckBox1->get_active();
+        m_xFixedText4->set_sensitive( bChecked );
+        m_xMetricField4->set_sensitive( bChecked );
+    }
+
+    m_xMenuButton->set_item_active("menuitem" + OUString::number(nCategory + 1), true);
+    m_xFrame->set_label(m_xCategories[nCategory]->GetName());
+
+    nActiveCategory = nCategory;
+
+    m_xMetricField1->grab_focus();
+}
+
+SmDistanceDialog::SmDistanceDialog(weld::Window *pParent)
+    : GenericDialogController(pParent, "modules/smath/ui/spacingdialog.ui", "SpacingDialog")
+    , m_xFrame(m_xBuilder->weld_frame("template"))
+    , m_xFixedText1(m_xBuilder->weld_label("label1"))
+    , m_xMetricField1(m_xBuilder->weld_metric_spin_button("spinbutton1", FieldUnit::CM))
+    , m_xFixedText2(m_xBuilder->weld_label("label2"))
+    , m_xMetricField2(m_xBuilder->weld_metric_spin_button("spinbutton2", FieldUnit::CM))
+    , m_xFixedText3(m_xBuilder->weld_label("label3"))
+    , m_xMetricField3(m_xBuilder->weld_metric_spin_button("spinbutton3", FieldUnit::CM))
+    , m_xCheckBox1(m_xBuilder->weld_check_button("checkbutton"))
+    , m_xFixedText4(m_xBuilder->weld_label("label4"))
+    , m_xMetricField4(m_xBuilder->weld_metric_spin_button("spinbutton4", FieldUnit::CM))
+    , m_xMenuButton(m_xBuilder->weld_menu_button("category"))
+    , m_xDefaultButton(m_xBuilder->weld_button("default"))
+    , m_xBitmap(m_xBuilder->weld_widget("image"))
+    , m_pCurrentImage(m_xBitmap.get())
+{
+    for (sal_uInt16 i = 0; i < NOCATEGORIES; ++i)
+        m_xCategories[i].reset( new SmCategoryDesc(*m_xBuilder, i) );
+    nActiveCategory   = CATEGORY_NONE;
+    bScaleAllBrackets = false;
+
+    m_xMetricField1->connect_focus_in(LINK(this, SmDistanceDialog, GetFocusHdl));
+    m_xMetricField2->connect_focus_in(LINK(this, SmDistanceDialog, GetFocusHdl));
+    m_xMetricField3->connect_focus_in(LINK(this, SmDistanceDialog, GetFocusHdl));
+    m_xMetricField4->connect_focus_in(LINK(this, SmDistanceDialog, GetFocusHdl));
+    m_xCheckBox1->connect_toggled(LINK(this, SmDistanceDialog, CheckBoxClickHdl));
+    m_xMenuButton->connect_selected(LINK(this, SmDistanceDialog, MenuSelectHdl));
+    m_xDefaultButton->connect_clicked(LINK(this, SmDistanceDialog, DefaultButtonClickHdl));
+
+    //set the initial size, with max visible widgets visible, as preferred size
+    m_xDialog->set_size_request(-1, m_xDialog->get_preferred_size().Height());
+}
+
+SmDistanceDialog::~SmDistanceDialog()
+{
+}
+
+void SmDistanceDialog::ReadFrom(const SmFormat &rFormat)
+{
+    m_xCategories[0]->SetValue(0, rFormat.GetDistance(DIS_HORIZONTAL));
+    m_xCategories[0]->SetValue(1, rFormat.GetDistance(DIS_VERTICAL));
+    m_xCategories[0]->SetValue(2, rFormat.GetDistance(DIS_ROOT));
+    m_xCategories[1]->SetValue(0, rFormat.GetDistance(DIS_SUPERSCRIPT));
+    m_xCategories[1]->SetValue(1, rFormat.GetDistance(DIS_SUBSCRIPT));
+    m_xCategories[2]->SetValue(0, rFormat.GetDistance(DIS_NUMERATOR));
+    m_xCategories[2]->SetValue(1, rFormat.GetDistance(DIS_DENOMINATOR));
+    m_xCategories[3]->SetValue(0, rFormat.GetDistance(DIS_FRACTION));
+    m_xCategories[3]->SetValue(1, rFormat.GetDistance(DIS_STROKEWIDTH));
+    m_xCategories[4]->SetValue(0, rFormat.GetDistance(DIS_UPPERLIMIT));
+    m_xCategories[4]->SetValue(1, rFormat.GetDistance(DIS_LOWERLIMIT));
+    m_xCategories[5]->SetValue(0, rFormat.GetDistance(DIS_BRACKETSIZE));
+    m_xCategories[5]->SetValue(1, rFormat.GetDistance(DIS_BRACKETSPACE));
+    m_xCategories[5]->SetValue(3, rFormat.GetDistance(DIS_NORMALBRACKETSIZE));
+    m_xCategories[6]->SetValue(0, rFormat.GetDistance(DIS_MATRIXROW));
+    m_xCategories[6]->SetValue(1, rFormat.GetDistance(DIS_MATRIXCOL));
+    m_xCategories[7]->SetValue(0, rFormat.GetDistance(DIS_ORNAMENTSIZE));
+    m_xCategories[7]->SetValue(1, rFormat.GetDistance(DIS_ORNAMENTSPACE));
+    m_xCategories[8]->SetValue(0, rFormat.GetDistance(DIS_OPERATORSIZE));
+    m_xCategories[8]->SetValue(1, rFormat.GetDistance(DIS_OPERATORSPACE));
+    m_xCategories[9]->SetValue(0, rFormat.GetDistance(DIS_LEFTSPACE));
+    m_xCategories[9]->SetValue(1, rFormat.GetDistance(DIS_RIGHTSPACE));
+    m_xCategories[9]->SetValue(2, rFormat.GetDistance(DIS_TOPSPACE));
+    m_xCategories[9]->SetValue(3, rFormat.GetDistance(DIS_BOTTOMSPACE));
+
+    bScaleAllBrackets = rFormat.IsScaleNormalBrackets();
+
+    // force update (even of category 0) by setting nActiveCategory to a
+    // non-existent category number
+    nActiveCategory = CATEGORY_NONE;
+    SetCategory(0);
+}
+
+
+void SmDistanceDialog::WriteTo(SmFormat &rFormat) /*const*/
+{
+    // TODO can they actually be different?
+    // if that's not the case 'const' could be used above!
+    SetCategory(nActiveCategory);
+
+    rFormat.SetDistance( DIS_HORIZONTAL,        m_xCategories[0]->GetValue(0) );
+    rFormat.SetDistance( DIS_VERTICAL,          m_xCategories[0]->GetValue(1) );
+    rFormat.SetDistance( DIS_ROOT,              m_xCategories[0]->GetValue(2) );
+    rFormat.SetDistance( DIS_SUPERSCRIPT,       m_xCategories[1]->GetValue(0) );
+    rFormat.SetDistance( DIS_SUBSCRIPT,         m_xCategories[1]->GetValue(1) );
+    rFormat.SetDistance( DIS_NUMERATOR,         m_xCategories[2]->GetValue(0) );
+    rFormat.SetDistance( DIS_DENOMINATOR,       m_xCategories[2]->GetValue(1) );
+    rFormat.SetDistance( DIS_FRACTION,          m_xCategories[3]->GetValue(0) );
+    rFormat.SetDistance( DIS_STROKEWIDTH,       m_xCategories[3]->GetValue(1) );
+    rFormat.SetDistance( DIS_UPPERLIMIT,        m_xCategories[4]->GetValue(0) );
+    rFormat.SetDistance( DIS_LOWERLIMIT,        m_xCategories[4]->GetValue(1) );
+    rFormat.SetDistance( DIS_BRACKETSIZE,       m_xCategories[5]->GetValue(0) );
+    rFormat.SetDistance( DIS_BRACKETSPACE,      m_xCategories[5]->GetValue(1) );
+    rFormat.SetDistance( DIS_MATRIXROW,         m_xCategories[6]->GetValue(0) );
+    rFormat.SetDistance( DIS_MATRIXCOL,         m_xCategories[6]->GetValue(1) );
+    rFormat.SetDistance( DIS_ORNAMENTSIZE,      m_xCategories[7]->GetValue(0) );
+    rFormat.SetDistance( DIS_ORNAMENTSPACE,     m_xCategories[7]->GetValue(1) );
+    rFormat.SetDistance( DIS_OPERATORSIZE,      m_xCategories[8]->GetValue(0) );
+    rFormat.SetDistance( DIS_OPERATORSPACE,     m_xCategories[8]->GetValue(1) );
+    rFormat.SetDistance( DIS_LEFTSPACE,         m_xCategories[9]->GetValue(0) );
+    rFormat.SetDistance( DIS_RIGHTSPACE,        m_xCategories[9]->GetValue(1) );
+    rFormat.SetDistance( DIS_TOPSPACE,          m_xCategories[9]->GetValue(2) );
+    rFormat.SetDistance( DIS_BOTTOMSPACE,       m_xCategories[9]->GetValue(3) );
+    rFormat.SetDistance( DIS_NORMALBRACKETSIZE, m_xCategories[5]->GetValue(3) );
+
+    rFormat.SetScaleNormalBrackets( bScaleAllBrackets );
+
+    rFormat.RequestApplyChanges();
+}
+
+IMPL_LINK_NOARG( SmAlignDialog, DefaultButtonClickHdl, weld::Button&, void )
+{
+    SaveDefaultsQuery aQuery(m_xDialog.get());
+    if (aQuery.run() == RET_YES)
+    {
+        SmModule *pp = SM_MOD();
+        SmFormat aFmt( pp->GetConfig()->GetStandardFormat() );
+        WriteTo( aFmt );
+        pp->GetConfig()->SetStandardFormat( aFmt );
+    }
+}
+
+SmAlignDialog::SmAlignDialog(weld::Window* pParent)
+    : GenericDialogController(pParent, "modules/smath/ui/alignmentdialog.ui", "AlignmentDialog")
+    , m_xLeft(m_xBuilder->weld_radio_button("left"))
+    , m_xCenter(m_xBuilder->weld_radio_button("center"))
+    , m_xRight(m_xBuilder->weld_radio_button("right"))
+    , m_xDefaultButton(m_xBuilder->weld_button("default"))
+{
+    m_xDefaultButton->connect_clicked(LINK(this, SmAlignDialog, DefaultButtonClickHdl));
+}
+
+SmAlignDialog::~SmAlignDialog()
+{
+}
+
+void SmAlignDialog::ReadFrom(const SmFormat &rFormat)
+{
+    switch (rFormat.GetHorAlign())
+    {
+        case SmHorAlign::Left:
+            m_xLeft->set_active(true);
+            break;
+        case SmHorAlign::Center:
+            m_xCenter->set_active(true);
+            break;
+        case SmHorAlign::Right:
+            m_xRight->set_active(true);
+            break;
+    }
+}
+
+void SmAlignDialog::WriteTo(SmFormat &rFormat) const
+{
+    if (m_xLeft->get_active())
+        rFormat.SetHorAlign(SmHorAlign::Left);
+    else if (m_xRight->get_active())
+        rFormat.SetHorAlign(SmHorAlign::Right);
+    else
+        rFormat.SetHorAlign(SmHorAlign::Center);
+
+    rFormat.RequestApplyChanges();
+}
+
+SmShowSymbolSet::SmShowSymbolSet(std::unique_ptr<weld::ScrolledWindow> pScrolledWindow, SmViewShell &rViewShell)
+    : m_rViewShell(rViewShell)
+    , nLen(0)
+    , nRows(0)
+    , nColumns(0)
+    , nXOffset(0)
+    , nYOffset(0)
+    , nSelectSymbol(SYMBOL_NONE)
+    , m_xScrolledWindow(std::move(pScrolledWindow))
+{
+    m_xScrolledWindow->connect_vadjustment_changed(LINK(this, SmShowSymbolSet, ScrollHdl));
+}
+
+Point SmShowSymbolSet::OffsetPoint(const Point &rPoint) const
+{
+    return Point(rPoint.X() + nXOffset, rPoint.Y() + nYOffset);
+}
+
+void SmShowSymbolSet::Resize()
+{
+    CustomWidgetController::Resize();
+    Size aWinSize(GetOutputSizePixel());
+    if (aWinSize != m_aOldSize)
+    {
+        calccols(GetDrawingArea()->get_ref_device());
+        m_aOldSize = aWinSize;
+    }
+}
+
+void SmShowSymbolSet::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&)
+{
+    Color aBackgroundColor;
+    Color aTextColor;
+    lclGetSettingColors(aBackgroundColor, aTextColor);
+
+    rRenderContext.SetBackground(Wallpaper(aBackgroundColor));
+    rRenderContext.SetTextColor(aTextColor);
+
+    rRenderContext.Push(vcl::PushFlags::MAPMODE);
+
+    // set MapUnit for which 'nLen' has been calculated
+    rRenderContext.SetMapMode(MapMode(MapUnit::MapPixel));
+
+    sal_uInt16 v = sal::static_int_cast< sal_uInt16 >(m_xScrolledWindow->vadjustment_get_value() * nColumns);
+    size_t nSymbols = aSymbolSet.size();
+
+    Color aTxtColor(rRenderContext.GetTextColor());
+    for (size_t i = v; i < nSymbols ; i++)
+    {
+        SmSym aSymbol(*aSymbolSet[i]);
+        vcl::Font aFont(lclGetSymbolFont(m_rViewShell, aSymbol));
+        aFont.SetAlignment(ALIGN_TOP);
+
+        // taking a FontSize which is a bit smaller (compared to nLen) in order to have a buffer
+        // (hopefully enough for left and right, too)
+        aFont.SetFontSize(Size(0, nLen - (nLen / 3)));
+        rRenderContext.SetFont(aFont);
+        // keep text color
+        rRenderContext.SetTextColor(aTxtColor);
+
+        int nIV = i - v;
+        sal_UCS4 cChar = aSymbol.GetCharacter();
+        OUString aText(&cChar, 1);
+        Size  aSize(rRenderContext.GetTextWidth( aText ), rRenderContext.GetTextHeight());
+
+        Point aPoint((nIV % nColumns) * nLen + (nLen - aSize.Width()) / 2,
+                     (nIV / nColumns) * nLen + (nLen - aSize.Height()) / 2);
+
+        rRenderContext.DrawText(OffsetPoint(aPoint), aText);
+    }
+
+    if (nSelectSymbol != SYMBOL_NONE)
+    {
+        Point aPoint(((nSelectSymbol - v) % nColumns) * nLen,
+                                 ((nSelectSymbol - v) / nColumns) * nLen);
+
+        rRenderContext.Invert(tools::Rectangle(OffsetPoint(aPoint), Size(nLen, nLen)));
+
+    }
+
+    rRenderContext.Pop();
+}
+
+bool SmShowSymbolSet::MouseButtonDown(const MouseEvent& rMEvt)
+{
+    GrabFocus();
+
+    Size aOutputSize(nColumns * nLen, nRows * nLen);
+    aOutputSize.AdjustWidth(nXOffset );
+    aOutputSize.AdjustHeight(nYOffset );
+    Point aPoint(rMEvt.GetPosPixel());
+    aPoint.AdjustX( -nXOffset );
+    aPoint.AdjustY( -nYOffset );
+
+    if (rMEvt.IsLeft() && tools::Rectangle(Point(0, 0), aOutputSize).Contains(rMEvt.GetPosPixel()))
+    {
+        tools::Long nPos = (aPoint.Y() / nLen) * nColumns + (aPoint.X() / nLen) +
+                      m_xScrolledWindow->vadjustment_get_value() * nColumns;
+        SelectSymbol( sal::static_int_cast< sal_uInt16 >(nPos) );
+
+        aSelectHdlLink.Call(*this);
+
+        if (rMEvt.GetClicks() > 1)
+            aDblClickHdlLink.Call(*this);
+    }
+
+    return true;
+}
+
+bool SmShowSymbolSet::KeyInput(const KeyEvent& rKEvt)
+{
+    sal_uInt16 n = nSelectSymbol;
+
+    if (n != SYMBOL_NONE)
+    {
+        switch (rKEvt.GetKeyCode().GetCode())
+        {
+            case KEY_DOWN:      n = n + nColumns;   break;
+            case KEY_UP:        n = n - nColumns;   break;
+            case KEY_LEFT:      n -= 1; break;
+            case KEY_RIGHT:     n += 1; break;
+            case KEY_HOME:      n  = 0; break;
+            case KEY_END:       n  = static_cast< sal_uInt16 >(aSymbolSet.size() - 1);   break;
+            case KEY_PAGEUP:    n -= nColumns * nRows;  break;
+            case KEY_PAGEDOWN:  n += nColumns * nRows;  break;
+            default:
+                return false;
+        }
+    }
+    else
+        n = 0;
+
+    if (n >= aSymbolSet.size())
+        n = nSelectSymbol;
+
+    // adjust scrollbar
+    if ((n < sal::static_int_cast<sal_uInt16>(m_xScrolledWindow->vadjustment_get_value() * nColumns)) ||
+        (n >= sal::static_int_cast<sal_uInt16>((m_xScrolledWindow->vadjustment_get_value() + nRows) * nColumns)))
+    {
+        m_xScrolledWindow->vadjustment_set_value(n / nColumns);
+        Invalidate();
+    }
+
+    SelectSymbol(n);
+    aSelectHdlLink.Call(*this);
+
+    return true;
+}
+
+void SmShowSymbolSet::calccols(const vcl::RenderContext& rRenderContext)
+{
+    // Height of 16pt in pixels (matching 'aOutputSize')
+    nLen = rRenderContext.LogicToPixel(Size(0, 16), MapMode(MapUnit::MapPoint)).Height();
+
+    Size aOutputSize(GetOutputSizePixel());
+
+    nColumns = aOutputSize.Width() / nLen;
+    nRows = aOutputSize.Height() / nLen;
+    nColumns = std::max<tools::Long>(1, nColumns);
+    nRows = std::max<tools::Long>(1, nRows);
+
+    nXOffset = (aOutputSize.Width() - (nColumns * nLen)) / 2;
+    nYOffset = (aOutputSize.Height() - (nRows * nLen)) / 2;
+
+    SetScrollBarRange();
+}
+
+void SmShowSymbolSet::SetSymbolSet(const SymbolPtrVec_t & rSymbolSet)
+{
+    aSymbolSet = rSymbolSet;
+    SetScrollBarRange();
+    Invalidate();
+}
+
+void SmShowSymbolSet::SetScrollBarRange()
+{
+    const int nLastRow = (aSymbolSet.size() - 1 + nColumns) / nColumns;
+    m_xScrolledWindow->vadjustment_configure(m_xScrolledWindow->vadjustment_get_value(), 0, nLastRow, 1, nRows - 1, nRows);
+    Invalidate();
+}
+
+void SmShowSymbolSet::SelectSymbol(sal_uInt16 nSymbol)
+{
+    int v = m_xScrolledWindow->vadjustment_get_value() * nColumns;
+
+    if (nSelectSymbol != SYMBOL_NONE && nColumns)
+    {
+        Point aPoint(OffsetPoint(Point(((nSelectSymbol - v) % nColumns) * nLen,
+                                       ((nSelectSymbol - v) / nColumns) * nLen)));
+        Invalidate(tools::Rectangle(aPoint, Size(nLen, nLen)));
+    }
+
+    if (nSymbol < aSymbolSet.size())
+        nSelectSymbol = nSymbol;
+
+    if (aSymbolSet.empty())
+        nSelectSymbol = SYMBOL_NONE;
+
+    if (nSelectSymbol != SYMBOL_NONE && nColumns)
+    {
+        Point aPoint(OffsetPoint(Point(((nSelectSymbol - v) % nColumns) * nLen,
+                                       ((nSelectSymbol - v) / nColumns) * nLen)));
+        Invalidate(tools::Rectangle(aPoint, Size(nLen, nLen)));
+    }
+
+    if (!nColumns)
+        Invalidate();
+}
+
+IMPL_LINK_NOARG(SmShowSymbolSet, ScrollHdl, weld::ScrolledWindow&, void)
+{
+    Invalidate();
+}
+
+SmShowSymbol::SmShowSymbol(SmViewShell& rViewShell)
+    : m_rViewShell(rViewShell)
+{
+}
+
+void SmShowSymbol::setFontSize(vcl::Font &rFont) const
+{
+    Size aSize(GetOutputSizePixel());
+    rFont.SetFontSize(Size(0, aSize.Height() - aSize.Height() / 3));
+}
+
+void SmShowSymbol::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&)
+{
+    Color aBackgroundColor;
+    Color aTextColor;
+    lclGetSettingColors(aBackgroundColor, aTextColor);
+    rRenderContext.SetBackground(Wallpaper(aBackgroundColor));
+    rRenderContext.SetTextColor(aTextColor);
+    rRenderContext.Erase();
+
+    vcl::Font aFont(GetFont());
+    setFontSize(aFont);
+    rRenderContext.SetFont(aFont);
+
+    const OUString &rText = GetText();
+    Size aTextSize(rRenderContext.GetTextWidth(rText), rRenderContext.GetTextHeight());
+
+    rRenderContext.DrawText(Point((rRenderContext.GetOutputSize().Width()  - aTextSize.Width())  / 2,
+                                  (rRenderContext.GetOutputSize().Height() * 7 / 10)), rText);
+}
+
+bool SmShowSymbol::MouseButtonDown(const MouseEvent& rMEvt)
+{
+    if (rMEvt.GetClicks() > 1)
+        aDblClickHdlLink.Call(*this);
+    return true;
+}
+
+void SmShowSymbol::SetSymbol(const SmSym *pSymbol)
+{
+    if (pSymbol)
+    {
+        vcl::Font aFont(lclGetSymbolFont(m_rViewShell, *pSymbol));
+        aFont.SetAlignment(ALIGN_BASELINE);
+        SetFont(aFont);
+
+        sal_UCS4 cChar = pSymbol->GetCharacter();
+        OUString aText(&cChar, 1);
+        SetText( aText );
+    }
+
+    Invalidate();
+}
+
+void SmSymbolDialog::FillSymbolSets()
+    // populate the entries of possible SymbolsSets in the dialog with
+    // current values of the SymbolSet manager but selects none of those
+{
+    m_xSymbolSets->clear();
+    m_xSymbolSets->set_active(-1);
+
+    std::set< OUString >  aSymbolSetNames( rSymbolMgr.GetSymbolSetNames() );
+    for (const auto& rSymbolSetName : aSymbolSetNames)
+        m_xSymbolSets->append_text(rSymbolSetName);
+}
+
+IMPL_LINK_NOARG( SmSymbolDialog, SymbolSetChangeHdl, weld::ComboBox&, void )
+{
+    SelectSymbolSet(m_xSymbolSets->get_active_text());
+}
+
+IMPL_LINK_NOARG( SmSymbolDialog, SymbolChangeHdl, SmShowSymbolSet&, void )
+{
+    SelectSymbol(m_xSymbolSetDisplay->GetSelectSymbol());
+}
+
+IMPL_LINK_NOARG(SmSymbolDialog, EditClickHdl, weld::Button&, void)
+{
+    SmSymDefineDialog aDialog(m_xDialog.get(), pFontListDev, rSymbolMgr);
+
+    // set current symbol and SymbolSet for the new dialog
+    const OUString  aSymSetName (m_xSymbolSets->get_active_text()),
+                    aSymName    (m_xSymbolName->get_label());
+    aDialog.SelectOldSymbolSet(aSymSetName);
+    aDialog.SelectOldSymbol(aSymName);
+    aDialog.SelectSymbolSet(aSymSetName);
+    aDialog.SelectSymbol(aSymName);
+
+    // remember old SymbolSet
+    OUString  aOldSymbolSet (m_xSymbolSets->get_active_text());
+
+    sal_uInt16 nSymPos = m_xSymbolSetDisplay->GetSelectSymbol();
+
+    // adapt dialog to data of the SymbolSet manager, which might have changed
+    if (aDialog.run() == RET_OK && rSymbolMgr.IsModified())
+    {
+        rSymbolMgr.Save();
+        FillSymbolSets();
+    }
+
+    // if the old SymbolSet doesn't exist anymore, go to the first one SymbolSet (if one exists)
+    if (!SelectSymbolSet(aOldSymbolSet) && m_xSymbolSets->get_count() > 0)
+        SelectSymbolSet(m_xSymbolSets->get_text(0));
+    else
+    {
+        // just update display of current symbol set
+        assert(aSymSetName == aSymSetName); //unexpected change in symbol set name
+        aSymbolSet = rSymbolMgr.GetSymbolSet( aSymbolSetName );
+        m_xSymbolSetDisplay->SetSymbolSet( aSymbolSet );
+    }
+
+    if (nSymPos >= aSymbolSet.size())
+        nSymPos = static_cast< sal_uInt16 >(aSymbolSet.size()) - 1;
+    SelectSymbol( nSymPos );
+}
+
+IMPL_LINK_NOARG( SmSymbolDialog, SymbolDblClickHdl2, SmShowSymbolSet&, void )
+{
+    SymbolDblClickHdl();
+}
+
+IMPL_LINK_NOARG( SmSymbolDialog, SymbolDblClickHdl, SmShowSymbol&, void )
+{
+    SymbolDblClickHdl();
+}
+
+void SmSymbolDialog::SymbolDblClickHdl()
+{
+    GetClickHdl(*m_xGetBtn);
+    m_xDialog->response(RET_OK);
+}
+
+IMPL_LINK_NOARG(SmSymbolDialog, GetClickHdl, weld::Button&, void)
+{
+    const SmSym *pSym = GetSymbol();
+    if (pSym)
+    {
+        OUString aText = "%" + pSym->GetUiName() + " ";
+
+        rViewSh.GetViewFrame().GetDispatcher()->ExecuteList(
+                SID_INSERTSPECIAL, SfxCallMode::RECORD,
+                { new SfxStringItem(SID_INSERTSPECIAL, aText) });
+    }
+}
+
+SmSymbolDialog::SmSymbolDialog(weld::Window *pParent, OutputDevice *pFntListDevice,
+                               SmSymbolManager &rMgr, SmViewShell &rViewShell)
+    : GenericDialogController(pParent, "modules/smath/ui/catalogdialog.ui", "CatalogDialog")
+    , rViewSh(rViewShell)
+    , rSymbolMgr(rMgr)
+    , pFontListDev(pFntListDevice)
+    , m_aSymbolDisplay(rViewShell)
+    , m_xSymbolSets(m_xBuilder->weld_combo_box("symbolset"))
+    , m_xSymbolSetDisplay(new SmShowSymbolSet(m_xBuilder->weld_scrolled_window("scrolledwindow", true), rViewShell))
+    , m_xSymbolSetDisplayArea(new weld::CustomWeld(*m_xBuilder, "symbolsetdisplay", *m_xSymbolSetDisplay))
+    , m_xSymbolName(m_xBuilder->weld_label("symbolname"))
+    , m_xSymbolDisplay(new weld::CustomWeld(*m_xBuilder, "preview", m_aSymbolDisplay))
+    , m_xGetBtn(m_xBuilder->weld_button("ok"))
+    , m_xEditBtn(m_xBuilder->weld_button("edit"))
+{
+    m_xSymbolSets->make_sorted();
+
+    aSymbolSetName.clear();
+    aSymbolSet.clear();
+    FillSymbolSets();
+    if (m_xSymbolSets->get_count() > 0)
+        SelectSymbolSet(m_xSymbolSets->get_text(0));
+
+    m_xSymbolSets->connect_changed(LINK(this, SmSymbolDialog, SymbolSetChangeHdl));
+    m_xSymbolSetDisplay->SetSelectHdl(LINK(this, SmSymbolDialog, SymbolChangeHdl));
+    m_xSymbolSetDisplay->SetDblClickHdl(LINK(this, SmSymbolDialog, SymbolDblClickHdl2));
+    m_aSymbolDisplay.SetDblClickHdl(LINK(this, SmSymbolDialog, SymbolDblClickHdl));
+    m_xEditBtn->connect_clicked(LINK(this, SmSymbolDialog, EditClickHdl));
+    m_xGetBtn->connect_clicked(LINK(this, SmSymbolDialog, GetClickHdl));
+}
+
+SmSymbolDialog::~SmSymbolDialog()
+{
+}
+
+bool SmSymbolDialog::SelectSymbolSet(const OUString &rSymbolSetName)
+{
+    bool bRet = false;
+    sal_Int32 nPos = m_xSymbolSets->find_text(rSymbolSetName);
+
+    aSymbolSetName.clear();
+    aSymbolSet.clear();
+    if (nPos != -1)
+    {
+        m_xSymbolSets->set_active(nPos);
+
+        aSymbolSetName  = rSymbolSetName;
+        aSymbolSet      = rSymbolMgr.GetSymbolSet( aSymbolSetName );
+
+        // sort symbols by Unicode position (useful for displaying Greek characters alphabetically)
+        std::sort( aSymbolSet.begin(), aSymbolSet.end(),
+                   [](const SmSym *pSym1, const SmSym *pSym2)
+                   {
+                       return pSym1->GetCharacter() < pSym2->GetCharacter();
+                   } );
+
+        const bool bEmptySymbolSet = aSymbolSet.empty();
+        m_xSymbolSetDisplay->SetSymbolSet( aSymbolSet );
+        if (!bEmptySymbolSet)
+            SelectSymbol(0);
+
+        bRet = true;
+    }
+    else
+        m_xSymbolSets->set_active(-1);
+
+    return bRet;
+}
+
+void SmSymbolDialog::SelectSymbol(sal_uInt16 nSymbolNo)
+{
+    const SmSym *pSym = nullptr;
+    if (!aSymbolSetName.isEmpty()  &&  nSymbolNo < static_cast< sal_uInt16 >(aSymbolSet.size()))
+        pSym = aSymbolSet[ nSymbolNo ];
+
+    m_xSymbolSetDisplay->SelectSymbol(nSymbolNo);
+    m_aSymbolDisplay.SetSymbol(pSym);
+    m_xSymbolName->set_label(pSym ? pSym->GetUiName() : OUString());
+}
+
+const SmSym* SmSymbolDialog::GetSymbol() const
+{
+    sal_uInt16 nSymbolNo = m_xSymbolSetDisplay->GetSelectSymbol();
+    bool bValid = !aSymbolSetName.isEmpty()  &&  nSymbolNo < static_cast< sal_uInt16 >(aSymbolSet.size());
+    return bValid ? aSymbolSet[ nSymbolNo ] : nullptr;
+}
+
+void SmShowChar::Resize()
+{
+    const OUString &rText = GetText();
+    if (rText.isEmpty())
+        return;
+    sal_UCS4 cChar = rText.iterateCodePoints(&o3tl::temporary(sal_Int32(0)));
+    SetSymbol(cChar, GetFont()); //force recalculation of size
+}
+
+void SmShowChar::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&)
+{
+    Color aTextCol = rRenderContext.GetTextColor();
+    Color aFillCol = rRenderContext.GetFillColor();
+
+    const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();
+    const Color aWindowTextColor(rStyleSettings.GetDialogTextColor());
+    const Color aWindowColor(rStyleSettings.GetWindowColor());
+    rRenderContext.SetTextColor(aWindowTextColor);
+    rRenderContext.SetFillColor(aWindowColor);
+
+    Size aSize(GetOutputSizePixel());
+    rRenderContext.DrawRect(tools::Rectangle(Point(0, 0), aSize));
+
+    OUString aText(GetText());
+    if (!aText.isEmpty())
+    {
+        vcl::Font aFont(m_aFont);
+        aFont.SetAlignment(ALIGN_TOP);
+        rRenderContext.SetFont(aFont);
+
+        Size aTextSize(rRenderContext.GetTextWidth(aText), rRenderContext.GetTextHeight());
+
+        rRenderContext.DrawText(Point((aSize.Width()  - aTextSize.Width()) / 2,
+                                      (aSize.Height() - aTextSize.Height()) / 2), aText);
+    }
+
+    rRenderContext.SetTextColor(aTextCol);
+    rRenderContext.SetFillColor(aFillCol);
+}
+
+void SmShowChar::SetSymbol( const SmSym *pSym )
+{
+    if (pSym)
+        SetSymbol( pSym->GetCharacter(), pSym->GetFace() );
+}
+
+
+void SmShowChar::SetSymbol( sal_UCS4 cChar, const vcl::Font &rFont )
+{
+    vcl::Font aFont( rFont );
+    Size aSize(GetOutputSizePixel());
+    aFont.SetFontSize(Size(0, aSize.Height() - aSize.Height() / 3));
+    aFont.SetAlignment(ALIGN_BASELINE);
+    SetFont(aFont);
+
+    OUString aText(&cChar, 1);
+    SetText( aText );
+
+    Invalidate();
+}
+
+void SmSymDefineDialog::FillSymbols(weld::ComboBox& rComboBox, bool bDeleteText)
+{
+    assert((&rComboBox == m_xOldSymbols.get() || &rComboBox == m_xSymbols.get()) && "Sm : wrong ComboBox");
+
+    rComboBox.clear();
+    if (bDeleteText)
+        rComboBox.set_entry_text(OUString());
+
+    weld::ComboBox& rBox = &rComboBox == m_xOldSymbols.get() ? *m_xOldSymbolSets : *m_xSymbolSets;
+    SymbolPtrVec_t aSymSet(m_aSymbolMgrCopy.GetSymbolSet(rBox.get_active_text()));
+    for (const SmSym* i : aSymSet)
+        rComboBox.append_text(i->GetUiName());
+}
+
+void SmSymDefineDialog::FillSymbolSets(weld::ComboBox& rComboBox, bool bDeleteText)
+{
+    assert((&rComboBox == m_xOldSymbolSets.get() || &rComboBox == m_xSymbolSets.get()) && "Sm : wrong ComboBox");
+
+    rComboBox.clear();
+    if (bDeleteText)
+        rComboBox.set_entry_text(OUString());
+
+    const std::set< OUString >  aSymbolSetNames( m_aSymbolMgrCopy.GetSymbolSetNames() );
+    for (const auto& rSymbolSetName : aSymbolSetNames)
+        rComboBox.append_text(rSymbolSetName);
+}
+
+void SmSymDefineDialog::FillFonts()
+{
+    m_xFonts->clear();
+    m_xFonts->set_active(-1);
+
+    // Include all fonts of FontList into the font list.
+    // If there are duplicates, only include one entry of each font since the style will be
+    // already selected using the FontStyleBox.
+    if (m_xFontList)
+    {
+        sal_uInt16  nCount = m_xFontList->GetFontNameCount();
+        for (sal_uInt16 i = 0; i < nCount; ++i)
+            m_xFonts->append_text(m_xFontList->GetFontName(i).GetFamilyName());
+    }
+}
+
+void SmSymDefineDialog::FillStyles()
+{
+    m_xStyles->clear();
+//    pStyles->SetText(OUString());
+
+    OUString aText(m_xFonts->get_active_text());
+    if (!aText.isEmpty())
+    {
+        // use own StyleNames
+        const SmFontStyles &rStyles = GetFontStyles();
+        for (sal_uInt16 i = 0; i < SmFontStyles::GetCount(); ++i)
+            m_xStyles->append_text(rStyles.GetStyleName(i));
+
+        assert(m_xStyles->get_count() > 0 && "Sm : no styles available");
+        m_xStyles->set_active(0);
+    }
+}
+
+SmSym* SmSymDefineDialog::GetSymbol(const weld::ComboBox& rComboBox)
+{
+    assert((&rComboBox == m_xOldSymbols.get() || &rComboBox == m_xSymbols.get()) && "Sm : wrong combobox");
+    return m_aSymbolMgrCopy.GetSymbolByUiName(rComboBox.get_active_text());
+}
+
+IMPL_LINK(SmSymDefineDialog, OldSymbolChangeHdl, weld::ComboBox&, rComboBox, void)
+{
+    (void) rComboBox;
+    assert(&rComboBox == m_xOldSymbols.get() && "Sm : wrong argument");
+    SelectSymbol(*m_xOldSymbols, m_xOldSymbols->get_active_text(), false);
+}
+
+IMPL_LINK( SmSymDefineDialog, OldSymbolSetChangeHdl, weld::ComboBox&, rComboBox, void )
+{
+    (void) rComboBox;
+    assert(&rComboBox == m_xOldSymbolSets.get() && "Sm : wrong argument");
+    SelectSymbolSet(*m_xOldSymbolSets, m_xOldSymbolSets->get_active_text(), false);
+}
+
+IMPL_LINK(SmSymDefineDialog, ModifyHdl, weld::ComboBox&, rComboBox, void)
+{
+    // remember cursor position for later restoring of it
+    int nStartPos, nEndPos;
+    rComboBox.get_entry_selection_bounds(nStartPos, nEndPos);
+
+    if (&rComboBox == m_xSymbols.get())
+        SelectSymbol(*m_xSymbols, m_xSymbols->get_active_text(), false);
+    else if (&rComboBox == m_xSymbolSets.get())
+        SelectSymbolSet(*m_xSymbolSets, m_xSymbolSets->get_active_text(), false);
+    else if (&rComboBox == m_xOldSymbols.get())
+        // allow only names from the list
+        SelectSymbol(*m_xOldSymbols, m_xOldSymbols->get_active_text(), true);
+    else if (&rComboBox == m_xOldSymbolSets.get())
+        // allow only names from the list
+        SelectSymbolSet(*m_xOldSymbolSets, m_xOldSymbolSets->get_active_text(), true);
+    else if (&rComboBox == m_xStyles.get())
+        // allow only names from the list (that's the case here anyway)
+        SelectStyle(m_xStyles->get_active_text(), true);
+    else
+        SAL_WARN("starmath", "wrong combobox argument");
+
+    rComboBox.select_entry_region(nStartPos, nEndPos);
+
+    UpdateButtons();
+}
+
+IMPL_LINK(SmSymDefineDialog, FontChangeHdl, weld::ComboBox&, rListBox, void)
+{
+    (void) rListBox;
+    assert(&rListBox == m_xFonts.get() && "Sm : wrong argument");
+
+    SelectFont(m_xFonts->get_active_text());
+}
+
+IMPL_LINK_NOARG(SmSymDefineDialog, SubsetChangeHdl, weld::ComboBox&, void)
+{
+    int nPos = m_xFontsSubsetLB->get_active();
+    if (nPos != -1)
+    {
+        const Subset* pSubset = weld::fromId<const Subset*>(m_xFontsSubsetLB->get_active_id());
+        if (pSubset)
+        {
+            m_xCharsetDisplay->SelectCharacter( pSubset->GetRangeMin() );
+        }
+    }
+}
+
+IMPL_LINK( SmSymDefineDialog, StyleChangeHdl, weld::ComboBox&, rComboBox, void )
+{
+    (void) rComboBox;
+    assert(&rComboBox == m_xStyles.get() && "Sm : wrong argument");
+
+    SelectStyle(m_xStyles->get_active_text());
+}
+
+IMPL_LINK_NOARG(SmSymDefineDialog, CharHighlightHdl, SvxShowCharSet*, void)
+{
+    sal_UCS4 cChar = m_xCharsetDisplay->GetSelectCharacter();
+
+    if (m_xSubsetMap)
+    {
+        const Subset* pSubset = m_xSubsetMap->GetSubsetByUnicode(cChar);
+        if (pSubset)
+            m_xFontsSubsetLB->set_active_text(pSubset->GetName());
+        else
+            m_xFontsSubsetLB->set_active(-1);
+    }
+
+    m_aSymbolDisplay.SetSymbol(cChar, m_xCharsetDisplay->GetFont());
+
+    UpdateButtons();
+
+    // display Unicode position as symbol name while iterating over characters
+    const OUString aHex(OUString::number(cChar, 16).toAsciiUpperCase());
+    const OUString aPattern( (aHex.getLength() > 4) ? OUString("Ux000000") : OUString("Ux0000") );
+    OUString aUnicodePos = aPattern.subView( 0, aPattern.getLength() - aHex.getLength() ) +
+        aHex;
+    m_xSymbols->set_entry_text(aUnicodePos);
+    m_xSymbolName->set_label(aUnicodePos);
+}
+
+IMPL_LINK( SmSymDefineDialog, AddClickHdl, weld::Button&, rButton, void )
+{
+    (void) rButton;
+    assert(&rButton == m_xAddBtn.get() && "Sm : wrong argument");
+    assert(rButton.get_sensitive() && "Sm : requirements met ??");
+
+    // add symbol
+    const SmSym aNewSymbol(m_xSymbols->get_active_text(), m_xCharsetDisplay->GetFont(),
+            m_xCharsetDisplay->GetSelectCharacter(), m_xSymbolSets->get_active_text());
+    //OSL_ENSURE( m_aSymbolMgrCopy.GetSymbolByUiName(aTmpSymbolName) == NULL, "symbol already exists" );
+    m_aSymbolMgrCopy.AddOrReplaceSymbol( aNewSymbol );
+
+    // update display of new symbol
+    m_aSymbolDisplay.SetSymbol( &aNewSymbol );
+    m_xSymbolName->set_label(aNewSymbol.GetUiName());
+    m_xSymbolSetName->set_label(aNewSymbol.GetSymbolSetName());
+
+    // update list box entries
+    FillSymbolSets(*m_xOldSymbolSets, false);
+    FillSymbolSets(*m_xSymbolSets, false);
+    FillSymbols(*m_xOldSymbols, false);
+    FillSymbols(*m_xSymbols, false);
+
+    UpdateButtons();
+}
+
+IMPL_LINK( SmSymDefineDialog, ChangeClickHdl, weld::Button&, rButton, void )
+{
+    (void) rButton;
+    assert(&rButton == m_xChangeBtn.get() && "Sm : wrong argument");
+    assert(m_xChangeBtn->get_sensitive() && "Sm : requirements met ??");
+
+    // get new Symbol to use
+    //! get font from symbol-disp lay since charset-display does not keep
+    //! the bold attribute.
+    const SmSym aNewSymbol(m_xSymbols->get_active_text(), m_xCharsetDisplay->GetFont(),
+            m_xCharsetDisplay->GetSelectCharacter(), m_xSymbolSets->get_active_text());
+
+    // remove old symbol if the name was changed then add new one
+    const bool bNameChanged = m_xOldSymbols->get_active_text() != m_xSymbols->get_active_text();
+    if (bNameChanged)
+        m_aSymbolMgrCopy.RemoveSymbol(m_xOldSymbols->get_active_text());
+    m_aSymbolMgrCopy.AddOrReplaceSymbol( aNewSymbol, true );
+
+    // clear display for original symbol if necessary
+    if (bNameChanged)
+        SetOrigSymbol(nullptr, OUString());
+
+    // update display of new symbol
+    m_aSymbolDisplay.SetSymbol(&aNewSymbol);
+    m_xSymbolName->set_label(aNewSymbol.GetUiName());
+    m_xSymbolSetName->set_label(aNewSymbol.GetSymbolSetName());
+
+    // update list box entries
+    FillSymbolSets(*m_xOldSymbolSets, false);
+    FillSymbolSets(*m_xSymbolSets, false);
+    FillSymbols(*m_xOldSymbols, false);
+    FillSymbols(*m_xSymbols, false);
+
+    UpdateButtons();
+}
+
+IMPL_LINK(SmSymDefineDialog, DeleteClickHdl, weld::Button&, rButton, void)
+{
+    (void) rButton;
+    assert(&rButton == m_xDeleteBtn.get() && "Sm : wrong argument");
+    assert(m_xDeleteBtn->get_sensitive() && "Sm : requirements met ??");
+
+    if (m_xOrigSymbol)
+    {
+        m_aSymbolMgrCopy.RemoveSymbol(m_xOrigSymbol->GetUiName());
+
+        // clear display for original symbol
+        SetOrigSymbol(nullptr, OUString());
+
+        // update list box entries
+        FillSymbolSets(*m_xOldSymbolSets, false);
+        FillSymbolSets(*m_xSymbolSets,    false);
+        FillSymbols(*m_xOldSymbols ,false);
+        FillSymbols(*m_xSymbols    ,false);
+    }
+
+    UpdateButtons();
+}
+
+void SmSymDefineDialog::UpdateButtons()
+{
+    bool  bAdd    = false,
+          bChange = false,
+          bDelete = false;
+    OUString aTmpSymbolName(m_xSymbols->get_active_text()),
+             aTmpSymbolSetName(m_xSymbolSets->get_active_text());
+
+    if (!aTmpSymbolName.isEmpty() && !aTmpSymbolSetName.isEmpty())
+    {
+        // are all settings equal?
+        //! (Font-, Style- and SymbolSet name comparison is not case sensitive)
+        bool bEqual = m_xOrigSymbol
+                    && aTmpSymbolSetName.equalsIgnoreAsciiCase(m_xOldSymbolSetName->get_label())
+                    && aTmpSymbolName == m_xOrigSymbol->GetUiName()
+                    && m_xFonts->get_active_text().equalsIgnoreAsciiCase(
+                            m_xOrigSymbol->GetFace().GetFamilyName())
+                    && m_xStyles->get_active_text().equalsIgnoreAsciiCase(
+                            GetFontStyles().GetStyleName(m_xOrigSymbol->GetFace()))
+                    && m_xCharsetDisplay->GetSelectCharacter() == m_xOrigSymbol->GetCharacter();
+
+        // only add it if there isn't already a symbol with the same name
+        bAdd    = m_aSymbolMgrCopy.GetSymbolByUiName(aTmpSymbolName) == nullptr;
+
+        // only delete it if all settings are equal
+        bDelete = bool(m_xOrigSymbol);
+
+        // only change it if the old symbol exists and the new one is different
+        bChange = m_xOrigSymbol && !bEqual;
+    }
+
+    m_xAddBtn->set_sensitive(bAdd);
+    m_xChangeBtn->set_sensitive(bChange);
+    m_xDeleteBtn->set_sensitive(bDelete);
+}
+
+SmSymDefineDialog::SmSymDefineDialog(weld::Window* pParent, OutputDevice *pFntListDevice, SmSymbolManager &rMgr)
+    : GenericDialogController(pParent, "modules/smath/ui/symdefinedialog.ui", "EditSymbols")
+    , m_xVirDev(VclPtr<VirtualDevice>::Create())
+    , m_rSymbolMgr(rMgr)
+    , m_xFontList(new FontList(pFntListDevice))
+    , m_xOldSymbols(m_xBuilder->weld_combo_box("oldSymbols"))
+    , m_xOldSymbolSets(m_xBuilder->weld_combo_box("oldSymbolSets"))
+    , m_xSymbols(m_xBuilder->weld_combo_box("symbols"))
+    , m_xSymbolSets(m_xBuilder->weld_combo_box("symbolSets"))
+    , m_xFonts(m_xBuilder->weld_combo_box("fonts"))
+    , m_xFontsSubsetLB(m_xBuilder->weld_combo_box("fontsSubsetLB"))
+    , m_xStyles(m_xBuilder->weld_combo_box("styles"))
+    , m_xOldSymbolName(m_xBuilder->weld_label("oldSymbolName"))
+    , m_xOldSymbolSetName(m_xBuilder->weld_label("oldSymbolSetName"))
+    , m_xSymbolName(m_xBuilder->weld_label("symbolName"))
+    , m_xSymbolSetName(m_xBuilder->weld_label("symbolSetName"))
+    , m_xAddBtn(m_xBuilder->weld_button("add"))
+    , m_xChangeBtn(m_xBuilder->weld_button("modify"))
+    , m_xDeleteBtn(m_xBuilder->weld_button("delete"))
+    , m_xOldSymbolDisplay(new weld::CustomWeld(*m_xBuilder, "oldSymbolDisplay", m_aOldSymbolDisplay))
+    , m_xSymbolDisplay(new weld::CustomWeld(*m_xBuilder, "symbolDisplay", m_aSymbolDisplay))
+    , m_xCharsetDisplay(new SvxShowCharSet(m_xBuilder->weld_scrolled_window("showscroll", true), m_xVirDev))
+    , m_xCharsetDisplayArea(new weld::CustomWeld(*m_xBuilder, "charsetDisplay", *m_xCharsetDisplay))
+{
+    // auto completion is troublesome since that symbols character also gets automatically selected in the
+    // display and if the user previously selected a character to define/redefine that one this is bad
+    m_xOldSymbols->set_entry_completion(false);
+    m_xSymbols->set_entry_completion(false);
+
+    FillFonts();
+    if (m_xFonts->get_count() > 0)
+        SelectFont(m_xFonts->get_text(0));
+
+    SetSymbolSetManager(m_rSymbolMgr);
+
+    m_xOldSymbols->connect_changed(LINK(this, SmSymDefineDialog, OldSymbolChangeHdl));
+    m_xOldSymbolSets->connect_changed(LINK(this, SmSymDefineDialog, OldSymbolSetChangeHdl));
+    m_xSymbolSets->connect_changed(LINK(this, SmSymDefineDialog, ModifyHdl));
+    m_xOldSymbolSets->connect_changed(LINK(this, SmSymDefineDialog, ModifyHdl));
+    m_xSymbols->connect_changed(LINK(this, SmSymDefineDialog, ModifyHdl));
+    m_xOldSymbols->connect_changed(LINK(this, SmSymDefineDialog, ModifyHdl));
+    m_xStyles->connect_changed(LINK(this, SmSymDefineDialog, ModifyHdl));
+    m_xFonts->connect_changed(LINK(this, SmSymDefineDialog, FontChangeHdl));
+    m_xFontsSubsetLB->connect_changed(LINK(this, SmSymDefineDialog, SubsetChangeHdl));
+    m_xStyles->connect_changed(LINK(this, SmSymDefineDialog, StyleChangeHdl));
+    m_xAddBtn->connect_clicked(LINK(this, SmSymDefineDialog, AddClickHdl));
+    m_xChangeBtn->connect_clicked(LINK(this, SmSymDefineDialog, ChangeClickHdl));
+    m_xDeleteBtn->connect_clicked(LINK(this, SmSymDefineDialog, DeleteClickHdl));
+    m_xCharsetDisplay->SetHighlightHdl( LINK( this, SmSymDefineDialog, CharHighlightHdl ) );
+}
+
+SmSymDefineDialog::~SmSymDefineDialog()
+{
+}
+
+short SmSymDefineDialog::run()
+{
+    short nResult = GenericDialogController::run();
+
+    // apply changes if dialog was closed by clicking OK
+    if (m_aSymbolMgrCopy.IsModified() && nResult == RET_OK)
+        m_rSymbolMgr = m_aSymbolMgrCopy;
+
+    return nResult;
+}
+
+void SmSymDefineDialog::SetSymbolSetManager(const SmSymbolManager &rMgr)
+{
+    m_aSymbolMgrCopy = rMgr;
+
+    // Set the modified flag of the copy to false so that
+    // we can check later on if anything has been changed
+    m_aSymbolMgrCopy.SetModified(false);
+
+    FillSymbolSets(*m_xOldSymbolSets);
+    if (m_xOldSymbolSets->get_count() > 0)
+        SelectSymbolSet(m_xOldSymbolSets->get_text(0));
+    FillSymbolSets(*m_xSymbolSets);
+    if (m_xSymbolSets->get_count() > 0)
+        SelectSymbolSet(m_xSymbolSets->get_text(0));
+    FillSymbols(*m_xOldSymbols);
+    if (m_xOldSymbols->get_count() > 0)
+        SelectSymbol(m_xOldSymbols->get_text(0));
+    FillSymbols(*m_xSymbols);
+    if (m_xSymbols->get_count() > 0)
+        SelectSymbol(m_xSymbols->get_text(0));
+
+    UpdateButtons();
+}
+
+bool SmSymDefineDialog::SelectSymbolSet(weld::ComboBox& rComboBox,
+        std::u16string_view rSymbolSetName, bool bDeleteText)
+{
+    assert((&rComboBox == m_xOldSymbolSets.get() || &rComboBox == m_xSymbolSets.get()) && "Sm : wrong ComboBox");
+
+    // trim SymbolName (no leading and trailing blanks)
+    OUString aNormName( comphelper::string::strip(rSymbolSetName, ' ') );
+    // and remove possible deviations within the input
+    rComboBox.set_entry_text(aNormName);
+
+    bool   bRet = false;
+    int nPos = rComboBox.find_text(aNormName);
+
+    if (nPos != -1)
+    {
+        rComboBox.set_active(nPos);
+        bRet = true;
+    }
+    else if (bDeleteText)
+        rComboBox.set_entry_text(OUString());
+
+    bool  bIsOld = &rComboBox == m_xOldSymbolSets.get();
+
+    // setting the SymbolSet name at the associated display
+    weld::Label& rFT = bIsOld ? *m_xOldSymbolSetName : *m_xSymbolSetName;
+    rFT.set_label(rComboBox.get_active_text());
+
+    // set the symbol name which belongs to the SymbolSet at the associated combobox
+    weld::ComboBox& rCB = bIsOld ? *m_xOldSymbols : *m_xSymbols;
+    FillSymbols(rCB, false);
+
+    // display a valid respectively no symbol when changing the SymbolSets
+    if (bIsOld)
+    {
+        OUString aTmpOldSymbolName;
+        if (m_xOldSymbols->get_count() > 0)
+            aTmpOldSymbolName = m_xOldSymbols->get_text(0);
+        SelectSymbol(*m_xOldSymbols, aTmpOldSymbolName, true);
+    }
+
+    UpdateButtons();
+
+    return bRet;
+}
+
+void SmSymDefineDialog::SetOrigSymbol(const SmSym *pSymbol,
+                                      const OUString &rSymbolSetName)
+{
+    // clear old symbol
+    m_xOrigSymbol.reset();
+
+    OUString   aSymName,
+                aSymSetName;
+    if (pSymbol)
+    {
+        // set new symbol
+        m_xOrigSymbol.reset(new SmSym(*pSymbol));
+
+        aSymName    = pSymbol->GetUiName();
+        aSymSetName = rSymbolSetName;
+        m_aOldSymbolDisplay.SetSymbol( pSymbol );
+    }
+    else
+    {   // delete displayed symbols
+        m_aOldSymbolDisplay.SetText(OUString());
+        m_aOldSymbolDisplay.Invalidate();
+    }
+    m_xOldSymbolName->set_label(aSymName);
+    m_xOldSymbolSetName->set_label(aSymSetName);
+}
+
+
+bool SmSymDefineDialog::SelectSymbol(weld::ComboBox& rComboBox,
+        const OUString &rSymbolName, bool bDeleteText)
+{
+    assert((&rComboBox == m_xOldSymbols.get() || &rComboBox == m_xSymbols.get()) && "Sm : wrong ComboBox");
+
+    // trim SymbolName (no blanks)
+    OUString  aNormName = rSymbolName.replaceAll(" ", "");
+    // and remove possible deviations within the input
+    rComboBox.set_entry_text(aNormName);
+
+    bool   bRet = false;
+    int nPos = rComboBox.find_text(aNormName);
+
+    bool  bIsOld = &rComboBox == m_xOldSymbols.get();
+
+    if (nPos != -1)
+    {
+        rComboBox.set_active(nPos);
+
+        if (!bIsOld)
+        {
+            const SmSym *pSymbol = GetSymbol(*m_xSymbols);
+            if (pSymbol)
+            {
+                // choose font and style accordingly
+                const vcl::Font &rFont = pSymbol->GetFace();
+                SelectFont(rFont.GetFamilyName(), false);
+                SelectStyle(GetFontStyles().GetStyleName(rFont), false);
+
+                // Since setting the Font via the Style name of the SymbolFonts doesn't
+                // work really well (e.g. it can be empty even though the font itself is
+                // bold or italic) we're manually setting the Font with respect to the Symbol
+                m_xCharsetDisplay->SetFont(rFont);
+                m_aSymbolDisplay.SetFont(rFont);
+
+                // select associated character
+                SelectChar(pSymbol->GetCharacter());
+
+                // since SelectChar will also set the unicode point as text in the
+                // symbols box, we have to set the symbol name again to get that one displayed
+                m_xSymbols->set_entry_text(pSymbol->GetUiName());
+            }
+        }
+
+        bRet = true;
+    }
+    else if (bDeleteText)
+        rComboBox.set_entry_text(OUString());
+
+    if (bIsOld)
+    {
+        // if there's a change of the old symbol, show only the available ones, otherwise show none
+        const SmSym *pOldSymbol = nullptr;
+        OUString     aTmpOldSymbolSetName;
+        if (nPos != -1)
+        {
+            pOldSymbol        = m_aSymbolMgrCopy.GetSymbolByUiName(aNormName);
+            aTmpOldSymbolSetName = m_xOldSymbolSets->get_active_text();
+        }
+        SetOrigSymbol(pOldSymbol, aTmpOldSymbolSetName);
+    }
+    else
+        m_xSymbolName->set_label(rComboBox.get_active_text());
+
+    UpdateButtons();
+
+    return bRet;
+}
+
+
+void SmSymDefineDialog::SetFont(const OUString &rFontName, std::u16string_view rStyleName)
+{
+    // get Font (FontInfo) matching name and style
+    FontMetric aFontMetric;
+    if (m_xFontList)
+        aFontMetric = m_xFontList->Get(rFontName, WEIGHT_NORMAL, ITALIC_NONE);
+    SetFontStyle(rStyleName, aFontMetric);
+
+    m_xCharsetDisplay->SetFont(aFontMetric);
+    m_aSymbolDisplay.SetFont(aFontMetric);
+
+    // update subset listbox for new font's unicode subsets
+    FontCharMapRef xFontCharMap = m_xCharsetDisplay->GetFontCharMap();
+    m_xSubsetMap.reset(new SubsetMap( xFontCharMap ));
+
+    m_xFontsSubsetLB->clear();
+    bool bFirst = true;
+    for (auto & subset : m_xSubsetMap->GetSubsetMap())
+    {
+        m_xFontsSubsetLB->append(weld::toId(&subset), subset.GetName());
+        // subset must live at least as long as the selected font !!!
+        if (bFirst)
+            m_xFontsSubsetLB->set_active(0);
+        bFirst = false;
+    }
+    if (bFirst)
+        m_xFontsSubsetLB->set_active(-1);
+    m_xFontsSubsetLB->set_sensitive(!bFirst);
+}
+
+bool SmSymDefineDialog::SelectFont(const OUString &rFontName, bool bApplyFont)
+{
+    bool   bRet = false;
+    int nPos = m_xFonts->find_text(rFontName);
+
+    if (nPos != -1)
+    {
+        m_xFonts->set_active(nPos);
+        if (m_xStyles->get_count() > 0)
+            SelectStyle(m_xStyles->get_text(0));
+        if (bApplyFont)
+        {
+            SetFont(m_xFonts->get_active_text(), m_xStyles->get_active_text());
+            m_aSymbolDisplay.SetSymbol(m_xCharsetDisplay->GetSelectCharacter(), m_xCharsetDisplay->GetFont());
+        }
+        bRet = true;
+    }
+    else
+        m_xFonts->set_active(-1);
+    FillStyles();
+
+    UpdateButtons();
+
+    return bRet;
+}
+
+
+bool SmSymDefineDialog::SelectStyle(const OUString &rStyleName, bool bApplyFont)
+{
+    bool   bRet = false;
+    int nPos = m_xStyles->find_text(rStyleName);
+
+    // if the style is not available take the first available one (if existent)
+    if (nPos == -1 && m_xStyles->get_count() > 0)
+        nPos = 0;
+
+    if (nPos != -1)
+    {
+        m_xStyles->set_active(nPos);
+        if (bApplyFont)
+        {
+            SetFont(m_xFonts->get_active_text(), m_xStyles->get_active_text());
+            m_aSymbolDisplay.SetSymbol(m_xCharsetDisplay->GetSelectCharacter(), m_xCharsetDisplay->GetFont());
+        }
+        bRet = true;
+    }
+    else
+        m_xStyles->set_entry_text(OUString());
+
+    UpdateButtons();
+
+    return bRet;
+}
+
+void SmSymDefineDialog::SelectChar(sal_Unicode cChar)
+{
+    m_xCharsetDisplay->SelectCharacter( cChar );
+    m_aSymbolDisplay.SetSymbol(cChar, m_xCharsetDisplay->GetFont());
+
+    UpdateButtons();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/document.cxx b/starmath/source/document.cxx
new file mode 100644
index 0000000000..ff28f448cb
--- /dev/null
+++ b/starmath/source/document.cxx
@@ -0,0 +1,1583 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <com/sun/star/accessibility/AccessibleEventId.hpp>
+#include <com/sun/star/uno/Any.h>
+
+#include <comphelper/fileformat.h>
+#include <comphelper/accessibletexthelper.hxx>
+#include <comphelper/string.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <rtl/ustring.hxx>
+#include <sal/log.hxx>
+#include <unotools/eventcfg.hxx>
+#include <sfx2/event.hxx>
+#include <sfx2/app.hxx>
+#include <sfx2/bindings.hxx>
+#include <sfx2/docfile.hxx>
+#include <sfx2/docfilt.hxx>
+#include <sfx2/msg.hxx>
+#include <sfx2/objface.hxx>
+#include <sfx2/printer.hxx>
+#include <sfx2/request.hxx>
+#include <sfx2/viewfrm.hxx>
+#include <comphelper/classids.hxx>
+#include <sot/formats.hxx>
+#include <sot/storage.hxx>
+#include <svl/eitem.hxx>
+#include <svl/intitem.hxx>
+#include <svl/itempool.hxx>
+#include <svl/slstitm.hxx>
+#include <svl/hint.hxx>
+#include <svl/stritem.hxx>
+#include <svl/undo.hxx>
+#include <svl/whiter.hxx>
+#include <vcl/mapmod.hxx>
+#include <vcl/virdev.hxx>
+#include <tools/mapunit.hxx>
+#include <vcl/settings.hxx>
+
+#include <document.hxx>
+#include <action.hxx>
+#include <dialog.hxx>
+#include <format.hxx>
+#include <parse.hxx>
+#include <starmath.hrc>
+#include <strings.hrc>
+#include <smmod.hxx>
+#include <symbol.hxx>
+#include <unomodel.hxx>
+#include <utility.hxx>
+#include <view.hxx>
+#include "mathtype.hxx"
+#include "ooxmlexport.hxx"
+#include "ooxmlimport.hxx"
+#include "rtfexport.hxx"
+#include <mathmlimport.hxx>
+#include <mathmlexport.hxx>
+#include <svx/svxids.hrc>
+#include <cursor.hxx>
+#include <comphelper/diagnose_ex.hxx>
+#include <visitors.hxx>
+#include "accessibility.hxx"
+#include <cfgitem.hxx>
+#include <utility>
+#include <oox/mathml/imexport.hxx>
+#include <ElementsDockingWindow.hxx>
+#include <smediteng.hxx>
+#include <editeng/editund2.hxx>
+
+#define ShellClass_SmDocShell
+#include <smslots.hxx>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::accessibility;
+using namespace ::com::sun::star::uno;
+
+
+SFX_IMPL_SUPERCLASS_INTERFACE(SmDocShell, SfxObjectShell)
+
+void SmDocShell::InitInterface_Impl()
+{
+    GetStaticInterface()->RegisterPopupMenu("view");
+}
+
+void SmDocShell::SetSmSyntaxVersion(sal_Int16 nSmSyntaxVersion)
+{
+    mnSmSyntaxVersion = nSmSyntaxVersion;
+    maParser.reset(starmathdatabase::GetVersionSmParser(mnSmSyntaxVersion));
+}
+
+SFX_IMPL_OBJECTFACTORY(SmDocShell, SvGlobalName(SO3_SM_CLASSID), "smath" )
+
+void SmDocShell::Notify(SfxBroadcaster&, const SfxHint& rHint)
+{
+    if (rHint.GetId() == SfxHintId::MathFormatChanged)
+    {
+        SetFormulaArranged(false);
+
+        mnModifyCount++;     //! see comment for SID_GRAPHIC_SM in SmDocShell::GetState
+
+        Repaint();
+    }
+}
+
+void SmDocShell::LoadSymbols()
+{
+    SmModule *pp = SM_MOD();
+    pp->GetSymbolManager().Load();
+}
+
+
+OUString SmDocShell::GetComment() const
+{
+    uno::Reference<document::XDocumentPropertiesSupplier> xDPS(
+        GetModel(), uno::UNO_QUERY_THROW);
+    uno::Reference<document::XDocumentProperties> xDocProps(
+        xDPS->getDocumentProperties());
+    return xDocProps->getDescription();
+}
+
+
+void SmDocShell::SetText(const OUString& rBuffer)
+{
+    if (rBuffer == maText)
+        return;
+
+    bool bIsEnabled = IsEnableSetModified();
+    if( bIsEnabled )
+        EnableSetModified( false );
+
+    maText = rBuffer;
+    SetFormulaArranged( false );
+
+    Parse();
+
+    SmViewShell *pViewSh = SmGetActiveView();
+    if (pViewSh)
+    {
+        pViewSh->GetViewFrame().GetBindings().Invalidate(SID_TEXT);
+        if ( SfxObjectCreateMode::EMBEDDED == GetCreateMode() )
+        {
+            // have SwOleClient::FormatChanged() to align the modified formula properly
+            // even if the visible area does not change (e.g. when formula text changes from
+            // "{a over b + c} over d" to "d over {a over b + c}"
+            SfxGetpApp()->NotifyEvent(SfxEventHint( SfxEventHintId::VisAreaChanged, GlobalEventConfig::GetEventName(GlobalEventId::VISAREACHANGED), this));
+
+            Repaint();
+        }
+        else
+            pViewSh->GetGraphicWidget().Invalidate();
+    }
+
+    if ( bIsEnabled )
+        EnableSetModified( bIsEnabled );
+    SetModified();
+
+    // launch accessible event if necessary
+    SmGraphicAccessible *pAcc = pViewSh ? pViewSh->GetGraphicWidget().GetAccessible_Impl() : nullptr;
+    if (pAcc)
+    {
+        Any aOldValue, aNewValue;
+        if ( comphelper::OCommonAccessibleText::implInitTextChangedEvent( maText, rBuffer, aOldValue, aNewValue ) )
+        {
+            pAcc->LaunchEvent( AccessibleEventId::TEXT_CHANGED,
+                    aOldValue, aNewValue );
+        }
+    }
+
+    if ( GetCreateMode() == SfxObjectCreateMode::EMBEDDED )
+        OnDocumentPrinterChanged(nullptr);
+}
+
+void SmDocShell::SetFormat(SmFormat const & rFormat)
+{
+    maFormat = rFormat;
+    SetFormulaArranged( false );
+    SetModified();
+
+    mnModifyCount++;     //! see comment for SID_GRAPHIC_SM in SmDocShell::GetState
+
+    // don't use SmGetActiveView since the view shell might not be active (0 pointer)
+    // if for example the Basic Macro dialog currently has the focus. Thus:
+    SfxViewFrame* pFrm = SfxViewFrame::GetFirst( this );
+    while (pFrm)
+    {
+        pFrm->GetBindings().Invalidate(SID_GRAPHIC_SM);
+        pFrm = SfxViewFrame::GetNext( *pFrm, this );
+    }
+}
+
+OUString const & SmDocShell::GetAccessibleText()
+{
+    ArrangeFormula();
+    if (maAccText.isEmpty())
+    {
+        OSL_ENSURE( mpTree, "Tree missing" );
+        if (mpTree)
+        {
+            OUStringBuffer aBuf;
+            mpTree->GetAccessibleText(aBuf);
+            maAccText = aBuf.makeStringAndClear();
+        }
+    }
+    return maAccText;
+}
+
+void SmDocShell::Parse()
+{
+    mpTree.reset();
+    ReplaceBadChars();
+    mpTree = maParser->Parse(maText);
+    mnModifyCount++;     //! see comment for SID_GRAPHIC_SM in SmDocShell::GetState
+    SetFormulaArranged( false );
+    InvalidateCursor();
+    maUsedSymbols = maParser->GetUsedSymbols();
+}
+
+
+void SmDocShell::ArrangeFormula()
+{
+    if (mbFormulaArranged)
+        return;
+
+    // Only for the duration of the existence of this object the correct settings
+    // at the printer are guaranteed!
+    SmPrinterAccess  aPrtAcc(*this);
+    OutputDevice* pOutDev = aPrtAcc.GetRefDev();
+
+    SAL_WARN_IF( !pOutDev, "starmath", "!! SmDocShell::ArrangeFormula: reference device missing !!");
+
+    // if necessary get another OutputDevice for which we format
+    if (!pOutDev)
+    {
+        if (SmViewShell *pView = SmGetActiveView())
+            pOutDev = &pView->GetGraphicWidget().GetDrawingArea()->get_ref_device();
+        else
+        {
+            pOutDev = &SM_MOD()->GetDefaultVirtualDev();
+            pOutDev->SetMapMode( MapMode(SmMapUnit()) );
+        }
+    }
+    OSL_ENSURE(pOutDev->GetMapMode().GetMapUnit() == SmMapUnit(),
+               "Sm : wrong MapMode");
+
+    const SmFormat &rFormat = GetFormat();
+    mpTree->Prepare(rFormat, *this, 0);
+
+    pOutDev->Push(vcl::PushFlags::TEXTLAYOUTMODE | vcl::PushFlags::TEXTLANGUAGE |
+                  vcl::PushFlags::RTLENABLED);
+
+    // We want the device to always be LTR, we handle RTL formulas ourselves.
+    pOutDev->EnableRTL(false);
+
+    // For RTL formulas, we want the brackets to be mirrored.
+    bool bRTL = GetFormat().IsRightToLeft();
+    pOutDev->SetLayoutMode(bRTL ? vcl::text::ComplexTextLayoutFlags::BiDiRtl
+                                : vcl::text::ComplexTextLayoutFlags::Default);
+
+    // Numbers should not be converted, for now.
+    pOutDev->SetDigitLanguage( LANGUAGE_ENGLISH );
+
+    mpTree->Arrange(*pOutDev, rFormat);
+
+    pOutDev->Pop();
+
+    SetFormulaArranged(true);
+
+    // invalidate accessible text
+    maAccText.clear();
+}
+
+void SmDocShell::UpdateEditEngineDefaultFonts()
+{
+    SmEditEngine::setSmItemPool(mpEditEngineItemPool.get(), maLinguOptions);
+}
+
+EditEngine& SmDocShell::GetEditEngine()
+{
+    if (!mpEditEngine)
+    {
+        //!
+        //! see also SmEditWindow::DataChanged !
+        //!
+        mpEditEngineItemPool = EditEngine::CreatePool();
+        SmEditEngine::setSmItemPool(mpEditEngineItemPool.get(), maLinguOptions);
+        mpEditEngine.reset( new SmEditEngine( mpEditEngineItemPool.get() ) );
+        mpEditEngine->EraseVirtualDevice();
+
+        // set initial text if the document already has some...
+        // (may be the case when reloading a doc)
+        OUString aTxt( GetText() );
+        if (!aTxt.isEmpty())
+            mpEditEngine->SetText( aTxt );
+        mpEditEngine->ClearModifyFlag();
+    }
+    return *mpEditEngine;
+}
+
+
+void SmDocShell::DrawFormula(OutputDevice &rDev, Point &rPosition, bool bDrawSelection)
+{
+    if (!mpTree)
+        Parse();
+    OSL_ENSURE(mpTree, "Sm : NULL pointer");
+
+    ArrangeFormula();
+
+    bool bRTL = GetFormat().IsRightToLeft();
+
+    // Problem: What happens to WYSIWYG? While we're active inplace, we don't have a reference
+    // device and aren't aligned to that either. So now there can be a difference between the
+    // VisArea (i.e. the size within the client) and the current size.
+    // Idea: The difference could be adapted with SmNod::SetSize (no long-term solution)
+
+    rPosition.AdjustX(maFormat.GetDistance( DIS_LEFTSPACE ) );
+    rPosition.AdjustY(maFormat.GetDistance( DIS_TOPSPACE  ) );
+
+    Point aPosition(rPosition);
+    if (bRTL && rDev.GetOutDevType() != OUTDEV_WINDOW)
+        aPosition.AdjustX(GetSize().Width()
+                          - maFormat.GetDistance(DIS_LEFTSPACE)
+                          - maFormat.GetDistance(DIS_RIGHTSPACE));
+
+    //! in case of high contrast-mode (accessibility option!)
+    //! the draw mode needs to be set to default, because when embedding
+    //! Math for example in Calc in "a over b" the fraction bar may not
+    //! be visible else. More generally: the FillColor may have been changed.
+    DrawModeFlags nOldDrawMode = DrawModeFlags::Default;
+    bool bRestoreDrawMode = false;
+    if (OUTDEV_WINDOW == rDev.GetOutDevType() &&
+        rDev.GetOwnerWindow()->GetSettings().GetStyleSettings().GetHighContrastMode())
+    {
+        nOldDrawMode = rDev.GetDrawMode();
+        rDev.SetDrawMode( DrawModeFlags::Default );
+        bRestoreDrawMode = true;
+    }
+
+    rDev.Push(vcl::PushFlags::TEXTLAYOUTMODE | vcl::PushFlags::TEXTLANGUAGE |
+              vcl::PushFlags::RTLENABLED);
+
+    // We want the device to always be LTR, we handle RTL formulas ourselves.
+    if (rDev.GetOutDevType() == OUTDEV_WINDOW)
+        rDev.EnableRTL(bRTL);
+    else
+        rDev.EnableRTL(false);
+
+    auto nLayoutFlags = vcl::text::ComplexTextLayoutFlags::Default;
+    if (bRTL)
+    {
+        // For RTL formulas, we want the brackets to be mirrored.
+        nLayoutFlags |= vcl::text::ComplexTextLayoutFlags::BiDiRtl;
+        if (rDev.GetOutDevType() == OUTDEV_WINDOW)
+            nLayoutFlags |= vcl::text::ComplexTextLayoutFlags::TextOriginLeft;
+    }
+
+    rDev.SetLayoutMode(nLayoutFlags);
+
+    // Numbers should not be converted, for now.
+    rDev.SetDigitLanguage( LANGUAGE_ENGLISH );
+
+    //Set selection if any
+    if(mpCursor && bDrawSelection){
+        mpCursor->AnnotateSelection();
+        SmSelectionDrawingVisitor(rDev, mpTree.get(), aPosition);
+    }
+
+    //Drawing using visitor
+    SmDrawingVisitor(rDev, aPosition, mpTree.get(), GetFormat());
+
+    rDev.Pop();
+
+    if (bRestoreDrawMode)
+        rDev.SetDrawMode( nOldDrawMode );
+}
+
+Size SmDocShell::GetSize()
+{
+    Size aRet;
+
+    if (!mpTree)
+        Parse();
+
+    if (mpTree)
+    {
+        ArrangeFormula();
+        aRet = mpTree->GetSize();
+
+        if ( !aRet.Width() || aRet.Width() == 1 )
+            aRet.setWidth( 2000 );
+        else
+            aRet.AdjustWidth(maFormat.GetDistance( DIS_LEFTSPACE ) +
+                             maFormat.GetDistance( DIS_RIGHTSPACE ) );
+        if ( !aRet.Height() )
+            aRet.setHeight( 1000 );
+        else
+            aRet.AdjustHeight(maFormat.GetDistance( DIS_TOPSPACE ) +
+                             maFormat.GetDistance( DIS_BOTTOMSPACE ) );
+    }
+
+    return aRet;
+}
+
+void SmDocShell::InvalidateCursor(){
+    mpCursor.reset();
+}
+
+SmCursor& SmDocShell::GetCursor(){
+    if(!mpCursor)
+        mpCursor.reset(new SmCursor(mpTree.get(), this));
+    return *mpCursor;
+}
+
+bool SmDocShell::HasCursor() const { return mpCursor != nullptr; }
+
+SmPrinterAccess::SmPrinterAccess( SmDocShell &rDocShell )
+{
+    pPrinter = rDocShell.GetPrt();
+    if ( pPrinter )
+    {
+        pPrinter->Push( vcl::PushFlags::MAPMODE );
+        if ( SfxObjectCreateMode::EMBEDDED == rDocShell.GetCreateMode() )
+        {
+            // if it is an embedded object (without its own printer)
+            // we change the MapMode temporarily.
+            //!If it is a document with its own printer the MapMode should
+            //!be set correct (once) elsewhere(!), in order to avoid numerous
+            //!superfluous pushing and popping of the MapMode when using
+            //!this class.
+
+            const MapUnit eOld = pPrinter->GetMapMode().GetMapUnit();
+            if ( SmMapUnit() != eOld )
+            {
+                MapMode aMap( pPrinter->GetMapMode() );
+                aMap.SetMapUnit( SmMapUnit() );
+                Point aTmp( aMap.GetOrigin() );
+                aTmp.setX( OutputDevice::LogicToLogic( aTmp.X(), eOld, SmMapUnit() ) );
+                aTmp.setY( OutputDevice::LogicToLogic( aTmp.Y(), eOld, SmMapUnit() ) );
+                aMap.SetOrigin( aTmp );
+                pPrinter->SetMapMode( aMap );
+            }
+        }
+    }
+    pRefDev = rDocShell.GetRefDev();
+    if ( !pRefDev || pPrinter.get() == pRefDev.get() )
+        return;
+
+    pRefDev->Push( vcl::PushFlags::MAPMODE );
+    if ( SfxObjectCreateMode::EMBEDDED != rDocShell.GetCreateMode() )
+        return;
+
+    // if it is an embedded object (without its own printer)
+    // we change the MapMode temporarily.
+    //!If it is a document with its own printer the MapMode should
+    //!be set correct (once) elsewhere(!), in order to avoid numerous
+    //!superfluous pushing and popping of the MapMode when using
+    //!this class.
+
+    const MapUnit eOld = pRefDev->GetMapMode().GetMapUnit();
+    if ( SmMapUnit() != eOld )
+    {
+        MapMode aMap( pRefDev->GetMapMode() );
+        aMap.SetMapUnit( SmMapUnit() );
+        Point aTmp( aMap.GetOrigin() );
+        aTmp.setX( OutputDevice::LogicToLogic( aTmp.X(), eOld, SmMapUnit() ) );
+        aTmp.setY( OutputDevice::LogicToLogic( aTmp.Y(), eOld, SmMapUnit() ) );
+        aMap.SetOrigin( aTmp );
+        pRefDev->SetMapMode( aMap );
+    }
+}
+
+SmPrinterAccess::~SmPrinterAccess()
+{
+    if ( pPrinter )
+        pPrinter->Pop();
+    if ( pRefDev && pRefDev != pPrinter )
+        pRefDev->Pop();
+}
+
+Printer* SmDocShell::GetPrt()
+{
+    if (SfxObjectCreateMode::EMBEDDED == GetCreateMode())
+    {
+        // Normally the server provides the printer. But if it doesn't provide one (e.g. because
+        // there is no connection) it still can be the case that we know the printer because it
+        // has been passed on by the server in OnDocumentPrinterChanged and being kept temporarily.
+        Printer* pPrt = GetDocumentPrinter();
+        if (!pPrt && mpTmpPrinter)
+            pPrt = mpTmpPrinter;
+        return pPrt;
+    }
+    else if (!mpPrinter)
+    {
+        auto pOptions = std::make_unique<SfxItemSetFixed<
+                SID_PRINTTITLE, SID_PRINTZOOM,
+                SID_NO_RIGHT_SPACES, SID_SAVE_ONLY_USED_SYMBOLS,
+                SID_AUTO_CLOSE_BRACKETS, SID_SMEDITWINDOWZOOM,
+                SID_INLINE_EDIT_ENABLE, SID_INLINE_EDIT_ENABLE>>(GetPool());
+        SmModule *pp = SM_MOD();
+        pp->GetConfig()->ConfigToItemSet(*pOptions);
+        mpPrinter = VclPtr<SfxPrinter>::Create(std::move(pOptions));
+        mpPrinter->SetMapMode(MapMode(SmMapUnit()));
+    }
+    return mpPrinter;
+}
+
+OutputDevice* SmDocShell::GetRefDev()
+{
+    if (SfxObjectCreateMode::EMBEDDED == GetCreateMode())
+    {
+        OutputDevice* pOutDev = GetDocumentRefDev();
+        if (pOutDev)
+            return pOutDev;
+    }
+
+    return GetPrt();
+}
+
+void SmDocShell::SetPrinter( SfxPrinter *pNew )
+{
+    mpPrinter.disposeAndClear();
+    mpPrinter = pNew;    //Transfer ownership
+    mpPrinter->SetMapMode( MapMode(SmMapUnit()) );
+    SetFormulaArranged(false);
+    Repaint();
+}
+
+void SmDocShell::OnDocumentPrinterChanged( Printer *pPrt )
+{
+    mpTmpPrinter = pPrt;
+    SetFormulaArranged(false);
+    Size aOldSize = GetVisArea().GetSize();
+    Repaint();
+    if( aOldSize != GetVisArea().GetSize() && !maText.isEmpty() )
+        SetModified();
+    mpTmpPrinter = nullptr;
+}
+
+void SmDocShell::Repaint()
+{
+    bool bIsEnabled = IsEnableSetModified();
+    if (bIsEnabled)
+        EnableSetModified( false );
+
+    SetFormulaArranged(false);
+
+    Size aVisSize = GetSize();
+    SetVisAreaSize(aVisSize);
+    if (SmViewShell* pViewSh = SmGetActiveView())
+        pViewSh->GetGraphicWidget().Invalidate();
+
+    if (bIsEnabled)
+        EnableSetModified(bIsEnabled);
+}
+
+SmDocShell::SmDocShell( SfxModelFlags i_nSfxCreationFlags )
+    : SfxObjectShell(i_nSfxCreationFlags)
+    , m_pMlElementTree(nullptr)
+    , mpPrinter(nullptr)
+    , mpTmpPrinter(nullptr)
+    , mnModifyCount(0)
+    , mbFormulaArranged(false)
+    , mnSmSyntaxVersion(SM_MOD()->GetConfig()->GetDefaultSmSyntaxVersion())
+{
+    SvtLinguConfig().GetOptions(maLinguOptions);
+
+    SetPool(&SfxGetpApp()->GetPool());
+
+    SmModule *pp = SM_MOD();
+    maFormat = pp->GetConfig()->GetStandardFormat();
+
+    StartListening(maFormat);
+    StartListening(*pp->GetConfig());
+
+    SetBaseModel(new SmModel(this));
+    SetSmSyntaxVersion(mnSmSyntaxVersion);
+
+    SetMapUnit(SmMapUnit());
+}
+
+SmDocShell::~SmDocShell()
+{
+    SmModule *pp = SM_MOD();
+
+    EndListening(maFormat);
+    EndListening(*pp->GetConfig());
+
+    mpCursor.reset();
+    mpEditEngine.reset();
+    mpEditEngineItemPool.clear();
+    mpPrinter.disposeAndClear();
+
+    mathml::SmMlIteratorFree(m_pMlElementTree);
+}
+
+bool SmDocShell::ConvertFrom(SfxMedium &rMedium)
+{
+    bool     bSuccess = false;
+    const OUString& rFltName = rMedium.GetFilter()->GetFilterName();
+
+    OSL_ENSURE( rFltName != STAROFFICE_XML, "Wrong filter!");
+
+    if ( rFltName == MATHML_XML )
+    {
+        if (mpTree)
+        {
+            mpTree.reset();
+            InvalidateCursor();
+        }
+        rtl::Reference<SmModel> xModel(dynamic_cast<SmModel*>(GetModel().get()));
+        SmXMLImportWrapper aEquation(xModel);
+        aEquation.useHTMLMLEntities(true);
+        bSuccess = ( ERRCODE_NONE == aEquation.Import(rMedium) );
+    }
+    else
+    {
+        SvStream *pStream = rMedium.GetInStream();
+        if ( pStream )
+        {
+            if ( SotStorage::IsStorageFile( pStream ) )
+            {
+                tools::SvRef<SotStorage> aStorage = new SotStorage( pStream, false );
+                if ( aStorage->IsStream("Equation Native") )
+                {
+                    // is this a MathType Storage?
+                    OUStringBuffer aBuffer;
+                    MathType aEquation(aBuffer);
+                    bSuccess = aEquation.Parse( aStorage.get() );
+                    if ( bSuccess )
+                    {
+                        maText = aBuffer.makeStringAndClear();
+                        Parse();
+                    }
+                }
+            }
+        }
+    }
+
+    if ( GetCreateMode() == SfxObjectCreateMode::EMBEDDED )
+    {
+        SetFormulaArranged( false );
+        Repaint();
+    }
+
+    FinishedLoading();
+    return bSuccess;
+}
+
+
+bool SmDocShell::InitNew( const uno::Reference < embed::XStorage >& xStorage )
+{
+    bool bRet = false;
+    if ( SfxObjectShell::InitNew( xStorage ) )
+    {
+        bRet = true;
+        SetVisArea(tools::Rectangle(Point(0, 0), Size(2000, 1000)));
+    }
+    return bRet;
+}
+
+
+bool SmDocShell::Load( SfxMedium& rMedium )
+{
+    bool bRet = false;
+    if( SfxObjectShell::Load( rMedium ))
+    {
+        uno::Reference < embed::XStorage > xStorage = GetMedium()->GetStorage();
+        if (xStorage->hasByName("content.xml") && xStorage->isStreamElement("content.xml"))
+        {
+            // is this a fabulous math package ?
+            rtl::Reference<SmModel> xModel(dynamic_cast<SmModel*>(GetModel().get()));
+            SmXMLImportWrapper aEquation(xModel);
+            auto nError = aEquation.Import(rMedium);
+            bRet = ERRCODE_NONE == nError;
+            SetError(nError);
+        }
+    }
+
+    if ( GetCreateMode() == SfxObjectCreateMode::EMBEDDED )
+    {
+        SetFormulaArranged( false );
+        Repaint();
+    }
+
+    FinishedLoading();
+    return bRet;
+}
+
+
+bool SmDocShell::Save()
+{
+    //! apply latest changes if necessary
+    UpdateText();
+
+    if ( SfxObjectShell::Save() )
+    {
+        if (!mpTree)
+            Parse();
+        if( mpTree )
+            ArrangeFormula();
+
+        Reference<css::frame::XModel> xModel(GetModel());
+        SmXMLExportWrapper aEquation(xModel);
+        aEquation.SetFlat(false);
+        return aEquation.Export(*GetMedium());
+    }
+
+    return false;
+}
+
+/*
+ * replace bad characters that can not be saved. (#i74144)
+ * */
+void SmDocShell::ReplaceBadChars()
+{
+    bool bReplace = false;
+
+    if (!mpEditEngine)
+        return;
+
+    OUStringBuffer aBuf( mpEditEngine->GetText() );
+
+    for (sal_Int32 i = 0;  i < aBuf.getLength();  ++i)
+    {
+        if (aBuf[i] < ' ' && aBuf[i] != '\r' && aBuf[i] != '\n' && aBuf[i] != '\t')
+        {
+            aBuf[i] = ' ';
+            bReplace = true;
+        }
+    }
+
+    if (bReplace)
+        maText = aBuf.makeStringAndClear();
+}
+
+
+void SmDocShell::UpdateText()
+{
+    if (mpEditEngine && mpEditEngine->IsModified())
+    {
+        OUString aEngTxt( mpEditEngine->GetText() );
+        if (GetText() != aEngTxt)
+            SetText( aEngTxt );
+    }
+}
+
+
+bool SmDocShell::SaveAs( SfxMedium& rMedium )
+{
+    bool bRet = false;
+
+    //! apply latest changes if necessary
+    UpdateText();
+
+    if ( SfxObjectShell::SaveAs( rMedium ) )
+    {
+        if (!mpTree)
+            Parse();
+        if( mpTree )
+            ArrangeFormula();
+
+        Reference<css::frame::XModel> xModel(GetModel());
+        SmXMLExportWrapper aEquation(xModel);
+        aEquation.SetFlat(false);
+        bRet = aEquation.Export(rMedium);
+    }
+    return bRet;
+}
+
+bool SmDocShell::ConvertTo( SfxMedium &rMedium )
+{
+    bool bRet = false;
+    std::shared_ptr<const SfxFilter> pFlt = rMedium.GetFilter();
+    if( pFlt )
+    {
+        if( !mpTree )
+            Parse();
+        if( mpTree )
+            ArrangeFormula();
+
+        const OUString& rFltName = pFlt->GetFilterName();
+        if(rFltName == STAROFFICE_XML)
+        {
+            Reference<css::frame::XModel> xModel(GetModel());
+            SmXMLExportWrapper aEquation(xModel);
+            aEquation.SetFlat(false);
+            bRet = aEquation.Export(rMedium);
+        }
+        else if(rFltName == MATHML_XML)
+        {
+            Reference<css::frame::XModel> xModel(GetModel());
+            SmXMLExportWrapper aEquation(xModel);
+            aEquation.SetFlat(true);
+            aEquation.SetUseHTMLMLEntities(true);
+            bRet = aEquation.Export(rMedium);
+        }
+        else if (pFlt->GetFilterName() == "MathType 3.x")
+            bRet = WriteAsMathType3( rMedium );
+    }
+    return bRet;
+}
+
+void SmDocShell::writeFormulaOoxml(
+        ::sax_fastparser::FSHelperPtr const& pSerializer,
+        oox::core::OoxmlVersion const version,
+        oox::drawingml::DocumentType const documentType,
+        const sal_Int8 nAlign)
+{
+    if( !mpTree )
+        Parse();
+    if( mpTree )
+        ArrangeFormula();
+    SmOoxmlExport aEquation(mpTree.get(), version, documentType);
+    if(documentType == oox::drawingml::DOCUMENT_DOCX)
+        aEquation.ConvertFromStarMath( pSerializer, nAlign);
+    else
+        aEquation.ConvertFromStarMath(pSerializer, oox::FormulaImExportBase::eFormulaAlign::INLINE);
+}
+
+void SmDocShell::writeFormulaRtf(OStringBuffer& rBuffer, rtl_TextEncoding nEncoding)
+{
+    if (!mpTree)
+        Parse();
+    if (mpTree)
+        ArrangeFormula();
+    SmRtfExport aEquation(mpTree.get());
+    aEquation.ConvertFromStarMath(rBuffer, nEncoding);
+}
+
+void SmDocShell::readFormulaOoxml( oox::formulaimport::XmlStream& stream )
+{
+    SmOoxmlImport aEquation( stream );
+    SetText( aEquation.ConvertToStarMath());
+}
+
+void SmDocShell::Execute(SfxRequest& rReq)
+{
+    switch (rReq.GetSlot())
+    {
+        case SID_TEXTMODE:
+        {
+            SmFormat aOldFormat  = GetFormat();
+            SmFormat aNewFormat( aOldFormat );
+            aNewFormat.SetTextmode(!aOldFormat.IsTextmode());
+
+            SfxUndoManager *pTmpUndoMgr = GetUndoManager();
+            if (pTmpUndoMgr)
+                pTmpUndoMgr->AddUndoAction(
+                    std::make_unique<SmFormatAction>(this, aOldFormat, aNewFormat));
+
+            SetFormat( aNewFormat );
+            Repaint();
+        }
+        break;
+
+        case SID_AUTO_REDRAW :
+        {
+            SmModule *pp = SM_MOD();
+            bool bRedraw = pp->GetConfig()->IsAutoRedraw();
+            pp->GetConfig()->SetAutoRedraw(!bRedraw);
+        }
+        break;
+
+        case SID_LOADSYMBOLS:
+            LoadSymbols();
+        break;
+
+        case SID_SAVESYMBOLS:
+            SaveSymbols();
+        break;
+
+        case SID_FONT:
+        {
+            // get device used to retrieve the FontList
+            OutputDevice *pDev = GetPrinter();
+            if (!pDev || pDev->GetFontFaceCollectionCount() == 0)
+                pDev = &SM_MOD()->GetDefaultVirtualDev();
+            OSL_ENSURE (pDev, "device for font list missing" );
+
+            SmFontTypeDialog aFontTypeDialog(rReq.GetFrameWeld(), pDev);
+
+            SmFormat aOldFormat  = GetFormat();
+            aFontTypeDialog.ReadFrom( aOldFormat );
+            if (aFontTypeDialog.run() == RET_OK)
+            {
+                SmFormat aNewFormat( aOldFormat );
+
+                aFontTypeDialog.WriteTo(aNewFormat);
+                SfxUndoManager *pTmpUndoMgr = GetUndoManager();
+                if (pTmpUndoMgr)
+                    pTmpUndoMgr->AddUndoAction(
+                        std::make_unique<SmFormatAction>(this, aOldFormat, aNewFormat));
+
+                SetFormat( aNewFormat );
+                Repaint();
+            }
+        }
+        break;
+
+        case SID_FONTSIZE:
+        {
+            SmFontSizeDialog aFontSizeDialog(rReq.GetFrameWeld());
+
+            SmFormat aOldFormat  = GetFormat();
+            aFontSizeDialog.ReadFrom( aOldFormat );
+            if (aFontSizeDialog.run() == RET_OK)
+            {
+                SmFormat aNewFormat( aOldFormat );
+
+                aFontSizeDialog.WriteTo(aNewFormat);
+
+                SfxUndoManager *pTmpUndoMgr = GetUndoManager();
+                if (pTmpUndoMgr)
+                    pTmpUndoMgr->AddUndoAction(
+                        std::make_unique<SmFormatAction>(this, aOldFormat, aNewFormat));
+
+                SetFormat( aNewFormat );
+                Repaint();
+            }
+        }
+        break;
+
+        case SID_DISTANCE:
+        {
+            SmDistanceDialog aDistanceDialog(rReq.GetFrameWeld());
+
+            SmFormat aOldFormat  = GetFormat();
+            aDistanceDialog.ReadFrom( aOldFormat );
+            if (aDistanceDialog.run() == RET_OK)
+            {
+                SmFormat aNewFormat( aOldFormat );
+
+                aDistanceDialog.WriteTo(aNewFormat);
+
+                SfxUndoManager *pTmpUndoMgr = GetUndoManager();
+                if (pTmpUndoMgr)
+                    pTmpUndoMgr->AddUndoAction(
+                        std::make_unique<SmFormatAction>(this, aOldFormat, aNewFormat));
+
+                SetFormat( aNewFormat );
+                Repaint();
+            }
+        }
+        break;
+
+        case SID_ALIGN:
+        {
+            SmAlignDialog aAlignDialog(rReq.GetFrameWeld());
+
+            SmFormat aOldFormat  = GetFormat();
+            aAlignDialog.ReadFrom( aOldFormat );
+            if (aAlignDialog.run() == RET_OK)
+            {
+                SmFormat aNewFormat( aOldFormat );
+
+                aAlignDialog.WriteTo(aNewFormat);
+
+                SmModule *pp = SM_MOD();
+                SmFormat aFmt( pp->GetConfig()->GetStandardFormat() );
+                aAlignDialog.WriteTo( aFmt );
+                pp->GetConfig()->SetStandardFormat( aFmt );
+
+                SfxUndoManager *pTmpUndoMgr = GetUndoManager();
+                if (pTmpUndoMgr)
+                    pTmpUndoMgr->AddUndoAction(
+                        std::make_unique<SmFormatAction>(this, aOldFormat, aNewFormat));
+
+                SetFormat( aNewFormat );
+                Repaint();
+            }
+        }
+        break;
+
+        case SID_TEXT:
+        {
+            const SfxStringItem& rItem = rReq.GetArgs()->Get(SID_TEXT);
+            if (GetText() != rItem.GetValue())
+                SetText(rItem.GetValue());
+        }
+        break;
+
+        case SID_UNDO:
+        case SID_REDO:
+        {
+            SfxUndoManager* pTmpUndoMgr = GetUndoManager();
+            if( pTmpUndoMgr )
+            {
+                sal_uInt16 nId = rReq.GetSlot(), nCnt = 1;
+                const SfxItemSet* pArgs = rReq.GetArgs();
+                const SfxPoolItem* pItem;
+                if( pArgs && SfxItemState::SET == pArgs->GetItemState( nId, false, &pItem ))
+                    nCnt = static_cast<const SfxUInt16Item*>(pItem)->GetValue();
+
+                bool (SfxUndoManager::*fnDo)();
+
+                size_t nCount;
+                if( SID_UNDO == rReq.GetSlot() )
+                {
+                    nCount = pTmpUndoMgr->GetUndoActionCount();
+                    fnDo = &SfxUndoManager::Undo;
+                }
+                else
+                {
+                    nCount = pTmpUndoMgr->GetRedoActionCount();
+                    fnDo = &SfxUndoManager::Redo;
+                }
+
+                try
+                {
+                    for( ; nCnt && nCount; --nCnt, --nCount )
+                        (pTmpUndoMgr->*fnDo)();
+                }
+                catch( const Exception& )
+                {
+                    DBG_UNHANDLED_EXCEPTION("starmath");
+                }
+            }
+            Repaint();
+            UpdateText();
+            SfxViewFrame* pFrm = SfxViewFrame::GetFirst( this );
+            while( pFrm )
+            {
+                SfxBindings& rBind = pFrm->GetBindings();
+                rBind.Invalidate(SID_UNDO);
+                rBind.Invalidate(SID_REDO);
+                rBind.Invalidate(SID_REPEAT);
+                rBind.Invalidate(SID_CLEARHISTORY);
+                pFrm = SfxViewFrame::GetNext( *pFrm, this );
+            }
+        }
+        break;
+    }
+
+    rReq.Done();
+}
+
+
+void SmDocShell::GetState(SfxItemSet &rSet)
+{
+    SfxWhichIter aIter(rSet);
+
+    for (sal_uInt16 nWh = aIter.FirstWhich();  0 != nWh;  nWh = aIter.NextWhich())
+    {
+        switch (nWh)
+        {
+        case SID_TEXTMODE:
+            rSet.Put(SfxBoolItem(SID_TEXTMODE, GetFormat().IsTextmode()));
+            break;
+
+        case SID_DOCTEMPLATE :
+            rSet.DisableItem(SID_DOCTEMPLATE);
+            break;
+
+        case SID_AUTO_REDRAW :
+            {
+                SmModule  *pp = SM_MOD();
+                bool       bRedraw = pp->GetConfig()->IsAutoRedraw();
+
+                rSet.Put(SfxBoolItem(SID_AUTO_REDRAW, bRedraw));
+            }
+            break;
+
+        case SID_MODIFYSTATUS:
+            {
+                sal_Unicode cMod = ' ';
+                if (IsModified())
+                    cMod = '*';
+                rSet.Put(SfxStringItem(SID_MODIFYSTATUS, OUString(cMod)));
+            }
+            break;
+
+        case SID_TEXT:
+            rSet.Put(SfxStringItem(SID_TEXT, GetText()));
+            break;
+
+        case SID_GRAPHIC_SM:
+            //! very old (pre UNO) and ugly hack to invalidate the SmGraphicWidget.
+            //! If mnModifyCount gets changed then the call below will implicitly notify
+            //! SmGraphicController::StateChanged and there the window gets invalidated.
+            //! Thus all the 'mnModifyCount++' before invalidating this slot.
+            rSet.Put(SfxInt16Item(SID_GRAPHIC_SM, mnModifyCount));
+            break;
+
+        case SID_UNDO:
+        case SID_REDO:
+            {
+                SfxViewFrame* pFrm = SfxViewFrame::GetFirst( this );
+                if( pFrm )
+                    pFrm->GetSlotState( nWh, nullptr, &rSet );
+                else
+                    rSet.DisableItem( nWh );
+            }
+            break;
+
+        case SID_GETUNDOSTRINGS:
+        case SID_GETREDOSTRINGS:
+            {
+                SfxUndoManager* pTmpUndoMgr = GetUndoManager();
+                if( pTmpUndoMgr )
+                {
+                    OUString(SfxUndoManager::*fnGetComment)( size_t, bool const ) const;
+
+                    size_t nCount;
+                    if( SID_GETUNDOSTRINGS == nWh )
+                    {
+                        nCount = pTmpUndoMgr->GetUndoActionCount();
+                        fnGetComment = &SfxUndoManager::GetUndoActionComment;
+                    }
+                    else
+                    {
+                        nCount = pTmpUndoMgr->GetRedoActionCount();
+                        fnGetComment = &SfxUndoManager::GetRedoActionComment;
+                    }
+                    if (nCount)
+                    {
+                        OUStringBuffer aBuf;
+                        for (size_t n = 0; n < nCount; ++n)
+                        {
+                            aBuf.append((pTmpUndoMgr->*fnGetComment)( n, SfxUndoManager::TopLevel ));
+                            aBuf.append('\n');
+                        }
+
+                        SfxStringListItem aItem( nWh );
+                        aItem.SetString( aBuf.makeStringAndClear() );
+                        rSet.Put( aItem );
+                    }
+                }
+                else
+                    rSet.DisableItem( nWh );
+            }
+            break;
+        }
+    }
+}
+
+
+SfxUndoManager *SmDocShell::GetUndoManager()
+{
+    if (!mpEditEngine)
+        GetEditEngine();
+    return &mpEditEngine->GetUndoManager();
+}
+
+
+void SmDocShell::SaveSymbols()
+{
+    SmModule *pp = SM_MOD();
+    pp->GetSymbolManager().Save();
+}
+
+
+void SmDocShell::Draw(OutputDevice *pDevice,
+                      const JobSetup &,
+                      sal_uInt16 /*nAspect*/,
+                      bool /*bOutputForScreen*/)
+{
+    pDevice->IntersectClipRegion(GetVisArea());
+    Point atmppoint;
+    DrawFormula(*pDevice, atmppoint);
+}
+
+SfxItemPool& SmDocShell::GetPool()
+{
+    return SfxGetpApp()->GetPool();
+}
+
+void SmDocShell::SetVisArea(const tools::Rectangle & rVisArea)
+{
+    tools::Rectangle aNewRect(rVisArea);
+
+    aNewRect.SetPos(Point());
+
+    if (aNewRect.IsWidthEmpty())
+        aNewRect.SetRight( 2000 );
+    if (aNewRect.IsHeightEmpty())
+        aNewRect.SetBottom( 1000 );
+
+    bool bIsEnabled = IsEnableSetModified();
+    if ( bIsEnabled )
+        EnableSetModified( false );
+
+    //TODO/LATER: it's unclear how this interacts with the SFX code
+    // If outplace editing, then don't resize the OutplaceWindow. But the
+    // ObjectShell has to resize.
+    bool bUnLockFrame;
+    if( GetCreateMode() == SfxObjectCreateMode::EMBEDDED && !IsInPlaceActive() && GetFrame() )
+    {
+        GetFrame()->LockAdjustPosSizePixel();
+        bUnLockFrame = true;
+    }
+    else
+        bUnLockFrame = false;
+
+    SfxObjectShell::SetVisArea( aNewRect );
+
+    if( bUnLockFrame )
+        GetFrame()->UnlockAdjustPosSizePixel();
+
+    if ( bIsEnabled )
+        EnableSetModified( bIsEnabled );
+}
+
+
+void SmDocShell::FillClass(SvGlobalName* pClassName,
+                           SotClipboardFormatId*  pFormat,
+                           OUString* pFullTypeName,
+                           sal_Int32 nFileFormat,
+                           bool bTemplate /* = false */) const
+{
+    if (nFileFormat == SOFFICE_FILEFORMAT_60 )
+    {
+        *pClassName     = SvGlobalName(SO3_SM_CLASSID_60);
+        *pFormat        = SotClipboardFormatId::STARMATH_60;
+        *pFullTypeName  = SmResId(STR_MATH_DOCUMENT_FULLTYPE_CURRENT);
+    }
+    else if (nFileFormat == SOFFICE_FILEFORMAT_8 )
+    {
+        *pClassName     = SvGlobalName(SO3_SM_CLASSID_60);
+        *pFormat        = bTemplate ? SotClipboardFormatId::STARMATH_8_TEMPLATE : SotClipboardFormatId::STARMATH_8;
+        *pFullTypeName  = SmResId(STR_MATH_DOCUMENT_FULLTYPE_CURRENT);
+    }
+}
+
+void SmDocShell::SetModified(bool bModified)
+{
+    if( IsEnableSetModified() )
+    {
+        SfxObjectShell::SetModified( bModified );
+        Broadcast(SfxHint(SfxHintId::DocChanged));
+    }
+}
+
+bool SmDocShell::WriteAsMathType3( SfxMedium& rMedium )
+{
+    OUStringBuffer aTextAsBuffer(maText);
+    MathType aEquation(aTextAsBuffer, mpTree.get());
+    return aEquation.ConvertFromStarMath( rMedium );
+}
+
+void SmDocShell::SetRightToLeft(bool bRTL)
+{
+    SmFormat aOldFormat = GetFormat();
+    if (aOldFormat.IsRightToLeft() == bRTL)
+        return;
+
+    SmFormat aNewFormat(aOldFormat);
+    aNewFormat.SetRightToLeft(bRTL);
+
+    SfxUndoManager* pTmpUndoMgr = GetUndoManager();
+    if (pTmpUndoMgr)
+        pTmpUndoMgr->AddUndoAction(
+            std::make_unique<SmFormatAction>(this, aOldFormat, aNewFormat));
+
+    SetFormat(aNewFormat);
+    Repaint();
+}
+
+static Size GetTextLineSize(OutputDevice const& rDevice, const OUString& rLine)
+{
+    Size aSize(rDevice.GetTextWidth(rLine), rDevice.GetTextHeight());
+    const tools::Long nTabPos = rLine.isEmpty() ? 0 : rDevice.approximate_digit_width() * 8;
+
+    if (nTabPos)
+    {
+        aSize.setWidth(0);
+        sal_Int32 nPos = 0;
+        do
+        {
+            if (nPos > 0)
+                aSize.setWidth(((aSize.Width() / nTabPos) + 1) * nTabPos);
+
+            const OUString aText = rLine.getToken(0, '\t', nPos);
+            aSize.AdjustWidth(rDevice.GetTextWidth(aText));
+        } while (nPos >= 0);
+    }
+
+    return aSize;
+}
+
+static Size GetTextSize(OutputDevice const& rDevice, std::u16string_view rText,
+                        tools::Long MaxWidth)
+{
+    Size aSize;
+    Size aTextSize;
+    if (rText.empty())
+        return aTextSize;
+
+    sal_Int32 nPos = 0;
+    do
+    {
+        OUString aLine(o3tl::getToken(rText, 0, '\n', nPos));
+        aLine = aLine.replaceAll("\r", "");
+
+        aSize = GetTextLineSize(rDevice, aLine);
+
+        if (aSize.Width() > MaxWidth)
+        {
+            do
+            {
+                OUString aText;
+                sal_Int32 m = aLine.getLength();
+                sal_Int32 nLen = m;
+
+                for (sal_Int32 n = 0; n < nLen; n++)
+                {
+                    sal_Unicode cLineChar = aLine[n];
+                    if ((cLineChar == ' ') || (cLineChar == '\t'))
+                    {
+                        aText = aLine.copy(0, n);
+                        if (GetTextLineSize(rDevice, aText).Width() < MaxWidth)
+                            m = n;
+                        else
+                            break;
+                    }
+                }
+
+                aText = aLine.copy(0, m);
+                aLine = aLine.replaceAt(0, m, u"");
+                aSize = GetTextLineSize(rDevice, aText);
+                aTextSize.AdjustHeight(aSize.Height());
+                aTextSize.setWidth(std::clamp(aSize.Width(), aTextSize.Width(), MaxWidth));
+
+                aLine = comphelper::string::stripStart(aLine, ' ');
+                aLine = comphelper::string::stripStart(aLine, '\t');
+                aLine = comphelper::string::stripStart(aLine, ' ');
+            } while (!aLine.isEmpty());
+        }
+        else
+        {
+            aTextSize.AdjustHeight(aSize.Height());
+            aTextSize.setWidth(std::max(aTextSize.Width(), aSize.Width()));
+        }
+    } while (nPos >= 0);
+
+    return aTextSize;
+}
+
+static void DrawTextLine(OutputDevice& rDevice, const Point& rPosition, const OUString& rLine)
+{
+    Point aPoint(rPosition);
+    const tools::Long nTabPos = rLine.isEmpty() ? 0 : rDevice.approximate_digit_width() * 8;
+
+    if (nTabPos)
+    {
+        sal_Int32 nPos = 0;
+        do
+        {
+            if (nPos > 0)
+                aPoint.setX(((aPoint.X() / nTabPos) + 1) * nTabPos);
+
+            OUString aText = rLine.getToken(0, '\t', nPos);
+            rDevice.DrawText(aPoint, aText);
+            aPoint.AdjustX(rDevice.GetTextWidth(aText));
+        } while (nPos >= 0);
+    }
+    else
+        rDevice.DrawText(aPoint, rLine);
+}
+
+static void DrawText(OutputDevice& rDevice, const Point& rPosition, std::u16string_view rText,
+                     sal_uInt16 MaxWidth)
+{
+    if (rText.empty())
+        return;
+
+    Point aPoint(rPosition);
+    Size aSize;
+
+    sal_Int32 nPos = 0;
+    do
+    {
+        OUString aLine(o3tl::getToken(rText, 0, '\n', nPos));
+        aLine = aLine.replaceAll("\r", "");
+        aSize = GetTextLineSize(rDevice, aLine);
+        if (aSize.Width() > MaxWidth)
+        {
+            do
+            {
+                OUString aText;
+                sal_Int32 m = aLine.getLength();
+                sal_Int32 nLen = m;
+
+                for (sal_Int32 n = 0; n < nLen; n++)
+                {
+                    sal_Unicode cLineChar = aLine[n];
+                    if ((cLineChar == ' ') || (cLineChar == '\t'))
+                    {
+                        aText = aLine.copy(0, n);
+                        if (GetTextLineSize(rDevice, aText).Width() < MaxWidth)
+                            m = n;
+                        else
+                            break;
+                    }
+                }
+                aText = aLine.copy(0, m);
+                aLine = aLine.replaceAt(0, m, u"");
+
+                DrawTextLine(rDevice, aPoint, aText);
+                aPoint.AdjustY(aSize.Height());
+
+                aLine = comphelper::string::stripStart(aLine, ' ');
+                aLine = comphelper::string::stripStart(aLine, '\t');
+                aLine = comphelper::string::stripStart(aLine, ' ');
+            } while (GetTextLineSize(rDevice, aLine).Width() > MaxWidth);
+
+            // print the remaining text
+            if (!aLine.isEmpty())
+            {
+                DrawTextLine(rDevice, aPoint, aLine);
+                aPoint.AdjustY(aSize.Height());
+            }
+        }
+        else
+        {
+            DrawTextLine(rDevice, aPoint, aLine);
+            aPoint.AdjustY(aSize.Height());
+        }
+    } while (nPos >= 0);
+}
+
+void SmDocShell::Impl_Print(OutputDevice& rOutDev, const SmPrintUIOptions& rPrintUIOptions,
+                tools::Rectangle aOutRect)
+{
+    const bool bIsPrintTitle = rPrintUIOptions.getBoolValue(PRTUIOPT_TITLE_ROW, true);
+    const bool bIsPrintFrame = rPrintUIOptions.getBoolValue(PRTUIOPT_BORDER, true);
+    const bool bIsPrintFormulaText = rPrintUIOptions.getBoolValue(PRTUIOPT_FORMULA_TEXT, true);
+    SmPrintSize ePrintSize(static_cast<SmPrintSize>(
+        rPrintUIOptions.getIntValue(PRTUIOPT_PRINT_FORMAT, PRINT_SIZE_NORMAL)));
+    const sal_uInt16 nZoomFactor
+        = static_cast<sal_uInt16>(rPrintUIOptions.getIntValue(PRTUIOPT_PRINT_SCALE, 100));
+
+    rOutDev.Push();
+    rOutDev.SetLineColor(COL_BLACK);
+
+    // output text on top
+    if (bIsPrintTitle)
+    {
+        Size aSize600(0, 600);
+        Size aSize650(0, 650);
+        vcl::Font aFont(FAMILY_DONTKNOW, aSize600);
+
+        aFont.SetAlignment(ALIGN_TOP);
+        aFont.SetWeight(WEIGHT_BOLD);
+        aFont.SetFontSize(aSize650);
+        aFont.SetColor(COL_BLACK);
+        rOutDev.SetFont(aFont);
+
+        Size aTitleSize(GetTextSize(rOutDev, GetTitle(), aOutRect.GetWidth() - 200));
+
+        aFont.SetWeight(WEIGHT_NORMAL);
+        aFont.SetFontSize(aSize600);
+        rOutDev.SetFont(aFont);
+
+        Size aDescSize(GetTextSize(rOutDev, GetComment(), aOutRect.GetWidth() - 200));
+
+        if (bIsPrintFrame)
+            rOutDev.DrawRect(tools::Rectangle(
+                aOutRect.TopLeft(), Size(aOutRect.GetWidth(), 100 + aTitleSize.Height() + 200
+                                                                  + aDescSize.Height() + 100)));
+        aOutRect.AdjustTop(200);
+
+        // output title
+        aFont.SetWeight(WEIGHT_BOLD);
+        aFont.SetFontSize(aSize650);
+        rOutDev.SetFont(aFont);
+        Point aPoint(aOutRect.Left() + (aOutRect.GetWidth() - aTitleSize.Width()) / 2,
+                     aOutRect.Top());
+        DrawText(rOutDev, aPoint, GetTitle(),
+                 sal::static_int_cast<sal_uInt16>(aOutRect.GetWidth() - 200));
+        aOutRect.AdjustTop(aTitleSize.Height() + 200);
+
+        // output description
+        aFont.SetWeight(WEIGHT_NORMAL);
+        aFont.SetFontSize(aSize600);
+        rOutDev.SetFont(aFont);
+        aPoint.setX(aOutRect.Left() + (aOutRect.GetWidth() - aDescSize.Width()) / 2);
+        aPoint.setY(aOutRect.Top());
+        DrawText(rOutDev, aPoint, GetComment(),
+                 sal::static_int_cast<sal_uInt16>(aOutRect.GetWidth() - 200));
+        aOutRect.AdjustTop(aDescSize.Height() + 300);
+    }
+
+    // output text on bottom
+    if (bIsPrintFormulaText)
+    {
+        vcl::Font aFont(FAMILY_DONTKNOW, Size(0, 600));
+        aFont.SetAlignment(ALIGN_TOP);
+        aFont.SetColor(COL_BLACK);
+
+        // get size
+        rOutDev.SetFont(aFont);
+
+        Size aSize(GetTextSize(rOutDev, GetText(), aOutRect.GetWidth() - 200));
+
+        aOutRect.AdjustBottom(-(aSize.Height() + 600));
+
+        if (bIsPrintFrame)
+            rOutDev.DrawRect(tools::Rectangle(
+                aOutRect.BottomLeft(), Size(aOutRect.GetWidth(), 200 + aSize.Height() + 200)));
+
+        Point aPoint(aOutRect.Left() + (aOutRect.GetWidth() - aSize.Width()) / 2,
+                     aOutRect.Bottom() + 300);
+        DrawText(rOutDev, aPoint, GetText(),
+                 sal::static_int_cast<sal_uInt16>(aOutRect.GetWidth() - 200));
+        aOutRect.AdjustBottom(-200);
+    }
+
+    if (bIsPrintFrame)
+        rOutDev.DrawRect(aOutRect);
+
+    aOutRect.AdjustTop(100);
+    aOutRect.AdjustLeft(100);
+    aOutRect.AdjustBottom(-100);
+    aOutRect.AdjustRight(-100);
+
+    Size aSize(GetSize());
+
+    MapMode OutputMapMode;
+    switch (ePrintSize)
+    {
+        case PRINT_SIZE_NORMAL:
+            OutputMapMode = MapMode(SmMapUnit());
+            break;
+
+        case PRINT_SIZE_SCALED:
+            if (!aSize.IsEmpty())
+            {
+                sal_uInt16 nZ
+                    = std::min(o3tl::convert(aOutRect.GetWidth(), 100, aSize.Width()),
+                               o3tl::convert(aOutRect.GetHeight(), 100, aSize.Height()));
+                if (bIsPrintFrame && nZ > MINZOOM)
+                    nZ -= 10;
+                Fraction aFraction(std::clamp(nZ, MINZOOM, MAXZOOM), 100);
+
+                OutputMapMode = MapMode(SmMapUnit(), Point(), aFraction, aFraction);
+            }
+            else
+                OutputMapMode = MapMode(SmMapUnit());
+            break;
+
+        case PRINT_SIZE_ZOOMED:
+        {
+            Fraction aFraction(nZoomFactor, 100);
+
+            OutputMapMode = MapMode(SmMapUnit(), Point(), aFraction, aFraction);
+            break;
+        }
+    }
+
+    aSize = OutputDevice::LogicToLogic(aSize, OutputMapMode, MapMode(SmMapUnit()));
+
+    Point aPos(aOutRect.Left() + (aOutRect.GetWidth() - aSize.Width()) / 2,
+               aOutRect.Top() + (aOutRect.GetHeight() - aSize.Height()) / 2);
+
+    aPos = OutputDevice::LogicToLogic(aPos, MapMode(SmMapUnit()), OutputMapMode);
+    aOutRect = OutputDevice::LogicToLogic(aOutRect, MapMode(SmMapUnit()), OutputMapMode);
+
+    rOutDev.SetMapMode(OutputMapMode);
+    rOutDev.SetClipRegion(vcl::Region(aOutRect));
+    DrawFormula(rOutDev, aPos);
+    rOutDev.SetClipRegion();
+
+    rOutDev.Pop();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/edit.cxx b/starmath/source/edit.cxx
new file mode 100644
index 0000000000..bc1138a18d
--- /dev/null
+++ b/starmath/source/edit.cxx
@@ -0,0 +1,863 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <starmath.hrc>
+#include <helpids.h>
+
+#include <vcl/commandevent.hxx>
+#include <vcl/event.hxx>
+#include <vcl/ptrstyle.hxx>
+#include <vcl/settings.hxx>
+
+#include <editeng/editview.hxx>
+#include <editeng/editeng.hxx>
+#include <sfx2/dispatch.hxx>
+#include <sfx2/sfxsids.hrc>
+#include <svl/stritem.hxx>
+#include <svl/itemset.hxx>
+#include <sfx2/viewfrm.hxx>
+#include <osl/diagnose.h>
+#include <o3tl/string_view.hxx>
+
+#include <edit.hxx>
+#include <smmod.hxx>
+#include <view.hxx>
+#include <document.hxx>
+#include <cfgitem.hxx>
+#include <smediteng.hxx>
+
+using namespace com::sun::star::accessibility;
+using namespace com::sun::star;
+
+
+void SmGetLeftSelectionPart(const ESelection &rSel,
+                            sal_Int32 &nPara, sal_uInt16 &nPos)
+    // returns paragraph number and position of the selections left part
+{
+    // compare start and end of selection and use the one that comes first
+    if (    rSel.nStartPara <  rSel.nEndPara
+        ||  (rSel.nStartPara == rSel.nEndPara  &&  rSel.nStartPos < rSel.nEndPos) )
+    {   nPara = rSel.nStartPara;
+        nPos  = rSel.nStartPos;
+    }
+    else
+    {   nPara = rSel.nEndPara;
+        nPos  = rSel.nEndPos;
+    }
+}
+
+SmEditTextWindow::SmEditTextWindow(SmEditWindow& rEditWindow)
+    : mrEditWindow(rEditWindow)
+    , aModifyIdle("SmEditWindow ModifyIdle")
+    , aCursorMoveIdle("SmEditWindow CursorMoveIdle")
+{
+    SetAcceptsTab(true);
+
+    aModifyIdle.SetInvokeHandler(LINK(this, SmEditTextWindow, ModifyTimerHdl));
+    aModifyIdle.SetPriority(TaskPriority::LOWEST);
+
+    if (!SmViewShell::IsInlineEditEnabled())
+    {
+        aCursorMoveIdle.SetInvokeHandler(LINK(this, SmEditTextWindow, CursorMoveTimerHdl));
+        aCursorMoveIdle.SetPriority(TaskPriority::LOWEST);
+    }
+}
+
+SmEditTextWindow::~SmEditTextWindow()
+{
+    aModifyIdle.Stop();
+    StartCursorMove();
+}
+
+EditEngine* SmEditTextWindow::GetEditEngine() const
+{
+    SmDocShell *pDoc = mrEditWindow.GetDoc();
+    assert(pDoc);
+    return &pDoc->GetEditEngine();
+}
+
+void SmEditTextWindow::EditViewScrollStateChange()
+{
+    mrEditWindow.SetScrollBarRanges();
+}
+
+void SmEditTextWindow::SetDrawingArea(weld::DrawingArea* pDrawingArea)
+{
+    weld::CustomWidgetController::SetDrawingArea(pDrawingArea);
+
+    const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();
+    Color aBgColor = rStyleSettings.GetWindowColor();
+
+    OutputDevice& rDevice = pDrawingArea->get_ref_device();
+    rDevice.SetBackground(aBgColor);
+
+    SetHelpId(HID_SMA_COMMAND_WIN_EDIT);
+
+    EnableRTL(false);
+
+    EditEngine* pEditEngine = GetEditEngine();
+
+    m_xEditView.reset(new EditView(pEditEngine, nullptr));
+    m_xEditView->setEditViewCallbacks(this);
+
+    pEditEngine->InsertView(m_xEditView.get());
+
+    m_xEditView->SetOutputArea(mrEditWindow.AdjustScrollBars());
+
+    m_xEditView->SetBackgroundColor(aBgColor);
+
+    pDrawingArea->set_cursor(PointerStyle::Text);
+
+    pEditEngine->SetStatusEventHdl(LINK(this, SmEditTextWindow, EditStatusHdl));
+
+    InitAccessible();
+
+    //Apply zoom to smeditwindow text
+    if(GetEditView())
+        static_cast<SmEditEngine*>(GetEditEngine())->executeZoom(GetEditView());
+}
+
+SmEditWindow::SmEditWindow(SmCmdBoxWindow &rMyCmdBoxWin, weld::Builder& rBuilder)
+    : rCmdBox(rMyCmdBoxWin)
+    , mxScrolledWindow(rBuilder.weld_scrolled_window("scrolledwindow", true))
+{
+    mxScrolledWindow->connect_vadjustment_changed(LINK(this, SmEditWindow, ScrollHdl));
+
+    CreateEditView(rBuilder);
+}
+
+SmEditWindow::~SmEditWindow() COVERITY_NOEXCEPT_FALSE
+{
+    DeleteEditView();
+    mxScrolledWindow.reset();
+}
+
+weld::Window* SmEditWindow::GetFrameWeld() const
+{
+    return rCmdBox.GetFrameWeld();
+}
+
+void SmEditTextWindow::StartCursorMove()
+{
+    if (!SmViewShell::IsInlineEditEnabled())
+        aCursorMoveIdle.Stop();
+}
+
+void SmEditWindow::InvalidateSlots()
+{
+    GetView()->InvalidateSlots();
+}
+
+SmViewShell * SmEditWindow::GetView()
+{
+    return rCmdBox.GetView();
+}
+
+SmDocShell * SmEditWindow::GetDoc()
+{
+    SmViewShell *pView = rCmdBox.GetView();
+    return pView ? pView->GetDoc() : nullptr;
+}
+
+EditView * SmEditWindow::GetEditView() const
+{
+    return mxTextControl ? mxTextControl->GetEditView() : nullptr;
+}
+
+EditEngine * SmEditWindow::GetEditEngine()
+{
+    if (SmDocShell *pDoc = GetDoc())
+        return &pDoc->GetEditEngine();
+    return nullptr;
+}
+
+void SmEditTextWindow::StyleUpdated()
+{
+    WeldEditView::StyleUpdated();
+    EditEngine *pEditEngine = GetEditEngine();
+    SmDocShell *pDoc = mrEditWindow.GetDoc();
+
+    if (pEditEngine && pDoc)
+    {
+        //!
+        //! see also SmDocShell::GetEditEngine() !
+        //!
+        const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();
+
+        pDoc->UpdateEditEngineDefaultFonts();
+        pEditEngine->SetBackgroundColor(rStyleSettings.GetFieldColor());
+        pEditEngine->SetDefTab(sal_uInt16(GetTextWidth("XXXX")));
+
+        // forces new settings to be used
+        // unfortunately this resets the whole edit engine
+        // thus we need to save at least the text
+        OUString aTxt( pEditEngine->GetText() );
+        pEditEngine->Clear();   //incorrect font size
+        pEditEngine->SetText( aTxt );
+
+        Resize();
+    }
+
+    // Apply zoom to smeditwindow text
+    static_cast<SmEditEngine*>(GetEditEngine())->executeZoom(GetEditView());
+}
+
+IMPL_LINK_NOARG(SmEditTextWindow, ModifyTimerHdl, Timer *, void)
+{
+    UpdateStatus(false);
+    aModifyIdle.Stop();
+}
+
+IMPL_LINK_NOARG(SmEditTextWindow, CursorMoveTimerHdl, Timer *, void)
+    // every once in a while check cursor position (selection) of edit
+    // window and if it has changed (try to) set the formula-cursor
+    // according to that.
+{
+    if (SmViewShell::IsInlineEditEnabled())
+        return;
+
+    ESelection aNewSelection(GetSelection());
+
+    if (aNewSelection != aOldSelection)
+    {
+        if (SmViewShell *pViewSh = mrEditWindow.GetView())
+        {
+            // get row and column to look for
+            sal_Int32  nRow;
+            sal_uInt16 nCol;
+            SmGetLeftSelectionPart(aNewSelection, nRow, nCol);
+            pViewSh->GetGraphicWidget().SetCursorPos(static_cast<sal_uInt16>(nRow), nCol);
+            aOldSelection = aNewSelection;
+        }
+    }
+    aCursorMoveIdle.Stop();
+}
+
+bool SmEditTextWindow::MouseButtonUp(const MouseEvent &rEvt)
+{
+    bool bRet = WeldEditView::MouseButtonUp(rEvt);
+    if (!SmViewShell::IsInlineEditEnabled())
+        CursorMoveTimerHdl(&aCursorMoveIdle);
+    mrEditWindow.InvalidateSlots();
+    return bRet;
+}
+
+bool SmEditTextWindow::Command(const CommandEvent& rCEvt)
+{
+    // no zooming in Command window
+    const CommandWheelData* pWData = rCEvt.GetWheelData();
+    if (pWData && CommandWheelMode::ZOOM == pWData->GetMode())
+        return true;
+
+    //pass alt press/release to parent impl
+    if (rCEvt.GetCommand() == CommandEventId::ModKeyChange)
+        return false;
+
+    if (rCEvt.GetCommand() == CommandEventId::ContextMenu)
+    {
+        ReleaseMouse();
+        SmCmdBoxWindow& rCmdBox = mrEditWindow.GetCmdBox();
+        rCmdBox.ShowContextMenu(rCmdBox.WidgetToWindowPos(*GetDrawingArea(), rCEvt.GetMousePosPixel()));
+        GrabFocus();
+        return true;
+    }
+
+    bool bConsumed = WeldEditView::Command(rCEvt);
+    if (bConsumed)
+        UserPossiblyChangedText();
+    return bConsumed;
+}
+
+bool SmEditTextWindow::KeyInput(const KeyEvent& rKEvt)
+{
+    if (rKEvt.GetKeyCode().GetCode() == KEY_F1)
+    {
+        mrEditWindow.GetView()->StartMainHelp();
+        return true;
+    }
+
+    if (rKEvt.GetKeyCode().GetCode() == KEY_ESCAPE)
+    {
+        bool bCallBase = true;
+        SfxViewShell* pViewShell = mrEditWindow.GetView();
+        if ( dynamic_cast<const SmViewShell *>(pViewShell) )
+        {
+            // Terminate possible InPlace mode
+            bCallBase = !pViewShell->Escape();
+        }
+        return !bCallBase;
+    }
+
+    StartCursorMove();
+
+    bool autoClose = false;
+    EditView* pEditView = GetEditView();
+    ESelection aSelection = pEditView->GetSelection();
+    // as we don't support RTL in Math, we need to swap values from selection when they were done
+    // in RTL form
+    aSelection.Adjust();
+    OUString selected = pEditView->GetEditEngine()->GetText(aSelection);
+
+    // Check is auto close brackets/braces is disabled
+    SmModule *pMod = SM_MOD();
+    if (pMod && !pMod->GetConfig()->IsAutoCloseBrackets())
+        autoClose = false;
+    else if (o3tl::trim(selected) == u"<?>")
+        autoClose = true;
+    else if (selected.isEmpty() && !aSelection.HasRange())
+    {
+        selected = pEditView->GetEditEngine()->GetText(aSelection.nEndPara);
+        if (!selected.isEmpty())
+        {
+            sal_Int32 index = selected.indexOf("\n", aSelection.nEndPos);
+            if (index != -1)
+            {
+                selected = selected.copy(index, sal_Int32(aSelection.nEndPos-index));
+                if (o3tl::trim(selected).empty())
+                    autoClose = true;
+            }
+            else
+            {
+                sal_Int32 length = selected.getLength();
+                if (aSelection.nEndPos == length)
+                    autoClose = true;
+                else
+                {
+                    selected = selected.copy(aSelection.nEndPos);
+                    if (o3tl::trim(selected).empty())
+                        autoClose = true;
+                }
+            }
+        }
+        else
+            autoClose = true;
+    }
+
+    bool bConsumed = WeldEditView::KeyInput(rKEvt);
+    if (!bConsumed)
+    {
+        SmViewShell *pView = mrEditWindow.GetView();
+        if (pView)
+            bConsumed = pView->KeyInput(rKEvt);
+        if (pView && !bConsumed)
+        {
+            // F1 (help) leads to the destruction of this
+            Flush();
+            if ( aModifyIdle.IsActive() )
+                aModifyIdle.Stop();
+        }
+        else
+        {
+            // SFX has maybe called a slot of the view and thus (because of a hack in SFX)
+            // set the focus to the view
+            SmViewShell* pVShell = mrEditWindow.GetView();
+            if ( pVShell && pVShell->GetGraphicWidget().HasFocus() )
+            {
+                GrabFocus();
+            }
+        }
+    }
+    else
+    {
+        UserPossiblyChangedText();
+    }
+
+    // get the current char of the key event
+    sal_Unicode cCharCode = rKEvt.GetCharCode();
+    OUString sClose;
+
+    if (cCharCode == '{')
+        sClose = "  }";
+    else if (cCharCode == '[')
+        sClose = "  ]";
+    else if (cCharCode == '(')
+        sClose = "  )";
+
+    // auto close the current character only when needed
+    if (!sClose.isEmpty() && autoClose)
+    {
+        pEditView->InsertText(sClose);
+        // position it at center of brackets
+        aSelection.nStartPos += 2;
+        aSelection.nEndPos = aSelection.nStartPos;
+        pEditView->SetSelection(aSelection);
+    }
+
+    mrEditWindow.InvalidateSlots();
+    return bConsumed;
+}
+
+void SmEditTextWindow::UserPossiblyChangedText()
+{
+    // have doc-shell modified only for formula input/change and not
+    // cursor travelling and such things...
+    SmDocShell *pDocShell = mrEditWindow.GetDoc();
+    EditEngine *pEditEngine = GetEditEngine();
+    if (pDocShell && pEditEngine && pEditEngine->IsModified())
+        pDocShell->SetModified(true);
+    aModifyIdle.Start();
+}
+
+void SmEditWindow::CreateEditView(weld::Builder& rBuilder)
+{
+    assert(!mxTextControl);
+
+    EditEngine *pEditEngine = GetEditEngine();
+    //! pEditEngine may be 0.
+    //! For example when the program is used by the document-converter
+    if (!pEditEngine)
+        return;
+
+    mxTextControl.reset(new SmEditTextWindow(*this));
+    mxTextControlWin.reset(new weld::CustomWeld(rBuilder, "editview", *mxTextControl));
+
+    SetScrollBarRanges();
+}
+
+IMPL_LINK_NOARG(SmEditTextWindow, EditStatusHdl, EditStatus&, void)
+{
+    Resize();
+}
+
+IMPL_LINK(SmEditWindow, ScrollHdl, weld::ScrolledWindow&, rScrolledWindow, void)
+{
+    if (EditView* pEditView = GetEditView())
+    {
+        pEditView->SetVisArea(tools::Rectangle(
+                    Point(0,
+                          rScrolledWindow.vadjustment_get_value()),
+                    pEditView->GetVisArea().GetSize()));
+        pEditView->Invalidate();
+    }
+}
+
+tools::Rectangle SmEditWindow::AdjustScrollBars()
+{
+    tools::Rectangle aRect(Point(), rCmdBox.GetOutputSizePixel());
+
+    if (mxScrolledWindow)
+    {
+        const auto nScrollSize = mxScrolledWindow->get_scroll_thickness();
+        const auto nMargin = nScrollSize + 2;
+        aRect.AdjustRight(-nMargin);
+        aRect.AdjustBottom(-nMargin);
+    }
+
+    return aRect;
+}
+
+void SmEditWindow::SetScrollBarRanges()
+{
+    EditEngine *pEditEngine = GetEditEngine();
+    if (!pEditEngine)
+        return;
+    if (!mxScrolledWindow)
+        return;
+    EditView* pEditView = GetEditView();
+    if (!pEditView)
+        return;
+
+    int nVUpper = pEditEngine->GetTextHeight();
+    int nVCurrentDocPos = pEditView->GetVisArea().Top();
+    const Size aOut(pEditView->GetOutputArea().GetSize());
+    int nVStepIncrement = aOut.Height() * 2 / 10;
+    int nVPageIncrement = aOut.Height() * 8 / 10;
+    int nVPageSize = aOut.Height();
+
+    /* limit the page size to below nUpper because gtk's gtk_scrolled_window_start_deceleration has
+       effectively...
+
+       lower = gtk_adjustment_get_lower
+       upper = gtk_adjustment_get_upper - gtk_adjustment_get_page_size
+
+       and requires that upper > lower or the deceleration animation never ends
+    */
+    nVPageSize = std::min(nVPageSize, nVUpper);
+
+    mxScrolledWindow->vadjustment_configure(nVCurrentDocPos, 0, nVUpper,
+                                            nVStepIncrement, nVPageIncrement, nVPageSize);
+}
+
+OUString SmEditWindow::GetText() const
+{
+    OUString aText;
+    EditEngine *pEditEngine = const_cast< SmEditWindow* >(this)->GetEditEngine();
+    OSL_ENSURE( pEditEngine, "EditEngine missing" );
+    if (pEditEngine)
+        aText = pEditEngine->GetText();
+    return aText;
+}
+
+void SmEditWindow::SetText(const OUString& rText)
+{
+    if (!mxTextControl)
+        return;
+    mxTextControl->SetText(rText);
+}
+
+void SmEditWindow::Flush()
+{
+    if (!mxTextControl)
+        return;
+    mxTextControl->Flush();
+}
+
+void SmEditWindow::GrabFocus()
+{
+    if (!mxTextControl)
+        return;
+    mxTextControl->GrabFocus();
+}
+
+void SmEditTextWindow::SetText(const OUString& rText)
+{
+    EditEngine *pEditEngine = GetEditEngine();
+    OSL_ENSURE( pEditEngine, "EditEngine missing" );
+    if (!pEditEngine || pEditEngine->IsModified())
+        return;
+
+    EditView* pEditView = GetEditView();
+    ESelection eSelection = pEditView->GetSelection();
+
+    pEditEngine->SetText(rText);
+    pEditEngine->ClearModifyFlag();
+
+    // Restarting the timer here, prevents calling the handlers for other (currently inactive)
+    // math tasks
+    aModifyIdle.Start();
+
+    // Apply zoom to smeditwindow text
+    static_cast<SmEditEngine*>(pEditView->GetEditEngine())->executeZoom(pEditView);
+    pEditView->SetSelection(eSelection);
+}
+
+void SmEditTextWindow::GetFocus()
+{
+    WeldEditView::GetFocus();
+
+    EditEngine *pEditEngine = GetEditEngine();
+    if (pEditEngine)
+        pEditEngine->SetStatusEventHdl(LINK(this, SmEditTextWindow, EditStatusHdl));
+}
+
+void SmEditTextWindow::LoseFocus()
+{
+    EditEngine *pEditEngine = GetEditEngine();
+    if (pEditEngine)
+        pEditEngine->SetStatusEventHdl( Link<EditStatus&,void>() );
+
+    WeldEditView::LoseFocus();
+}
+
+bool SmEditWindow::IsAllSelected() const
+{
+    EditEngine *pEditEngine = const_cast<SmEditWindow *>(this)->GetEditEngine();
+    if (!pEditEngine)
+        return false;
+    EditView* pEditView = GetEditView();
+    if (!pEditView)
+        return false;
+    bool bRes = false;
+    ESelection eSelection( pEditView->GetSelection() );
+    sal_Int32 nParaCnt = pEditEngine->GetParagraphCount();
+    if (!(nParaCnt - 1))
+    {
+        sal_Int32 nTextLen = pEditEngine->GetText().getLength();
+        bRes = !eSelection.nStartPos && (eSelection.nEndPos == nTextLen - 1);
+    }
+    else
+    {
+        bRes = !eSelection.nStartPara && (eSelection.nEndPara == nParaCnt - 1);
+    }
+    return bRes;
+}
+
+void SmEditWindow::SelectAll()
+{
+    if (EditView* pEditView = GetEditView())
+    {
+        // ALL as last two parameters refers to the end of the text
+        pEditView->SetSelection( ESelection( 0, 0, EE_PARA_ALL, EE_TEXTPOS_ALL ) );
+    }
+}
+
+void SmEditWindow::MarkError(const Point &rPos)
+{
+    if (EditView* pEditView = GetEditView())
+    {
+        const sal_uInt16        nCol = sal::static_int_cast< sal_uInt16 >(rPos.X());
+        const sal_uInt16        nRow = sal::static_int_cast< sal_uInt16 >(rPos.Y() - 1);
+
+        pEditView->SetSelection(ESelection(nRow, nCol - 1, nRow, nCol));
+        GrabFocus();
+    }
+}
+
+void SmEditWindow::SelNextMark()
+{
+    if (!mxTextControl)
+        return;
+    mxTextControl->SelNextMark();
+}
+
+// Makes selection to next <?> symbol
+void SmEditTextWindow::SelNextMark()
+{
+    EditEngine *pEditEngine = GetEditEngine();
+    if (!pEditEngine)
+        return;
+    EditView* pEditView = GetEditView();
+    if (!pEditView)
+        return;
+
+    ESelection eSelection = pEditView->GetSelection();
+    sal_Int32 nPos = eSelection.nEndPos;
+    sal_Int32 nCounts = pEditEngine->GetParagraphCount();
+
+    while (eSelection.nEndPara < nCounts)
+    {
+        OUString aText = pEditEngine->GetText(eSelection.nEndPara);
+        nPos = aText.indexOf("<?>", nPos);
+        if (nPos != -1)
+        {
+            pEditView->SetSelection(ESelection(
+                eSelection.nEndPara, nPos, eSelection.nEndPara, nPos + 3));
+            break;
+        }
+
+        nPos = 0;
+        eSelection.nEndPara++;
+    }
+}
+
+void SmEditWindow::SelPrevMark()
+{
+    EditEngine *pEditEngine = GetEditEngine();
+    if (!pEditEngine)
+        return;
+    EditView* pEditView = GetEditView();
+    if (!pEditView)
+        return;
+
+    ESelection eSelection = pEditView->GetSelection();
+    sal_Int32 nPara = eSelection.nStartPara;
+    sal_Int32 nMax = eSelection.nStartPos;
+    OUString aText(pEditEngine->GetText(nPara));
+    static constexpr OUStringLiteral aMark(u"<?>");
+    sal_Int32 nPos;
+
+    while ( (nPos = aText.lastIndexOf(aMark, nMax)) < 0 )
+    {
+        if (--nPara < 0)
+            return;
+        aText = pEditEngine->GetText(nPara);
+        nMax = aText.getLength();
+    }
+    pEditView->SetSelection(ESelection(nPara, nPos, nPara, nPos + 3));
+}
+
+// returns true iff 'rText' contains a mark
+static bool HasMark(std::u16string_view rText)
+{
+    return rText.find(u"<?>") != std::u16string_view::npos;
+}
+
+ESelection SmEditWindow::GetSelection() const
+{
+    if (mxTextControl)
+        return mxTextControl->GetSelection();
+    return ESelection();
+}
+
+ESelection SmEditTextWindow::GetSelection() const
+{
+    // pointer may be 0 when reloading a document and the old view
+    // was already destroyed
+    if (EditView* pEditView = GetEditView())
+        return pEditView->GetSelection();
+    return ESelection();
+}
+
+void SmEditWindow::SetSelection(const ESelection &rSel)
+{
+    if (EditView* pEditView = GetEditView())
+        pEditView->SetSelection(rSel);
+    InvalidateSlots();
+}
+
+bool SmEditWindow::IsEmpty() const
+{
+    EditEngine *pEditEngine = const_cast<SmEditWindow *>(this)->GetEditEngine();
+    bool bEmpty = ( pEditEngine && pEditEngine->GetTextLen() == 0 );
+    return bEmpty;
+}
+
+bool SmEditWindow::IsSelected() const
+{
+    EditView* pEditView = GetEditView();
+    return pEditView && pEditView->HasSelection();
+}
+
+void SmEditTextWindow::UpdateStatus(bool bSetDocModified)
+{
+    SmModule *pMod = SM_MOD();
+    if (pMod && pMod->GetConfig()->IsAutoRedraw())
+        Flush();
+
+    if (SmDocShell *pModifyDoc = bSetDocModified ? mrEditWindow.GetDoc() : nullptr)
+        pModifyDoc->SetModified();
+
+    static_cast<SmEditEngine*>(GetEditEngine())->executeZoom(GetEditView());
+}
+
+void SmEditWindow::UpdateStatus()
+{
+    mxTextControl->UpdateStatus(/*bSetDocModified*/false);
+}
+
+void SmEditWindow::Cut()
+{
+    if (mxTextControl)
+    {
+        mxTextControl->Cut();
+        mxTextControl->UpdateStatus(true);
+    }
+}
+
+void SmEditWindow::Copy()
+{
+    if (mxTextControl)
+        mxTextControl->Copy();
+}
+
+void SmEditWindow::Paste()
+{
+    if (mxTextControl)
+    {
+        mxTextControl->Paste();
+        mxTextControl->UpdateStatus(true);
+    }
+}
+
+void SmEditWindow::Delete()
+{
+    if (mxTextControl)
+    {
+        mxTextControl->Delete();
+        mxTextControl->UpdateStatus(true);
+    }
+}
+
+void SmEditWindow::InsertText(const OUString& rText)
+{
+    if (!mxTextControl)
+        return;
+    mxTextControl->InsertText(rText);
+}
+
+void SmEditTextWindow::InsertText(const OUString& rText)
+{
+    EditView* pEditView = GetEditView();
+    if (!pEditView)
+        return;
+
+    // Note: Insertion of a space in front of commands is done here and
+    // in SmEditWindow::InsertCommand.
+    ESelection aSelection = pEditView->GetSelection();
+    OUString aCurrentFormula = pEditView->GetEditEngine()->GetText();
+    sal_Int32 nStartIndex = 0;
+
+    // get the start position (when we get a multi line formula)
+    for (sal_Int32 nParaPos = 0; nParaPos < aSelection.nStartPara; nParaPos++)
+         nStartIndex = aCurrentFormula.indexOf("\n", nStartIndex) + 1;
+
+    nStartIndex += aSelection.nStartPos;
+
+    // TODO: unify this function with the InsertCommand: The do the same thing for different
+    // callers
+    OUString string(rText);
+
+    OUString selected(pEditView->GetSelected());
+    // if we have text selected, use it in the first placeholder
+    if (!selected.isEmpty())
+        string = string.replaceFirst("<?>", selected);
+
+    // put a space before a new command if not in the beginning of a line
+    if (aSelection.nStartPos > 0 && aCurrentFormula[nStartIndex - 1] != ' ')
+        string = " " + string;
+
+    pEditView->InsertText(string);
+
+    // Remember start of the selection and move the cursor there afterwards.
+    aSelection.nEndPara = aSelection.nStartPara;
+    if (HasMark(string))
+    {
+        aSelection.nEndPos = aSelection.nStartPos;
+        pEditView->SetSelection(aSelection);
+        SelNextMark();
+    }
+    else
+    {   // set selection after inserted text
+        aSelection.nEndPos = aSelection.nStartPos + string.getLength();
+        aSelection.nStartPos = aSelection.nEndPos;
+        pEditView->SetSelection(aSelection);
+    }
+
+    aModifyIdle.Start();
+    StartCursorMove();
+
+    GrabFocus();
+}
+
+void SmEditTextWindow::Flush()
+{
+    EditEngine *pEditEngine = GetEditEngine();
+    if (pEditEngine  &&  pEditEngine->IsModified())
+    {
+        pEditEngine->ClearModifyFlag();
+        if (SmViewShell *pViewSh = mrEditWindow.GetView())
+        {
+            SfxStringItem aTextToFlush(SID_TEXT, GetText());
+            pViewSh->GetViewFrame().GetDispatcher()->ExecuteList(
+                    SID_TEXT, SfxCallMode::RECORD,
+                    { &aTextToFlush });
+        }
+    }
+    if (aCursorMoveIdle.IsActive())
+    {
+        aCursorMoveIdle.Stop();
+        CursorMoveTimerHdl(&aCursorMoveIdle);
+    }
+}
+
+void SmEditWindow::DeleteEditView()
+{
+    if (EditView* pEditView = GetEditView())
+    {
+        if (EditEngine* pEditEngine = pEditView->GetEditEngine())
+        {
+            pEditEngine->SetStatusEventHdl( Link<EditStatus&,void>() );
+            pEditEngine->RemoveView(pEditView);
+        }
+        mxTextControlWin.reset();
+        mxTextControl.reset();
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/eqnolefilehdr.cxx b/starmath/source/eqnolefilehdr.cxx
new file mode 100644
index 0000000000..f211f1aaa9
--- /dev/null
+++ b/starmath/source/eqnolefilehdr.cxx
@@ -0,0 +1,53 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "eqnolefilehdr.hxx"
+#include <sot/storage.hxx>
+
+
+bool GetMathTypeVersion( SotStorage* pStor, sal_uInt8 &nVersion )
+{
+    sal_uInt8 nVer = 0;
+    bool bSuccess = false;
+
+
+    // code snippet copied from MathType::Parse
+
+    tools::SvRef<SotStorageStream> xSrc = pStor->OpenSotStream(
+        "Equation Native",
+        StreamMode::STD_READ);
+    if ( (!xSrc.is()) || (ERRCODE_NONE != xSrc->GetError()))
+        return bSuccess;
+    SotStorageStream *pS = xSrc.get();
+    pS->SetEndian( SvStreamEndian::LITTLE );
+
+    EQNOLEFILEHDR aHdr;
+    aHdr.Read(pS);
+    pS->ReadUChar( nVer );
+
+    if (!pS->GetError())
+    {
+        nVersion = nVer;
+        bSuccess = true;
+    }
+    return bSuccess;
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/eqnolefilehdr.hxx b/starmath/source/eqnolefilehdr.hxx
new file mode 100644
index 0000000000..7fd3a476a8
--- /dev/null
+++ b/starmath/source/eqnolefilehdr.hxx
@@ -0,0 +1,74 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <sal/types.h>
+#include <tools/stream.hxx>
+
+class SotStorage;
+
+#define EQNOLEFILEHDR_SIZE 28
+
+class EQNOLEFILEHDR
+{
+public:
+    EQNOLEFILEHDR() : nCBHdr(0),nVersion(0),
+        nCf(0),nCBObject(0),nReserved1(0),nReserved2(0),
+        nReserved3(0), nReserved4(0) {}
+    explicit EQNOLEFILEHDR(sal_uInt32 nLenMTEF) : nCBHdr(0x1c),nVersion(0x20000),
+        nCf(0xc1c6),nCBObject(nLenMTEF),nReserved1(0),nReserved2(0x0014F690),
+        nReserved3(0x0014EBB4), nReserved4(0) {}
+
+    sal_uInt16   nCBHdr;     // length of header, sizeof(EQNOLEFILEHDR) = 28
+    sal_uInt32   nVersion;   // hiword = 2, loword = 0
+    sal_uInt16   nCf;        // clipboard format ("MathType EF")
+    sal_uInt32   nCBObject;  // length of MTEF data following this header
+    sal_uInt32   nReserved1; // not used
+    sal_uInt32   nReserved2; // not used
+    sal_uInt32   nReserved3; // not used
+    sal_uInt32   nReserved4; // not used
+
+    void Read(SvStream* pS)
+    {
+        pS->ReadUInt16( nCBHdr );
+        pS->ReadUInt32( nVersion );
+        pS->ReadUInt16( nCf );
+        pS->ReadUInt32( nCBObject );
+        pS->ReadUInt32( nReserved1 );
+        pS->ReadUInt32( nReserved2 );
+        pS->ReadUInt32( nReserved3 );
+        pS->ReadUInt32( nReserved4 );
+    }
+    void Write(SvStream* pS)
+    {
+        pS->WriteUInt16( nCBHdr );
+        pS->WriteUInt32( nVersion );
+        pS->WriteUInt16( nCf );
+        pS->WriteUInt32( nCBObject );
+        pS->WriteUInt32( nReserved1 );
+        pS->WriteUInt32( nReserved2 );
+        pS->WriteUInt32( nReserved3 );
+        pS->WriteUInt32( nReserved4 );
+    }
+};
+
+bool GetMathTypeVersion( SotStorage* pStor, sal_uInt8 &nVersion );
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/format.cxx b/starmath/source/format.cxx
new file mode 100644
index 0000000000..9440ffb6b1
--- /dev/null
+++ b/starmath/source/format.cxx
@@ -0,0 +1,155 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <format.hxx>
+
+
+SmFormat::SmFormat()
+:   aBaseSize(0, o3tl::convert(12, o3tl::Length::pt, SmO3tlLengthUnit()))
+{
+    eHorAlign       = SmHorAlign::Center;
+    nGreekCharStyle = 0;
+    bIsTextmode     = bIsRightToLeft = bScaleNormalBrackets = false;
+
+    vSize[SIZ_TEXT]     = 100;
+    vSize[SIZ_INDEX]    = 60;
+    vSize[SIZ_FUNCTION] =
+    vSize[SIZ_OPERATOR] = 100;
+    vSize[SIZ_LIMITS]   = 60;
+
+    vDist[DIS_HORIZONTAL]           = 10;
+    vDist[DIS_VERTICAL]             = 5;
+    vDist[DIS_ROOT]                 = 0;
+    vDist[DIS_SUPERSCRIPT]          =
+    vDist[DIS_SUBSCRIPT]            = 20;
+    vDist[DIS_NUMERATOR]            =
+    vDist[DIS_DENOMINATOR]          = 0;
+    vDist[DIS_FRACTION]             = 10;
+    vDist[DIS_STROKEWIDTH]          = 5;
+    vDist[DIS_UPPERLIMIT]           =
+    vDist[DIS_LOWERLIMIT]           = 0;
+    vDist[DIS_BRACKETSIZE]          =
+    vDist[DIS_BRACKETSPACE]         = 5;
+    vDist[DIS_MATRIXROW]            = 3;
+    vDist[DIS_MATRIXCOL]            = 30;
+    vDist[DIS_ORNAMENTSIZE]         =
+    vDist[DIS_ORNAMENTSPACE]        = 0;
+    vDist[DIS_OPERATORSIZE]         = 50;
+    vDist[DIS_OPERATORSPACE]        = 20;
+    vDist[DIS_LEFTSPACE]            =
+    vDist[DIS_RIGHTSPACE]           = 0;
+    vDist[DIS_TOPSPACE]             =
+    vDist[DIS_BOTTOMSPACE]          =
+    vDist[DIS_NORMALBRACKETSIZE]    = 0;
+
+    vFont[FNT_VARIABLE] =
+    vFont[FNT_FUNCTION] =
+    vFont[FNT_NUMBER]   =
+    vFont[FNT_TEXT]     =
+    vFont[FNT_SERIF]    = SmFace(FNTNAME_TIMES, aBaseSize);
+    vFont[FNT_SANS]     = SmFace(FNTNAME_HELV,  aBaseSize);
+    vFont[FNT_FIXED]    = SmFace(FNTNAME_COUR,  aBaseSize);
+    vFont[FNT_MATH]     = SmFace(FNTNAME_MATH,  aBaseSize);
+
+    vFont[FNT_MATH].SetCharSet( RTL_TEXTENCODING_UNICODE );
+
+    vFont[FNT_VARIABLE].SetItalic(ITALIC_NORMAL);
+    vFont[FNT_FUNCTION].SetItalic(ITALIC_NONE);
+    vFont[FNT_NUMBER]  .SetItalic(ITALIC_NONE);
+    vFont[FNT_TEXT]    .SetItalic(ITALIC_NONE);
+    vFont[FNT_SERIF]   .SetItalic(ITALIC_NONE);
+    vFont[FNT_SANS]    .SetItalic(ITALIC_NONE);
+    vFont[FNT_FIXED]   .SetItalic(ITALIC_NONE);
+
+    for ( sal_uInt16 i = FNT_BEGIN;  i <= FNT_END;  i++ )
+    {
+        SmFace &rFace = vFont[i];
+        rFace.SetTransparent( true );
+        rFace.SetAlignment( ALIGN_BASELINE );
+        rFace.SetColor( COL_AUTO );
+        bDefaultFont[i] = false;
+    }
+}
+
+
+void SmFormat::SetFont(sal_uInt16 nIdent, const SmFace &rFont, bool bDefault )
+{
+    vFont[nIdent] = rFont;
+    vFont[nIdent].SetTransparent( true );
+    vFont[nIdent].SetAlignment( ALIGN_BASELINE );
+
+    bDefaultFont[nIdent] = bDefault;
+}
+
+SmFormat & SmFormat::operator = (const SmFormat &rFormat)
+{
+    SetBaseSize(rFormat.GetBaseSize());
+    SetHorAlign(rFormat.GetHorAlign());
+    SetTextmode(rFormat.IsTextmode());
+    SetRightToLeft(rFormat.IsRightToLeft());
+    SetGreekCharStyle(rFormat.GetGreekCharStyle());
+    SetScaleNormalBrackets(rFormat.IsScaleNormalBrackets());
+
+    sal_uInt16  i;
+    for (i = FNT_BEGIN;  i <= FNT_END;  i++)
+    {
+        SetFont(i, rFormat.GetFont(i));
+        SetDefaultFont(i, rFormat.IsDefaultFont(i));
+    }
+    for (i = SIZ_BEGIN;  i <= SIZ_END;  i++)
+        SetRelSize(i, rFormat.GetRelSize(i));
+    for (i = DIS_BEGIN;  i <= DIS_END;  i++)
+        SetDistance(i, rFormat.GetDistance(i));
+
+    return *this;
+}
+
+
+bool SmFormat::operator == (const SmFormat &rFormat) const
+{
+    bool bRes = aBaseSize == rFormat.aBaseSize  &&
+                eHorAlign == rFormat.eHorAlign  &&
+                nGreekCharStyle == rFormat.nGreekCharStyle &&
+                bIsTextmode == rFormat.bIsTextmode  &&
+                bIsRightToLeft == rFormat.bIsRightToLeft &&
+                bScaleNormalBrackets  == rFormat.bScaleNormalBrackets;
+
+    sal_uInt16 i;
+    for (i = 0;  i <= SIZ_END && bRes;  ++i)
+    {
+        if (vSize[i] != rFormat.vSize[i])
+            bRes = false;
+    }
+    for (i = 0;  i <= DIS_END && bRes;  ++i)
+    {
+        if (vDist[i] != rFormat.vDist[i])
+            bRes = false;
+    }
+    for (i = 0;  i <= FNT_END && bRes;  ++i)
+    {
+        if (vFont[i] != rFormat.vFont[i]  ||
+            bDefaultFont[i] != rFormat.bDefaultFont[i])
+            bRes = false;
+    }
+
+    return bRes;
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/mathml/attribute.cxx b/starmath/source/mathml/attribute.cxx
new file mode 100644
index 0000000000..ca4a86290d
--- /dev/null
+++ b/starmath/source/mathml/attribute.cxx
@@ -0,0 +1,479 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <mathml/attribute.hxx>
+
+void SmMlAttribute::clearPreviousAttributeValue()
+{
+    switch (m_aSmMlAttributeValueType)
+    {
+        case SmMlAttributeValueType::NMlEmpty:
+            break;
+        case SmMlAttributeValueType::MlHref:
+            if (m_aAttributeValue.m_aHref.m_aLnk)
+                delete m_aAttributeValue.m_aHref.m_aLnk;
+            break;
+        case SmMlAttributeValueType::MlLspace:
+            if (m_aAttributeValue.m_aLspace.m_aLengthValue.m_aOriginalText)
+                delete m_aAttributeValue.m_aLspace.m_aLengthValue.m_aOriginalText;
+            break;
+        case SmMlAttributeValueType::MlMathsize:
+            if (m_aAttributeValue.m_aMathsize.m_aLengthValue.m_aOriginalText)
+                delete m_aAttributeValue.m_aMathsize.m_aLengthValue.m_aOriginalText;
+            break;
+        case SmMlAttributeValueType::MlMaxsize:
+            if (m_aAttributeValue.m_aMaxsize.m_aLengthValue.m_aOriginalText)
+                delete m_aAttributeValue.m_aMaxsize.m_aLengthValue.m_aOriginalText;
+            break;
+        case SmMlAttributeValueType::MlMinsize:
+            if (m_aAttributeValue.m_aMinsize.m_aLengthValue.m_aOriginalText)
+                delete m_aAttributeValue.m_aMinsize.m_aLengthValue.m_aOriginalText;
+            break;
+        case SmMlAttributeValueType::MlRspace:
+            if (m_aAttributeValue.m_aRspace.m_aLengthValue.m_aOriginalText)
+                delete m_aAttributeValue.m_aRspace.m_aLengthValue.m_aOriginalText;
+            break;
+        default:
+            break;
+    }
+}
+
+void SmMlAttribute::setDefaultAttributeValue()
+{
+    switch (m_aSmMlAttributeValueType)
+    {
+        case SmMlAttributeValueType::NMlEmpty:
+            break;
+        case SmMlAttributeValueType::MlAccent:
+            m_aAttributeValue.m_aAccent.m_aAccent = SmMlAttributeValueAccent::MlFalse;
+            break;
+        case SmMlAttributeValueType::MlDir:
+            m_aAttributeValue.m_aDir.m_aDir = SmMlAttributeValueDir::MlLtr;
+            break;
+        case SmMlAttributeValueType::MlDisplaystyle:
+            m_aAttributeValue.m_aDisplaystyle.m_aDisplaystyle
+                = SmMlAttributeValueDisplaystyle::MlFalse;
+            break;
+        case SmMlAttributeValueType::MlFence:
+            m_aAttributeValue.m_aFence.m_aFence = SmMlAttributeValueFence::MlFalse;
+            break;
+        case SmMlAttributeValueType::MlForm:
+            m_aAttributeValue.m_aForm.m_aForm = SmMlAttributeValueForm::MlInfix;
+            break;
+        case SmMlAttributeValueType::MlHref:
+            m_aAttributeValue.m_aHref.m_aHref = SmMlAttributeValueHref::NMlEmpty;
+            m_aAttributeValue.m_aHref.m_aLnk = new OUString(u""_ustr);
+            break;
+        case SmMlAttributeValueType::MlLspace:
+            m_aAttributeValue.m_aLspace.m_aLengthValue.m_aLengthUnit = SmLengthUnit::MlEm;
+            m_aAttributeValue.m_aLspace.m_aLengthValue.m_aLengthValue = 5.0 / 18;
+            m_aAttributeValue.m_aLspace.m_aLengthValue.m_aOriginalText
+                = new OUString(u"5/18em"_ustr);
+            break;
+        case SmMlAttributeValueType::MlMathbackground:
+            m_aAttributeValue.m_aMathbackground.m_aMathbackground
+                = SmMlAttributeValueMathbackground::MlTransparent;
+            break;
+        case SmMlAttributeValueType::MlMathcolor:
+            m_aAttributeValue.m_aMathcolor.m_aMathcolor = SmMlAttributeValueMathcolor::MlDefault;
+            break;
+        case SmMlAttributeValueType::MlMathsize:
+            m_aAttributeValue.m_aMathsize.m_aLengthValue.m_aLengthUnit = SmLengthUnit::MlP;
+            m_aAttributeValue.m_aMathsize.m_aLengthValue.m_aLengthValue = 100;
+            m_aAttributeValue.m_aMathsize.m_aLengthValue.m_aOriginalText
+                = new OUString(u"100%"_ustr);
+            break;
+        case SmMlAttributeValueType::MlMathvariant:
+            m_aAttributeValue.m_aMathvariant.m_aMathvariant = SmMlAttributeValueMathvariant::normal;
+            break;
+        case SmMlAttributeValueType::MlMaxsize:
+            m_aAttributeValue.m_aMaxsize.m_aMaxsize = SmMlAttributeValueMaxsize::MlInfinity;
+            m_aAttributeValue.m_aMaxsize.m_aLengthValue.m_aLengthUnit = SmLengthUnit::MlP;
+            m_aAttributeValue.m_aMaxsize.m_aLengthValue.m_aLengthValue = 10000;
+            m_aAttributeValue.m_aMaxsize.m_aLengthValue.m_aOriginalText
+                = new OUString(u"10000%"_ustr);
+            break;
+        case SmMlAttributeValueType::MlMinsize:
+            m_aAttributeValue.m_aMinsize.m_aLengthValue.m_aLengthUnit = SmLengthUnit::MlP;
+            m_aAttributeValue.m_aMinsize.m_aLengthValue.m_aLengthValue = 1;
+            m_aAttributeValue.m_aMinsize.m_aLengthValue.m_aOriginalText = new OUString(u"1%"_ustr);
+            break;
+        case SmMlAttributeValueType::MlMovablelimits:
+            m_aAttributeValue.m_aMovablelimits.m_aMovablelimits
+                = SmMlAttributeValueMovablelimits::MlFalse;
+            break;
+        case SmMlAttributeValueType::MlRspace:
+            m_aAttributeValue.m_aRspace.m_aLengthValue.m_aLengthUnit = SmLengthUnit::MlEm;
+            m_aAttributeValue.m_aRspace.m_aLengthValue.m_aLengthValue = 5.0 / 18;
+            m_aAttributeValue.m_aRspace.m_aLengthValue.m_aOriginalText
+                = new OUString(u"5/18em"_ustr);
+            break;
+        case SmMlAttributeValueType::MlSeparator:
+            m_aAttributeValue.m_aSeparator.m_aSeparator = SmMlAttributeValueSeparator::MlFalse;
+            break;
+        case SmMlAttributeValueType::MlStretchy:
+            m_aAttributeValue.m_aStretchy.m_aStretchy = SmMlAttributeValueStretchy::MlFalse;
+            break;
+        case SmMlAttributeValueType::MlSymmetric:
+            m_aAttributeValue.m_aSymmetric.m_aSymmetric = SmMlAttributeValueSymmetric::MlFalse;
+            break;
+    }
+}
+
+void SmMlAttribute::setAttributeValue(const SmMlAttribute* aAttribute)
+{
+    switch (aAttribute->getMlAttributeValueType())
+    {
+        case SmMlAttributeValueType::NMlEmpty:
+            clearPreviousAttributeValue();
+            m_aSmMlAttributeValueType = SmMlAttributeValueType::NMlEmpty;
+            break;
+        case SmMlAttributeValueType::MlAccent:
+            setMlAccent(aAttribute->getMlAccent());
+            break;
+        case SmMlAttributeValueType::MlDir:
+            setMlDir(aAttribute->getMlDir());
+            break;
+        case SmMlAttributeValueType::MlDisplaystyle:
+            setMlDisplaystyle(aAttribute->getMlDisplaystyle());
+            break;
+        case SmMlAttributeValueType::MlFence:
+            setMlFence(aAttribute->getMlFence());
+            break;
+        case SmMlAttributeValueType::MlForm:
+            setMlForm(aAttribute->getMlForm());
+            break;
+        case SmMlAttributeValueType::MlHref:
+            setMlHref(aAttribute->getMlHref());
+            break;
+        case SmMlAttributeValueType::MlLspace:
+            setMlLspace(aAttribute->getMlLspace());
+            break;
+        case SmMlAttributeValueType::MlMathbackground:
+            setMlMathbackground(aAttribute->getMlMathbackground());
+            break;
+        case SmMlAttributeValueType::MlMathcolor:
+            setMlMathcolor(aAttribute->getMlMathcolor());
+            break;
+        case SmMlAttributeValueType::MlMathsize:
+            setMlMathsize(aAttribute->getMlMathsize());
+            break;
+        case SmMlAttributeValueType::MlMathvariant:
+            setMlMathvariant(aAttribute->getMlMathvariant());
+            break;
+        case SmMlAttributeValueType::MlMaxsize:
+            setMlMaxsize(aAttribute->getMlMaxsize());
+            break;
+        case SmMlAttributeValueType::MlMinsize:
+            setMlMinsize(aAttribute->getMlMinsize());
+            break;
+        case SmMlAttributeValueType::MlMovablelimits:
+            setMlMovablelimits(aAttribute->getMlMovablelimits());
+            break;
+        case SmMlAttributeValueType::MlRspace:
+            setMlRspace(aAttribute->getMlRspace());
+            break;
+        case SmMlAttributeValueType::MlSeparator:
+            setMlSeparator(aAttribute->getMlSeparator());
+            break;
+        case SmMlAttributeValueType::MlStretchy:
+            setMlStretchy(aAttribute->getMlStretchy());
+            break;
+        case SmMlAttributeValueType::MlSymmetric:
+            setMlSymmetric(aAttribute->getMlSymmetric());
+            break;
+    }
+}
+
+/* get values */
+/*************************************************************************************************/
+
+const struct SmMlAccent* SmMlAttribute::getMlAccent() const
+{
+    if (m_aSmMlAttributeValueType == SmMlAttributeValueType::MlAccent)
+        return &m_aAttributeValue.m_aAccent;
+    return nullptr;
+}
+
+const struct SmMlDir* SmMlAttribute::getMlDir() const
+{
+    if (m_aSmMlAttributeValueType == SmMlAttributeValueType::MlDir)
+        return &m_aAttributeValue.m_aDir;
+    return nullptr;
+}
+
+const struct SmMlDisplaystyle* SmMlAttribute::getMlDisplaystyle() const
+{
+    if (m_aSmMlAttributeValueType == SmMlAttributeValueType::MlDisplaystyle)
+        return &m_aAttributeValue.m_aDisplaystyle;
+    return nullptr;
+}
+
+const struct SmMlFence* SmMlAttribute::getMlFence() const
+{
+    if (m_aSmMlAttributeValueType == SmMlAttributeValueType::MlFence)
+        return &m_aAttributeValue.m_aFence;
+    return nullptr;
+}
+
+const struct SmMlForm* SmMlAttribute::getMlForm() const
+{
+    if (m_aSmMlAttributeValueType == SmMlAttributeValueType::MlForm)
+        return &m_aAttributeValue.m_aForm;
+    return nullptr;
+}
+
+const struct SmMlHref* SmMlAttribute::getMlHref() const
+{
+    if (m_aSmMlAttributeValueType == SmMlAttributeValueType::MlHref)
+        return &m_aAttributeValue.m_aHref;
+    return nullptr;
+}
+
+const struct SmMlLspace* SmMlAttribute::getMlLspace() const
+{
+    if (m_aSmMlAttributeValueType == SmMlAttributeValueType::MlLspace)
+        return &m_aAttributeValue.m_aLspace;
+    return nullptr;
+}
+
+const struct SmMlMathbackground* SmMlAttribute::getMlMathbackground() const
+{
+    if (m_aSmMlAttributeValueType == SmMlAttributeValueType::MlMathbackground)
+        return &m_aAttributeValue.m_aMathbackground;
+    return nullptr;
+}
+
+const struct SmMlMathcolor* SmMlAttribute::getMlMathcolor() const
+{
+    if (m_aSmMlAttributeValueType == SmMlAttributeValueType::MlMathcolor)
+        return &m_aAttributeValue.m_aMathcolor;
+    return nullptr;
+}
+
+const struct SmMlMathsize* SmMlAttribute::getMlMathsize() const
+{
+    if (m_aSmMlAttributeValueType == SmMlAttributeValueType::MlAccent)
+        return &m_aAttributeValue.m_aMathsize;
+    return nullptr;
+}
+
+const struct SmMlMathvariant* SmMlAttribute::getMlMathvariant() const
+{
+    if (m_aSmMlAttributeValueType == SmMlAttributeValueType::MlMathvariant)
+        return &m_aAttributeValue.m_aMathvariant;
+    return nullptr;
+}
+
+const struct SmMlMaxsize* SmMlAttribute::getMlMaxsize() const
+{
+    if (m_aSmMlAttributeValueType == SmMlAttributeValueType::MlMaxsize)
+        return &m_aAttributeValue.m_aMaxsize;
+    return nullptr;
+}
+
+const struct SmMlMinsize* SmMlAttribute::getMlMinsize() const
+{
+    if (m_aSmMlAttributeValueType == SmMlAttributeValueType::MlMinsize)
+        return &m_aAttributeValue.m_aMinsize;
+    return nullptr;
+}
+
+const struct SmMlMovablelimits* SmMlAttribute::getMlMovablelimits() const
+{
+    if (m_aSmMlAttributeValueType == SmMlAttributeValueType::MlMovablelimits)
+        return &m_aAttributeValue.m_aMovablelimits;
+    return nullptr;
+}
+
+const struct SmMlRspace* SmMlAttribute::getMlRspace() const
+{
+    if (m_aSmMlAttributeValueType == SmMlAttributeValueType::MlRspace)
+        return &m_aAttributeValue.m_aRspace;
+    return nullptr;
+}
+
+const struct SmMlSeparator* SmMlAttribute::getMlSeparator() const
+{
+    if (m_aSmMlAttributeValueType == SmMlAttributeValueType::MlSeparator)
+        return &m_aAttributeValue.m_aSeparator;
+    return nullptr;
+}
+
+const struct SmMlStretchy* SmMlAttribute::getMlStretchy() const
+{
+    if (m_aSmMlAttributeValueType == SmMlAttributeValueType::MlStretchy)
+        return &m_aAttributeValue.m_aStretchy;
+    return nullptr;
+}
+
+const struct SmMlSymmetric* SmMlAttribute::getMlSymmetric() const
+{
+    if (m_aSmMlAttributeValueType == SmMlAttributeValueType::MlSymmetric)
+        return &m_aAttributeValue.m_aSymmetric;
+    return nullptr;
+}
+
+/* set values */
+/*************************************************************************************************/
+
+void SmMlAttribute::setMlAccent(const SmMlAccent* aAccent)
+{
+    m_bSet = true;
+    clearPreviousAttributeValue();
+    m_aAttributeValue.m_aAccent.m_aAccent = aAccent->m_aAccent;
+}
+
+void SmMlAttribute::setMlDir(const SmMlDir* aDir)
+{
+    m_bSet = true;
+    clearPreviousAttributeValue();
+    m_aAttributeValue.m_aDir.m_aDir = aDir->m_aDir;
+}
+
+void SmMlAttribute::setMlDisplaystyle(const SmMlDisplaystyle* aDisplaystyle)
+{
+    m_bSet = true;
+    clearPreviousAttributeValue();
+    m_aAttributeValue.m_aDisplaystyle.m_aDisplaystyle = aDisplaystyle->m_aDisplaystyle;
+}
+
+void SmMlAttribute::setMlFence(const SmMlFence* aFence)
+{
+    m_bSet = true;
+    clearPreviousAttributeValue();
+    m_aAttributeValue.m_aFence.m_aFence = aFence->m_aFence;
+}
+
+void SmMlAttribute::setMlForm(const SmMlForm* aForm)
+{
+    m_bSet = true;
+    clearPreviousAttributeValue();
+    m_aAttributeValue.m_aForm.m_aForm = aForm->m_aForm;
+}
+
+void SmMlAttribute::setMlHref(const SmMlHref* aHref)
+{
+    m_bSet = true;
+    clearPreviousAttributeValue();
+    m_aAttributeValue.m_aHref.m_aHref = aHref->m_aHref;
+    m_aAttributeValue.m_aHref.m_aLnk = new OUString(*aHref->m_aLnk);
+}
+
+void SmMlAttribute::setMlLspace(const SmMlLspace* aLspace)
+{
+    m_bSet = true;
+    clearPreviousAttributeValue();
+    m_aAttributeValue.m_aLspace.m_aLengthValue.m_aLengthUnit
+        = aLspace->m_aLengthValue.m_aLengthUnit;
+    m_aAttributeValue.m_aLspace.m_aLengthValue.m_aLengthValue
+        = aLspace->m_aLengthValue.m_aLengthValue;
+    m_aAttributeValue.m_aLspace.m_aLengthValue.m_aOriginalText
+        = new OUString(*aLspace->m_aLengthValue.m_aOriginalText);
+}
+
+void SmMlAttribute::setMlMathbackground(const SmMlMathbackground* aMathbackground)
+{
+    m_bSet = true;
+    clearPreviousAttributeValue();
+    m_aAttributeValue.m_aMathbackground.m_aMathbackground = aMathbackground->m_aMathbackground;
+}
+
+void SmMlAttribute::setMlMathcolor(const SmMlMathcolor* aMathcolor)
+{
+    m_bSet = true;
+    clearPreviousAttributeValue();
+    m_aAttributeValue.m_aMathcolor.m_aMathcolor = aMathcolor->m_aMathcolor;
+}
+
+void SmMlAttribute::setMlMathsize(const SmMlMathsize* aMathsize)
+{
+    m_bSet = true;
+    clearPreviousAttributeValue();
+    m_aAttributeValue.m_aMathsize.m_aLengthValue.m_aLengthUnit
+        = aMathsize->m_aLengthValue.m_aLengthUnit;
+    m_aAttributeValue.m_aMathsize.m_aLengthValue.m_aLengthValue
+        = aMathsize->m_aLengthValue.m_aLengthValue;
+    m_aAttributeValue.m_aMathsize.m_aLengthValue.m_aOriginalText
+        = new OUString(*aMathsize->m_aLengthValue.m_aOriginalText);
+}
+
+void SmMlAttribute::setMlMathvariant(const SmMlMathvariant* aMathvariant)
+{
+    m_bSet = true;
+    clearPreviousAttributeValue();
+    m_aAttributeValue.m_aMathvariant.m_aMathvariant = aMathvariant->m_aMathvariant;
+}
+
+void SmMlAttribute::setMlMaxsize(const SmMlMaxsize* aMaxsize)
+{
+    m_bSet = true;
+    clearPreviousAttributeValue();
+    m_aAttributeValue.m_aMaxsize.m_aMaxsize = aMaxsize->m_aMaxsize;
+    m_aAttributeValue.m_aMaxsize.m_aLengthValue.m_aLengthUnit
+        = aMaxsize->m_aLengthValue.m_aLengthUnit;
+    m_aAttributeValue.m_aMaxsize.m_aLengthValue.m_aLengthValue
+        = aMaxsize->m_aLengthValue.m_aLengthValue;
+    m_aAttributeValue.m_aMaxsize.m_aLengthValue.m_aOriginalText
+        = new OUString(*aMaxsize->m_aLengthValue.m_aOriginalText);
+}
+
+void SmMlAttribute::setMlMinsize(const SmMlMinsize* aMinsize)
+{
+    m_bSet = true;
+    clearPreviousAttributeValue();
+    m_aAttributeValue.m_aMinsize.m_aLengthValue.m_aLengthUnit
+        = aMinsize->m_aLengthValue.m_aLengthUnit;
+    m_aAttributeValue.m_aMinsize.m_aLengthValue.m_aLengthValue
+        = aMinsize->m_aLengthValue.m_aLengthValue;
+    m_aAttributeValue.m_aMinsize.m_aLengthValue.m_aOriginalText
+        = new OUString(*aMinsize->m_aLengthValue.m_aOriginalText);
+}
+
+void SmMlAttribute::setMlMovablelimits(const SmMlMovablelimits* aMovablelimits)
+{
+    m_bSet = true;
+    clearPreviousAttributeValue();
+    m_aAttributeValue.m_aMovablelimits.m_aMovablelimits = aMovablelimits->m_aMovablelimits;
+}
+
+void SmMlAttribute::setMlRspace(const SmMlRspace* aRspace)
+{
+    m_bSet = true;
+    clearPreviousAttributeValue();
+    m_aAttributeValue.m_aRspace.m_aLengthValue.m_aLengthUnit
+        = aRspace->m_aLengthValue.m_aLengthUnit;
+    m_aAttributeValue.m_aRspace.m_aLengthValue.m_aLengthValue
+        = aRspace->m_aLengthValue.m_aLengthValue;
+    m_aAttributeValue.m_aRspace.m_aLengthValue.m_aOriginalText
+        = new OUString(*aRspace->m_aLengthValue.m_aOriginalText);
+}
+
+void SmMlAttribute::setMlSeparator(const SmMlSeparator* aSeparator)
+{
+    m_bSet = true;
+    clearPreviousAttributeValue();
+    m_aAttributeValue.m_aSeparator.m_aSeparator = aSeparator->m_aSeparator;
+}
+
+void SmMlAttribute::setMlStretchy(const SmMlStretchy* aStretchy)
+{
+    m_bSet = true;
+    clearPreviousAttributeValue();
+    m_aAttributeValue.m_aStretchy.m_aStretchy = aStretchy->m_aStretchy;
+}
+
+void SmMlAttribute::setMlSymmetric(const SmMlSymmetric* aSymmetric)
+{
+    m_bSet = true;
+    clearPreviousAttributeValue();
+    m_aAttributeValue.m_aSymmetric.m_aSymmetric = aSymmetric->m_aSymmetric;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/starmath/source/mathml/def.cxx b/starmath/source/mathml/def.cxx
new file mode 100644
index 0000000000..484dcd6653
--- /dev/null
+++ b/starmath/source/mathml/def.cxx
@@ -0,0 +1,124 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <mathml/attribute.hxx>
+
+SmMlAttributePos starmathdatabase::MlAttributeListEmpty[] = {
+    // clang-format off
+    { SmMlAttributeValueType::NMlEmpty, 0 }
+    // clang-format on
+};
+
+SmMlAttributePos starmathdatabase::MlAttributeListMath[] = {
+    // clang-format off
+    { SmMlAttributeValueType::NMlEmpty, 0 }
+    // clang-format on
+};
+
+SmMlAttributePos starmathdatabase::MlAttributeListMi[] = {
+    // clang-format off
+    { SmMlAttributeValueType::MlHref, 0 },
+    { SmMlAttributeValueType::MlDir, 1 },
+    { SmMlAttributeValueType::MlMathbackground, 2 },
+    { SmMlAttributeValueType::MlMathcolor, 3 },
+    { SmMlAttributeValueType::MlDisplaystyle, 4 },
+    { SmMlAttributeValueType::MlMathsize, 5 },
+    { SmMlAttributeValueType::MlMathvariant, 6 }
+    // clang-format on
+};
+
+SmMlAttributePos starmathdatabase::MlAttributeListMerror[] = {
+    // clang-format off
+    { SmMlAttributeValueType::MlHref, 0 },
+    { SmMlAttributeValueType::MlMathbackground, 1 },
+    { SmMlAttributeValueType::MlMathcolor, 2 },
+    { SmMlAttributeValueType::MlDisplaystyle, 3 }
+    // clang-format on
+};
+
+SmMlAttributePos starmathdatabase::MlAttributeListMn[] = {
+    // clang-format off
+    { SmMlAttributeValueType::MlHref, 0 },
+    { SmMlAttributeValueType::MlDir, 1 },
+    { SmMlAttributeValueType::MlMathbackground, 2 },
+    { SmMlAttributeValueType::MlMathcolor, 3 },
+    { SmMlAttributeValueType::MlDisplaystyle, 4 },
+    { SmMlAttributeValueType::MlMathsize, 5 },
+    { SmMlAttributeValueType::MlMathvariant, 6 }
+    // clang-format on
+};
+
+SmMlAttributePos starmathdatabase::MlAttributeListMo[] = {
+    // clang-format off
+    { SmMlAttributeValueType::MlHref, 0 },
+    { SmMlAttributeValueType::MlDir, 1 },
+    { SmMlAttributeValueType::MlMathbackground, 2 },
+    { SmMlAttributeValueType::MlMathcolor, 3 },
+    { SmMlAttributeValueType::MlDisplaystyle, 4 },
+    { SmMlAttributeValueType::MlMathsize, 5 },
+    { SmMlAttributeValueType::MlMathvariant, 6 },
+    { SmMlAttributeValueType::MlFence, 7 },
+    { SmMlAttributeValueType::MlForm, 8 },
+    { SmMlAttributeValueType::MlMaxsize, 9 },
+    { SmMlAttributeValueType::MlMinsize, 10 },
+    { SmMlAttributeValueType::MlMovablelimits, 11 },
+    { SmMlAttributeValueType::MlLspace, 12 },
+    { SmMlAttributeValueType::MlRspace, 13 },
+    { SmMlAttributeValueType::MlAccent, 14 },
+    { SmMlAttributeValueType::MlStretchy, 15 },
+    { SmMlAttributeValueType::MlSeparator, 16 },
+    { SmMlAttributeValueType::MlSymmetric, 17 }
+    // clang-format on
+};
+
+SmMlAttributePos starmathdatabase::MlAttributeListMrow[] = {
+    // clang-format off
+    { SmMlAttributeValueType::MlHref, 0 },
+    { SmMlAttributeValueType::MlDir, 1 },
+    { SmMlAttributeValueType::MlMathbackground, 2 },
+    { SmMlAttributeValueType::MlMathcolor, 3 }
+    // clang-format on
+};
+
+SmMlAttributePos starmathdatabase::MlAttributeListMtext[] = {
+    // clang-format off
+    { SmMlAttributeValueType::MlHref, 0 },
+    { SmMlAttributeValueType::MlDir, 1 },
+    { SmMlAttributeValueType::MlMathbackground, 2 },
+    { SmMlAttributeValueType::MlMathcolor, 3 },
+    { SmMlAttributeValueType::MlDisplaystyle, 4 },
+    { SmMlAttributeValueType::MlMathsize, 5 },
+    { SmMlAttributeValueType::MlMathvariant, 6 }
+    // clang-format on
+};
+
+SmMlAttributePos starmathdatabase::MlAttributeListMstyle[] = {
+    // clang-format off
+    { SmMlAttributeValueType::MlHref, 0 },
+    { SmMlAttributeValueType::MlDir, 1 },
+    { SmMlAttributeValueType::MlMathbackground, 2 },
+    { SmMlAttributeValueType::MlMathcolor, 3 },
+    { SmMlAttributeValueType::MlDisplaystyle, 4 },
+    { SmMlAttributeValueType::MlMathsize, 5 },
+    { SmMlAttributeValueType::MlMathvariant, 6 },
+    { SmMlAttributeValueType::MlFence, 7 },
+    { SmMlAttributeValueType::MlForm, 8 },
+    { SmMlAttributeValueType::MlMaxsize, 9 },
+    { SmMlAttributeValueType::MlMinsize, 10 },
+    { SmMlAttributeValueType::MlMovablelimits, 11 },
+    { SmMlAttributeValueType::MlLspace, 12 },
+    { SmMlAttributeValueType::MlRspace, 13 },
+    { SmMlAttributeValueType::MlAccent, 14 },
+    { SmMlAttributeValueType::MlStretchy, 15 },
+    { SmMlAttributeValueType::MlSeparator, 16 },
+    { SmMlAttributeValueType::MlSymmetric, 17 }
+    // clang-format on
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/starmath/source/mathml/element.cxx b/starmath/source/mathml/element.cxx
new file mode 100644
index 0000000000..4f8f2a64ff
--- /dev/null
+++ b/starmath/source/mathml/element.cxx
@@ -0,0 +1,136 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <mathml/element.hxx>
+
+void SmMlElement::SmImplAttributeType()
+{
+    switch (m_aElementType)
+    {
+        case SmMlElementType::NMlEmpty:
+            m_aAttributePosList = std::vector<SmMlAttributePos>(0);
+            break;
+        case SmMlElementType::NMlStructural:
+            m_aAttributePosList = std::vector<SmMlAttributePos>(0);
+            break;
+        case SmMlElementType::NMlSmNode:
+            m_aAttributePosList = std::vector<SmMlAttributePos>(0);
+            break;
+        case SmMlElementType::MlMath:
+            m_aAttributePosList = std::vector<SmMlAttributePos>(0);
+            //m_aAttributePosList = std::vector<SmMlAttributePos>(std::begin(starmathdatabase::MlAttributeListMath), std::end(starmathdatabase::MlAttributeListMath));
+            break;
+        case SmMlElementType::MlMi:
+            m_aAttributePosList
+                = std::vector<SmMlAttributePos>(std::begin(starmathdatabase::MlAttributeListMi),
+                                                std::end(starmathdatabase::MlAttributeListMi));
+            break;
+        case SmMlElementType::MlMerror:
+            m_aAttributePosList
+                = std::vector<SmMlAttributePos>(std::begin(starmathdatabase::MlAttributeListMerror),
+                                                std::end(starmathdatabase::MlAttributeListMerror));
+            break;
+        case SmMlElementType::MlMn:
+            m_aAttributePosList
+                = std::vector<SmMlAttributePos>(std::begin(starmathdatabase::MlAttributeListMn),
+                                                std::end(starmathdatabase::MlAttributeListMn));
+            break;
+        case SmMlElementType::MlMo:
+            m_aAttributePosList
+                = std::vector<SmMlAttributePos>(std::begin(starmathdatabase::MlAttributeListMo),
+                                                std::end(starmathdatabase::MlAttributeListMo));
+            break;
+        case SmMlElementType::MlMrow:
+            m_aAttributePosList
+                = std::vector<SmMlAttributePos>(std::begin(starmathdatabase::MlAttributeListMrow),
+                                                std::end(starmathdatabase::MlAttributeListMrow));
+            break;
+        case SmMlElementType::MlMtext:
+            m_aAttributePosList
+                = std::vector<SmMlAttributePos>(std::begin(starmathdatabase::MlAttributeListMtext),
+                                                std::end(starmathdatabase::MlAttributeListMtext));
+            break;
+        case SmMlElementType::MlMstyle:
+            m_aAttributePosList
+                = std::vector<SmMlAttributePos>(std::begin(starmathdatabase::MlAttributeListMstyle),
+                                                std::end(starmathdatabase::MlAttributeListMstyle));
+            break;
+        default:
+            break;
+    }
+    // Create attribute vector with given pattern
+    m_aAttributeList = starmathdatabase::makeMlAttributeList(m_aAttributePosList);
+}
+
+SmMlAttribute SmMlElement::getAttribute(SmMlAttributeValueType aAttributeType) const
+{
+    // Look for the attribute position and return if exists
+    for (size_t i = 0; i < m_aAttributePosList.size(); ++i)
+    {
+        if (m_aAttributePosList[i].m_aAttributeValueType == aAttributeType)
+            return m_aAttributeList[m_aAttributePosList[i].m_nPos];
+    }
+    return SmMlAttribute();
+}
+
+bool SmMlElement::isAttributeSet(SmMlAttributeValueType aAttributeType) const
+{
+    // Look for the attribute position and return if exists
+    for (size_t i = 0; i < m_aAttributePosList.size(); ++i)
+    {
+        if (m_aAttributePosList[i].m_aAttributeValueType == aAttributeType)
+            return m_aAttributeList[m_aAttributePosList[i].m_nPos].isSet();
+    }
+    return false;
+}
+
+void SmMlElement::setAttribute(const SmMlAttribute* aAttribute)
+{
+    // Look for the attribute position and assign if exists
+    for (size_t i = 0; i < m_aAttributePosList.size(); ++i)
+    {
+        if (m_aAttributePosList[i].m_aAttributeValueType == aAttribute->getMlAttributeValueType())
+        {
+            m_aAttributeList[m_aAttributePosList[i].m_nPos].setMlAttributeValue(aAttribute);
+            break;
+        }
+    }
+}
+
+void SmMlElement::setSubElement(size_t nPos, SmMlElement* aElement)
+{
+    // This is the new parent element
+    aElement->setParentElement(this);
+    aElement->setSubElementId(nPos);
+    // Check if the vector is long enough
+    // Careful nOldSize can be 0 and -1 will underflow
+    // We must put something on the empty locations
+    size_t nOldSize = m_aSubElements.size();
+    if (nPos + 1 > nOldSize)
+    {
+        m_aSubElements.resize(nPos + 1);
+        for (; nOldSize < nPos; ++nOldSize)
+            m_aSubElements[nOldSize] = nullptr;
+    }
+    // Assign value
+    m_aSubElements[nPos] = aElement;
+}
+
+std::vector<SmMlAttribute>
+starmathdatabase::makeMlAttributeList(std::vector<SmMlAttributePos> aAttributePosList)
+{
+    std::vector<SmMlAttribute> aAttributeList(aAttributePosList.size());
+    for (size_t i = 0; i < aAttributePosList.size(); ++i)
+    {
+        aAttributeList[i].setMlAttributeValueType(aAttributePosList[i].m_aAttributeValueType);
+    }
+    return aAttributeList;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/starmath/source/mathml/export.cxx b/starmath/source/mathml/export.cxx
new file mode 100644
index 0000000000..923668f454
--- /dev/null
+++ b/starmath/source/mathml/export.cxx
@@ -0,0 +1,1090 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+// Our mathml
+#include <mathml/export.hxx>
+#include <mathml/iterator.hxx>
+
+// LO tools to use
+#include <com/sun/star/beans/PropertyAttribute.hpp>
+#include <com/sun/star/embed/ElementModes.hpp>
+#include <com/sun/star/task/XStatusIndicator.hpp>
+#include <com/sun/star/uno/Any.h>
+#include <com/sun/star/util/MeasureUnit.hpp>
+#include <com/sun/star/xml/sax/Writer.hpp>
+
+// Extra LO tools
+#include <comphelper/genericpropertyset.hxx>
+#include <comphelper/processfactory.hxx>
+#include <comphelper/propertysetinfo.hxx>
+#include <sfx2/frame.hxx>
+#include <sfx2/docfile.hxx>
+#include <sfx2/sfxsids.hrc>
+#include <svl/itemset.hxx>
+#include <svl/stritem.hxx>
+#include <unotools/streamwrap.hxx>
+#include <xmloff/namespacemap.hxx>
+
+// Our starmath tools
+#include <document.hxx>
+#include <smmod.hxx>
+#include <strings.hrc>
+#include <unomodel.hxx>
+#include <xparsmlbase.hxx>
+#include <starmathdatabase.hxx>
+
+// Old parser
+#include <mathmlexport.hxx>
+
+using namespace ::com::sun::star;
+using namespace xmloff::token;
+
+using namespace ::com::sun::star::beans;
+using namespace ::com::sun::star::document;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star;
+using namespace ::xmloff::token;
+
+// SmMLExportWrapper
+/*************************************************************************************************/
+
+bool SmMLExportWrapper::Export(SfxMedium& rMedium)
+{
+    bool bRet = true;
+    uno::Reference<uno::XComponentContext> xContext(comphelper::getProcessComponentContext());
+
+    // Check all fine
+    SAL_WARN_IF(m_xModel == nullptr, "starmath", "Missing model");
+    SAL_WARN_IF(xContext == nullptr, "starmath", "Missing context");
+    if (m_xModel == nullptr || xContext == nullptr)
+        return false;
+
+    // Get doc shell
+    SmDocShell* pDocShell = static_cast<SmDocShell*>(m_xModel->GetObjectShell());
+    if (pDocShell == nullptr)
+    {
+        SAL_WARN("starmath", "Failed to fetch sm document");
+        return false;
+    }
+
+    // Check if it is a standalone window or embed object
+    bool bEmbedded = SfxObjectCreateMode::EMBEDDED == pDocShell->GetCreateMode();
+
+    // Medium item set
+    SfxItemSet& rMediumItemSet = rMedium.GetItemSet();
+    if (pDocShell == nullptr)
+    {
+        SAL_WARN("starmath", "Failed to get medium item set");
+        return false;
+    }
+
+    // Progress bar ~
+    uno::Reference<task::XStatusIndicator> xStatusIndicator;
+
+    if (!bEmbedded)
+    {
+        // Extra check to ensure everything is fine
+        if (pDocShell->GetMedium() != &rMedium)
+        {
+            SAL_WARN("starmath", "Input medium and sm document medium do not match");
+            //return false;
+        }
+
+        // Fetch progress bar
+        const SfxUnoAnyItem* pItem = rMediumItemSet.GetItem(SID_PROGRESS_STATUSBAR_CONTROL);
+        if (pItem)
+        {
+            // set progress range and start status indicator
+            pItem->GetValue() >>= xStatusIndicator;
+            xStatusIndicator->start(SmResId(STR_STATSTR_WRITING), 3);
+            xStatusIndicator->setValue(0);
+        }
+    }
+
+    // create XPropertySet with three properties for status indicator
+    static const comphelper::PropertyMapEntry aInfoMap[]{
+        { OUString("UsePrettyPrinting"), 0, cppu::UnoType<bool>::get(),
+          beans::PropertyAttribute::MAYBEVOID, 0 },
+        { OUString("BaseURI"), 0, ::cppu::UnoType<OUString>::get(),
+          beans::PropertyAttribute::MAYBEVOID, 0 },
+        { OUString("StreamRelPath"), 0, ::cppu::UnoType<OUString>::get(),
+          beans::PropertyAttribute::MAYBEVOID, 0 },
+        { OUString("StreamName"), 0, ::cppu::UnoType<OUString>::get(),
+          beans::PropertyAttribute::MAYBEVOID, 0 }
+    };
+    uno::Reference<beans::XPropertySet> xInfoSet(
+        comphelper::GenericPropertySet_CreateInstance(new comphelper::PropertySetInfo(aInfoMap)));
+
+    // Always print pretty
+    xInfoSet->setPropertyValue("UsePrettyPrinting", Any(true));
+
+    // Set base URI
+    xInfoSet->setPropertyValue(u"BaseURI"_ustr, Any(rMedium.GetBaseURL(true)));
+
+    if (!m_bFlat) //Storage (Package) of Stream
+    {
+        // Fetch the output storage
+        uno::Reference<embed::XStorage> xStg = rMedium.GetOutputStorage();
+        if (xStg == nullptr)
+        {
+            SAL_WARN("starmath", "Failed to fetch output storage");
+            return false;
+        }
+
+        // TODO/LATER: handle the case of embedded links gracefully
+        if (bEmbedded) //&& !pStg->IsRoot() )
+        {
+            const SfxStringItem* pDocHierarchItem
+                = rMediumItemSet.GetItem(SID_DOC_HIERARCHICALNAME);
+            if (pDocHierarchItem != nullptr)
+            {
+                OUString aName = pDocHierarchItem->GetValue();
+                if (!aName.isEmpty())
+                    xInfoSet->setPropertyValue("StreamRelPath", Any(aName));
+            }
+        }
+        else
+        {
+            // Write file metadata ( data, LO version ... )
+            // Note: export through an XML exporter component (storage version)
+            if (xStatusIndicator.is())
+                xStatusIndicator->setValue(1);
+
+            bRet = WriteThroughComponentS(xStg, m_xModel, u"meta.xml", xContext, xInfoSet,
+                                          u"com.sun.star.comp.Math.MLOasisMetaExporter", 6);
+        }
+
+        // Write starmath formula
+        // Note: export through an XML exporter component (storage version)
+        if (bRet)
+        {
+            if (xStatusIndicator.is())
+                xStatusIndicator->setValue(2);
+
+            if (pDocShell->GetSmSyntaxVersion() == 5)
+                bRet = WriteThroughComponentS(xStg, m_xModel, u"content.xml", xContext, xInfoSet,
+                                              u"com.sun.star.comp.Math.XMLContentExporter", 5);
+            else
+                bRet = WriteThroughComponentS(xStg, m_xModel, u"content.xml", xContext, xInfoSet,
+                                              u"com.sun.star.comp.Math.MLContentExporter", 6);
+        }
+
+        // Write starmath settings
+        // Note: export through an XML exporter component (storage version)
+        if (bRet)
+        {
+            if (xStatusIndicator.is())
+                xStatusIndicator->setValue(3);
+
+            bRet = WriteThroughComponentS(xStg, m_xModel, u"settings.xml", xContext, xInfoSet,
+                                          u"com.sun.star.comp.Math.MLOasisSettingsExporter", 6);
+        }
+    }
+    else
+    {
+        // Fetch the output stream
+        SvStream* pStream = rMedium.GetOutStream();
+        if (pStream == nullptr)
+        {
+            SAL_WARN("starmath", "Missing output stream");
+            return false;
+        }
+        uno::Reference<io::XOutputStream> xOut(new utl::OOutputStreamWrapper(*pStream));
+
+        if (xStatusIndicator.is())
+            xStatusIndicator->setValue(1);
+
+        // Write everything in the same place
+        // Note: export through an XML exporter component (output stream version)
+        if (pDocShell->GetSmSyntaxVersion() == 5)
+            bRet = WriteThroughComponentOS(xOut, m_xModel, xContext, xInfoSet,
+                                           u"com.sun.star.comp.Math.XMLContentExporter", 5);
+        else
+            bRet = WriteThroughComponentOS(xOut, m_xModel, xContext, xInfoSet,
+                                           u"com.sun.star.comp.Math.MLContentExporter", 6);
+    }
+
+    if (xStatusIndicator.is())
+        xStatusIndicator->end();
+    return bRet;
+}
+
+OUString SmMLExportWrapper::Export(SmMlElement* pElementTree)
+{
+    uno::Reference<uno::XComponentContext> xContext(comphelper::getProcessComponentContext());
+
+    // Check all fine
+    m_pElementTree = nullptr;
+    SAL_WARN_IF(m_xModel == nullptr, "starmath", "Missing model");
+    SAL_WARN_IF(xContext == nullptr, "starmath", "Missing context");
+    if (m_xModel == nullptr || xContext == nullptr)
+        return u""_ustr;
+
+    //Get model
+    uno::Reference<lang::XComponent> xModelComp = m_xModel;
+    SAL_WARN_IF(xModelComp == nullptr, "starmath", "Missing model component");
+    SmModel* pModel = m_xModel.get();
+    SAL_WARN_IF(pModel == nullptr, "starmath", "Failed to get threw uno tunnel");
+    if (xModelComp == nullptr || pModel == nullptr)
+        return u""_ustr;
+
+    // Get doc shell
+    SmDocShell* pDocShell = static_cast<SmDocShell*>(pModel->GetObjectShell());
+    if (pDocShell == nullptr)
+    {
+        SAL_WARN("starmath", "Failed to fetch sm document");
+        return u""_ustr;
+    }
+
+    // create XPropertySet with three properties for status indicator
+    static const comphelper::PropertyMapEntry aInfoMap[]{
+        { OUString("UsePrettyPrinting"), 0, cppu::UnoType<bool>::get(),
+          beans::PropertyAttribute::MAYBEVOID, 0 },
+        { OUString("BaseURI"), 0, ::cppu::UnoType<OUString>::get(),
+          beans::PropertyAttribute::MAYBEVOID, 0 },
+        { OUString("StreamRelPath"), 0, ::cppu::UnoType<OUString>::get(),
+          beans::PropertyAttribute::MAYBEVOID, 0 },
+        { OUString("StreamName"), 0, ::cppu::UnoType<OUString>::get(),
+          beans::PropertyAttribute::MAYBEVOID, 0 }
+    };
+    uno::Reference<beans::XPropertySet> xInfoSet(
+        comphelper::GenericPropertySet_CreateInstance(new comphelper::PropertySetInfo(aInfoMap)));
+
+    // Always print pretty
+    xInfoSet->setPropertyValue("UsePrettyPrinting", Any(true));
+
+    // Fetch mathml tree
+    m_pElementTree = pElementTree;
+
+    // Write stuff
+    // Note: export through an XML exporter component (memory stream version)
+    return WriteThroughComponentMS(xModelComp, xContext, xInfoSet);
+}
+
+// export through an XML exporter component (output stream version)
+bool SmMLExportWrapper::WriteThroughComponentOS(const Reference<io::XOutputStream>& xOutputStream,
+                                                const Reference<XComponent>& xComponent,
+                                                Reference<uno::XComponentContext> const& rxContext,
+                                                Reference<beans::XPropertySet> const& rPropSet,
+                                                const char16_t* pComponentName,
+                                                int_fast16_t nSyntaxVersion)
+{
+    // We need a output stream but it is already checked by caller
+    // We need a component but it is already checked by caller
+    // We need a context but it is already checked by caller
+    // We need a property set but it is already checked by caller
+    // We need a component name but it is already checked by caller
+
+    // get sax writer
+    Reference<xml::sax::XWriter> xSaxWriter = xml::sax::Writer::create(rxContext);
+
+    // connect XML writer to output stream
+    xSaxWriter->setOutputStream(xOutputStream);
+    if (m_bUseHTMLMLEntities)
+        xSaxWriter->setCustomEntityNames(starmathdatabase::icustomMathmlHtmlEntitiesExport);
+
+    // prepare arguments (prepend doc handler to given arguments)
+    Sequence<Any> aArgs{ Any(xSaxWriter), Any(rPropSet) };
+
+    // get filter component
+    auto xExporterData = rxContext->getServiceManager()->createInstanceWithArgumentsAndContext(
+        OUString(pComponentName), aArgs, rxContext);
+    Reference<document::XExporter> xExporter(xExporterData, UNO_QUERY);
+
+    // Check everything is fine
+    if (!xExporter.is())
+    {
+        SAL_WARN("starmath", "can't instantiate export filter component");
+        return false;
+    }
+
+    // connect model and filter
+    xExporter->setSourceDocument(xComponent);
+    Reference<XFilter> xFilter(xExporter, UNO_QUERY);
+    uno::Sequence<PropertyValue> aProps(0);
+
+    // filter
+    if (nSyntaxVersion == 5)
+    {
+        SmXMLExport* pFilter = dynamic_cast<SmXMLExport*>(xFilter.get());
+        if (pFilter == nullptr)
+        {
+            SAL_WARN("starmath", "Failed to fetch SmMLExport");
+            return false;
+        }
+        xFilter->filter(aProps);
+        return pFilter->GetSuccess();
+    }
+
+    // filter
+    SmMLExport* pFilter = dynamic_cast<SmMLExport*>(xFilter.get());
+
+    // Setup filter
+    if (pFilter == nullptr)
+    {
+        SAL_WARN("starmath", "Failed to fetch SmMLExport");
+        return false;
+    }
+    pFilter->setUseExportTag(m_bUseExportTag);
+    pFilter->setElementTree(m_pElementTree);
+
+    // Execute operation
+    xFilter->filter(aProps);
+    return pFilter->getSuccess();
+}
+
+// export through an XML exporter component (storage version)
+bool SmMLExportWrapper::WriteThroughComponentS(const Reference<embed::XStorage>& xStorage,
+                                               const Reference<XComponent>& xComponent,
+                                               const char16_t* pStreamName,
+                                               Reference<uno::XComponentContext> const& rxContext,
+                                               Reference<beans::XPropertySet> const& rPropSet,
+                                               const char16_t* pComponentName,
+                                               int_fast16_t nSyntaxVersion)
+{
+    // We need a storage name but it is already checked by caller
+    // We need a component name but it is already checked by caller
+    // We need a stream name but it is already checked by caller
+    // We need a context but it is already checked by caller
+    // We need a property set but it is already checked by caller
+    // We need a component but it is already checked by caller
+
+    // open stream
+    Reference<io::XStream> xStream;
+    try
+    {
+        xStream = xStorage->openStreamElement(
+            OUString(pStreamName), embed::ElementModes::READWRITE | embed::ElementModes::TRUNCATE);
+    }
+    catch (const uno::Exception&)
+    {
+        SAL_WARN("starmath", "Can't create output stream in package");
+        return false;
+    }
+
+    // Set stream as text / xml
+    uno::Reference<beans::XPropertySet> xSet(xStream, uno::UNO_QUERY);
+    xSet->setPropertyValue("MediaType", Any(u"text/xml"_ustr));
+
+    // all streams must be encrypted in encrypted document
+    xSet->setPropertyValue("UseCommonStoragePasswordEncryption", Any(true));
+
+    // set Base URL
+    rPropSet->setPropertyValue("StreamName", Any(OUString(pStreamName)));
+
+    // write the stuff
+    // Note: export through an XML exporter component (output stream version)
+    return WriteThroughComponentOS(xStream->getOutputStream(), xComponent, rxContext, rPropSet,
+                                   pComponentName, nSyntaxVersion);
+}
+
+// export through an XML exporter component (memory stream version)
+OUString
+SmMLExportWrapper::WriteThroughComponentMS(const Reference<XComponent>& xComponent,
+                                           Reference<uno::XComponentContext> const& rxContext,
+                                           Reference<beans::XPropertySet> const& rPropSet)
+{
+    // We need a component but it is already checked by caller
+    // We need a context but it is already checked by caller
+    // We need a property set it is already checked by caller
+
+    // open stream
+    SvMemoryStream aMemoryStream(8192, 1024);
+    uno::Reference<io::XOutputStream> xStream(new utl::OOutputStreamWrapper(aMemoryStream));
+
+    // Set the stream as text
+    uno::Reference<beans::XPropertySet> xSet(xStream, uno::UNO_QUERY);
+    xSet->setPropertyValue("MediaType", Any(OUString("text/xml")));
+
+    // write the stuff
+    // Note: export through an XML exporter component (output stream version)
+    bool bOk = WriteThroughComponentOS(xStream, xComponent, rxContext, rPropSet,
+                                       u"com.sun.star.comp.Mathml.MLContentExporter", 6);
+
+    // We don't want to read uninitialized data
+    if (!bOk)
+        return u""_ustr;
+
+    // Recover data and generate string
+    OString aString(static_cast<const char*>(aMemoryStream.GetData()),
+                    aMemoryStream.GetSize() / sizeof(char));
+    return OStringToOUString(aString, RTL_TEXTENCODING_UTF8);
+}
+
+// SmMLExport technical
+/*************************************************************************************************/
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+Math_MLExporter_get_implementation(css::uno::XComponentContext* context,
+                                   css::uno::Sequence<css::uno::Any> const&)
+{
+    return cppu::acquire(new SmMLExport(context, "com.sun.star.comp.Math.XMLExporter",
+                                        SvXMLExportFlags::OASIS | SvXMLExportFlags::ALL));
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+Math_MLOasisMetaExporter_get_implementation(css::uno::XComponentContext* context,
+                                            css::uno::Sequence<css::uno::Any> const&)
+{
+    return cppu::acquire(new SmMLExport(context, "com.sun.star.comp.Math.XMLOasisMetaExporter",
+                                        SvXMLExportFlags::OASIS | SvXMLExportFlags::META));
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+Math_MLOasisSettingsExporter_get_implementation(css::uno::XComponentContext* context,
+                                                css::uno::Sequence<css::uno::Any> const&)
+{
+    return cppu::acquire(new SmMLExport(context, "com.sun.star.comp.Math.XMLOasisSettingsExporter",
+                                        SvXMLExportFlags::OASIS | SvXMLExportFlags::SETTINGS));
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+Math_MLContentExporter_get_implementation(css::uno::XComponentContext* context,
+                                          css::uno::Sequence<css::uno::Any> const&)
+{
+    return cppu::acquire(new SmMLExport(context, "com.sun.star.comp.Math.XMLContentExporter",
+                                        SvXMLExportFlags::OASIS | SvXMLExportFlags::CONTENT));
+}
+
+SmDocShell* SmMLExport::getSmDocShell()
+{
+    SmModel* pModel = comphelper::getFromUnoTunnel<SmModel>(GetModel());
+    if (pModel != nullptr)
+        return static_cast<SmDocShell*>(pModel->GetObjectShell());
+    return nullptr;
+}
+
+ErrCode SmMLExport::exportDoc(enum XMLTokenEnum eClass)
+{
+    if (!(getExportFlags() & SvXMLExportFlags::CONTENT))
+    {
+        // Everything that isn't the formula itself get's default export
+        SvXMLExport::exportDoc(eClass);
+        return ERRCODE_NONE;
+    }
+
+    // Checks if it has to export a particular tree
+    if (m_pElementTree == nullptr)
+    {
+        // Set element tree
+        SmDocShell* pDocShell = getSmDocShell();
+        if (pDocShell != nullptr)
+            m_pElementTree = pDocShell->GetMlElementTree();
+        else
+        {
+            m_bSuccess = false;
+            return SVSTREAM_INVALID_PARAMETER;
+        }
+    }
+
+    // Start document and encrypt if necessary
+    GetDocHandler()->startDocument();
+    addChaffWhenEncryptedStorage();
+
+    // make use of a default namespace
+    // Math doesn't need namespaces from xmloff, since it now uses default namespaces
+    // Because that is common with current MathML usage in the web -> ResetNamespaceMap();
+    GetNamespaceMap_().Add(u""_ustr, GetXMLToken(XML_N_MATH), XML_NAMESPACE_MATH);
+
+    // Add xmlns line
+    if (m_bUseExportTag)
+    {
+        GetAttrList().AddAttribute(GetNamespaceMap().GetAttrNameByKey(XML_NAMESPACE_MATH),
+                                   GetNamespaceMap().GetNameByKey(XML_NAMESPACE_MATH));
+    }
+
+    // Export and close document
+    ExportContent_();
+    GetDocHandler()->endDocument();
+
+    return ERRCODE_NONE;
+}
+
+void SmMLExport::GetViewSettings(Sequence<PropertyValue>& aProps)
+{
+    // Get the document shell
+    SmDocShell* pDocShell = getSmDocShell();
+    if (pDocShell == nullptr)
+    {
+        SAL_WARN("starmath", "Missing document shell so no view settings");
+        return;
+    }
+
+    // Allocate enough memory
+    aProps.realloc(4);
+    PropertyValue* pValue = aProps.getArray();
+
+    // The view settings are the formula display settings
+    tools::Rectangle aRect(pDocShell->GetVisArea());
+
+    pValue[0].Name = "ViewAreaTop";
+    pValue[0].Value <<= aRect.Top();
+
+    pValue[1].Name = "ViewAreaLeft";
+    pValue[1].Value <<= aRect.Left();
+
+    pValue[2].Name = "ViewAreaWidth";
+    pValue[2].Value <<= aRect.GetWidth();
+
+    pValue[3].Name = "ViewAreaHeight";
+    pValue[3].Value <<= aRect.GetHeight();
+}
+
+void SmMLExport::GetConfigurationSettings(Sequence<PropertyValue>& rProps)
+{
+    // Get model property set (settings)
+    Reference<XPropertySet> xProps(GetModel(), UNO_QUERY);
+    if (!xProps.is())
+    {
+        SAL_WARN("starmath", "Missing model properties so no configuration settings");
+        return;
+    }
+
+    // Get model property set info (settings values)
+    Reference<XPropertySetInfo> xPropertySetInfo = xProps->getPropertySetInfo();
+    if (!xPropertySetInfo.is())
+    {
+        SAL_WARN("starmath", "Missing model properties info so no configuration settings");
+        return;
+    }
+
+    // Allocate to store the properties
+    Sequence<Property> aProps = xPropertySetInfo->getProperties();
+    const sal_Int32 nCount = aProps.getLength();
+    rProps.realloc(nCount);
+    auto pProps = rProps.getArray();
+
+    // Copy properties
+    // This needs further revision
+    // Based in code mathmlexport.cxx::GetConfigurationSettings
+    for (sal_Int32 i = 0; i < nCount; ++i)
+    {
+        if (aProps[i].Name != "Formula" && aProps[i].Name != "BasicLibraries"
+            && aProps[i].Name != "DialogLibraries" && aProps[i].Name != "RuntimeUID")
+        {
+            pProps[i].Name = aProps[i].Name;
+            pProps[i].Value = xProps->getPropertyValue(aProps[i].Name);
+        }
+    }
+}
+
+SmMLExport::SmMLExport(const css::uno::Reference<css::uno::XComponentContext>& rContext,
+                       OUString const& implementationName, SvXMLExportFlags nExportFlags)
+    : SvXMLExport(rContext, implementationName, util::MeasureUnit::INCH, XML_MATH, nExportFlags)
+    , m_pElementTree(nullptr)
+    , m_bSuccess(true)
+    , m_bUseExportTag(true)
+{
+}
+
+// SmMLExport
+/*************************************************************************************************/
+
+void SmMLExport::declareMlError()
+{
+    SAL_WARN("starmath", "Invalid use of mathml.");
+    m_bSuccess = false;
+}
+
+void SmMLExport::exportMlAttributeLength(xmloff::token::XMLTokenEnum pAttribute,
+                                         const SmLengthValue& aLengthValue)
+{
+    if (!aLengthValue.m_aOriginalText->isEmpty())
+    {
+        addAttribute(pAttribute, *aLengthValue.m_aOriginalText);
+    }
+    else
+    {
+        OUStringBuffer aSizeBuffer(64);
+        aSizeBuffer.append(aLengthValue.m_aLengthValue);
+        switch (aLengthValue.m_aLengthUnit)
+        {
+            case SmLengthUnit::MlEm:
+                aSizeBuffer.append(u"em");
+                break;
+            case SmLengthUnit::MlEx:
+                aSizeBuffer.append(u"ex");
+                break;
+            case SmLengthUnit::MlPx:
+                aSizeBuffer.append(u"px");
+                break;
+            case SmLengthUnit::MlIn:
+                aSizeBuffer.append(u"in");
+                break;
+            case SmLengthUnit::MlCm:
+                aSizeBuffer.append(u"cm");
+                break;
+            case SmLengthUnit::MlMm:
+                aSizeBuffer.append(u"mm");
+                break;
+            case SmLengthUnit::MlPt:
+                aSizeBuffer.append(u"pt");
+                break;
+            case SmLengthUnit::MlPc:
+                aSizeBuffer.append(u"pc");
+                break;
+            case SmLengthUnit::MlP:
+                aSizeBuffer.append(u"%");
+                break;
+            case SmLengthUnit::MlM:
+                break;
+            default:
+                declareMlError();
+                break;
+        }
+        addAttribute(pAttribute, aSizeBuffer.makeStringAndClear());
+    }
+}
+
+void SmMLExport::exportMlAttributes(const SmMlElement* pMlElement)
+{
+    size_t nAttributeCount = pMlElement->getAttributeCount();
+    for (size_t i = 0; i < nAttributeCount; ++i)
+    {
+        SmMlAttribute aAttribute = pMlElement->getAttribute(i);
+        if (!aAttribute.isSet())
+            continue;
+
+        switch (aAttribute.getMlAttributeValueType())
+        {
+            case SmMlAttributeValueType::MlAccent:
+            {
+                auto aAttributeValue = aAttribute.getMlAccent();
+                switch (aAttributeValue->m_aAccent)
+                {
+                    case SmMlAttributeValueAccent::MlFalse:
+                        addAttribute(XML_ACCENT, XML_FALSE);
+                        break;
+                    case SmMlAttributeValueAccent::MlTrue:
+                        addAttribute(XML_ACCENT, XML_TRUE);
+                        break;
+                    default:
+                        declareMlError();
+                        break;
+                }
+                break;
+            }
+            case SmMlAttributeValueType::MlDir:
+            {
+                auto aAttributeValue = aAttribute.getMlDir();
+                switch (aAttributeValue->m_aDir)
+                {
+                    case SmMlAttributeValueDir::MlLtr:
+                        addAttribute(XML_DIR, XML_LTR);
+                        break;
+                    case SmMlAttributeValueDir::MlRtl:
+                        addAttribute(XML_DIR, XML_RTL);
+                        break;
+                    default:
+                        declareMlError();
+                        break;
+                }
+                break;
+            }
+            case SmMlAttributeValueType::MlDisplaystyle:
+            {
+                auto aAttributeValue = aAttribute.getMlDisplaystyle();
+                switch (aAttributeValue->m_aDisplaystyle)
+                {
+                    case SmMlAttributeValueDisplaystyle::MlTrue:
+                        addAttribute(XML_DISPLAYSTYLE, XML_FALSE);
+                        break;
+                    case SmMlAttributeValueDisplaystyle::MlFalse:
+                        addAttribute(XML_DISPLAYSTYLE, XML_TRUE);
+                        break;
+                    default:
+                        declareMlError();
+                        break;
+                }
+                break;
+            }
+            case SmMlAttributeValueType::MlFence:
+            {
+                auto aAttributeValue = aAttribute.getMlFence();
+                switch (aAttributeValue->m_aFence)
+                {
+                    case SmMlAttributeValueFence::MlTrue:
+                        addAttribute(XML_FENCE, XML_FALSE);
+                        break;
+                    case SmMlAttributeValueFence::MlFalse:
+                        addAttribute(XML_FENCE, XML_TRUE);
+                        break;
+                    default:
+                        declareMlError();
+                        break;
+                }
+                break;
+            }
+            case SmMlAttributeValueType::MlHref:
+            {
+                auto aAttributeValue = aAttribute.getMlHref();
+                switch (aAttributeValue->m_aHref)
+                {
+                    case SmMlAttributeValueHref::NMlEmpty:
+                        break;
+                    case SmMlAttributeValueHref::NMlValid:
+                        addAttribute(XML_HREF, *aAttributeValue->m_aLnk);
+                        break;
+                    default:
+                        declareMlError();
+                        break;
+                }
+                break;
+            }
+            case SmMlAttributeValueType::MlLspace:
+            {
+                auto aSizeData = aAttribute.getMlLspace();
+                auto aLengthData = aSizeData->m_aLengthValue;
+                exportMlAttributeLength(XML_LSPACE, aLengthData);
+                break;
+            }
+            case SmMlAttributeValueType::MlMathbackground:
+            {
+                auto aAttributeValue = aAttribute.getMlMathbackground();
+                switch (aAttributeValue->m_aMathbackground)
+                {
+                    case SmMlAttributeValueMathbackground::MlTransparent:
+                        addAttribute(XML_MATHBACKGROUND, "transparent");
+                        break;
+                    case SmMlAttributeValueMathbackground::MlRgb:
+                    {
+                        const OUString& rTextColor = starmathdatabase::Identify_Color_MATHML(
+                                                         sal_uInt32(aAttributeValue->m_aCol))
+                                                         .aIdent;
+                        addAttribute(XML_MATHBACKGROUND, rTextColor);
+                        break;
+                    }
+                    default:
+                        declareMlError();
+                        break;
+                }
+                break;
+            }
+            case SmMlAttributeValueType::MlMathcolor:
+            {
+                auto aAttributeValue = aAttribute.getMlMathcolor();
+                switch (aAttributeValue->m_aMathcolor)
+                {
+                    case SmMlAttributeValueMathcolor::MlDefault:
+                        break;
+                    case SmMlAttributeValueMathcolor::MlRgb:
+                    {
+                        const OUString& rTextColor = starmathdatabase::Identify_Color_MATHML(
+                                                         sal_uInt32(aAttributeValue->m_aCol))
+                                                         .aIdent;
+                        addAttribute(XML_MATHCOLOR, rTextColor);
+                        break;
+                    }
+                    default:
+                        declareMlError();
+                        break;
+                }
+                break;
+            }
+            case SmMlAttributeValueType::MlMathsize:
+            {
+                auto aSizeData = aAttribute.getMlMathsize();
+                auto aLengthData = aSizeData->m_aLengthValue;
+                exportMlAttributeLength(XML_MATHSIZE, aLengthData);
+                break;
+            }
+            case SmMlAttributeValueType::MlMathvariant:
+            {
+                auto aAttributeValue = aAttribute.getMlMathvariant();
+                switch (aAttributeValue->m_aMathvariant)
+                {
+                    case SmMlAttributeValueMathvariant::normal:
+                        addAttribute(XML_MATHVARIANT, "normal");
+                        break;
+                    case SmMlAttributeValueMathvariant::bold:
+                        addAttribute(XML_MATHVARIANT, "bold");
+                        break;
+                    case SmMlAttributeValueMathvariant::italic:
+                        addAttribute(XML_MATHVARIANT, "italic");
+                        break;
+                    case SmMlAttributeValueMathvariant::double_struck:
+                        addAttribute(XML_MATHVARIANT, "double-struck");
+                        break;
+                    case SmMlAttributeValueMathvariant::script:
+                        addAttribute(XML_MATHVARIANT, "script");
+                        break;
+                    case SmMlAttributeValueMathvariant::fraktur:
+                        addAttribute(XML_MATHVARIANT, "fraktur");
+                        break;
+                    case SmMlAttributeValueMathvariant::sans_serif:
+                        addAttribute(XML_MATHVARIANT, "sans-serif");
+                        break;
+                    case SmMlAttributeValueMathvariant::monospace:
+                        addAttribute(XML_MATHVARIANT, "monospace");
+                        break;
+                    case SmMlAttributeValueMathvariant::bold_italic:
+                        addAttribute(XML_MATHVARIANT, "bold-italic");
+                        break;
+                    case SmMlAttributeValueMathvariant::bold_fraktur:
+                        addAttribute(XML_MATHVARIANT, "bold-fracktur");
+                        break;
+                    case SmMlAttributeValueMathvariant::bold_script:
+                        addAttribute(XML_MATHVARIANT, "bold-script");
+                        break;
+                    case SmMlAttributeValueMathvariant::bold_sans_serif:
+                        addAttribute(XML_MATHVARIANT, "bold-sans-serif");
+                        break;
+                    case SmMlAttributeValueMathvariant::sans_serif_italic:
+                        addAttribute(XML_MATHVARIANT, "sans-serif-italic");
+                        break;
+                    case SmMlAttributeValueMathvariant::sans_serif_bold_italic:
+                        addAttribute(XML_MATHVARIANT, "sans-serif-bold-italic");
+                        break;
+                    case SmMlAttributeValueMathvariant::initial:
+                        addAttribute(XML_MATHVARIANT, "initial");
+                        break;
+                    case SmMlAttributeValueMathvariant::tailed:
+                        addAttribute(XML_MATHVARIANT, "tailed");
+                        break;
+                    case SmMlAttributeValueMathvariant::looped:
+                        addAttribute(XML_MATHVARIANT, "looped");
+                        break;
+                    case SmMlAttributeValueMathvariant::stretched:
+                        addAttribute(XML_MATHVARIANT, "stretched");
+                        break;
+                    default:
+                        declareMlError();
+                        break;
+                }
+                break;
+            }
+            case SmMlAttributeValueType::MlMaxsize:
+            {
+                auto aSizeData = aAttribute.getMlMaxsize();
+                auto aLengthData = aSizeData->m_aLengthValue;
+                switch (aSizeData->m_aMaxsize)
+                {
+                    case SmMlAttributeValueMaxsize::MlInfinity:
+                    {
+                        addAttribute(XML_MAXSIZE, XML_INFINITY);
+                        break;
+                    }
+                    case SmMlAttributeValueMaxsize::MlFinite:
+                    {
+                        exportMlAttributeLength(XML_MAXSIZE, aLengthData);
+                        break;
+                    }
+                }
+                break;
+            }
+            case SmMlAttributeValueType::MlMinsize:
+            {
+                auto aSizeData = aAttribute.getMlMinsize();
+                auto aLengthData = aSizeData->m_aLengthValue;
+                exportMlAttributeLength(XML_MINSIZE, aLengthData);
+                break;
+            }
+            case SmMlAttributeValueType::MlMovablelimits:
+            {
+                auto aAttributeValue = aAttribute.getMlMovablelimits();
+                switch (aAttributeValue->m_aMovablelimits)
+                {
+                    case SmMlAttributeValueMovablelimits::MlFalse:
+                        addAttribute(XML_MOVABLELIMITS, XML_FALSE);
+                        break;
+                    case SmMlAttributeValueMovablelimits::MlTrue:
+                        addAttribute(XML_MOVABLELIMITS, XML_TRUE);
+                        break;
+                    default:
+                        declareMlError();
+                        break;
+                }
+                break;
+            }
+            case SmMlAttributeValueType::MlRspace:
+            {
+                auto aSizeData = aAttribute.getMlRspace();
+                auto aLengthData = aSizeData->m_aLengthValue;
+                exportMlAttributeLength(XML_RSPACE, aLengthData);
+                break;
+            }
+            case SmMlAttributeValueType::MlSeparator:
+            {
+                auto aAttributeValue = aAttribute.getMlSeparator();
+                switch (aAttributeValue->m_aSeparator)
+                {
+                    case SmMlAttributeValueSeparator::MlFalse:
+                        addAttribute(XML_SEPARATOR, XML_FALSE);
+                        break;
+                    case SmMlAttributeValueSeparator::MlTrue:
+                        addAttribute(XML_SEPARATOR, XML_TRUE);
+                        break;
+                    default:
+                        declareMlError();
+                        break;
+                }
+                break;
+            }
+            case SmMlAttributeValueType::MlStretchy:
+            {
+                auto aAttributeValue = aAttribute.getMlStretchy();
+                switch (aAttributeValue->m_aStretchy)
+                {
+                    case SmMlAttributeValueStretchy::MlFalse:
+                        addAttribute(XML_STRETCHY, XML_FALSE);
+                        break;
+                    case SmMlAttributeValueStretchy::MlTrue:
+                        addAttribute(XML_STRETCHY, XML_TRUE);
+                        break;
+                    default:
+                        declareMlError();
+                        break;
+                }
+                break;
+            }
+            case SmMlAttributeValueType::MlSymmetric:
+            {
+                auto aAttributeValue = aAttribute.getMlSymmetric();
+                switch (aAttributeValue->m_aSymmetric)
+                {
+                    case SmMlAttributeValueSymmetric::MlFalse:
+                        addAttribute(XML_SYMMETRIC, XML_FALSE);
+                        break;
+                    case SmMlAttributeValueSymmetric::MlTrue:
+                        addAttribute(XML_SYMMETRIC, XML_TRUE);
+                        break;
+                    default:
+                        declareMlError();
+                        break;
+                }
+                break;
+            }
+            default:
+                declareMlError();
+                break;
+        }
+    }
+}
+
+SvXMLElementExport* SmMLExport::exportMlElement(const SmMlElement* pMlElement)
+{
+    SvXMLElementExport* pElementExport;
+    switch (pMlElement->getMlElementType())
+    {
+        case SmMlElementType::MlMath:
+            pElementExport = createElementExport(XML_MATH);
+            break;
+        case SmMlElementType::MlMi:
+            pElementExport = createElementExport(XML_MI);
+            break;
+        case SmMlElementType::MlMerror:
+            pElementExport = createElementExport(XML_MERROR);
+            break;
+        case SmMlElementType::MlMn:
+            pElementExport = createElementExport(XML_MN);
+            break;
+        case SmMlElementType::MlMo:
+            pElementExport = createElementExport(XML_MO);
+            break;
+        case SmMlElementType::MlMrow:
+            pElementExport = createElementExport(XML_MROW);
+            break;
+        case SmMlElementType::MlMtext:
+            pElementExport = createElementExport(XML_MTEXT);
+            break;
+        case SmMlElementType::MlMstyle:
+            pElementExport = createElementExport(XML_MSTYLE);
+            break;
+        default:
+            pElementExport = nullptr;
+    }
+    const OUString& aElementText = pMlElement->getText();
+    exportMlAttributes(pMlElement);
+    if (aElementText.isEmpty())
+        GetDocHandler()->characters(aElementText);
+    return pElementExport;
+}
+
+namespace
+{
+struct exportMlElementTreeExecData
+{
+private:
+    SmMLExport* m_pSmMLExport;
+    std::vector<SvXMLElementExport*> m_aSvXMLElementExportList;
+    size_t m_nDepth;
+
+public:
+    inline exportMlElementTreeExecData(SmMLExport* pSmMLExport)
+        : m_pSmMLExport(pSmMLExport)
+        , m_aSvXMLElementExportList(1024)
+        , m_nDepth(0)
+    {
+    }
+
+    inline void deleteDepthData()
+    {
+        delete m_aSvXMLElementExportList[m_nDepth];
+        --m_nDepth;
+    }
+
+    inline void setDepthData(SvXMLElementExport* aSvXMLElementExportList)
+    {
+        if (m_nDepth == m_aSvXMLElementExportList.size())
+            m_aSvXMLElementExportList.resize(m_aSvXMLElementExportList.size() + 1024);
+        m_aSvXMLElementExportList[m_nDepth] = aSvXMLElementExportList;
+    }
+
+    inline void incrementDepth() { ++m_nDepth; }
+
+    inline SmMLExport* getSmMLExport() { return m_pSmMLExport; };
+};
+
+} // end unnamed namespace
+
+static inline void exportMlElementTreeExec(SmMlElement* aSmMlElement, void* aData)
+{
+    // Prepare data
+    exportMlElementTreeExecData* pData = static_cast<exportMlElementTreeExecData*>(aData);
+    pData->setDepthData(pData->getSmMLExport()->exportMlElement(aSmMlElement));
+
+    // Prepare for following
+    // If it has sub elements, then it will be the next
+    if (aSmMlElement->getSubElementsCount() != 0)
+        pData->incrementDepth();
+    else // Otherwise remounts up to where it should be
+    {
+        while (aSmMlElement->getParentElement() != nullptr)
+        {
+            // get parent
+            SmMlElement* pParent = aSmMlElement->getParentElement();
+            pData->deleteDepthData();
+            // was this the last branch ?
+            if (aSmMlElement->getSubElementId() + 1 != pParent->getSubElementsCount()) // yes -> up
+                break; // no -> stop going up
+            // Prepare for next round
+            aSmMlElement = pParent;
+        }
+    }
+}
+
+void SmMLExport::exportMlElementTree()
+{
+    exportMlElementTreeExecData* aData = new exportMlElementTreeExecData(this);
+    mathml::SmMlIteratorTopToBottom(m_pElementTree, exportMlElementTreeExec, aData);
+    delete aData;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/mathml/import.cxx b/starmath/source/mathml/import.cxx
new file mode 100644
index 0000000000..d857e56930
--- /dev/null
+++ b/starmath/source/mathml/import.cxx
@@ -0,0 +1,1405 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+// Our mathml
+#include <mathml/import.hxx>
+
+// LO tools to use
+#include <com/sun/star/beans/PropertyAttribute.hpp>
+#include <com/sun/star/document/XDocumentPropertiesSupplier.hpp>
+#include <com/sun/star/embed/ElementModes.hpp>
+#include <com/sun/star/packages/WrongPasswordException.hpp>
+#include <com/sun/star/packages/zip/ZipIOException.hpp>
+#include <com/sun/star/task/XStatusIndicator.hpp>
+#include <com/sun/star/xml/sax/FastParser.hpp>
+#include <com/sun/star/xml/sax/InputSource.hpp>
+#include <com/sun/star/xml/sax/Parser.hpp>
+#include <com/sun/star/xml/sax/SAXParseException.hpp>
+
+// Extra LO tools
+#include <comphelper/fileformat.h>
+#include <comphelper/genericpropertyset.hxx>
+#include <comphelper/processfactory.hxx>
+#include <comphelper/propertysetinfo.hxx>
+#include <comphelper/servicehelper.hxx>
+#include <rtl/character.hxx>
+#include <sfx2/docfile.hxx>
+#include <sfx2/frame.hxx>
+#include <sfx2/sfxsids.hrc>
+#include <sot/storage.hxx>
+#include <svtools/sfxecode.hxx>
+#include <svl/itemset.hxx>
+#include <svl/stritem.hxx>
+#include <svx/dialmgr.hxx>
+#include <svx/strings.hrc>
+#include <unotools/streamwrap.hxx>
+#include <xmloff/DocumentSettingsContext.hxx>
+#include <xmloff/xmlmetai.hxx>
+#include <xmloff/xmlnamespace.hxx>
+#include <xmloff/xmltoken.hxx>
+#include <o3tl/string_view.hxx>
+
+// Our starmath tools
+#include <cfgitem.hxx>
+#include <document.hxx>
+#include <xparsmlbase.hxx>
+#include <smmod.hxx>
+#include <starmathdatabase.hxx>
+#include <unomodel.hxx>
+
+// Old parser
+#include <mathmlimport.hxx>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::beans;
+using namespace ::com::sun::star::container;
+using namespace ::com::sun::star::document;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::uno;
+using namespace com::sun::star::xml::sax;
+using namespace ::xmloff::token;
+
+// SmMLImportContext
+/*************************************************************************************************/
+
+SmMlElement* SmMLImportWrapper::getElementTree()
+{
+    return m_pMlImport == nullptr ? nullptr : m_pMlImport->getElementTree();
+}
+
+ErrCode SmMLImportWrapper::Import(SfxMedium& rMedium)
+{
+    // Fetch context
+    uno::Reference<uno::XComponentContext> xContext(comphelper::getProcessComponentContext());
+    if (!xContext.is())
+    {
+        SAL_WARN("starmath", "Failed to fetch model while file input");
+        return ERRCODE_SFX_DOLOADFAILED;
+    }
+
+    // Check model
+    if (!m_xModel.is())
+    {
+        SAL_WARN("starmath", "Failed to fetch model while file input");
+        return ERRCODE_SFX_DOLOADFAILED;
+    }
+
+    // Try to get an XStatusIndicator from the Medium
+    uno::Reference<task::XStatusIndicator> xStatusIndicator;
+
+    // Get model via uno
+    SmModel* pModel = m_xModel.get();
+    if (pModel == nullptr)
+    {
+        SAL_WARN("starmath", "Failed to fetch sm model while file input");
+        return ERRCODE_SFX_DOLOADFAILED;
+    }
+
+    // Get doc shell
+    m_pDocShell = static_cast<SmDocShell*>(pModel->GetObjectShell());
+    if (m_pDocShell == nullptr)
+    {
+        SAL_WARN("starmath", "Failed to fetch smdoc shell while file input");
+        return ERRCODE_SFX_DOLOADFAILED;
+    }
+
+    // Check if it is an embed object
+    bool bEmbedded = m_pDocShell->GetCreateMode() == SfxObjectCreateMode::EMBEDDED;
+
+    if (!bEmbedded)
+    {
+        // Extra check to ensure everything is fine
+        if (m_pDocShell->GetMedium() != &rMedium)
+        {
+            SAL_WARN("starmath", "Given medium and doc shell medium differ while file input");
+            return ERRCODE_SFX_DOLOADFAILED;
+        }
+
+        // Fetch the item set
+        const SfxUnoAnyItem* pItem = rMedium.GetItemSet().GetItem(SID_PROGRESS_STATUSBAR_CONTROL);
+        if (pItem != nullptr)
+            pItem->GetValue() >>= xStatusIndicator;
+    }
+
+    // Create property list
+    static const comphelper::PropertyMapEntry aInfoMap[]
+        = { { u"PrivateData"_ustr, 0, cppu::UnoType<XInterface>::get(),
+              beans::PropertyAttribute::MAYBEVOID, 0 },
+            { u"BaseURI"_ustr, 0, ::cppu::UnoType<OUString>::get(),
+              beans::PropertyAttribute::MAYBEVOID, 0 },
+            { u"StreamRelPath"_ustr, 0, ::cppu::UnoType<OUString>::get(),
+              beans::PropertyAttribute::MAYBEVOID, 0 },
+            { u"StreamName"_ustr, 0, ::cppu::UnoType<OUString>::get(),
+              beans::PropertyAttribute::MAYBEVOID, 0 } };
+    uno::Reference<beans::XPropertySet> xInfoSet(
+        comphelper::GenericPropertySet_CreateInstance(new comphelper::PropertySetInfo(aInfoMap)));
+
+    // Set base URI
+    // needed for relative URLs; but it's OK to import e.g. MathML from the clipboard without one
+    SAL_INFO_IF(rMedium.GetBaseURL().isEmpty(), "starmath", "SmMLImportWrapper: no base URL");
+    xInfoSet->setPropertyValue("BaseURI", Any(rMedium.GetBaseURL()));
+
+    // Fetch progress range
+    sal_Int32 nProgressRange(rMedium.IsStorage() ? 3 : 1);
+    if (xStatusIndicator.is())
+    {
+        xStatusIndicator->start(SvxResId(RID_SVXSTR_DOC_LOAD), nProgressRange);
+        xStatusIndicator->setValue(0);
+    }
+
+    // Get storage
+    if (rMedium.IsStorage())
+    {
+        // TODO/LATER: handle the case of embedded links gracefully
+        if (bEmbedded) // && !rMedium.GetStorage()->IsRoot() )
+        {
+            OUString aName(u"dummyObjName"_ustr);
+            const SfxStringItem* pDocHierarchItem
+                = rMedium.GetItemSet().GetItem(SID_DOC_HIERARCHICALNAME);
+            if (pDocHierarchItem != nullptr)
+                aName = pDocHierarchItem->GetValue();
+
+            if (!aName.isEmpty())
+                xInfoSet->setPropertyValue("StreamRelPath", Any(aName));
+        }
+
+        // Check if use OASIS ( new document format )
+        bool bOASIS = SotStorage::GetVersion(rMedium.GetStorage()) > SOFFICE_FILEFORMAT_60;
+        if (xStatusIndicator.is())
+            xStatusIndicator->setValue(1);
+
+        // Error code in case of needed
+        ErrCode nWarn = ERRCODE_NONE;
+
+        // Read metadata
+        // read a component from storage
+        if (!bEmbedded)
+        {
+            if (bOASIS)
+                nWarn = ReadThroughComponentS(rMedium.GetStorage(), m_xModel, u"meta.xml", xContext,
+                                              xInfoSet,
+                                              u"com.sun.star.comp.Math.MLOasisMetaImporter", 6);
+            else
+                nWarn
+                    = ReadThroughComponentS(rMedium.GetStorage(), m_xModel, u"meta.xml", xContext,
+                                            xInfoSet, u"com.sun.star.comp.Math.XMLMetaImporter", 5);
+        }
+
+        // Check if successful
+        if (nWarn != ERRCODE_NONE)
+        {
+            if (xStatusIndicator.is())
+                xStatusIndicator->end();
+            SAL_WARN("starmath", "Failed to read file");
+            return nWarn;
+        }
+
+        // Increase success indicator
+        if (xStatusIndicator.is())
+            xStatusIndicator->setValue(2);
+
+        // Read settings
+        // read a component from storage
+        if (bOASIS)
+            nWarn = ReadThroughComponentS(rMedium.GetStorage(), m_xModel, u"settings.xml", xContext,
+                                          xInfoSet,
+                                          u"com.sun.star.comp.Math.MLOasisSettingsImporter", 6);
+        else
+            nWarn
+                = ReadThroughComponentS(rMedium.GetStorage(), m_xModel, u"settings.xml", xContext,
+                                        xInfoSet, u"com.sun.star.comp.Math.XMLSettingsImporter", 5);
+
+        // Check if successful
+        if (nWarn != ERRCODE_NONE)
+        {
+            if (xStatusIndicator.is())
+                xStatusIndicator->end();
+            SAL_WARN("starmath", "Failed to read file");
+            return nWarn;
+        }
+
+        // Increase success indicator
+        if (xStatusIndicator.is())
+            xStatusIndicator->setValue(3);
+
+        // Read document
+        // read a component from storage
+        if (m_pDocShell->GetSmSyntaxVersion() == 5)
+            nWarn = ReadThroughComponentS(rMedium.GetStorage(), m_xModel, u"content.xml", xContext,
+                                          xInfoSet, u"com.sun.star.comp.Math.XMLImporter", 5);
+        else
+            nWarn = ReadThroughComponentS(rMedium.GetStorage(), m_xModel, u"content.xml", xContext,
+                                          xInfoSet, u"com.sun.star.comp.Math.MLImporter", 6);
+        // Check if successful
+        if (nWarn != ERRCODE_NONE)
+        {
+            if (xStatusIndicator.is())
+                xStatusIndicator->end();
+            SAL_WARN("starmath", "Failed to read file");
+            return nWarn;
+        }
+
+        // Finish
+        if (xStatusIndicator.is())
+            xStatusIndicator->end();
+        return ERRCODE_NONE;
+    }
+    else
+    {
+        // Create input stream
+        Reference<io::XInputStream> xInputStream
+            = new utl::OInputStreamWrapper(rMedium.GetInStream());
+
+        // Increase success indicator
+        if (xStatusIndicator.is())
+            xStatusIndicator->setValue(1);
+
+        // Read data
+        // read a component from input stream
+        ErrCode nError = ERRCODE_NONE;
+        if (m_pDocShell->GetSmSyntaxVersion() == 5)
+            nError = ReadThroughComponentIS(xInputStream, m_xModel, xContext, xInfoSet,
+                                            u"com.sun.star.comp.Math.XMLImporter", false, 5);
+        else
+            nError = ReadThroughComponentIS(xInputStream, m_xModel, xContext, xInfoSet,
+                                            u"com.sun.star.comp.Math.MLImporter", false, 6);
+
+        // Finish
+        if (xStatusIndicator.is())
+            xStatusIndicator->end();
+
+        // Declare any error
+        if (nError != ERRCODE_NONE)
+            SAL_WARN("starmath", "Failed to read file");
+
+        return nError;
+    }
+}
+
+ErrCode SmMLImportWrapper::Import(std::u16string_view aSource)
+{
+    // Fetch context
+    uno::Reference<uno::XComponentContext> xContext(comphelper::getProcessComponentContext());
+    if (!xContext.is())
+    {
+        SAL_WARN("starmath", "Failed to fetch model while file input");
+        return ERRCODE_SFX_DOLOADFAILED;
+    }
+
+    // Check model
+    if (!m_xModel.is())
+    {
+        SAL_WARN("starmath", "Failed to fetch model while file input");
+        return ERRCODE_SFX_DOLOADFAILED;
+    }
+
+    // Make a model component from our SmModel
+    uno::Reference<lang::XComponent> xModelComp = m_xModel;
+    if (!xModelComp.is())
+    {
+        SAL_WARN("starmath", "Failed to make model while file input");
+        return ERRCODE_SFX_DOLOADFAILED;
+    }
+
+    // Get model via uno
+    SmModel* pModel = m_xModel.get();
+    if (pModel == nullptr)
+    {
+        SAL_WARN("starmath", "Failed to fetch sm model while file input");
+        return ERRCODE_SFX_DOLOADFAILED;
+    }
+
+    // Get doc shell
+    m_pDocShell = static_cast<SmDocShell*>(pModel->GetObjectShell());
+    if (m_pDocShell == nullptr)
+    {
+        SAL_WARN("starmath", "Failed to fetch smdoc shell while file input");
+        return ERRCODE_SFX_DOLOADFAILED;
+    }
+
+    // Create property list
+    static const comphelper::PropertyMapEntry aInfoMap[]
+        = { { u"PrivateData"_ustr, 0, cppu::UnoType<XInterface>::get(),
+              beans::PropertyAttribute::MAYBEVOID, 0 },
+            { u"BaseURI"_ustr, 0, ::cppu::UnoType<OUString>::get(),
+              beans::PropertyAttribute::MAYBEVOID, 0 },
+            { u"StreamRelPath"_ustr, 0, ::cppu::UnoType<OUString>::get(),
+              beans::PropertyAttribute::MAYBEVOID, 0 },
+            { u"StreamName"_ustr, 0, ::cppu::UnoType<OUString>::get(),
+              beans::PropertyAttribute::MAYBEVOID, 0 } };
+    uno::Reference<beans::XPropertySet> xInfoSet(
+        comphelper::GenericPropertySet_CreateInstance(new comphelper::PropertySetInfo(aInfoMap)));
+
+    // Read data
+    // read a component from text
+    ErrCode nError = ReadThroughComponentMS(aSource, xModelComp, xContext, xInfoSet);
+
+    // Declare any error
+    if (nError != ERRCODE_NONE)
+    {
+        SAL_WARN("starmath", "Failed to read file");
+        return nError;
+    }
+
+    return ERRCODE_NONE;
+}
+
+// read a component from input stream
+ErrCode SmMLImportWrapper::ReadThroughComponentIS(
+    const Reference<io::XInputStream>& xInputStream, const Reference<XComponent>& xModelComponent,
+    Reference<uno::XComponentContext> const& rxContext,
+    Reference<beans::XPropertySet> const& rPropSet, const char16_t* pFilterName, bool bEncrypted,
+    int_fast16_t nSyntaxVersion)
+{
+    // Needs an input stream but checked by caller
+    // Needs a context but checked by caller
+    // Needs property set but checked by caller
+    // Needs a filter name but checked by caller
+
+    // Prepare ParserInputSource
+    xml::sax::InputSource aParserInput;
+    aParserInput.aInputStream = xInputStream;
+
+    // Prepare property list
+    Sequence<Any> aArgs{ Any(rPropSet) };
+
+    // Get filter
+    Reference<XInterface> xFilter
+        = rxContext->getServiceManager()->createInstanceWithArgumentsAndContext(
+            OUString(pFilterName), aArgs, rxContext);
+    if (!xFilter.is())
+    {
+        SAL_WARN("starmath", "Can't instantiate filter component " << OUString(pFilterName));
+        return ERRCODE_SFX_DOLOADFAILED;
+    }
+
+    // Connect model and filter
+    Reference<XImporter> xImporter(xFilter, UNO_QUERY);
+    xImporter->setTargetDocument(xModelComponent);
+
+    // Finally, parser the stream
+    try
+    {
+        Reference<css::xml::sax::XFastParser> xFastParser(xFilter, UNO_QUERY);
+        Reference<css::xml::sax::XFastDocumentHandler> xFastDocHandler(xFilter, UNO_QUERY);
+        if (xFastParser)
+        {
+            xFastParser->setCustomEntityNames(starmathdatabase::icustomMathmlHtmlEntities);
+            xFastParser->parseStream(aParserInput);
+        }
+        else if (xFastDocHandler)
+        {
+            Reference<css::xml::sax::XFastParser> xParser
+                = css::xml::sax::FastParser::create(rxContext);
+            xParser->setCustomEntityNames(starmathdatabase::icustomMathmlHtmlEntities);
+            xParser->setFastDocumentHandler(xFastDocHandler);
+            xParser->parseStream(aParserInput);
+        }
+        else
+        {
+            Reference<css::xml::sax::XDocumentHandler> xDocHandler(xFilter, UNO_QUERY);
+            assert(xDocHandler);
+            Reference<css::xml::sax::XParser> xParser = css::xml::sax::Parser::create(rxContext);
+            xParser->setDocumentHandler(xDocHandler);
+            xParser->parseStream(aParserInput);
+        }
+
+        if (nSyntaxVersion == 5)
+        {
+            SmXMLImport* pXMlImport = dynamic_cast<SmXMLImport*>(xFilter.get());
+            if (pXMlImport != nullptr && pXMlImport->GetSuccess())
+                return ERRCODE_NONE;
+            else
+            {
+                SAL_WARN("starmath", "Filter failed on file input");
+                // However this can not be included since it's not public
+                if (pXMlImport == nullptr)
+                    return ERRCODE_NONE;
+                return ERRCODE_SFX_DOLOADFAILED;
+            }
+        }
+
+        m_pMlImport = dynamic_cast<SmMLImport*>(xFilter.get());
+        if (m_pMlImport != nullptr && m_pMlImport->getSuccess())
+            return ERRCODE_NONE;
+        else
+        {
+            SAL_WARN("starmath", "Filter failed on file input");
+            return ERRCODE_SFX_DOLOADFAILED;
+        }
+    }
+    catch (const xml::sax::SAXParseException& r)
+    {
+        // Sax parser sends wrapped exceptions, try to find the original one
+        xml::sax::SAXException aTmp;
+        xml::sax::SAXException aSaxEx = *static_cast<const xml::sax::SAXException*>(&r);
+        while (aSaxEx.WrappedException >>= aTmp)
+            aSaxEx = aTmp;
+
+        packages::zip::ZipIOException aBrokenPackage;
+        if (aSaxEx.WrappedException >>= aBrokenPackage)
+        {
+            SAL_WARN("starmath", "Failed to read file SAXParseException");
+            return ERRCODE_IO_BROKENPACKAGE;
+        }
+
+        if (bEncrypted)
+        {
+            SAL_WARN("starmath", "Wrong file password SAXParseException");
+            return ERRCODE_SFX_WRONGPASSWORD;
+        }
+    }
+    catch (const xml::sax::SAXException& r)
+    {
+        packages::zip::ZipIOException aBrokenPackage;
+        if (r.WrappedException >>= aBrokenPackage)
+        {
+            SAL_WARN("starmath", "Failed to read file SAXException");
+            return ERRCODE_IO_BROKENPACKAGE;
+        }
+
+        if (bEncrypted)
+        {
+            SAL_WARN("starmath", "Wrong file password SAXException");
+            return ERRCODE_SFX_WRONGPASSWORD;
+        }
+    }
+    catch (const packages::zip::ZipIOException&)
+    {
+        SAL_WARN("starmath", "Failed to unzip file ZipIOException");
+        return ERRCODE_IO_BROKENPACKAGE;
+    }
+    catch (const io::IOException&)
+    {
+        SAL_WARN("starmath", "Failed to read file ZipIOException");
+        return ERRCODE_IO_UNKNOWN;
+    }
+    catch (const std::range_error&)
+    {
+        SAL_WARN("starmath", "Failed to read file");
+        return ERRCODE_ABORT;
+    }
+
+    return ERRCODE_ABORT;
+}
+
+// read a component from storage
+ErrCode SmMLImportWrapper::ReadThroughComponentS(const uno::Reference<embed::XStorage>& xStorage,
+                                                 const Reference<XComponent>& xModelComponent,
+                                                 const char16_t* pStreamName,
+                                                 Reference<uno::XComponentContext> const& rxContext,
+                                                 Reference<beans::XPropertySet> const& rPropSet,
+                                                 const char16_t* pFilterName,
+                                                 int_fast16_t nSyntaxVersion)
+{
+    // Needs a storage but checked by caller
+    // Needs a model but checked by caller
+    // Needs a stream name but checked by caller
+    // Needs a context but checked by caller
+    // Needs a property set but checked by caller
+    // Needs a filter name but checked by caller
+
+    // Get the input stream
+    try
+    {
+        // Create the stream for the event read
+        uno::Reference<io::XStream> xEventsStream
+            = xStorage->openStreamElement(OUString(pStreamName), embed::ElementModes::READ);
+
+        // Determine if stream is encrypted or not
+        uno::Reference<beans::XPropertySet> xProps(xEventsStream, uno::UNO_QUERY);
+        Any aAny = xProps->getPropertyValue("Encrypted");
+        bool bEncrypted = false;
+        aAny >>= bEncrypted;
+
+        // Set base URL and open stream
+        rPropSet->setPropertyValue("StreamName", Any(OUString(pStreamName)));
+        Reference<io::XInputStream> xStream = xEventsStream->getInputStream();
+
+        // Execute read
+        return ReadThroughComponentIS(xStream, xModelComponent, rxContext, rPropSet, pFilterName,
+                                      bEncrypted, nSyntaxVersion);
+    }
+    catch (packages::WrongPasswordException&)
+    {
+        SAL_WARN("starmath", "Wrong file password");
+        return ERRCODE_SFX_WRONGPASSWORD;
+    }
+    catch (packages::zip::ZipIOException&)
+    {
+        SAL_WARN("starmath", "Failed to unzip file");
+        return ERRCODE_IO_BROKENPACKAGE;
+    }
+    catch (uno::Exception&)
+    {
+    }
+
+    return ERRCODE_SFX_DOLOADFAILED;
+}
+
+// read a component from text
+ErrCode SmMLImportWrapper::ReadThroughComponentMS(
+    std::u16string_view aText, const css::uno::Reference<css::lang::XComponent>& xModelComponent,
+    css::uno::Reference<css::uno::XComponentContext> const& rxContext,
+    css::uno::Reference<css::beans::XPropertySet> const& rPropSet)
+{
+    // Needs a storage but checked by caller
+    // Needs a model but checked by caller
+    // Needs a stream name but checked by caller
+    // Needs a context but checked by caller
+    // Needs a property set but checked by caller
+    // Needs a filter name but checked by caller
+
+    // Get the input stream
+    try
+    {
+        // Generate input memory stream
+        SvMemoryStream aMemoryStream;
+        aMemoryStream.WriteOString(OUStringToOString(aText, RTL_TEXTENCODING_UTF8));
+        uno::Reference<io::XInputStream> xStream(new utl::OInputStreamWrapper(aMemoryStream));
+
+        // Execute read
+        return ReadThroughComponentIS(xStream, xModelComponent, rxContext, rPropSet,
+                                      u"com.sun.star.comp.Math.MLImporter", false, 6);
+    }
+    catch (packages::WrongPasswordException&)
+    {
+        SAL_WARN("starmath", "Wrong file password");
+        return ERRCODE_SFX_WRONGPASSWORD;
+    }
+    catch (packages::zip::ZipIOException&)
+    {
+        SAL_WARN("starmath", "Failed to unzip file");
+        return ERRCODE_IO_BROKENPACKAGE;
+    }
+    catch (uno::Exception&)
+    {
+    }
+
+    return ERRCODE_SFX_DOLOADFAILED;
+}
+
+// SmMLImport technical
+/*************************************************************************************************/
+
+extern "C" SAL_DLLPUBLIC_EXPORT uno::XInterface*
+Math_MLImporter_get_implementation(uno::XComponentContext* pCtx,
+                                   uno::Sequence<uno::Any> const& /*rSeq*/)
+{
+    return cppu::acquire(
+        new SmMLImport(pCtx, "com.sun.star.comp.Math.XMLImporter", SvXMLImportFlags::ALL));
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT uno::XInterface*
+Math_MLOasisMetaImporter_get_implementation(uno::XComponentContext* pCtx,
+                                            uno::Sequence<uno::Any> const& /*rSeq*/)
+{
+    return cppu::acquire(new SmMLImport(pCtx, "com.sun.star.comp.Math.XMLOasisMetaImporter",
+                                        SvXMLImportFlags::META));
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT uno::XInterface*
+Math_MLOasisSettingsImporter_get_implementation(uno::XComponentContext* pCtx,
+                                                uno::Sequence<uno::Any> const& /*rSeq*/)
+{
+    return cppu::acquire(new SmMLImport(pCtx, "com.sun.star.comp.Math.XMLOasisSettingsImporter",
+                                        SvXMLImportFlags::SETTINGS));
+}
+
+// SmMLImportContext
+/*************************************************************************************************/
+
+namespace
+{
+class SmMLImportContext : public SvXMLImportContext
+{
+private:
+    SmMlElement** m_pParent;
+    SmMlElement* m_pElement;
+    SmMlElement* m_pStyle;
+
+public:
+    SmMLImportContext(SmMLImport& rImport, SmMlElement** pParent)
+        : SvXMLImportContext(rImport)
+        , m_pParent(pParent)
+        , m_pElement(nullptr)
+        , m_pStyle(nullptr)
+    {
+    }
+
+private:
+    void declareMlError();
+
+public:
+    /** Handles characters (text)
+     */
+    virtual void SAL_CALL characters(const OUString& aChars) override;
+
+    /** Starts the mathml element
+     */
+    virtual void SAL_CALL startFastElement(
+        sal_Int32 nElement, const Reference<XFastAttributeList>& aAttributeList) override;
+
+    /** Ends the mathml element
+     */
+    virtual void SAL_CALL endFastElement(sal_Int32 Element) override;
+
+    /** Creates child element
+     */
+    virtual uno::Reference<XFastContextHandler>
+        SAL_CALL createFastChildContext(sal_Int32 nElement,
+                                        const uno::Reference<XFastAttributeList>& Attribs) override;
+
+    /** Inherits the style from it's parents
+    */
+    void inheritStyle();
+
+    /** Inherits the style from it's parents on end
+    */
+    void inheritStyleEnd();
+
+    /** Handle mathml attributes
+    */
+    void handleAttributes(const Reference<XFastAttributeList>& aAttributeList);
+
+    /** Handle mathml length attributes
+    */
+    SmLengthValue handleLengthAttribute(const OUString& aAttribute);
+};
+
+uno::Reference<XFastContextHandler> SAL_CALL
+SmMLImportContext::createFastChildContext(sal_Int32, const uno::Reference<XFastAttributeList>&)
+{
+    uno::Reference<xml::sax::XFastContextHandler> xContext;
+    xContext = new SmMLImportContext(static_cast<SmMLImport&>(GetImport()), &m_pElement);
+    return xContext;
+}
+
+void SmMLImportContext::declareMlError()
+{
+    SmMLImport& aSmMLImport = static_cast<SmMLImport&>(GetImport());
+    aSmMLImport.declareMlError();
+}
+
+void SmMLImportContext::inheritStyle()
+{
+    while ((m_pStyle = m_pStyle->getParentElement()) != nullptr)
+    {
+        if (m_pStyle->getParentElement()->getMlElementType() == SmMlElementType::MlMstyle
+            || m_pStyle->getParentElement()->getMlElementType() == SmMlElementType::MlMath)
+            break;
+    }
+
+    // Parent inheritation
+    // Mathcolor, mathsize, dir and displaystyle are inherited from parent
+    SmMlElement* pParent = *m_pParent;
+    m_pElement->setAttribute(pParent->getAttribute(SmMlAttributeValueType::MlMathcolor));
+    m_pElement->setAttribute(pParent->getAttribute(SmMlAttributeValueType::MlMathsize));
+    m_pElement->setAttribute(pParent->getAttribute(SmMlAttributeValueType::MlDir));
+    m_pElement->setAttribute(pParent->getAttribute(SmMlAttributeValueType::MlDisplaystyle));
+
+    // Inherit operator dictionary overwrites
+    if (m_pStyle != nullptr
+        && (m_pElement->getMlElementType() == SmMlElementType::MlMo
+            || m_pElement->getMlElementType() == SmMlElementType::MlMstyle
+            || m_pElement->getMlElementType() == SmMlElementType::MlMath))
+    {
+        // TODO fetch operator dictionary first and then overwrite
+        if (m_pStyle->isAttributeSet(SmMlAttributeValueType::MlAccent))
+            m_pElement->setAttribute(m_pStyle->getAttribute(SmMlAttributeValueType::MlAccent));
+        if (m_pStyle->isAttributeSet(SmMlAttributeValueType::MlFence))
+            m_pElement->setAttribute(m_pStyle->getAttribute(SmMlAttributeValueType::MlFence));
+        if (m_pStyle->isAttributeSet(SmMlAttributeValueType::MlLspace))
+            m_pElement->setAttribute(m_pStyle->getAttribute(SmMlAttributeValueType::MlLspace));
+        if (m_pStyle->isAttributeSet(SmMlAttributeValueType::MlMaxsize))
+            m_pElement->setAttribute(m_pStyle->getAttribute(SmMlAttributeValueType::MlMaxsize));
+        if (m_pStyle->isAttributeSet(SmMlAttributeValueType::MlMinsize))
+            m_pElement->setAttribute(m_pStyle->getAttribute(SmMlAttributeValueType::MlMinsize));
+        if (m_pStyle->isAttributeSet(SmMlAttributeValueType::MlMovablelimits))
+            m_pElement->setAttribute(
+                m_pStyle->getAttribute(SmMlAttributeValueType::MlMovablelimits));
+        if (m_pStyle->isAttributeSet(SmMlAttributeValueType::MlRspace))
+            m_pElement->setAttribute(m_pStyle->getAttribute(SmMlAttributeValueType::MlRspace));
+        if (m_pStyle->isAttributeSet(SmMlAttributeValueType::MlSeparator))
+            m_pElement->setAttribute(m_pStyle->getAttribute(SmMlAttributeValueType::MlSeparator));
+        if (m_pStyle->isAttributeSet(SmMlAttributeValueType::MlStretchy))
+            m_pElement->setAttribute(m_pStyle->getAttribute(SmMlAttributeValueType::MlStretchy));
+        if (m_pStyle->isAttributeSet(SmMlAttributeValueType::MlSymmetric))
+            m_pElement->setAttribute(m_pStyle->getAttribute(SmMlAttributeValueType::MlSymmetric));
+
+        if (m_pElement->getMlElementType() == SmMlElementType::MlMo)
+        {
+            // Set form based in position
+            SmMlAttribute aAttribute(SmMlAttributeValueType::MlForm);
+            SmMlForm aForm;
+            if (m_pElement->getSubElementId() == 0)
+                aForm = { SmMlAttributeValueForm::MlPrefix };
+            else
+                aForm = { SmMlAttributeValueForm::MlInfix };
+            aAttribute.setMlForm(&aForm);
+            m_pElement->setAttribute(aAttribute);
+        }
+    }
+
+    // Inherit mathvariant
+    if (m_pStyle && m_pStyle->isAttributeSet(SmMlAttributeValueType::MlMathvariant))
+        m_pElement->setAttribute(m_pStyle->getAttribute(SmMlAttributeValueType::MlMathvariant));
+}
+
+void SmMLImportContext::inheritStyleEnd()
+{
+    // Mo: check it is the end: postfix
+    if (m_pElement->getMlElementType() == SmMlElementType::MlMo)
+    {
+        if ((*m_pParent)->getSubElementsCount() == m_pElement->getSubElementId())
+        {
+            // Set form based in position
+            SmMlAttribute aAttribute(SmMlAttributeValueType::MlForm);
+            SmMlForm aForm = { SmMlAttributeValueForm::MlPosfix };
+            aAttribute.setMlForm(&aForm);
+            m_pElement->setAttribute(aAttribute);
+        }
+    }
+
+    // Mi: 1 char -> italic
+    if (m_pElement->getMlElementType() != SmMlElementType::MlMi)
+        return;
+
+    // Inherit mathvariant
+    if (!m_pStyle->isAttributeSet(SmMlAttributeValueType::MlMathvariant))
+    {
+        sal_Int32 nIndexUtf16 = 0;
+        // Check if there is only one code point
+        m_pElement->getText().iterateCodePoints(&nIndexUtf16, 1);
+        // Mathml says that 1 code point -> italic
+        if (nIndexUtf16 == m_pElement->getText().getLength())
+        {
+            SmMlAttribute aAttribute(SmMlAttributeValueType::MlMathvariant);
+            SmMlMathvariant aMathvariant = { SmMlAttributeValueMathvariant::italic };
+            aAttribute.setMlMathvariant(&aMathvariant);
+            aAttribute.setSet(false);
+            m_pElement->setAttribute(aAttribute);
+        }
+    }
+}
+
+SmLengthValue SmMLImportContext::handleLengthAttribute(const OUString& aAttribute)
+{
+    // Locate unit indication
+    int32_t nUnitPos;
+    for (nUnitPos = 0;
+         nUnitPos < aAttribute.getLength()
+         && (rtl::isAsciiHexDigit(aAttribute[nUnitPos]) || aAttribute[nUnitPos] == '.');
+         ++nUnitPos)
+        ;
+
+    // Find unit
+    SmLengthUnit nUnit = SmLengthUnit::MlM;
+    if (nUnitPos != aAttribute.getLength())
+    {
+        OUString aUnit = aAttribute.copy(nUnitPos);
+        if (aUnit.compareToIgnoreAsciiCaseAscii("ex"))
+            nUnit = SmLengthUnit::MlEx;
+        if (aUnit.compareToIgnoreAsciiCaseAscii("px"))
+            nUnit = SmLengthUnit::MlPx;
+        if (aUnit.compareToIgnoreAsciiCaseAscii("in"))
+            nUnit = SmLengthUnit::MlIn;
+        if (aUnit.compareToIgnoreAsciiCaseAscii("cm"))
+            nUnit = SmLengthUnit::MlCm;
+        if (aUnit.compareToIgnoreAsciiCaseAscii("mm"))
+            nUnit = SmLengthUnit::MlMm;
+        if (aUnit.compareToIgnoreAsciiCaseAscii("pt"))
+            nUnit = SmLengthUnit::MlPt;
+        if (aUnit.compareToIgnoreAsciiCaseAscii("pc"))
+            nUnit = SmLengthUnit::MlPc;
+        if (aUnit.compareToIgnoreAsciiCaseAscii("%"))
+            nUnit = SmLengthUnit::MlP;
+        else
+            declareMlError();
+    }
+
+    // Get value
+    std::u16string_view aValue = aAttribute.subView(0, nUnitPos);
+    double nValue = o3tl::toDouble(aValue);
+    if (nValue == 0)
+    {
+        nUnit = SmLengthUnit::MlM;
+        nValue = 1.0;
+        declareMlError();
+    }
+
+    // Return
+    SmLengthValue aLengthValue = { nUnit, nValue, new OUString(aAttribute) };
+    return aLengthValue;
+}
+
+void SmMLImportContext::handleAttributes(const Reference<XFastAttributeList>& aAttributeList)
+{
+    for (auto& aIter : sax_fastparser::castToFastAttributeList(aAttributeList))
+    {
+        SmMlAttribute aAttribute(SmMlAttributeValueType::NMlEmpty);
+        switch (aIter.getToken() & TOKEN_MASK)
+        {
+            case XML_ACCENT:
+            {
+                if (IsXMLToken(aIter, XML_TRUE))
+                {
+                    aAttribute.setMlAttributeValueType(SmMlAttributeValueType::MlAccent);
+                    SmMlAccent aAccent = { SmMlAttributeValueAccent::MlTrue };
+                    aAttribute.setMlAccent(&aAccent);
+                }
+                else if (IsXMLToken(aIter, XML_FALSE))
+                {
+                    aAttribute.setMlAttributeValueType(SmMlAttributeValueType::MlAccent);
+                    SmMlAccent aAccent = { SmMlAttributeValueAccent::MlFalse };
+                    aAttribute.setMlAccent(&aAccent);
+                }
+                else
+                {
+                    declareMlError();
+                }
+                break;
+            }
+            case XML_DIR:
+            {
+                if (IsXMLToken(aIter, XML_RTL))
+                {
+                    aAttribute.setMlAttributeValueType(SmMlAttributeValueType::MlDir);
+                    SmMlDir aDir = { SmMlAttributeValueDir::MlRtl };
+                    aAttribute.setMlDir(&aDir);
+                }
+                else if (IsXMLToken(aIter, XML_LTR))
+                {
+                    aAttribute.setMlAttributeValueType(SmMlAttributeValueType::MlDir);
+                    SmMlDir aDir = { SmMlAttributeValueDir::MlLtr };
+                    aAttribute.setMlDir(&aDir);
+                }
+                else
+                {
+                    declareMlError();
+                }
+                break;
+            }
+            case XML_DISPLAYSTYLE:
+                if (IsXMLToken(aIter, XML_TRUE))
+                {
+                    aAttribute.setMlAttributeValueType(SmMlAttributeValueType::MlDisplaystyle);
+                    SmMlDisplaystyle aDisplaystyle = { SmMlAttributeValueDisplaystyle::MlTrue };
+                    aAttribute.setMlDisplaystyle(&aDisplaystyle);
+                }
+                else if (IsXMLToken(aIter, XML_FALSE))
+                {
+                    aAttribute.setMlAttributeValueType(SmMlAttributeValueType::MlDisplaystyle);
+                    SmMlDisplaystyle aDisplaystyle = { SmMlAttributeValueDisplaystyle::MlFalse };
+                    aAttribute.setMlDisplaystyle(&aDisplaystyle);
+                }
+                else
+                {
+                    declareMlError();
+                }
+                break;
+            case XML_FENCE:
+                if (IsXMLToken(aIter, XML_TRUE))
+                {
+                    aAttribute.setMlAttributeValueType(SmMlAttributeValueType::MlFence);
+                    SmMlFence aFence = { SmMlAttributeValueFence::MlTrue };
+                    aAttribute.setMlFence(&aFence);
+                }
+                else if (IsXMLToken(aIter, XML_FALSE))
+                {
+                    aAttribute.setMlAttributeValueType(SmMlAttributeValueType::MlFence);
+                    SmMlFence aFence = { SmMlAttributeValueFence::MlFalse };
+                    aAttribute.setMlFence(&aFence);
+                }
+                else
+                {
+                    declareMlError();
+                }
+                break;
+            case XML_HREF:
+            {
+                aAttribute.setMlAttributeValueType(SmMlAttributeValueType::MlHref);
+                OUString* aRef = new OUString(aIter.toString());
+                SmMlHref aHref = { SmMlAttributeValueHref::NMlValid, aRef };
+                aAttribute.setMlHref(&aHref);
+                break;
+            }
+            case XML_LSPACE:
+            {
+                SmMlLspace aLspace;
+                aLspace.m_aLengthValue = handleLengthAttribute(aIter.toString());
+                aAttribute.setMlLspace(&aLspace);
+                break;
+            }
+            case XML_MATHBACKGROUND:
+            {
+                if (IsXMLToken(aIter, XML_TRANSPARENT))
+                {
+                    SmMlMathbackground aMathbackground
+                        = { SmMlAttributeValueMathbackground::MlTransparent, COL_TRANSPARENT };
+                    aAttribute.setMlMathbackground(&aMathbackground);
+                }
+                else
+                {
+                    Color aColor
+                        = starmathdatabase::Identify_ColorName_HTML(aIter.toString()).cColor;
+                    SmMlMathbackground aMathbackground
+                        = { SmMlAttributeValueMathbackground::MlRgb, aColor };
+                    aAttribute.setMlMathbackground(&aMathbackground);
+                }
+                break;
+            }
+            case XML_MATHCOLOR:
+            {
+                if (IsXMLToken(aIter, XML_DEFAULT))
+                {
+                    SmMlMathcolor aMathcolor
+                        = { SmMlAttributeValueMathcolor::MlDefault, COL_BLACK };
+                    aAttribute.setMlMathcolor(&aMathcolor);
+                }
+                else
+                {
+                    Color aColor
+                        = starmathdatabase::Identify_ColorName_HTML(aIter.toString()).cColor;
+                    SmMlMathcolor aMathcolor = { SmMlAttributeValueMathcolor::MlRgb, aColor };
+                    aAttribute.setMlMathcolor(&aMathcolor);
+                }
+                break;
+            }
+            case XML_MATHSIZE:
+            {
+                SmMlMathsize aMathsize;
+                aMathsize.m_aLengthValue = handleLengthAttribute(aIter.toString());
+                aAttribute.setMlMathsize(&aMathsize);
+                break;
+            }
+            case XML_MATHVARIANT:
+            {
+                OUString aVariant = aIter.toString();
+                SmMlAttributeValueMathvariant nVariant = SmMlAttributeValueMathvariant::normal;
+                if (aVariant.compareTo(u"normal"))
+                    nVariant = SmMlAttributeValueMathvariant::normal;
+                else if (aVariant.compareTo(u"bold"))
+                    nVariant = SmMlAttributeValueMathvariant::bold;
+                else if (aVariant.compareTo(u"italic"))
+                    nVariant = SmMlAttributeValueMathvariant::italic;
+                else if (aVariant.compareTo(u"double-struck"))
+                    nVariant = SmMlAttributeValueMathvariant::double_struck;
+                else if (aVariant.compareTo(u"script"))
+                    nVariant = SmMlAttributeValueMathvariant::script;
+                else if (aVariant.compareTo(u"fraktur"))
+                    nVariant = SmMlAttributeValueMathvariant::fraktur;
+                else if (aVariant.compareTo(u"sans-serif"))
+                    nVariant = SmMlAttributeValueMathvariant::sans_serif;
+                else if (aVariant.compareTo(u"monospace"))
+                    nVariant = SmMlAttributeValueMathvariant::monospace;
+                else if (aVariant.compareTo(u"bold-italic"))
+                    nVariant = SmMlAttributeValueMathvariant::bold_italic;
+                else if (aVariant.compareTo(u"bold-fracktur"))
+                    nVariant = SmMlAttributeValueMathvariant::bold_fraktur;
+                else if (aVariant.compareTo(u"bold-script"))
+                    nVariant = SmMlAttributeValueMathvariant::bold_script;
+                else if (aVariant.compareTo(u"bold-sans-serif"))
+                    nVariant = SmMlAttributeValueMathvariant::bold_sans_serif;
+                else if (aVariant.compareTo(u"sans-serif-italic"))
+                    nVariant = SmMlAttributeValueMathvariant::sans_serif_italic;
+                else if (aVariant.compareTo(u"sans-serif-bold-italic"))
+                    nVariant = SmMlAttributeValueMathvariant::sans_serif_bold_italic;
+                else if (aVariant.compareTo(u"initial"))
+                    nVariant = SmMlAttributeValueMathvariant::initial;
+                else if (aVariant.compareTo(u"tailed"))
+                    nVariant = SmMlAttributeValueMathvariant::tailed;
+                else if (aVariant.compareTo(u"looped"))
+                    nVariant = SmMlAttributeValueMathvariant::looped;
+                else if (aVariant.compareTo(u"stretched"))
+                    nVariant = SmMlAttributeValueMathvariant::stretched;
+                else
+                    declareMlError();
+                SmMlMathvariant aMathvariant = { nVariant };
+                aAttribute.setMlMathvariant(&aMathvariant);
+                break;
+            }
+            case XML_MAXSIZE:
+            {
+                SmMlMaxsize aMaxsize;
+                if (IsXMLToken(aIter, XML_INFINITY))
+                {
+                    aMaxsize.m_aMaxsize = SmMlAttributeValueMaxsize::MlInfinity;
+                    aMaxsize.m_aLengthValue
+                        = { SmLengthUnit::MlP, 10000, new OUString(u"10000%"_ustr) };
+                }
+                else
+                {
+                    aMaxsize.m_aMaxsize = SmMlAttributeValueMaxsize::MlFinite;
+                    aMaxsize.m_aLengthValue = handleLengthAttribute(aIter.toString());
+                }
+                aAttribute.setMlMaxsize(&aMaxsize);
+                break;
+            }
+            case XML_MINSIZE:
+            {
+                SmMlMinsize aMinsize;
+                aMinsize.m_aLengthValue = handleLengthAttribute(aIter.toString());
+                aAttribute.setMlMinsize(&aMinsize);
+                break;
+            }
+            case XML_MOVABLELIMITS:
+                if (IsXMLToken(aIter, XML_TRUE))
+                {
+                    aAttribute.setMlAttributeValueType(SmMlAttributeValueType::MlMovablelimits);
+                    SmMlMovablelimits aMovablelimits = { SmMlAttributeValueMovablelimits::MlTrue };
+                    aAttribute.setMlMovablelimits(&aMovablelimits);
+                }
+                else if (IsXMLToken(aIter, XML_FALSE))
+                {
+                    aAttribute.setMlAttributeValueType(SmMlAttributeValueType::MlMovablelimits);
+                    SmMlMovablelimits aMovablelimits = { SmMlAttributeValueMovablelimits::MlFalse };
+                    aAttribute.setMlMovablelimits(&aMovablelimits);
+                }
+                else
+                {
+                    declareMlError();
+                }
+                break;
+            case XML_RSPACE:
+            {
+                SmMlRspace aRspace;
+                aRspace.m_aLengthValue = handleLengthAttribute(aIter.toString());
+                aAttribute.setMlRspace(&aRspace);
+                break;
+            }
+            case XML_SEPARATOR:
+                if (IsXMLToken(aIter, XML_TRUE))
+                {
+                    aAttribute.setMlAttributeValueType(SmMlAttributeValueType::MlSeparator);
+                    SmMlSeparator aSeparator = { SmMlAttributeValueSeparator::MlTrue };
+                    aAttribute.setMlSeparator(&aSeparator);
+                }
+                else if (IsXMLToken(aIter, XML_FALSE))
+                {
+                    aAttribute.setMlAttributeValueType(SmMlAttributeValueType::MlSeparator);
+                    SmMlSeparator aSeparator = { SmMlAttributeValueSeparator::MlFalse };
+                    aAttribute.setMlSeparator(&aSeparator);
+                }
+                else
+                {
+                    declareMlError();
+                }
+                break;
+            case XML_STRETCHY:
+                if (IsXMLToken(aIter, XML_TRUE))
+                {
+                    aAttribute.setMlAttributeValueType(SmMlAttributeValueType::MlStretchy);
+                    SmMlStretchy aStretchy = { SmMlAttributeValueStretchy::MlTrue };
+                    aAttribute.setMlStretchy(&aStretchy);
+                }
+                else if (IsXMLToken(aIter, XML_FALSE))
+                {
+                    aAttribute.setMlAttributeValueType(SmMlAttributeValueType::MlStretchy);
+                    SmMlStretchy aStretchy = { SmMlAttributeValueStretchy::MlFalse };
+                    aAttribute.setMlStretchy(&aStretchy);
+                }
+                else
+                {
+                    declareMlError();
+                }
+                break;
+            case XML_SYMMETRIC:
+                if (IsXMLToken(aIter, XML_TRUE))
+                {
+                    aAttribute.setMlAttributeValueType(SmMlAttributeValueType::MlSymmetric);
+                    SmMlSymmetric aSymmetric = { SmMlAttributeValueSymmetric::MlTrue };
+                    aAttribute.setMlSymmetric(&aSymmetric);
+                }
+                else if (IsXMLToken(aIter, XML_FALSE))
+                {
+                    aAttribute.setMlAttributeValueType(SmMlAttributeValueType::MlSymmetric);
+                    SmMlSymmetric aSymmetric = { SmMlAttributeValueSymmetric::MlFalse };
+                    aAttribute.setMlSymmetric(&aSymmetric);
+                }
+                else
+                {
+                    declareMlError();
+                }
+                break;
+            default:
+                declareMlError();
+                break;
+        }
+        if (aAttribute.isNullAttribute())
+            declareMlError();
+        else
+            m_pElement->setAttribute(aAttribute);
+    }
+}
+
+void SmMLImportContext::characters(const OUString& aChars) { m_pElement->setText(aChars); }
+
+void SmMLImportContext::startFastElement(sal_Int32 nElement,
+                                         const Reference<XFastAttributeList>& aAttributeList)
+{
+    switch (nElement)
+    {
+        case XML_ELEMENT(MATH, XML_MATH):
+            m_pElement = new SmMlElement(SmMlElementType::MlMath);
+            break;
+        case XML_ELEMENT(MATH, XML_MI):
+            m_pElement = new SmMlElement(SmMlElementType::MlMi);
+            break;
+        case XML_ELEMENT(MATH, XML_MERROR):
+            m_pElement = new SmMlElement(SmMlElementType::MlMerror);
+            break;
+        case XML_ELEMENT(MATH, XML_MN):
+            m_pElement = new SmMlElement(SmMlElementType::MlMn);
+            break;
+        case XML_ELEMENT(MATH, XML_MO):
+            m_pElement = new SmMlElement(SmMlElementType::MlMo);
+            break;
+        case XML_ELEMENT(MATH, XML_MROW):
+            m_pElement = new SmMlElement(SmMlElementType::MlMrow);
+            break;
+        case XML_ELEMENT(MATH, XML_MTEXT):
+            m_pElement = new SmMlElement(SmMlElementType::MlMtext);
+            break;
+        case XML_ELEMENT(MATH, XML_MSTYLE):
+            m_pElement = new SmMlElement(SmMlElementType::MlMstyle);
+            break;
+        default:
+            m_pElement = new SmMlElement(SmMlElementType::NMlEmpty);
+            declareMlError();
+            break;
+    }
+    SmMlElement* pParent = *m_pParent;
+    pParent->setSubElement(pParent->getSubElementsCount(), m_pElement);
+    inheritStyle();
+    handleAttributes(aAttributeList);
+}
+
+void SmMLImportContext::endFastElement(sal_Int32) { inheritStyleEnd(); }
+}
+
+// SmMLImport
+/*************************************************************************************************/
+
+SvXMLImportContext*
+SmMLImport::CreateFastContext(sal_Int32 nElement,
+                              const uno::Reference<xml::sax::XFastAttributeList>& /*xAttrList*/)
+{
+    SvXMLImportContext* pContext = nullptr;
+
+    switch (nElement)
+    {
+        case XML_ELEMENT(OFFICE, XML_DOCUMENT):
+        {
+            if (m_pElementTree == nullptr)
+                m_pElementTree = new SmMlElement(SmMlElementType::NMlEmpty);
+            uno::Reference<document::XDocumentPropertiesSupplier> xDPS(GetModel(),
+                                                                       uno::UNO_QUERY_THROW);
+            pContext = new SmMLImportContext(*this, &m_pElementTree);
+            break;
+        }
+        case XML_ELEMENT(OFFICE, XML_DOCUMENT_META):
+        {
+            uno::Reference<document::XDocumentPropertiesSupplier> xDPS(GetModel(),
+                                                                       uno::UNO_QUERY_THROW);
+            pContext = new SvXMLMetaDocumentContext(*this, xDPS->getDocumentProperties());
+            break;
+        }
+        case XML_ELEMENT(OFFICE, XML_DOCUMENT_SETTINGS):
+        {
+            uno::Reference<document::XDocumentPropertiesSupplier> xDPS(GetModel(),
+                                                                       uno::UNO_QUERY_THROW);
+            pContext = new XMLDocumentSettingsContext(*this);
+            break;
+        }
+        default:
+            declareMlError();
+            break;
+    }
+    return pContext;
+}
+
+void SmMLImport::endDocument()
+{
+    uno::Reference<frame::XModel> xModel = GetModel();
+    if (!xModel.is())
+    {
+        SAL_WARN("starmath", "Failed to set view settings because missing model");
+        SvXMLImport::endDocument();
+        return;
+    }
+
+    SmModel* pModel = comphelper::getFromUnoTunnel<SmModel>(xModel);
+    if (!pModel)
+    {
+        SAL_WARN("starmath", "Failed to set view settings because missing sm model");
+        SvXMLImport::endDocument();
+        return;
+    }
+
+    SmDocShell* pDocShell = static_cast<SmDocShell*>(pModel->GetObjectShell());
+    if (!pDocShell)
+    {
+        SAL_WARN("starmath", "Failed to set view settings because missing sm doc shell");
+        SvXMLImport::endDocument();
+        return;
+    }
+
+    // Check if there is element tree
+    if (m_pElementTree == nullptr)
+    {
+        m_bSuccess = true;
+        SvXMLImport::endDocument();
+        return;
+    }
+
+    // Get element tree and setup
+
+    if (m_pElementTree->getSubElementsCount() == 0)
+    {
+        delete m_pElementTree;
+        m_pElementTree = nullptr;
+    }
+    else
+    {
+        SmMlElement* pTmpElememt = m_pElementTree->getSubElement(0);
+        delete m_pElementTree;
+        m_pElementTree = pTmpElememt;
+    }
+    pDocShell->SetMlElementTree(m_pElementTree);
+
+    m_bSuccess = true;
+    SvXMLImport::endDocument();
+}
+
+void SmMLImport::SetViewSettings(const Sequence<PropertyValue>& aViewProps)
+{
+    uno::Reference<frame::XModel> xModel = GetModel();
+    if (!xModel.is())
+    {
+        SAL_WARN("starmath", "Failed to set view settings because missing model");
+        return;
+    }
+
+    SmModel* pModel = comphelper::getFromUnoTunnel<SmModel>(xModel);
+    if (!pModel)
+    {
+        SAL_WARN("starmath", "Failed to set view settings because missing sm model");
+        return;
+    }
+
+    SmDocShell* pDocShell = static_cast<SmDocShell*>(pModel->GetObjectShell());
+    if (!pDocShell)
+    {
+        SAL_WARN("starmath", "Failed to set view settings because missing sm doc shell");
+        return;
+    }
+
+    tools::Rectangle aRect(pDocShell->GetVisArea());
+
+    tools::Long nTmp = 0;
+
+    for (const PropertyValue& rValue : aViewProps)
+    {
+        if (rValue.Name == "ViewAreaTop")
+        {
+            rValue.Value >>= nTmp;
+            aRect.SaturatingSetPosY(nTmp);
+        }
+        else if (rValue.Name == "ViewAreaLeft")
+        {
+            rValue.Value >>= nTmp;
+            aRect.SaturatingSetPosX(nTmp);
+        }
+        else if (rValue.Name == "ViewAreaWidth")
+        {
+            rValue.Value >>= nTmp;
+            Size aSize(aRect.GetSize());
+            aSize.setWidth(nTmp);
+            aRect.SaturatingSetSize(aSize);
+        }
+        else if (rValue.Name == "ViewAreaHeight")
+        {
+            rValue.Value >>= nTmp;
+            Size aSize(aRect.GetSize());
+            aSize.setHeight(nTmp);
+            aRect.SaturatingSetSize(aSize);
+        }
+    }
+
+    pDocShell->SetVisArea(aRect);
+}
+
+void SmMLImport::SetConfigurationSettings(const Sequence<PropertyValue>& aConfProps)
+{
+    uno::Reference<frame::XModel> xModel = GetModel();
+    if (!xModel.is())
+    {
+        SAL_WARN("starmath", "Failed to set view settings because missing model");
+        return;
+    }
+
+    uno::Reference<XPropertySet> xProps(xModel, UNO_QUERY);
+    if (!xProps.is())
+    {
+        SAL_WARN("starmath", "Failed to set view settings because missing model properties");
+        return;
+    }
+
+    Reference<XPropertySetInfo> xInfo(xProps->getPropertySetInfo());
+    if (!xInfo.is())
+    {
+        SAL_WARN("starmath",
+                 "Failed to set view settings because missing model properties information");
+        return;
+    }
+
+    static constexpr OUStringLiteral sFormula(u"Formula");
+    static constexpr OUStringLiteral sBasicLibraries(u"BasicLibraries");
+    static constexpr OUStringLiteral sDialogLibraries(u"DialogLibraries");
+    for (const PropertyValue& rValue : aConfProps)
+    {
+        if (rValue.Name != sFormula && rValue.Name != sBasicLibraries
+            && rValue.Name != sDialogLibraries)
+        {
+            try
+            {
+                if (xInfo->hasPropertyByName(rValue.Name))
+                    xProps->setPropertyValue(rValue.Name, rValue.Value);
+            }
+            catch (const beans::PropertyVetoException&)
+            {
+                // dealing with read-only properties here. Nothing to do...
+            }
+            catch (const Exception&)
+            {
+                SAL_WARN("starmath", "Unexpected issue while loading document properties");
+            }
+        }
+    }
+}
+
+SmMLImport::SmMLImport(const css::uno::Reference<css::uno::XComponentContext>& rContext,
+                       OUString const& implementationName, SvXMLImportFlags nImportFlags)
+    : SvXMLImport(rContext, implementationName, nImportFlags)
+    , m_pElementTree(nullptr)
+    , m_bSuccess(false)
+    , m_nSmSyntaxVersion(SM_MOD()->GetConfig()->GetDefaultSmSyntaxVersion())
+{
+}
+
+/** Handles an error on the mathml structure
+ */
+void SmMLImport::declareMlError()
+{
+    m_bSuccess = false;
+    SAL_WARN("starmath", "MathML error");
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/starmath/source/mathml/iterator.cxx b/starmath/source/mathml/iterator.cxx
new file mode 100644
index 0000000000..24de35c183
--- /dev/null
+++ b/starmath/source/mathml/iterator.cxx
@@ -0,0 +1,77 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <mathml/iterator.hxx>
+
+/** The purpose of this iterator is to be able to iterate threw an infinite element tree
+  * infinite -> as much as your memory can hold
+  * No call-backs that will end up in out of stack
+  */
+
+namespace mathml
+{
+static inline void deleteElement(SmMlElement* aSmMlElement, void*) { delete aSmMlElement; }
+
+static inline void cloneElement(SmMlElement* aSmMlElement, void* aData)
+{
+    // Prepare data
+    SmMlElement* aNewSmMlElement = new SmMlElement(*aSmMlElement);
+    SmMlElement* aCopyTree = *static_cast<SmMlElement**>(aData);
+
+    // Append data
+    aCopyTree->setSubElement(aCopyTree->getSubElementsCount(), aNewSmMlElement);
+
+    // Prepare for following
+    // If it has sub elements, then it will be the next
+    if (aSmMlElement->getSubElementsCount() != 0)
+        aCopyTree = aNewSmMlElement;
+    else // Otherwise remounts up to where it should be
+    {
+        while (aSmMlElement->getParentElement() != nullptr)
+        {
+            // get parent
+            SmMlElement* pParent = aSmMlElement->getParentElement();
+            aCopyTree = aCopyTree->getParentElement();
+            // was this the last branch ?
+            if (aSmMlElement->getSubElementId() + 1 != pParent->getSubElementsCount())
+                break; // no -> stop going up
+            // Prepare for next round
+            aSmMlElement = pParent;
+        }
+    }
+
+    // Closing extras
+    *static_cast<SmMlElement**>(aData) = aCopyTree;
+}
+
+void SmMlIteratorFree(SmMlElement* pMlElementTree)
+{
+    if (pMlElementTree == nullptr)
+        return;
+    for (size_t i = 0; i < pMlElementTree->getSubElementsCount(); ++i)
+    {
+        SmMlIteratorFree(pMlElementTree->getSubElement(i));
+    }
+    deleteElement(pMlElementTree, nullptr);
+}
+
+SmMlElement* SmMlIteratorCopy(SmMlElement* pMlElementTree)
+{
+    if (pMlElementTree == nullptr)
+        return nullptr;
+    SmMlElement* aDummyElement = new SmMlElement();
+    SmMlIteratorTopToBottom(pMlElementTree, cloneElement, &aDummyElement);
+    SmMlElement* aResultElement = aDummyElement->getSubElement(0);
+    delete aDummyElement;
+    return aResultElement;
+}
+
+} // end namespace mathml
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/starmath/source/mathml/mathmlMo.cxx b/starmath/source/mathml/mathmlMo.cxx
new file mode 100644
index 0000000000..8ee7536e1c
--- /dev/null
+++ b/starmath/source/mathml/mathmlMo.cxx
@@ -0,0 +1,1128 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <mathmlMo.hxx>
+
+static moOperatorData moOperatorDataDictionaryData[starmathdatabase::MATHML_MO_COUNT]
+    = { { u"\u2018"_ustr, moOpDF::prefix, 10, 0, 0, moOpDP::fence | moOpDP::nonedp },
+        { u"\u2019"_ustr, moOpDF::postfix, 10, 0, 0, moOpDP::fence | moOpDP::nonedp },
+        { u"\u201C"_ustr, moOpDF::prefix, 10, 0, 0, moOpDP::fence | moOpDP::nonedp },
+        { u"\u201D"_ustr, moOpDF::postfix, 10, 0, 0, moOpDP::fence | moOpDP::nonedp },
+        { u"("_ustr, moOpDF::prefix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u")"_ustr, moOpDF::postfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"["_ustr, moOpDF::prefix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"]"_ustr, moOpDF::postfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"{"_ustr, moOpDF::prefix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"|"_ustr, moOpDF::prepostfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"||"_ustr, moOpDF::prepostfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"|||"_ustr, moOpDF::prepostfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"}"_ustr, moOpDF::postfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u2016"_ustr, moOpDF::prepostfix, 20, 0, 0, moOpDP::stretchyfence },
+        { u"\u2308"_ustr, moOpDF::prefix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u2309"_ustr, moOpDF::postfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u230A"_ustr, moOpDF::prefix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u230B"_ustr, moOpDF::postfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u2329"_ustr, moOpDF::prefix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u232A"_ustr, moOpDF::postfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u2772"_ustr, moOpDF::prefix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u2773"_ustr, moOpDF::postfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u27E6"_ustr, moOpDF::prefix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u27E7"_ustr, moOpDF::postfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u27E8"_ustr, moOpDF::prefix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u27E9"_ustr, moOpDF::postfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u27EA"_ustr, moOpDF::prefix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u27EB"_ustr, moOpDF::postfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u27EC"_ustr, moOpDF::prefix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u27ED"_ustr, moOpDF::postfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u27EE"_ustr, moOpDF::prefix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u27EF"_ustr, moOpDF::postfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u2980"_ustr, moOpDF::prepostfix, 20, 0, 0, moOpDP::stretchyfence },
+        { u"\u2983"_ustr, moOpDF::prefix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u2984"_ustr, moOpDF::postfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u2985"_ustr, moOpDF::prefix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u2986"_ustr, moOpDF::postfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u2987"_ustr, moOpDF::prefix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u2988"_ustr, moOpDF::postfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u2989"_ustr, moOpDF::prefix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u298A"_ustr, moOpDF::postfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u298B"_ustr, moOpDF::prefix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u298C"_ustr, moOpDF::postfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u298D"_ustr, moOpDF::prefix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u298E"_ustr, moOpDF::postfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u298F"_ustr, moOpDF::prefix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u2990"_ustr, moOpDF::postfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u2991"_ustr, moOpDF::prefix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u2992"_ustr, moOpDF::postfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u2993"_ustr, moOpDF::prefix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u2994"_ustr, moOpDF::postfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u2995"_ustr, moOpDF::prefix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u2996"_ustr, moOpDF::postfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u2997"_ustr, moOpDF::prefix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u2998"_ustr, moOpDF::postfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u29FC"_ustr, moOpDF::prefix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u"\u29FD"_ustr, moOpDF::postfix, 20, 0, 0, moOpDP::stretchyfence | moOpDP::symmetric },
+        { u";"_ustr, moOpDF::infix, 30, 0, 3, moOpDP::separator | moOpDP::linebreakstyleAfter },
+        { u","_ustr, moOpDF::infix, 40, 0, 3, moOpDP::separator | moOpDP::linebreakstyleAfter },
+        { u"\u2063"_ustr, moOpDF::infix, 40, 0, 0,
+          moOpDP::separator | moOpDP::linebreakstyleAfter },
+        { u"\u2234"_ustr, moOpDF::infix, 70, 5, 5, moOpDP::nonedp },
+        { u"\u2235"_ustr, moOpDF::infix, 70, 5, 5, moOpDP::nonedp },
+        { u"->"_ustr, moOpDF::infix, 90, 5, 5, moOpDP::nonedp },
+        { u".."_ustr, moOpDF::postfix, 100, 0, 0, moOpDP::nonedp },
+        { u"..."_ustr, moOpDF::postfix, 100, 0, 0, moOpDP::nonedp },
+        { u":"_ustr, moOpDF::infix, 100, 1, 2, moOpDP::nonedp },
+        { u"\u03F6"_ustr, moOpDF::infix, 110, 5, 5, moOpDP::nonedp },
+        { u"\u2026"_ustr, moOpDF::infix, 150, 0, 0, moOpDP::nonedp },
+        { u"\u22EE"_ustr, moOpDF::infix, 150, 5, 5, moOpDP::nonedp },
+        { u"\u22EF"_ustr, moOpDF::infix, 150, 0, 0, moOpDP::nonedp },
+        { u"\u22F1"_ustr, moOpDF::infix, 150, 5, 5, moOpDP::nonedp },
+        { u"\u220B"_ustr, moOpDF::infix, 160, 5, 5, moOpDP::nonedp },
+        { u"\u22A2"_ustr, moOpDF::infix, 170, 5, 5, moOpDP::nonedp },
+        { u"\u22A3"_ustr, moOpDF::infix, 170, 5, 5, moOpDP::nonedp },
+        { u"\u22A4"_ustr, moOpDF::infix, 170, 5, 5, moOpDP::nonedp },
+        { u"\u22A8"_ustr, moOpDF::infix, 170, 5, 5, moOpDP::nonedp },
+        { u"\u22A9"_ustr, moOpDF::infix, 170, 5, 5, moOpDP::nonedp },
+        { u"\u22AC"_ustr, moOpDF::infix, 170, 5, 5, moOpDP::nonedp },
+        { u"\u22AD"_ustr, moOpDF::infix, 170, 5, 5, moOpDP::nonedp },
+        { u"\u22AE"_ustr, moOpDF::infix, 170, 5, 5, moOpDP::nonedp },
+        { u"\u22AF"_ustr, moOpDF::infix, 170, 5, 5, moOpDP::nonedp },
+        { u"\u2228"_ustr, moOpDF::infix, 190, 4, 4, moOpDP::nonedp },
+        { u"&&"_ustr, moOpDF::infix, 200, 4, 4, moOpDP::nonedp },
+        { u"\u2227"_ustr, moOpDF::infix, 200, 4, 4, moOpDP::nonedp },
+        { u"\u2200"_ustr, moOpDF::prefix, 230, 2, 1, moOpDP::nonedp },
+        { u"\u2203"_ustr, moOpDF::prefix, 230, 2, 1, moOpDP::nonedp },
+        { u"\u2204"_ustr, moOpDF::prefix, 230, 2, 1, moOpDP::nonedp },
+        { u"\u2201"_ustr, moOpDF::infix, 240, 1, 2, moOpDP::nonedp },
+        { u"\u2208"_ustr, moOpDF::infix, 240, 5, 5, moOpDP::nonedp },
+        { u"\u2209"_ustr, moOpDF::infix, 240, 5, 5, moOpDP::nonedp },
+        { u"\u220C"_ustr, moOpDF::infix, 240, 5, 5, moOpDP::nonedp },
+        { u"\u2282"_ustr, moOpDF::infix, 240, 5, 5, moOpDP::nonedp },
+        { u"\u2282\u20D2"_ustr, moOpDF::infix, 240, 5, 5, moOpDP::nonedp },
+        { u"\u2283"_ustr, moOpDF::infix, 240, 5, 5, moOpDP::nonedp },
+        { u"\u2283\u20D2"_ustr, moOpDF::infix, 240, 5, 5, moOpDP::nonedp },
+        { u"\u2284"_ustr, moOpDF::infix, 240, 5, 5, moOpDP::nonedp },
+        { u"\u2285"_ustr, moOpDF::infix, 240, 5, 5, moOpDP::nonedp },
+        { u"\u2286"_ustr, moOpDF::infix, 240, 5, 5, moOpDP::nonedp },
+        { u"\u2287"_ustr, moOpDF::infix, 240, 5, 5, moOpDP::nonedp },
+        { u"\u2288"_ustr, moOpDF::infix, 240, 5, 5, moOpDP::nonedp },
+        { u"\u2289"_ustr, moOpDF::infix, 240, 5, 5, moOpDP::nonedp },
+        { u"\u228A"_ustr, moOpDF::infix, 240, 5, 5, moOpDP::nonedp },
+        { u"\u228B"_ustr, moOpDF::infix, 240, 5, 5, moOpDP::nonedp },
+        { u"<="_ustr, moOpDF::infix, 241, 5, 5, moOpDP::nonedp },
+        { u"\u2264"_ustr, moOpDF::infix, 241, 5, 5, moOpDP::nonedp },
+        { u"\u2265"_ustr, moOpDF::infix, 242, 5, 5, moOpDP::nonedp },
+        { u">"_ustr, moOpDF::infix, 243, 5, 5, moOpDP::nonedp },
+        { u">="_ustr, moOpDF::infix, 243, 5, 5, moOpDP::nonedp },
+        { u"\u226F"_ustr, moOpDF::infix, 244, 5, 5, moOpDP::nonedp },
+        { u"&lt"_ustr, moOpDF::infix, 245, 5, 5, moOpDP::nonedp },
+        { u"\u226E"_ustr, moOpDF::infix, 246, 5, 5, moOpDP::nonedp },
+        { u"\u2248"_ustr, moOpDF::infix, 247, 5, 5, moOpDP::nonedp },
+        { u"\u223C"_ustr, moOpDF::infix, 250, 5, 5, moOpDP::nonedp },
+        { u"\u2249"_ustr, moOpDF::infix, 250, 5, 5, moOpDP::nonedp },
+        { u"\u2262"_ustr, moOpDF::infix, 252, 5, 5, moOpDP::nonedp },
+        { u"\u2260"_ustr, moOpDF::infix, 255, 5, 5, moOpDP::nonedp },
+        { u"!="_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"*="_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"+="_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"-="_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"/="_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u":="_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"="_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"=="_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u221D"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u2224"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u2225"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u2226"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u2241"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u2243"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u2244"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u2245"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u2246"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u2247"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u224D"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u2254"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u2257"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u2259"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u225A"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u225B"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u225C"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u225F"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u2261"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u2268"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u2269"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u226A"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u226A\u0338"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u226B"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u226B\u0338"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u226D"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u2270"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u2271"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u227A"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u227B"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u227C"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u227D"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u2280"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u2281"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u22A5"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u22B4"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u22B5"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u22C9"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u22CA"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u22CB"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u22CC"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u22D4"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u22D6"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u22D7"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u22D8"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u22D9"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u22EA"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u22EB"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u22EC"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u22ED"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u25A0"_ustr, moOpDF::infix, 260, 3, 3, moOpDP::nonedp },
+        { u"\u25A1"_ustr, moOpDF::infix, 260, 3, 3, moOpDP::nonedp },
+        { u"\u25AA"_ustr, moOpDF::infix, 260, 3, 3, moOpDP::nonedp },
+        { u"\u25AB"_ustr, moOpDF::infix, 260, 3, 3, moOpDP::nonedp },
+        { u"\u25AD"_ustr, moOpDF::infix, 260, 3, 3, moOpDP::nonedp },
+        { u"\u25AE"_ustr, moOpDF::infix, 260, 3, 3, moOpDP::nonedp },
+        { u"\u25AF"_ustr, moOpDF::infix, 260, 3, 3, moOpDP::nonedp },
+        { u"\u25B0"_ustr, moOpDF::infix, 260, 3, 3, moOpDP::nonedp },
+        { u"\u25B1"_ustr, moOpDF::infix, 260, 3, 3, moOpDP::nonedp },
+        { u"\u25B3"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u25B4"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u25B5"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u25B6"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u25B7"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u25B8"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u25B9"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u25BC"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u25BD"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u25BE"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u25BF"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u25C0"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u25C1"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u25C2"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u25C3"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u25C4"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u25C5"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u25C6"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u25C7"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u25C8"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u25C9"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u25CC"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
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+        { u"\u25CF"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u25D6"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u25D7"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u25E6"_ustr, moOpDF::infix, 260, 4, 4, moOpDP::nonedp },
+        { u"\u29C0"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u29C1"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u29E3"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u29E4"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u29E5"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u29E6"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u29F3"_ustr, moOpDF::infix, 260, 3, 3, moOpDP::nonedp },
+        { u"\u2A87"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
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+        { u"\u2AAF"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u2AAF\u0338"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u2AB0"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u2AB0\u0338"_ustr, moOpDF::infix, 260, 5, 5, moOpDP::nonedp },
+        { u"\u2044"_ustr, moOpDF::infix, 265, 4, 4, moOpDP::stretchy },
+        { u"\u2206"_ustr, moOpDF::infix, 265, 3, 3, moOpDP::nonedp },
+        { u"\u220A"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u220D"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u220E"_ustr, moOpDF::infix, 265, 3, 3, moOpDP::nonedp },
+        { u"\u2215"_ustr, moOpDF::infix, 265, 4, 4, moOpDP::stretchy },
+        { u"\u2217"_ustr, moOpDF::infix, 265, 4, 4, moOpDP::nonedp },
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+        { u"\u221F"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
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+        { u"\u223B"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u223D"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u223D\u0331"_ustr, moOpDF::infix, 265, 3, 3, moOpDP::nonedp },
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+        { u"\u224B"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u224C"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
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+        { u"\u2A57"_ustr, moOpDF::infix, 265, 4, 4, moOpDP::nonedp },
+        { u"\u2A58"_ustr, moOpDF::infix, 265, 4, 4, moOpDP::nonedp },
+        { u"\u2A59"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2A5A"_ustr, moOpDF::infix, 265, 4, 4, moOpDP::nonedp },
+        { u"\u2A5B"_ustr, moOpDF::infix, 265, 4, 4, moOpDP::nonedp },
+        { u"\u2A5C"_ustr, moOpDF::infix, 265, 4, 4, moOpDP::nonedp },
+        { u"\u2A5D"_ustr, moOpDF::infix, 265, 4, 4, moOpDP::nonedp },
+        { u"\u2A5E"_ustr, moOpDF::infix, 265, 4, 4, moOpDP::nonedp },
+        { u"\u2A5F"_ustr, moOpDF::infix, 265, 4, 4, moOpDP::nonedp },
+        { u"\u2A60"_ustr, moOpDF::infix, 265, 4, 4, moOpDP::nonedp },
+        { u"\u2A61"_ustr, moOpDF::infix, 265, 4, 4, moOpDP::nonedp },
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+        { u"\u2A64"_ustr, moOpDF::infix, 265, 4, 4, moOpDP::nonedp },
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+        { u"\u2A6A"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
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+        { u"\u2A6D"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
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+        { u"\u2A7D"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
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+        { u"\u2A7E"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
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+        { u"\u2A8A"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
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+        { u"\u2A8C"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2A8D"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2A8E"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2A8F"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
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+        { u"\u2A9D"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
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+        { u"\u2AA2\u0338"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2AA3"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2AA4"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2AA5"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2AA6"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2AA7"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2AA8"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
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+        { u"\u2AB3"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
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+        { u"\u2AB6"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
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+        { u"\u2ABD"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
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+        { u"\u2ABF"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
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+        { u"\u2AC2"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2AC3"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2AC4"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2AC5"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2AC6"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2AC7"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2AC8"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2AC9"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
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+        { u"\u2ACB"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
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+        { u"\u2ACD"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
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+        { u"\u2AD0"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
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+        { u"\u2AD2"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2AD3"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2AD4"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2AD5"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2AD6"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2AD7"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2AD8"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
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+        { u"\u2ADD\u0338"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
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+        { u"\u2AE2"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2AE3"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2AE4"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
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+        { u"\u2AE6"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
+        { u"\u2AE7"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
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+        { u"\u2AF3"_ustr, moOpDF::infix, 265, 5, 5, moOpDP::nonedp },
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+        { u"|"_ustr, moOpDF::infix, 270, 2, 2, moOpDP::stretchyfence | moOpDP::symmetric },
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+        { u"|||"_ustr, moOpDF::infix, 270, 2, 2, moOpDP::stretchyfence | moOpDP::symmetric },
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+        { u"\u219B"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::accent },
+        { u"\u219C"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy | moOpDP::accent },
+        { u"\u219D"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy | moOpDP::accent },
+        { u"\u219E"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy | moOpDP::accent },
+        { u"\u219F"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy | moOpDP::accent },
+        { u"\u21A0"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy | moOpDP::accent },
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+        { u"\u21A2"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy | moOpDP::accent },
+        { u"\u21A3"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy | moOpDP::accent },
+        { u"\u21A4"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy | moOpDP::accent },
+        { u"\u21A5"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy },
+        { u"\u21A6"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy | moOpDP::accent },
+        { u"\u21A7"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy },
+        { u"\u21A8"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy },
+        { u"\u21A9"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy | moOpDP::accent },
+        { u"\u21AA"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy | moOpDP::accent },
+        { u"\u21AB"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy | moOpDP::accent },
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+        { u"\u21AE"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::accent },
+        { u"\u21AF"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy },
+        { u"\u21B0"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy },
+        { u"\u21B1"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy },
+        { u"\u21B2"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy },
+        { u"\u21B3"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy },
+        { u"\u21B4"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy },
+        { u"\u21B5"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy },
+        { u"\u21B6"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::accent },
+        { u"\u21B7"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::accent },
+        { u"\u21B8"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::nonedp },
+        { u"\u21B9"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy | moOpDP::accent },
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+        { u"\u21BC"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy | moOpDP::accent },
+        { u"\u21BD"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy | moOpDP::accent },
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+        { u"\u21BF"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy },
+        { u"\u21C0"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy | moOpDP::accent },
+        { u"\u21C1"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy | moOpDP::accent },
+        { u"\u21C2"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy },
+        { u"\u21C3"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy },
+        { u"\u21C4"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy | moOpDP::accent },
+        { u"\u21C5"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy },
+        { u"\u21C6"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy | moOpDP::accent },
+        { u"\u21C7"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy | moOpDP::accent },
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+        { u"\u21D0"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy | moOpDP::accent },
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+        { u"\u27F8"_ustr, moOpDF::infix, 270, 5, 5, moOpDP::stretchy | moOpDP::accent },
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+        { u"\u222D"_ustr, moOpDF::prefix, 300, 0, 1, moOpDP::largeop | moOpDP::symmetric },
+        { u"\u2295"_ustr, moOpDF::infix, 300, 4, 4, moOpDP::nonedp },
+        { u"\u2296"_ustr, moOpDF::infix, 300, 4, 4, moOpDP::nonedp },
+        { u"\u2298"_ustr, moOpDF::infix, 300, 4, 4, moOpDP::nonedp },
+        { u"\u2A01"_ustr, moOpDF::prefix, 300, 1, 2, moOpDP::movablelargeop | moOpDP::symmetric },
+        { u"\u222B"_ustr, moOpDF::prefix, 310, 0, 1, moOpDP::largeop | moOpDP::symmetric },
+        { u"\u222E"_ustr, moOpDF::prefix, 310, 0, 1, moOpDP::largeop | moOpDP::symmetric },
+        { u"\u222F"_ustr, moOpDF::prefix, 310, 0, 1, moOpDP::largeop | moOpDP::symmetric },
+        { u"\u2230"_ustr, moOpDF::prefix, 310, 0, 1, moOpDP::largeop | moOpDP::symmetric },
+        { u"\u2231"_ustr, moOpDF::prefix, 310, 0, 1, moOpDP::largeop | moOpDP::symmetric },
+        { u"\u2232"_ustr, moOpDF::prefix, 310, 0, 1, moOpDP::largeop | moOpDP::symmetric },
+        { u"\u2233"_ustr, moOpDF::prefix, 310, 0, 1, moOpDP::largeop | moOpDP::symmetric },
+        { u"\u2A0C"_ustr, moOpDF::prefix, 310, 0, 1, moOpDP::largeop | moOpDP::symmetric },
+        { u"\u2A0D"_ustr, moOpDF::prefix, 310, 1, 2, moOpDP::largeop | moOpDP::symmetric },
+        { u"\u2A0E"_ustr, moOpDF::prefix, 310, 1, 2, moOpDP::largeop | moOpDP::symmetric },
+        { u"\u2A0F"_ustr, moOpDF::prefix, 310, 1, 2, moOpDP::largeop | moOpDP::symmetric },
+        { u"\u2A10"_ustr, moOpDF::prefix, 310, 1, 2, moOpDP::movablelargeop | moOpDP::symmetric },
+        { u"\u2A11"_ustr, moOpDF::prefix, 310, 1, 2, moOpDP::movablelargeop | moOpDP::symmetric },
+        { u"\u2A12"_ustr, moOpDF::prefix, 310, 1, 2, moOpDP::movablelargeop | moOpDP::symmetric },
+        { u"\u2A13"_ustr, moOpDF::prefix, 310, 1, 2, moOpDP::movablelargeop | moOpDP::symmetric },
+        { u"\u2A14"_ustr, moOpDF::prefix, 310, 1, 2, moOpDP::movablelargeop | moOpDP::symmetric },
+        { u"\u2A15"_ustr, moOpDF::prefix, 310, 1, 2, moOpDP::largeop | moOpDP::symmetric },
+        { u"\u2A16"_ustr, moOpDF::prefix, 310, 1, 2, moOpDP::largeop | moOpDP::symmetric },
+        { u"\u2A17"_ustr, moOpDF::prefix, 310, 1, 2, moOpDP::largeop | moOpDP::symmetric },
+        { u"\u2A18"_ustr, moOpDF::prefix, 310, 1, 2, moOpDP::largeop | moOpDP::symmetric },
+        { u"\u2A19"_ustr, moOpDF::prefix, 310, 1, 2, moOpDP::largeop | moOpDP::symmetric },
+        { u"\u2A1A"_ustr, moOpDF::prefix, 310, 1, 2, moOpDP::largeop | moOpDP::symmetric },
+        { u"\u2A1B"_ustr, moOpDF::prefix, 310, 1, 2, moOpDP::largeop | moOpDP::symmetric },
+        { u"\u2A1C"_ustr, moOpDF::prefix, 310, 1, 2, moOpDP::largeop | moOpDP::symmetric },
+        { u"\u22C3"_ustr, moOpDF::prefix, 320, 1, 2, moOpDP::movablelargeop | moOpDP::symmetric },
+        { u"\u2A03"_ustr, moOpDF::prefix, 320, 1, 2, moOpDP::movablelargeop | moOpDP::symmetric },
+        { u"\u2A04"_ustr, moOpDF::prefix, 320, 1, 2, moOpDP::movablelargeop | moOpDP::symmetric },
+        { u"\u22C0"_ustr, moOpDF::prefix, 330, 1, 2, moOpDP::movablelargeop | moOpDP::symmetric },
+        { u"\u22C1"_ustr, moOpDF::prefix, 330, 1, 2, moOpDP::movablelargeop | moOpDP::symmetric },
+        { u"\u22C2"_ustr, moOpDF::prefix, 330, 1, 2, moOpDP::movablelargeop | moOpDP::symmetric },
+        { u"\u2A00"_ustr, moOpDF::prefix, 330, 1, 2, moOpDP::movablelargeop | moOpDP::symmetric },
+        { u"\u2A02"_ustr, moOpDF::prefix, 330, 1, 2, moOpDP::movablelargeop | moOpDP::symmetric },
+        { u"\u2A05"_ustr, moOpDF::prefix, 330, 1, 2, moOpDP::movablelargeop | moOpDP::symmetric },
+        { u"\u2A06"_ustr, moOpDF::prefix, 330, 1, 2, moOpDP::movablelargeop | moOpDP::symmetric },
+        { u"\u2A07"_ustr, moOpDF::prefix, 330, 1, 2, moOpDP::movablelargeop | moOpDP::symmetric },
+        { u"\u2A08"_ustr, moOpDF::prefix, 330, 1, 2, moOpDP::movablelargeop | moOpDP::symmetric },
+        { u"\u2A09"_ustr, moOpDF::prefix, 330, 1, 2, moOpDP::movablelargeop | moOpDP::symmetric },
+        { u"\u2AFC"_ustr, moOpDF::prefix, 330, 1, 2, moOpDP::movablelargeop | moOpDP::symmetric },
+        { u"\u2AFF"_ustr, moOpDF::prefix, 330, 1, 2, moOpDP::movablelargeop | moOpDP::symmetric },
+        { u"\u2240"_ustr, moOpDF::infix, 340, 4, 4, moOpDP::nonedp },
+        { u"\u220F"_ustr, moOpDF::prefix, 350, 1, 2, moOpDP::movablelargeop | moOpDP::symmetric },
+        { u"\u2210"_ustr, moOpDF::prefix, 350, 1, 2, moOpDP::movablelargeop | moOpDP::symmetric },
+        { u"\u2229"_ustr, moOpDF::infix, 350, 4, 4, moOpDP::nonedp },
+        { u"\u222A"_ustr, moOpDF::infix, 350, 4, 4, moOpDP::nonedp },
+        { u"*"_ustr, moOpDF::infix, 390, 3, 3, moOpDP::nonedp },
+        { u"."_ustr, moOpDF::infix, 390, 3, 3, moOpDP::nonedp },
+        { u"\u00D7"_ustr, moOpDF::infix, 390, 4, 4, moOpDP::nonedp },
+        { u"\u2022"_ustr, moOpDF::infix, 390, 4, 4, moOpDP::nonedp },
+        { u"\u2043"_ustr, moOpDF::infix, 390, 4, 4, moOpDP::nonedp },
+        { u"\u2062"_ustr, moOpDF::infix, 390, 0, 0, moOpDP::nonedp },
+        { u"\u22A0"_ustr, moOpDF::infix, 390, 4, 4, moOpDP::nonedp },
+        { u"\u22A1"_ustr, moOpDF::infix, 390, 4, 4, moOpDP::nonedp },
+        { u"\u22C5"_ustr, moOpDF::infix, 390, 4, 4, moOpDP::nonedp },
+        { u"\u2A2F"_ustr, moOpDF::infix, 390, 4, 4, moOpDP::nonedp },
+        { u"\u2A3F"_ustr, moOpDF::infix, 390, 4, 4, moOpDP::nonedp },
+        { u"\u00B7"_ustr, moOpDF::infix, 400, 4, 4, moOpDP::nonedp },
+        { u"\u2297"_ustr, moOpDF::infix, 410, 4, 4, moOpDP::nonedp },
+        { u"%"_ustr, moOpDF::infix, 640, 3, 3, moOpDP::nonedp },
+        { u"\\"_ustr, moOpDF::infix, 650, 0, 0, moOpDP::nonedp },
+        { u"\u2216"_ustr, moOpDF::infix, 650, 4, 4, moOpDP::nonedp },
+        { u"/"_ustr, moOpDF::infix, 660, 1, 1, moOpDP::nonedp },
+        { u"\u00F7"_ustr, moOpDF::infix, 660, 4, 4, moOpDP::nonedp },
+        { u"\u2220"_ustr, moOpDF::prefix, 670, 0, 0, moOpDP::nonedp },
+        { u"\u2221"_ustr, moOpDF::prefix, 670, 0, 0, moOpDP::nonedp },
+        { u"\u2222"_ustr, moOpDF::prefix, 670, 0, 0, moOpDP::nonedp },
+        { u"\u00AC"_ustr, moOpDF::prefix, 680, 2, 1, moOpDP::nonedp },
+        { u"\u2299"_ustr, moOpDF::infix, 710, 4, 4, moOpDP::nonedp },
+        { u"\u2202"_ustr, moOpDF::prefix, 740, 2, 1, moOpDP::nonedp },
+        { u"\u2207"_ustr, moOpDF::prefix, 740, 2, 1, moOpDP::nonedp },
+        { u"**"_ustr, moOpDF::infix, 780, 1, 1, moOpDP::nonedp },
+        { u"<>"_ustr, moOpDF::infix, 780, 1, 1, moOpDP::nonedp },
+        { u"^"_ustr, moOpDF::infix, 780, 1, 1, moOpDP::nonedp },
+        { u"\u2032"_ustr, moOpDF::postfix, 800, 0, 0, moOpDP::nonedp },
+        { u"\u266D"_ustr, moOpDF::postfix, 800, 0, 2, moOpDP::nonedp },
+        { u"\u266E"_ustr, moOpDF::postfix, 800, 0, 2, moOpDP::nonedp },
+        { u"\u266F"_ustr, moOpDF::postfix, 800, 0, 2, moOpDP::nonedp },
+        { u"!"_ustr, moOpDF::postfix, 810, 1, 0, moOpDP::nonedp },
+        { u"!!"_ustr, moOpDF::postfix, 810, 1, 0, moOpDP::nonedp },
+        { u"//"_ustr, moOpDF::infix, 820, 1, 1, moOpDP::nonedp },
+        { u"@"_ustr, moOpDF::infix, 825, 1, 1, moOpDP::nonedp },
+        { u"?"_ustr, moOpDF::infix, 835, 1, 1, moOpDP::nonedp },
+        { u"\u2145"_ustr, moOpDF::prefix, 845, 2, 1, moOpDP::nonedp },
+        { u"\u2146"_ustr, moOpDF::prefix, 845, 2, 0, moOpDP::nonedp },
+        { u"\u221A"_ustr, moOpDF::prefix, 845, 1, 1, moOpDP::stretchy },
+        { u"\u221B"_ustr, moOpDF::prefix, 845, 1, 1, moOpDP::nonedp },
+        { u"\u221C"_ustr, moOpDF::prefix, 845, 1, 1, moOpDP::nonedp },
+        { u"\u2061"_ustr, moOpDF::infix, 850, 0, 0, moOpDP::nonedp },
+        { u"\""_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"&"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::nonedp },
+        { u"\'"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"++"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::nonedp },
+        { u"--"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::nonedp },
+        { u"^"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::stretchy | moOpDP::accent },
+        { u"_"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::stretchy | moOpDP::accent },
+        { u"`"_ustr, moOpDF::postfix, 880, 0, 00, moOpDP::accent },
+        { u"~"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::stretchy | moOpDP::accent },
+        { u"\u00A8"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u00AA"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u00AF"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::stretchy | moOpDP::accent },
+        { u"\u00B0"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::nonedp },
+        { u"\u00B2"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u00B3"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u00B4"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u00B8"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u00B9"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u00BA"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u02C6"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::stretchy | moOpDP::accent },
+        { u"\u02C7"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::stretchy | moOpDP::accent },
+        { u"\u02C9"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::stretchy | moOpDP::accent },
+        { u"\u02CA"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u02CB"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u02CD"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::stretchy | moOpDP::accent },
+        { u"\u02D8"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u02D9"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u02DA"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u02DC"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::stretchy | moOpDP::accent },
+        { u"\u02DD"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u02F7"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::stretchy | moOpDP::accent },
+        { u"\u0302"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::stretchy | moOpDP::accent },
+        { u"\u0311"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u201A"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u201B"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u201E"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u201F"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u2033"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u2034"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u2035"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u2036"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u2037"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u203E"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::stretchy | moOpDP::accent },
+        { u"\u2057"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u2064"_ustr, moOpDF::infix, 880, 0, 0, moOpDP::nonedp },
+        { u"\u20DB"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u20DC"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::accent },
+        { u"\u23B4"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::stretchy | moOpDP::accent },
+        { u"\u23B5"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::stretchy | moOpDP::accent },
+        { u"\u23DC"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::stretchy | moOpDP::accent },
+        { u"\u23DD"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::stretchy | moOpDP::accent },
+        { u"\u23DE"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::stretchy | moOpDP::accent },
+        { u"\u23DF"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::stretchy | moOpDP::accent },
+        { u"\u23E0"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::stretchy | moOpDP::accent },
+        { u"\u23E1"_ustr, moOpDF::postfix, 880, 0, 0, moOpDP::stretchy | moOpDP::accent },
+        { u"_"_ustr, moOpDF::infix, 900, 1, 1, moOpDP::nonedp } };
+
+std::vector<moOperatorData> starmathdatabase::moOperatorDataDictionary(
+    moOperatorDataDictionaryData, moOperatorDataDictionaryData + starmathdatabase::MATHML_MO_COUNT);
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/mathml/mathmlattr.cxx b/starmath/source/mathml/mathmlattr.cxx
new file mode 100644
index 0000000000..5e54f0d92e
--- /dev/null
+++ b/starmath/source/mathml/mathmlattr.cxx
@@ -0,0 +1,165 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <mathmlattr.hxx>
+
+#include <o3tl/safeint.hxx>
+#include <o3tl/string_view.hxx>
+#include <rtl/math.h>
+
+#include <cstddef>
+#include <string_view>
+#include <unordered_map>
+
+static std::size_t ParseMathMLUnsignedNumber(std::u16string_view rStr, Fraction& rUN)
+{
+    auto nLen = rStr.length();
+    std::size_t nDecimalPoint = std::u16string_view::npos;
+    std::size_t nIdx;
+    sal_Int64 nom = 0;
+    sal_Int64 den = 1;
+    bool validNomDen = true;
+    for (nIdx = 0; nIdx < nLen; nIdx++)
+    {
+        auto cD = rStr[nIdx];
+        if (cD == u'.')
+        {
+            if (nDecimalPoint != std::u16string_view::npos)
+                return std::u16string_view::npos;
+            nDecimalPoint = nIdx;
+            continue;
+        }
+        if (cD < u'0' || u'9' < cD)
+            break;
+        if (validNomDen
+            && (o3tl::checked_multiply(nom, sal_Int64(10), nom)
+                || o3tl::checked_add(nom, sal_Int64(cD - u'0'), nom)
+                || nom >= std::numeric_limits<sal_Int32>::max()
+                || (nDecimalPoint != std::u16string_view::npos
+                    && o3tl::checked_multiply(den, sal_Int64(10), den))))
+        {
+            validNomDen = false;
+        }
+    }
+    if (nIdx == 0 || (nIdx == 1 && nDecimalPoint == 0))
+        return std::u16string_view::npos;
+
+    // If the input "xx.yyy" can be represented with nom = xx*10^n + yyy and den = 10^n in sal_Int64
+    // (where n is the length of "yyy"), then use that to create an accurate Fraction (and TODO: we
+    // could even ignore trailing "0" characters in "yyy", for a smaller n and thus a greater chance
+    // of validNomDen); if not, use the less accurate approach of creating a Fraction from double:
+    if (validNomDen)
+    {
+        rUN = Fraction(nom, den);
+    }
+    else
+    {
+        rUN = Fraction(
+            rtl_math_uStringToDouble(rStr.data(), rStr.data() + nIdx, '.', 0, nullptr, nullptr));
+    }
+
+    return nIdx;
+}
+
+static std::size_t ParseMathMLNumber(std::u16string_view rStr, Fraction& rN)
+{
+    if (rStr.empty())
+        return std::u16string_view::npos;
+    bool bNegative = (rStr[0] == '-');
+    std::size_t nOffset = bNegative ? 1 : 0;
+    auto nIdx = ParseMathMLUnsignedNumber(rStr.substr(nOffset), rN);
+    if (nIdx == std::u16string_view::npos || !rN.IsValid())
+        return std::u16string_view::npos;
+    if (bNegative)
+        rN *= -1;
+    return nOffset + nIdx;
+}
+
+bool ParseMathMLAttributeLengthValue(std::u16string_view rStr, MathMLAttributeLengthValue& rV)
+{
+    auto nIdx = ParseMathMLNumber(rStr, rV.aNumber);
+    if (nIdx == std::u16string_view::npos)
+        return false;
+    std::u16string_view sRest = rStr.substr(nIdx);
+    if (sRest.empty())
+    {
+        rV.eUnit = MathMLLengthUnit::None;
+    }
+    if (o3tl::starts_with(sRest, u"em"))
+    {
+        rV.eUnit = MathMLLengthUnit::Em;
+    }
+    if (o3tl::starts_with(sRest, u"ex"))
+    {
+        rV.eUnit = MathMLLengthUnit::Ex;
+    }
+    if (o3tl::starts_with(sRest, u"px"))
+    {
+        rV.eUnit = MathMLLengthUnit::Px;
+    }
+    if (o3tl::starts_with(sRest, u"in"))
+    {
+        rV.eUnit = MathMLLengthUnit::In;
+    }
+    if (o3tl::starts_with(sRest, u"cm"))
+    {
+        rV.eUnit = MathMLLengthUnit::Cm;
+    }
+    if (o3tl::starts_with(sRest, u"mm"))
+    {
+        rV.eUnit = MathMLLengthUnit::Mm;
+    }
+    if (o3tl::starts_with(sRest, u"pt"))
+    {
+        rV.eUnit = MathMLLengthUnit::Pt;
+    }
+    if (o3tl::starts_with(sRest, u"pc"))
+    {
+        rV.eUnit = MathMLLengthUnit::Pc;
+    }
+    if (sRest[0] == u'%')
+    {
+        rV.eUnit = MathMLLengthUnit::Percent;
+    }
+    return true;
+}
+
+bool GetMathMLMathvariantValue(const OUString& rStr, MathMLMathvariantValue& rV)
+{
+    static const std::unordered_map<OUString, MathMLMathvariantValue> aMap{
+        { "normal", MathMLMathvariantValue::Normal },
+        { "bold", MathMLMathvariantValue::Bold },
+        { "italic", MathMLMathvariantValue::Italic },
+        { "bold-italic", MathMLMathvariantValue::BoldItalic },
+        { "double-struck", MathMLMathvariantValue::DoubleStruck },
+        { "bold-fraktur", MathMLMathvariantValue::BoldFraktur },
+        { "script", MathMLMathvariantValue::Script },
+        { "bold-script", MathMLMathvariantValue::BoldScript },
+        { "fraktur", MathMLMathvariantValue::Fraktur },
+        { "sans-serif", MathMLMathvariantValue::SansSerif },
+        { "bold-sans-serif", MathMLMathvariantValue::BoldSansSerif },
+        { "sans-serif-italic", MathMLMathvariantValue::SansSerifItalic },
+        { "sans-serif-bold-italic", MathMLMathvariantValue::SansSerifBoldItalic },
+        { "monospace", MathMLMathvariantValue::Monospace },
+        { "initial", MathMLMathvariantValue::Initial },
+        { "tailed", MathMLMathvariantValue::Tailed },
+        { "looped", MathMLMathvariantValue::Looped },
+        { "stretched", MathMLMathvariantValue::Stretched }
+    };
+
+    auto it = aMap.find(rStr);
+    if (it != aMap.end())
+    {
+        rV = it->second;
+        return true;
+    }
+    return false;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/starmath/source/mathml/mathmlexport.cxx b/starmath/source/mathml/mathmlexport.cxx
new file mode 100644
index 0000000000..1c18e716e7
--- /dev/null
+++ b/starmath/source/mathml/mathmlexport.cxx
@@ -0,0 +1,1443 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+/*
+ Warning: The SvXMLElementExport helper class creates the beginning and
+ closing tags of xml elements in its constructor and destructor, so there's
+ hidden stuff going on, on occasion the ordering of these classes declarations
+ may be significant
+*/
+
+#include <com/sun/star/xml/sax/Writer.hpp>
+#include <com/sun/star/beans/PropertyAttribute.hpp>
+#include <com/sun/star/embed/ElementModes.hpp>
+#include <com/sun/star/util/MeasureUnit.hpp>
+#include <com/sun/star/task/XStatusIndicator.hpp>
+#include <com/sun/star/uno/Any.h>
+
+#include <officecfg/Office/Common.hxx>
+#include <rtl/math.hxx>
+#include <sfx2/frame.hxx>
+#include <sfx2/docfile.hxx>
+#include <sfx2/sfxsids.hrc>
+#include <osl/diagnose.h>
+#include <sot/storage.hxx>
+#include <svl/itemset.hxx>
+#include <svl/stritem.hxx>
+#include <comphelper/fileformat.h>
+#include <comphelper/processfactory.hxx>
+#include <unotools/streamwrap.hxx>
+#include <sax/tools/converter.hxx>
+#include <xmloff/xmlnamespace.hxx>
+#include <xmloff/xmltoken.hxx>
+#include <xmloff/namespacemap.hxx>
+#include <comphelper/genericpropertyset.hxx>
+#include <comphelper/servicehelper.hxx>
+#include <comphelper/propertysetinfo.hxx>
+#include <comphelper/diagnose_ex.hxx>
+#include <sal/log.hxx>
+
+#include <stack>
+
+#include <mathmlexport.hxx>
+#include <xparsmlbase.hxx>
+#include <strings.hrc>
+#include <smmod.hxx>
+#include <unomodel.hxx>
+#include <document.hxx>
+#include <utility.hxx>
+#include <cfgitem.hxx>
+#include <starmathdatabase.hxx>
+
+using namespace ::com::sun::star::beans;
+using namespace ::com::sun::star::document;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star;
+using namespace ::xmloff::token;
+
+namespace
+{
+bool IsInPrivateUseArea(sal_uInt32 cChar) { return 0xE000 <= cChar && cChar <= 0xF8FF; }
+
+sal_uInt32 ConvertMathToMathML(std::u16string_view rText, sal_Int32 nIndex = 0)
+{
+    auto cRes = o3tl::iterateCodePoints(rText, &nIndex);
+    if (IsInPrivateUseArea(cRes))
+    {
+        SAL_WARN("starmath", "Error: private use area characters should no longer be in use!");
+        cRes = u'@'; // just some character that should easily be notice as odd in the context
+    }
+    return cRes;
+}
+}
+
+bool SmXMLExportWrapper::Export(SfxMedium& rMedium)
+{
+    bool bRet = true;
+    uno::Reference<uno::XComponentContext> xContext(comphelper::getProcessComponentContext());
+
+    //Get model
+    uno::Reference<lang::XComponent> xModelComp = xModel;
+
+    bool bEmbedded = false;
+    SmModel* pModel = comphelper::getFromUnoTunnel<SmModel>(xModel);
+
+    SmDocShell* pDocShell = pModel ? static_cast<SmDocShell*>(pModel->GetObjectShell()) : nullptr;
+    if (pDocShell && SfxObjectCreateMode::EMBEDDED == pDocShell->GetCreateMode())
+        bEmbedded = true;
+
+    uno::Reference<task::XStatusIndicator> xStatusIndicator;
+    if (!bEmbedded)
+    {
+        if (pDocShell /*&& pDocShell->GetMedium()*/)
+        {
+            OSL_ENSURE(pDocShell->GetMedium() == &rMedium, "different SfxMedium found");
+
+            const SfxUnoAnyItem* pItem
+                = rMedium.GetItemSet().GetItem(SID_PROGRESS_STATUSBAR_CONTROL);
+            if (pItem)
+                pItem->GetValue() >>= xStatusIndicator;
+        }
+
+        // set progress range and start status indicator
+        if (xStatusIndicator.is())
+        {
+            sal_Int32 nProgressRange = bFlat ? 1 : 3;
+            xStatusIndicator->start(SmResId(STR_STATSTR_WRITING), nProgressRange);
+        }
+    }
+
+    static constexpr OUString sUsePrettyPrinting(u"UsePrettyPrinting"_ustr);
+    static constexpr OUString sBaseURI(u"BaseURI"_ustr);
+    static constexpr OUString sStreamRelPath(u"StreamRelPath"_ustr);
+    static constexpr OUString sStreamName(u"StreamName"_ustr);
+
+    // create XPropertySet with three properties for status indicator
+    static const comphelper::PropertyMapEntry aInfoMap[] = {
+        { sUsePrettyPrinting, 0, cppu::UnoType<bool>::get(), beans::PropertyAttribute::MAYBEVOID,
+          0 },
+        { sBaseURI, 0, ::cppu::UnoType<OUString>::get(), beans::PropertyAttribute::MAYBEVOID, 0 },
+        { sStreamRelPath, 0, ::cppu::UnoType<OUString>::get(), beans::PropertyAttribute::MAYBEVOID,
+          0 },
+        { sStreamName, 0, ::cppu::UnoType<OUString>::get(), beans::PropertyAttribute::MAYBEVOID, 0 }
+    };
+    uno::Reference<beans::XPropertySet> xInfoSet(
+        comphelper::GenericPropertySet_CreateInstance(new comphelper::PropertySetInfo(aInfoMap)));
+
+    bool bUsePrettyPrinting
+        = bFlat || officecfg::Office::Common::Save::Document::PrettyPrinting::get();
+    xInfoSet->setPropertyValue(sUsePrettyPrinting, Any(bUsePrettyPrinting));
+
+    // Set base URI
+    xInfoSet->setPropertyValue(sBaseURI, Any(rMedium.GetBaseURL(true)));
+
+    sal_Int32 nSteps = 0;
+    if (xStatusIndicator.is())
+        xStatusIndicator->setValue(nSteps++);
+    if (!bFlat) //Storage (Package) of Stream
+    {
+        uno::Reference<embed::XStorage> xStg = rMedium.GetOutputStorage();
+        bool bOASIS = (SotStorage::GetVersion(xStg) > SOFFICE_FILEFORMAT_60);
+
+        // TODO/LATER: handle the case of embedded links gracefully
+        if (bEmbedded) //&& !pStg->IsRoot() )
+        {
+            OUString aName;
+            const SfxStringItem* pDocHierarchItem
+                = rMedium.GetItemSet().GetItem(SID_DOC_HIERARCHICALNAME);
+            if (pDocHierarchItem)
+                aName = pDocHierarchItem->GetValue();
+
+            if (!aName.isEmpty())
+            {
+                xInfoSet->setPropertyValue(sStreamRelPath, Any(aName));
+            }
+        }
+
+        if (!bEmbedded)
+        {
+            if (xStatusIndicator.is())
+                xStatusIndicator->setValue(nSteps++);
+
+            bRet = WriteThroughComponent(xStg, xModelComp, "meta.xml", xContext, xInfoSet,
+                                         (bOASIS ? "com.sun.star.comp.Math.XMLOasisMetaExporter"
+                                                 : "com.sun.star.comp.Math.XMLMetaExporter"));
+        }
+        if (bRet)
+        {
+            if (xStatusIndicator.is())
+                xStatusIndicator->setValue(nSteps++);
+
+            bRet = WriteThroughComponent(xStg, xModelComp, "content.xml", xContext, xInfoSet,
+                                         "com.sun.star.comp.Math.XMLContentExporter");
+        }
+
+        if (bRet)
+        {
+            if (xStatusIndicator.is())
+                xStatusIndicator->setValue(nSteps++);
+
+            bRet = WriteThroughComponent(xStg, xModelComp, "settings.xml", xContext, xInfoSet,
+                                         (bOASIS ? "com.sun.star.comp.Math.XMLOasisSettingsExporter"
+                                                 : "com.sun.star.comp.Math.XMLSettingsExporter"));
+        }
+    }
+    else
+    {
+        SvStream* pStream = rMedium.GetOutStream();
+        uno::Reference<io::XOutputStream> xOut(new utl::OOutputStreamWrapper(*pStream));
+
+        if (xStatusIndicator.is())
+            xStatusIndicator->setValue(nSteps++);
+
+        bRet = WriteThroughComponent(xOut, xModelComp, xContext, xInfoSet,
+                                     "com.sun.star.comp.Math.XMLContentExporter");
+    }
+
+    if (xStatusIndicator.is())
+        xStatusIndicator->end();
+
+    return bRet;
+}
+
+/// export through an XML exporter component (output stream version)
+bool SmXMLExportWrapper::WriteThroughComponent(const Reference<io::XOutputStream>& xOutputStream,
+                                               const Reference<XComponent>& xComponent,
+                                               Reference<uno::XComponentContext> const& rxContext,
+                                               Reference<beans::XPropertySet> const& rPropSet,
+                                               const char* pComponentName)
+{
+    OSL_ENSURE(xOutputStream.is(), "I really need an output stream!");
+    OSL_ENSURE(xComponent.is(), "Need component!");
+    OSL_ENSURE(nullptr != pComponentName, "Need component name!");
+
+    // get component
+    Reference<xml::sax::XWriter> xSaxWriter = xml::sax::Writer::create(rxContext);
+
+    // connect XML writer to output stream
+    xSaxWriter->setOutputStream(xOutputStream);
+    if (m_bUseHTMLMLEntities)
+        xSaxWriter->setCustomEntityNames(starmathdatabase::icustomMathmlHtmlEntitiesExport);
+
+    // prepare arguments (prepend doc handler to given arguments)
+    Sequence<Any> aArgs{ Any(xSaxWriter), Any(rPropSet) };
+
+    // get filter component
+    Reference<document::XExporter> xExporter(
+        rxContext->getServiceManager()->createInstanceWithArgumentsAndContext(
+            OUString::createFromAscii(pComponentName), aArgs, rxContext),
+        UNO_QUERY);
+    OSL_ENSURE(xExporter.is(), "can't instantiate export filter component");
+    if (!xExporter.is())
+        return false;
+
+    // connect model and filter
+    xExporter->setSourceDocument(xComponent);
+
+    // filter!
+    Reference<XFilter> xFilter(xExporter, UNO_QUERY);
+    uno::Sequence<PropertyValue> aProps(0);
+    xFilter->filter(aProps);
+
+    auto pFilter = dynamic_cast<SmXMLExport*>(xFilter.get());
+    return pFilter == nullptr || pFilter->GetSuccess();
+}
+
+/// export through an XML exporter component (storage version)
+bool SmXMLExportWrapper::WriteThroughComponent(const Reference<embed::XStorage>& xStorage,
+                                               const Reference<XComponent>& xComponent,
+                                               const char* pStreamName,
+                                               Reference<uno::XComponentContext> const& rxContext,
+                                               Reference<beans::XPropertySet> const& rPropSet,
+                                               const char* pComponentName)
+{
+    OSL_ENSURE(xStorage.is(), "Need storage!");
+    OSL_ENSURE(nullptr != pStreamName, "Need stream name!");
+
+    // open stream
+    Reference<io::XStream> xStream;
+    OUString sStreamName = OUString::createFromAscii(pStreamName);
+    try
+    {
+        xStream = xStorage->openStreamElement(sStreamName, embed::ElementModes::READWRITE
+                                                               | embed::ElementModes::TRUNCATE);
+    }
+    catch (const uno::Exception&)
+    {
+        DBG_UNHANDLED_EXCEPTION("starmath", "Can't create output stream in package");
+        return false;
+    }
+
+    uno::Reference<beans::XPropertySet> xSet(xStream, uno::UNO_QUERY);
+    static constexpr OUStringLiteral sMediaType = u"MediaType";
+    static constexpr OUStringLiteral sTextXml = u"text/xml";
+    xSet->setPropertyValue(sMediaType, Any(OUString(sTextXml)));
+
+    // all streams must be encrypted in encrypted document
+    static constexpr OUStringLiteral sUseCommonStoragePasswordEncryption
+        = u"UseCommonStoragePasswordEncryption";
+    xSet->setPropertyValue(sUseCommonStoragePasswordEncryption, Any(true));
+
+    // set Base URL
+    if (rPropSet.is())
+    {
+        rPropSet->setPropertyValue("StreamName", Any(sStreamName));
+    }
+
+    // write the stuff
+    bool bRet = WriteThroughComponent(xStream->getOutputStream(), xComponent, rxContext, rPropSet,
+                                      pComponentName);
+
+    return bRet;
+}
+
+SmXMLExport::SmXMLExport(const css::uno::Reference<css::uno::XComponentContext>& rContext,
+                         OUString const& implementationName, SvXMLExportFlags nExportFlags)
+    : SvXMLExport(rContext, implementationName, util::MeasureUnit::INCH, XML_MATH, nExportFlags)
+    , pTree(nullptr)
+    , bSuccess(false)
+{
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+Math_XMLExporter_get_implementation(css::uno::XComponentContext* context,
+                                    css::uno::Sequence<css::uno::Any> const&)
+{
+    return cppu::acquire(new SmXMLExport(context, "com.sun.star.comp.Math.XMLExporter",
+                                         SvXMLExportFlags::OASIS | SvXMLExportFlags::ALL));
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+Math_XMLMetaExporter_get_implementation(css::uno::XComponentContext* context,
+                                        css::uno::Sequence<css::uno::Any> const&)
+{
+    return cppu::acquire(
+        new SmXMLExport(context, "com.sun.star.comp.Math.XMLMetaExporter", SvXMLExportFlags::META));
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+Math_XMLOasisMetaExporter_get_implementation(css::uno::XComponentContext* context,
+                                             css::uno::Sequence<css::uno::Any> const&)
+{
+    return cppu::acquire(new SmXMLExport(context, "com.sun.star.comp.Math.XMLOasisMetaExporter",
+                                         SvXMLExportFlags::OASIS | SvXMLExportFlags::META));
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+Math_XMLSettingsExporter_get_implementation(css::uno::XComponentContext* context,
+                                            css::uno::Sequence<css::uno::Any> const&)
+{
+    return cppu::acquire(new SmXMLExport(context, "com.sun.star.comp.Math.XMLSettingsExporter",
+                                         SvXMLExportFlags::SETTINGS));
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+Math_XMLOasisSettingsExporter_get_implementation(css::uno::XComponentContext* context,
+                                                 css::uno::Sequence<css::uno::Any> const&)
+{
+    return cppu::acquire(new SmXMLExport(context, "com.sun.star.comp.Math.XMLOasisSettingsExporter",
+                                         SvXMLExportFlags::OASIS | SvXMLExportFlags::SETTINGS));
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+Math_XMLContentExporter_get_implementation(css::uno::XComponentContext* context,
+                                           css::uno::Sequence<css::uno::Any> const&)
+{
+    return cppu::acquire(new SmXMLExport(context, "com.sun.star.comp.Math.XMLContentExporter",
+                                         SvXMLExportFlags::OASIS | SvXMLExportFlags::CONTENT));
+}
+
+ErrCode SmXMLExport::exportDoc(enum XMLTokenEnum eClass)
+{
+    if (!(getExportFlags() & SvXMLExportFlags::CONTENT))
+    {
+        SvXMLExport::exportDoc(eClass);
+    }
+    else
+    {
+        uno::Reference<frame::XModel> xModel = GetModel();
+        SmModel* pModel = comphelper::getFromUnoTunnel<SmModel>(xModel);
+
+        if (pModel)
+        {
+            SmDocShell* pDocShell = static_cast<SmDocShell*>(pModel->GetObjectShell());
+            pTree = pDocShell->GetFormulaTree();
+            aText = pDocShell->GetText();
+        }
+
+        GetDocHandler()->startDocument();
+
+        addChaffWhenEncryptedStorage();
+
+        /*Add xmlns line*/
+        comphelper::AttributeList& rList = GetAttrList();
+
+        // make use of a default namespace
+        ResetNamespaceMap(); // Math doesn't need namespaces from xmloff, since it now uses default namespaces (because that is common with current MathML usage in the web)
+        GetNamespaceMap_().Add(OUString(), GetXMLToken(XML_N_MATH), XML_NAMESPACE_MATH);
+
+        rList.AddAttribute(GetNamespaceMap().GetAttrNameByKey(XML_NAMESPACE_MATH),
+                           GetNamespaceMap().GetNameByKey(XML_NAMESPACE_MATH));
+
+        //I think we need something like ImplExportEntities();
+        ExportContent_();
+        GetDocHandler()->endDocument();
+    }
+
+    bSuccess = true;
+    return ERRCODE_NONE;
+}
+
+void SmXMLExport::ExportContent_()
+{
+    uno::Reference<frame::XModel> xModel = GetModel();
+    SmModel* pModel = comphelper::getFromUnoTunnel<SmModel>(xModel);
+    SmDocShell* pDocShell = pModel ? static_cast<SmDocShell*>(pModel->GetObjectShell()) : nullptr;
+    OSL_ENSURE(pDocShell, "doc shell missing");
+
+    if (pDocShell)
+    {
+        if (!pDocShell->GetFormat().IsTextmode())
+        {
+            // If the Math equation is not in text mode, we attach a display="block"
+            // attribute on the <math> root. We don't do anything if it is in
+            // text mode, the default display="inline" value will be used.
+            AddAttribute(XML_NAMESPACE_MATH, XML_DISPLAY, XML_BLOCK);
+        }
+        if (pDocShell->GetFormat().IsRightToLeft())
+        {
+            // If the Math equation is set right-to-left, we attach a dir="rtl"
+            // attribute on the <math> root. We don't do anything if it is set
+            // left-to-right, the default dir="ltr" value will be used.
+            AddAttribute(XML_NAMESPACE_MATH, XML_DIR, XML_RTL);
+        }
+    }
+
+    SvXMLElementExport aEquation(*this, XML_NAMESPACE_MATH, XML_MATH, true, true);
+    std::unique_ptr<SvXMLElementExport> pSemantics;
+
+    if (!aText.isEmpty())
+    {
+        pSemantics.reset(
+            new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_SEMANTICS, true, true));
+    }
+
+    ExportNodes(pTree, 0);
+
+    if (aText.isEmpty())
+        return;
+
+    SmModule* pMod = SM_MOD();
+    sal_Int16 nSmSyntaxVersion = pMod->GetConfig()->GetDefaultSmSyntaxVersion();
+
+    // Convert symbol names
+    if (pDocShell)
+    {
+        nSmSyntaxVersion = pDocShell->GetSmSyntaxVersion();
+        AbstractSmParser* rParser = pDocShell->GetParser();
+        bool bVal = rParser->IsExportSymbolNames();
+        rParser->SetExportSymbolNames(true);
+        auto pTmpTree = rParser->Parse(aText);
+        aText = rParser->GetText();
+        pTmpTree.reset();
+        rParser->SetExportSymbolNames(bVal);
+    }
+
+    OUStringBuffer sStrBuf(12);
+    sStrBuf.append(u"StarMath ");
+    if (nSmSyntaxVersion == 5)
+        sStrBuf.append(u"5.0");
+    else
+        sStrBuf.append(static_cast<sal_Int32>(nSmSyntaxVersion));
+
+    AddAttribute(XML_NAMESPACE_MATH, XML_ENCODING, sStrBuf.makeStringAndClear());
+    SvXMLElementExport aAnnotation(*this, XML_NAMESPACE_MATH, XML_ANNOTATION, true, false);
+    GetDocHandler()->characters(aText);
+}
+
+void SmXMLExport::GetViewSettings(Sequence<PropertyValue>& aProps)
+{
+    uno::Reference<frame::XModel> xModel = GetModel();
+    if (!xModel.is())
+        return;
+
+    SmModel* pModel = comphelper::getFromUnoTunnel<SmModel>(xModel);
+
+    if (!pModel)
+        return;
+
+    SmDocShell* pDocShell = static_cast<SmDocShell*>(pModel->GetObjectShell());
+    if (!pDocShell)
+        return;
+
+    aProps.realloc(4);
+    PropertyValue* pValue = aProps.getArray();
+    sal_Int32 nIndex = 0;
+
+    tools::Rectangle aRect(pDocShell->GetVisArea());
+
+    pValue[nIndex].Name = "ViewAreaTop";
+    pValue[nIndex++].Value <<= aRect.Top();
+
+    pValue[nIndex].Name = "ViewAreaLeft";
+    pValue[nIndex++].Value <<= aRect.Left();
+
+    pValue[nIndex].Name = "ViewAreaWidth";
+    pValue[nIndex++].Value <<= aRect.GetWidth();
+
+    pValue[nIndex].Name = "ViewAreaHeight";
+    pValue[nIndex++].Value <<= aRect.GetHeight();
+}
+
+void SmXMLExport::GetConfigurationSettings(Sequence<PropertyValue>& rProps)
+{
+    Reference<XPropertySet> xProps(GetModel(), UNO_QUERY);
+    if (!xProps.is())
+        return;
+
+    Reference<XPropertySetInfo> xPropertySetInfo = xProps->getPropertySetInfo();
+    if (!xPropertySetInfo.is())
+        return;
+
+    const Sequence<Property> aProps = xPropertySetInfo->getProperties();
+    const sal_Int32 nCount = aProps.getLength();
+    if (!nCount)
+        return;
+
+    rProps.realloc(nCount);
+    SmMathConfig* pConfig = SM_MOD()->GetConfig();
+    const bool bUsedSymbolsOnly = pConfig && pConfig->IsSaveOnlyUsedSymbols();
+
+    std::transform(aProps.begin(), aProps.end(), rProps.getArray(),
+                   [bUsedSymbolsOnly, &xProps](const Property& prop) {
+                       PropertyValue aRet;
+                       if (prop.Name != "Formula" && prop.Name != "BasicLibraries"
+                           && prop.Name != "DialogLibraries" && prop.Name != "RuntimeUID")
+                       {
+                           aRet.Name = prop.Name;
+                           OUString aActualName(prop.Name);
+                           // handle 'save used symbols only'
+                           static constexpr OUStringLiteral sUserDefinedSymbolsInUse
+                               = u"UserDefinedSymbolsInUse";
+                           if (bUsedSymbolsOnly && prop.Name == "Symbols")
+                               aActualName = sUserDefinedSymbolsInUse;
+                           aRet.Value = xProps->getPropertyValue(aActualName);
+                       }
+                       return aRet;
+                   });
+}
+
+void SmXMLExport::ExportLine(const SmNode* pNode, int nLevel) { ExportExpression(pNode, nLevel); }
+
+void SmXMLExport::ExportBinaryHorizontal(const SmNode* pNode, int nLevel)
+{
+    TG nGroup = pNode->GetToken().nGroup;
+
+    SvXMLElementExport aRow(*this, XML_NAMESPACE_MATH, XML_MROW, true, true);
+
+    // Unfold the binary tree structure as long as the nodes are SmBinHorNode
+    // with the same nGroup. This will reduce the number of nested <mrow>
+    // elements e.g. we only need three <mrow> levels to export
+
+    // "a*b*c*d+e*f*g*h+i*j*k*l = a*b*c*d+e*f*g*h+i*j*k*l =
+    //  a*b*c*d+e*f*g*h+i*j*k*l = a*b*c*d+e*f*g*h+i*j*k*l"
+
+    // See https://www.libreoffice.org/bugzilla/show_bug.cgi?id=66081
+    ::std::stack<const SmNode*> s;
+    s.push(pNode);
+    while (!s.empty())
+    {
+        const SmNode* node = s.top();
+        s.pop();
+        if (node->GetType() != SmNodeType::BinHor || node->GetToken().nGroup != nGroup)
+        {
+            ExportNodes(node, nLevel + 1);
+            continue;
+        }
+        const SmBinHorNode* binNode = static_cast<const SmBinHorNode*>(node);
+        s.push(binNode->RightOperand());
+        s.push(binNode->Symbol());
+        s.push(binNode->LeftOperand());
+    }
+}
+
+void SmXMLExport::ExportUnaryHorizontal(const SmNode* pNode, int nLevel)
+{
+    ExportExpression(pNode, nLevel);
+}
+
+void SmXMLExport::ExportExpression(const SmNode* pNode, int nLevel,
+                                   bool bNoMrowContainer /*=false*/)
+{
+    std::unique_ptr<SvXMLElementExport> pRow;
+    size_t nSize = pNode->GetNumSubNodes();
+
+    // #i115443: nodes of type expression always need to be grouped with mrow statement
+    if (!bNoMrowContainer && (nSize > 1 || pNode->GetType() == SmNodeType::Expression))
+        pRow.reset(new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MROW, true, true));
+
+    for (size_t i = 0; i < nSize; ++i)
+    {
+        if (const SmNode* pTemp = pNode->GetSubNode(i))
+            ExportNodes(pTemp, nLevel + 1);
+    }
+}
+
+void SmXMLExport::ExportBinaryVertical(const SmNode* pNode, int nLevel)
+{
+    assert(pNode->GetNumSubNodes() == 3);
+    const SmNode* pNum = pNode->GetSubNode(0);
+    const SmNode* pDenom = pNode->GetSubNode(2);
+    if (pNum->GetType() == SmNodeType::Align && pNum->GetToken().eType != TALIGNC)
+    {
+        // A left or right alignment is specified on the numerator:
+        // attach the corresponding numalign attribute.
+        AddAttribute(XML_NAMESPACE_MATH, XML_NUMALIGN,
+                     pNum->GetToken().eType == TALIGNL ? XML_LEFT : XML_RIGHT);
+    }
+    if (pDenom->GetType() == SmNodeType::Align && pDenom->GetToken().eType != TALIGNC)
+    {
+        // A left or right alignment is specified on the denominator:
+        // attach the corresponding denomalign attribute.
+        AddAttribute(XML_NAMESPACE_MATH, XML_DENOMALIGN,
+                     pDenom->GetToken().eType == TALIGNL ? XML_LEFT : XML_RIGHT);
+    }
+    SvXMLElementExport aFraction(*this, XML_NAMESPACE_MATH, XML_MFRAC, true, true);
+    ExportNodes(pNum, nLevel);
+    ExportNodes(pDenom, nLevel);
+}
+
+void SmXMLExport::ExportBinaryDiagonal(const SmNode* pNode, int nLevel)
+{
+    assert(pNode->GetNumSubNodes() == 3);
+
+    if (pNode->GetToken().eType == TWIDESLASH)
+    {
+        // wideslash
+        // export the node as <mfrac bevelled="true">
+        AddAttribute(XML_NAMESPACE_MATH, XML_BEVELLED, XML_TRUE);
+        SvXMLElementExport aFraction(*this, XML_NAMESPACE_MATH, XML_MFRAC, true, true);
+        ExportNodes(pNode->GetSubNode(0), nLevel);
+        ExportNodes(pNode->GetSubNode(1), nLevel);
+    }
+    else
+    {
+        // widebslash
+        // We can not use <mfrac> to a backslash, so just use <mo>\</mo>
+        SvXMLElementExport aRow(*this, XML_NAMESPACE_MATH, XML_MROW, true, true);
+
+        ExportNodes(pNode->GetSubNode(0), nLevel);
+
+        { // Scoping for <mo> creation
+            SvXMLElementExport aMo(*this, XML_NAMESPACE_MATH, XML_MO, true, true);
+            GetDocHandler()->characters(OUStringChar(MS_BACKSLASH));
+        }
+
+        ExportNodes(pNode->GetSubNode(1), nLevel);
+    }
+}
+
+void SmXMLExport::ExportTable(const SmNode* pNode, int nLevel)
+{
+    std::unique_ptr<SvXMLElementExport> pTable;
+
+    size_t nSize = pNode->GetNumSubNodes();
+
+    //If the list ends in newline then the last entry has
+    //no subnodes, the newline is superfluous so we just drop
+    //the last node, inclusion would create a bad MathML
+    //table
+    if (nSize >= 1)
+    {
+        const SmNode* pLine = pNode->GetSubNode(nSize - 1);
+        if (pLine->GetType() == SmNodeType::Line && pLine->GetNumSubNodes() == 1
+            && pLine->GetSubNode(0) != nullptr
+            && pLine->GetSubNode(0)->GetToken().eType == TNEWLINE)
+            --nSize;
+    }
+
+    // try to avoid creating a mtable element when the formula consists only
+    // of a single output line
+    if (nLevel || (nSize > 1))
+        pTable.reset(new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MTABLE, true, true));
+
+    for (size_t i = 0; i < nSize; ++i)
+    {
+        if (const SmNode* pTemp = pNode->GetSubNode(i))
+        {
+            std::unique_ptr<SvXMLElementExport> pRow;
+            std::unique_ptr<SvXMLElementExport> pCell;
+            if (pTable)
+            {
+                pRow.reset(new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MTR, true, true));
+                SmTokenType eAlign = TALIGNC;
+                if (pTemp->GetType() == SmNodeType::Align)
+                {
+                    // For Binom() and Stack() constructions, the SmNodeType::Align nodes
+                    // are direct children.
+                    // binom{alignl ...}{alignr ...} and
+                    // stack{alignl ... ## alignr ... ## ...}
+                    eAlign = pTemp->GetToken().eType;
+                }
+                else if (pTemp->GetType() == SmNodeType::Line && pTemp->GetNumSubNodes() == 1
+                         && pTemp->GetSubNode(0)
+                         && pTemp->GetSubNode(0)->GetType() == SmNodeType::Align)
+                {
+                    // For the Table() construction, the SmNodeType::Align node is a child
+                    // of an SmNodeType::Line node.
+                    // alignl ... newline alignr ... newline ...
+                    eAlign = pTemp->GetSubNode(0)->GetToken().eType;
+                }
+                if (eAlign != TALIGNC)
+                {
+                    // If a left or right alignment is specified on this line,
+                    // attach the corresponding columnalign attribute.
+                    AddAttribute(XML_NAMESPACE_MATH, XML_COLUMNALIGN,
+                                 eAlign == TALIGNL ? XML_LEFT : XML_RIGHT);
+                }
+                pCell.reset(new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MTD, true, true));
+            }
+            ExportNodes(pTemp, nLevel + 1);
+        }
+    }
+}
+
+void SmXMLExport::ExportMath(const SmNode* pNode)
+{
+    const SmTextNode* pTemp = static_cast<const SmTextNode*>(pNode);
+    std::unique_ptr<SvXMLElementExport> pMath;
+
+    if (pNode->GetType() == SmNodeType::Math || pNode->GetType() == SmNodeType::GlyphSpecial)
+    {
+        // Export SmNodeType::Math and SmNodeType::GlyphSpecial symbols as <mo> elements
+        pMath.reset(new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MO, true, false));
+    }
+    else if (pNode->GetType() == SmNodeType::Special)
+    {
+        bool bIsItalic = IsItalic(pNode->GetFont());
+        if (!bIsItalic)
+            AddAttribute(XML_NAMESPACE_MATH, XML_MATHVARIANT, XML_NORMAL);
+        pMath.reset(new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MI, true, false));
+    }
+    else
+    {
+        // Export SmNodeType::MathIdent and SmNodeType::Place symbols as <mi> elements:
+        // - These math symbols should not be drawn slanted. Hence we should
+        // attach a mathvariant="normal" attribute to single-char <mi> elements
+        // that are not mathematical alphanumeric symbol. For simplicity and to
+        // work around browser limitations, we always attach such an attribute.
+        // - The MathML specification suggests to use empty <mi> elements as
+        // placeholders but they won't be visible in most MathML rendering
+        // engines so let's use an empty square for SmNodeType::Place instead.
+        AddAttribute(XML_NAMESPACE_MATH, XML_MATHVARIANT, XML_NORMAL);
+        pMath.reset(new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MI, true, false));
+    }
+    auto nArse = ConvertMathToMathML(pTemp->GetText());
+    OSL_ENSURE(nArse != 0xffff, "Non existent symbol");
+    GetDocHandler()->characters(OUString(&nArse, 1));
+}
+
+void SmXMLExport::ExportText(const SmNode* pNode)
+{
+    std::unique_ptr<SvXMLElementExport> pText;
+    const SmTextNode* pTemp = static_cast<const SmTextNode*>(pNode);
+    switch (pNode->GetToken().eType)
+    {
+        default:
+        case TIDENT:
+        {
+            //Note that we change the fontstyle to italic for strings that
+            //are italic and longer than a single character.
+            bool bIsItalic = IsItalic(pTemp->GetFont());
+            if ((pTemp->GetText().getLength() > 1) && bIsItalic)
+                AddAttribute(XML_NAMESPACE_MATH, XML_MATHVARIANT, XML_ITALIC);
+            else if ((pTemp->GetText().getLength() == 1) && !bIsItalic)
+                AddAttribute(XML_NAMESPACE_MATH, XML_MATHVARIANT, XML_NORMAL);
+            pText.reset(new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MI, true, false));
+            break;
+        }
+        case TNUMBER:
+            pText.reset(new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MN, true, false));
+            break;
+        case TTEXT:
+            pText.reset(new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MTEXT, true, false));
+            break;
+    }
+    GetDocHandler()->characters(pTemp->GetText());
+}
+
+void SmXMLExport::ExportBlank(const SmNode* pNode)
+{
+    const SmBlankNode* pTemp = static_cast<const SmBlankNode*>(pNode);
+    //!! exports an <mspace> element. Note that for example "~_~" is allowed in
+    //!! Math (so it has no sense at all) but must not result in an empty
+    //!! <msub> tag in MathML !!
+
+    if (pTemp->GetBlankNum() != 0)
+    {
+        // Attach a width attribute. We choose the (somewhat arbitrary) values
+        // ".5em" for a small gap '`' and "2em" for a large gap '~'.
+        // (see SmBlankNode::IncreaseBy for how pTemp->mnNum is set).
+        OUStringBuffer sStrBuf;
+        ::sax::Converter::convertDouble(sStrBuf, pTemp->GetBlankNum() * .5);
+        sStrBuf.append("em");
+        AddAttribute(XML_NAMESPACE_MATH, XML_WIDTH, sStrBuf.makeStringAndClear());
+    }
+
+    SvXMLElementExport aTextExport(*this, XML_NAMESPACE_MATH, XML_MSPACE, true, false);
+
+    GetDocHandler()->characters(OUString());
+}
+
+void SmXMLExport::ExportSubSupScript(const SmNode* pNode, int nLevel)
+{
+    const SmNode* pSub = nullptr;
+    const SmNode* pSup = nullptr;
+    const SmNode* pCSub = nullptr;
+    const SmNode* pCSup = nullptr;
+    const SmNode* pLSub = nullptr;
+    const SmNode* pLSup = nullptr;
+    std::unique_ptr<SvXMLElementExport> pThing2;
+
+    //if we have prescripts at all then we must use the tensor notation
+
+    //This is one of those excellent locations where scope is vital to
+    //arrange the construction and destruction of the element helper
+    //classes correctly
+    pLSub = pNode->GetSubNode(LSUB + 1);
+    pLSup = pNode->GetSubNode(LSUP + 1);
+    if (pLSub || pLSup)
+    {
+        SvXMLElementExport aMultiScripts(*this, XML_NAMESPACE_MATH, XML_MMULTISCRIPTS, true, true);
+
+        if (nullptr != (pCSub = pNode->GetSubNode(CSUB + 1))
+            && nullptr != (pCSup = pNode->GetSubNode(CSUP + 1)))
+        {
+            pThing2.reset(
+                new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MUNDEROVER, true, true));
+        }
+        else if (nullptr != (pCSub = pNode->GetSubNode(CSUB + 1)))
+        {
+            pThing2.reset(
+                new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MUNDER, true, true));
+        }
+        else if (nullptr != (pCSup = pNode->GetSubNode(CSUP + 1)))
+        {
+            pThing2.reset(new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MOVER, true, true));
+        }
+
+        ExportNodes(pNode->GetSubNode(0), nLevel + 1); //Main Term
+
+        if (pCSub)
+            ExportNodes(pCSub, nLevel + 1);
+        if (pCSup)
+            ExportNodes(pCSup, nLevel + 1);
+        pThing2.reset();
+
+        pSub = pNode->GetSubNode(RSUB + 1);
+        pSup = pNode->GetSubNode(RSUP + 1);
+        if (pSub || pSup)
+        {
+            if (pSub)
+                ExportNodes(pSub, nLevel + 1);
+            else
+            {
+                SvXMLElementExport aNone(*this, XML_NAMESPACE_MATH, XML_NONE, true, true);
+            }
+            if (pSup)
+                ExportNodes(pSup, nLevel + 1);
+            else
+            {
+                SvXMLElementExport aNone(*this, XML_NAMESPACE_MATH, XML_NONE, true, true);
+            }
+        }
+
+        //Separator element between suffix and prefix sub/sup pairs
+        {
+            SvXMLElementExport aPrescripts(*this, XML_NAMESPACE_MATH, XML_MPRESCRIPTS, true, true);
+        }
+
+        if (pLSub)
+            ExportNodes(pLSub, nLevel + 1);
+        else
+        {
+            SvXMLElementExport aNone(*this, XML_NAMESPACE_MATH, XML_NONE, true, true);
+        }
+        if (pLSup)
+            ExportNodes(pLSup, nLevel + 1);
+        else
+        {
+            SvXMLElementExport aNone(*this, XML_NAMESPACE_MATH, XML_NONE, true, true);
+        }
+    }
+    else
+    {
+        std::unique_ptr<SvXMLElementExport> pThing;
+        if (nullptr != (pSub = pNode->GetSubNode(RSUB + 1))
+            && nullptr != (pSup = pNode->GetSubNode(RSUP + 1)))
+        {
+            pThing.reset(
+                new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MSUBSUP, true, true));
+        }
+        else if (nullptr != (pSub = pNode->GetSubNode(RSUB + 1)))
+        {
+            pThing.reset(new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MSUB, true, true));
+        }
+        else if (nullptr != (pSup = pNode->GetSubNode(RSUP + 1)))
+        {
+            pThing.reset(new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MSUP, true, true));
+        }
+
+        if (nullptr != (pCSub = pNode->GetSubNode(CSUB + 1))
+            && nullptr != (pCSup = pNode->GetSubNode(CSUP + 1)))
+        {
+            pThing2.reset(
+                new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MUNDEROVER, true, true));
+        }
+        else if (nullptr != (pCSub = pNode->GetSubNode(CSUB + 1)))
+        {
+            pThing2.reset(
+                new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MUNDER, true, true));
+        }
+        else if (nullptr != (pCSup = pNode->GetSubNode(CSUP + 1)))
+        {
+            pThing2.reset(new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MOVER, true, true));
+        }
+        ExportNodes(pNode->GetSubNode(0), nLevel + 1); //Main Term
+
+        if (pCSub)
+            ExportNodes(pCSub, nLevel + 1);
+        if (pCSup)
+            ExportNodes(pCSup, nLevel + 1);
+        pThing2.reset();
+
+        if (pSub)
+            ExportNodes(pSub, nLevel + 1);
+        if (pSup)
+            ExportNodes(pSup, nLevel + 1);
+        pThing.reset();
+    }
+}
+
+void SmXMLExport::ExportBrace(const SmNode* pNode, int nLevel)
+{
+    const SmNode* pTemp;
+    const SmNode* pLeft = pNode->GetSubNode(0);
+    const SmNode* pRight = pNode->GetSubNode(2);
+
+    // This used to generate <mfenced> or <mrow>+<mo> elements according to
+    // the stretchiness of fences. The MathML recommendation defines an
+    // <mrow>+<mo> construction that is equivalent to the <mfenced> element:
+    // http://www.w3.org/TR/MathML3/chapter3.html#presm.mfenced
+    // To simplify our code and avoid issues with mfenced implementations in
+    // MathML rendering engines, we now always generate <mrow>+<mo> elements.
+    // See #fdo 66282.
+
+    // <mrow>
+    SvXMLElementExport aRow(*this, XML_NAMESPACE_MATH, XML_MROW, true, true);
+
+    //   <mo fence="true"> opening-fence </mo>
+    if (pLeft && (pLeft->GetToken().eType != TNONE))
+    {
+        AddAttribute(XML_NAMESPACE_MATH, XML_FENCE, XML_TRUE);
+        AddAttribute(XML_NAMESPACE_MATH, XML_FORM, XML_PREFIX);
+        if (pNode->GetScaleMode() == SmScaleMode::Height)
+            AddAttribute(XML_NAMESPACE_MATH, XML_STRETCHY, XML_TRUE);
+        else
+            AddAttribute(XML_NAMESPACE_MATH, XML_STRETCHY, XML_FALSE);
+        ExportNodes(pLeft, nLevel + 1);
+    }
+
+    if (nullptr != (pTemp = pNode->GetSubNode(1)))
+    {
+        // <mrow>
+        SvXMLElementExport aRowExport(*this, XML_NAMESPACE_MATH, XML_MROW, true, true);
+        ExportNodes(pTemp, nLevel + 1);
+        // </mrow>
+    }
+
+    //   <mo fence="true"> closing-fence </mo>
+    if (pRight && (pRight->GetToken().eType != TNONE))
+    {
+        AddAttribute(XML_NAMESPACE_MATH, XML_FENCE, XML_TRUE);
+        AddAttribute(XML_NAMESPACE_MATH, XML_FORM, XML_POSTFIX);
+        if (pNode->GetScaleMode() == SmScaleMode::Height)
+            AddAttribute(XML_NAMESPACE_MATH, XML_STRETCHY, XML_TRUE);
+        else
+            AddAttribute(XML_NAMESPACE_MATH, XML_STRETCHY, XML_FALSE);
+        ExportNodes(pRight, nLevel + 1);
+    }
+
+    // </mrow>
+}
+
+void SmXMLExport::ExportRoot(const SmNode* pNode, int nLevel)
+{
+    if (pNode->GetSubNode(0))
+    {
+        SvXMLElementExport aRoot(*this, XML_NAMESPACE_MATH, XML_MROOT, true, true);
+        ExportNodes(pNode->GetSubNode(2), nLevel + 1);
+        ExportNodes(pNode->GetSubNode(0), nLevel + 1);
+    }
+    else
+    {
+        SvXMLElementExport aSqrt(*this, XML_NAMESPACE_MATH, XML_MSQRT, true, true);
+        ExportNodes(pNode->GetSubNode(2), nLevel + 1);
+    }
+}
+
+void SmXMLExport::ExportOperator(const SmNode* pNode, int nLevel)
+{
+    /*we need to either use content or font and size attributes
+     *here*/
+    SvXMLElementExport aRow(*this, XML_NAMESPACE_MATH, XML_MROW, true, true);
+    ExportNodes(pNode->GetSubNode(0), nLevel + 1);
+    ExportNodes(pNode->GetSubNode(1), nLevel + 1);
+}
+
+void SmXMLExport::ExportAttributes(const SmNode* pNode, int nLevel)
+{
+    std::unique_ptr<SvXMLElementExport> pElement;
+
+    if (pNode->GetToken().eType == TUNDERLINE)
+    {
+        AddAttribute(XML_NAMESPACE_MATH, XML_ACCENTUNDER, XML_TRUE);
+        pElement.reset(new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MUNDER, true, true));
+    }
+    else if (pNode->GetToken().eType == TOVERSTRIKE)
+    {
+        // export as <menclose notation="horizontalstrike">
+        AddAttribute(XML_NAMESPACE_MATH, XML_NOTATION, XML_HORIZONTALSTRIKE);
+        pElement.reset(new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MENCLOSE, true, true));
+    }
+    else
+    {
+        AddAttribute(XML_NAMESPACE_MATH, XML_ACCENT, XML_TRUE);
+        pElement.reset(new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MOVER, true, true));
+    }
+
+    ExportNodes(pNode->GetSubNode(1), nLevel + 1);
+    switch (pNode->GetToken().eType)
+    {
+        case TOVERLINE:
+        {
+            //proper entity support required
+            SvXMLElementExport aMath(*this, XML_NAMESPACE_MATH, XML_MO, true, true);
+            static constexpr OUStringLiteral nArse = u"\u00AF";
+            GetDocHandler()->characters(nArse);
+        }
+        break;
+        case TUNDERLINE:
+        {
+            //proper entity support required
+            SvXMLElementExport aMath(*this, XML_NAMESPACE_MATH, XML_MO, true, true);
+            static constexpr OUStringLiteral nArse = u"\u0332";
+            GetDocHandler()->characters(nArse);
+        }
+        break;
+        case TOVERSTRIKE:
+            break;
+        case TWIDETILDE:
+        case TWIDEHAT:
+        case TWIDEVEC:
+        case TWIDEHARPOON:
+        {
+            // make these wide accents stretchy
+            AddAttribute(XML_NAMESPACE_MATH, XML_STRETCHY, XML_TRUE);
+            ExportNodes(pNode->GetSubNode(0), nLevel + 1);
+        }
+        break;
+        default:
+            ExportNodes(pNode->GetSubNode(0), nLevel + 1);
+            break;
+    }
+}
+
+static bool lcl_HasEffectOnMathvariant(const SmTokenType eType)
+{
+    return eType == TBOLD || eType == TNBOLD || eType == TITALIC || eType == TNITALIC
+           || eType == TSANS || eType == TSERIF || eType == TFIXED;
+}
+
+void SmXMLExport::ExportFont(const SmNode* pNode, int nLevel)
+{
+    // gather the mathvariant attribute relevant data from all
+    // successively following SmFontNodes...
+
+    int nBold = -1; // for the following variables: -1 = yet undefined; 0 = false; 1 = true;
+    int nItalic = -1; // for the following variables: -1 = yet undefined; 0 = false; 1 = true;
+    int nSansSerifFixed = -1;
+    SmTokenType eNodeType = TUNKNOWN;
+
+    for (;;)
+    {
+        eNodeType = pNode->GetToken().eType;
+        if (!lcl_HasEffectOnMathvariant(eNodeType))
+            break;
+        switch (eNodeType)
+        {
+            case TBOLD:
+                nBold = 1;
+                break;
+            case TNBOLD:
+                nBold = 0;
+                break;
+            case TITALIC:
+                nItalic = 1;
+                break;
+            case TNITALIC:
+                nItalic = 0;
+                break;
+            case TSANS:
+                nSansSerifFixed = 0;
+                break;
+            case TSERIF:
+                nSansSerifFixed = 1;
+                break;
+            case TFIXED:
+                nSansSerifFixed = 2;
+                break;
+            default:
+                SAL_WARN("starmath", "unexpected case");
+        }
+        // According to the parser every node that is to be evaluated here
+        // has a single non-zero subnode at index 1!! Thus we only need to check
+        // that single node for follow-up nodes that have an effect on the attribute.
+        if (pNode->GetNumSubNodes() > 1 && pNode->GetSubNode(1)
+            && lcl_HasEffectOnMathvariant(pNode->GetSubNode(1)->GetToken().eType))
+        {
+            pNode = pNode->GetSubNode(1);
+        }
+        else
+            break;
+    }
+
+    sal_uInt32 nc;
+    switch (pNode->GetToken().eType)
+    {
+        case TPHANTOM:
+            // No attribute needed. An <mphantom> element will be used below.
+            break;
+        case TMATHMLCOL:
+        {
+            nc = pNode->GetToken().cMathChar.toUInt32(16);
+            const OUString& sssStr = starmathdatabase::Identify_Color_MATHML(nc).aIdent;
+            AddAttribute(XML_NAMESPACE_MATH, XML_MATHCOLOR, sssStr);
+        }
+        break;
+        case TRGB:
+        case TRGBA:
+        case THEX:
+        case THTMLCOL:
+        case TDVIPSNAMESCOL:
+        case TICONICCOL:
+        {
+            nc = pNode->GetToken().cMathChar.toUInt32(16);
+            OUString ssStr("#" + Color(ColorTransparency, nc).AsRGBHEXString());
+            AddAttribute(XML_NAMESPACE_MATH, XML_MATHCOLOR, ssStr);
+        }
+        break;
+        case TSIZE:
+        {
+            const SmFontNode* pFontNode = static_cast<const SmFontNode*>(pNode);
+            const Fraction& aFrac = pFontNode->GetSizeParameter();
+
+            OUStringBuffer sStrBuf;
+            switch (pFontNode->GetSizeType())
+            {
+                case FontSizeType::MULTIPLY:
+                    ::sax::Converter::convertDouble(sStrBuf,
+                                                    static_cast<double>(aFrac * Fraction(100, 1)));
+                    sStrBuf.append('%');
+                    break;
+                case FontSizeType::DIVIDE:
+                    ::sax::Converter::convertDouble(sStrBuf,
+                                                    static_cast<double>(Fraction(100, 1) / aFrac));
+                    sStrBuf.append('%');
+                    break;
+                case FontSizeType::ABSOLUT:
+                    ::sax::Converter::convertDouble(sStrBuf, static_cast<double>(aFrac));
+                    sStrBuf.append(GetXMLToken(XML_UNIT_PT));
+                    break;
+                default:
+                {
+                    //The problem here is that the wheels fall off because
+                    //font size is stored in 100th's of a mm not pts, and
+                    //rounding errors take their toll on the original
+                    //value specified in points.
+
+                    //Must fix StarMath to retain the original pt values
+                    double mytest
+                        = o3tl::convert<double>(pFontNode->GetFont().GetFontSize().Height(),
+                                                SmO3tlLengthUnit(), o3tl::Length::pt);
+
+                    if (pFontNode->GetSizeType() == FontSizeType::MINUS)
+                        mytest -= static_cast<double>(aFrac);
+                    else
+                        mytest += static_cast<double>(aFrac);
+
+                    mytest = ::rtl::math::round(mytest, 1);
+                    ::sax::Converter::convertDouble(sStrBuf, mytest);
+                    sStrBuf.append(GetXMLToken(XML_UNIT_PT));
+                }
+                break;
+            }
+
+            OUString sStr(sStrBuf.makeStringAndClear());
+            AddAttribute(XML_NAMESPACE_MATH, XML_MATHSIZE, sStr);
+        }
+        break;
+        case TBOLD:
+        case TITALIC:
+        case TNBOLD:
+        case TNITALIC:
+        case TFIXED:
+        case TSANS:
+        case TSERIF:
+        {
+            // nBold:   -1 = yet undefined; 0 = false; 1 = true;
+            // nItalic: -1 = yet undefined; 0 = false; 1 = true;
+            // nSansSerifFixed: -1 = undefined; 0 = sans; 1 = serif; 2 = fixed;
+            const char* pText = "normal";
+            if (nSansSerifFixed == -1 || nSansSerifFixed == 1)
+            {
+                pText = "normal";
+                if (nBold == 1 && nItalic != 1)
+                    pText = "bold";
+                else if (nBold != 1 && nItalic == 1)
+                    pText = "italic";
+                else if (nBold == 1 && nItalic == 1)
+                    pText = "bold-italic";
+            }
+            else if (nSansSerifFixed == 0)
+            {
+                pText = "sans-serif";
+                if (nBold == 1 && nItalic != 1)
+                    pText = "bold-sans-serif";
+                else if (nBold != 1 && nItalic == 1)
+                    pText = "sans-serif-italic";
+                else if (nBold == 1 && nItalic == 1)
+                    pText = "sans-serif-bold-italic";
+            }
+            else if (nSansSerifFixed == 2)
+                pText = "monospace"; // no modifiers allowed for monospace ...
+            else
+            {
+                SAL_WARN("starmath", "unexpected case");
+            }
+            AddAttribute(XML_NAMESPACE_MATH, XML_MATHVARIANT, OUString::createFromAscii(pText));
+        }
+        break;
+        default:
+            break;
+    }
+    {
+        // Wrap everything in an <mphantom> or <mstyle> element. These elements
+        // are mrow-like, so ExportExpression doesn't need to add an explicit
+        // <mrow> element. See #fdo 66283.
+        SvXMLElementExport aElement(*this, XML_NAMESPACE_MATH,
+                                    pNode->GetToken().eType == TPHANTOM ? XML_MPHANTOM : XML_MSTYLE,
+                                    true, true);
+        ExportExpression(pNode, nLevel, true);
+    }
+}
+
+void SmXMLExport::ExportVerticalBrace(const SmVerticalBraceNode* pNode, int nLevel)
+{
+    // "[body] overbrace [script]"
+
+    // Position body, overbrace and script vertically. First place the overbrace
+    // OVER the body and then the script OVER this expression.
+
+    //      [script]
+    //   --[overbrace]--
+    // XXXXXX[body]XXXXXXX
+
+    // Similarly for the underbrace construction.
+
+    XMLTokenEnum which;
+
+    switch (pNode->GetToken().eType)
+    {
+        case TOVERBRACE:
+        default:
+            which = XML_MOVER;
+            break;
+        case TUNDERBRACE:
+            which = XML_MUNDER;
+            break;
+    }
+
+    SvXMLElementExport aOver1(*this, XML_NAMESPACE_MATH, which, true, true);
+    { //Scoping
+        // using accents will draw the over-/underbraces too close to the base
+        // see http://www.w3.org/TR/MathML2/chapter3.html#id.3.4.5.2
+        // also XML_ACCENT is illegal with XML_MUNDER. Thus no XML_ACCENT attribute here!
+        SvXMLElementExport aOver2(*this, XML_NAMESPACE_MATH, which, true, true);
+        ExportNodes(pNode->Body(), nLevel);
+        AddAttribute(XML_NAMESPACE_MATH, XML_STRETCHY, XML_TRUE);
+        ExportNodes(pNode->Brace(), nLevel);
+    }
+    ExportNodes(pNode->Script(), nLevel);
+}
+
+void SmXMLExport::ExportMatrix(const SmNode* pNode, int nLevel)
+{
+    SvXMLElementExport aTable(*this, XML_NAMESPACE_MATH, XML_MTABLE, true, true);
+    const SmMatrixNode* pMatrix = static_cast<const SmMatrixNode*>(pNode);
+    size_t i = 0;
+    for (sal_uInt16 y = 0; y < pMatrix->GetNumRows(); y++)
+    {
+        SvXMLElementExport aRow(*this, XML_NAMESPACE_MATH, XML_MTR, true, true);
+        for (sal_uInt16 x = 0; x < pMatrix->GetNumCols(); x++)
+        {
+            if (const SmNode* pTemp = pNode->GetSubNode(i++))
+            {
+                if (pTemp->GetType() == SmNodeType::Align && pTemp->GetToken().eType != TALIGNC)
+                {
+                    // A left or right alignment is specified on this cell,
+                    // attach the corresponding columnalign attribute.
+                    AddAttribute(XML_NAMESPACE_MATH, XML_COLUMNALIGN,
+                                 pTemp->GetToken().eType == TALIGNL ? XML_LEFT : XML_RIGHT);
+                }
+                SvXMLElementExport aCell(*this, XML_NAMESPACE_MATH, XML_MTD, true, true);
+                ExportNodes(pTemp, nLevel + 1);
+            }
+        }
+    }
+}
+
+void SmXMLExport::ExportNodes(const SmNode* pNode, int nLevel)
+{
+    if (!pNode)
+        return;
+    switch (pNode->GetType())
+    {
+        case SmNodeType::Table:
+            ExportTable(pNode, nLevel);
+            break;
+        case SmNodeType::Align:
+        case SmNodeType::Bracebody:
+        case SmNodeType::Expression:
+            ExportExpression(pNode, nLevel);
+            break;
+        case SmNodeType::Line:
+            ExportLine(pNode, nLevel);
+            break;
+        case SmNodeType::Text:
+            ExportText(pNode);
+            break;
+        case SmNodeType::GlyphSpecial:
+        case SmNodeType::Math:
+        {
+            const SmTextNode* pTemp = static_cast<const SmTextNode*>(pNode);
+            if (pTemp->GetText().isEmpty())
+            {
+                // no conversion to MathML implemented -> export it as text
+                // thus at least it will not vanish into nothing
+                ExportText(pNode);
+            }
+            else
+            {
+                switch (pNode->GetToken().eType)
+                {
+                    case TINTD:
+                        AddAttribute(XML_NAMESPACE_MATH, XML_STRETCHY, XML_TRUE);
+                        break;
+                    default:
+                        break;
+                }
+                //To fully handle generic MathML we need to implement the full
+                //operator dictionary, we will generate MathML with explicit
+                //stretchiness for now.
+                sal_Int16 nLength = GetAttrList().getLength();
+                bool bAddStretch = true;
+                for (sal_Int16 i = 0; i < nLength; i++)
+                {
+                    OUString sLocalName;
+                    sal_uInt16 nPrefix = GetNamespaceMap().GetKeyByAttrName(
+                        GetAttrList().getNameByIndex(i), &sLocalName);
+
+                    if ((XML_NAMESPACE_MATH == nPrefix) && IsXMLToken(sLocalName, XML_STRETCHY))
+                    {
+                        bAddStretch = false;
+                        break;
+                    }
+                }
+                if (bAddStretch)
+                {
+                    AddAttribute(XML_NAMESPACE_MATH, XML_STRETCHY, XML_FALSE);
+                }
+                ExportMath(pNode);
+            }
+        }
+        break;
+        case SmNodeType::
+            Special: //SmNodeType::Special requires some sort of Entity preservation in the XML engine.
+        case SmNodeType::MathIdent:
+        case SmNodeType::Place:
+            ExportMath(pNode);
+            break;
+        case SmNodeType::BinHor:
+            ExportBinaryHorizontal(pNode, nLevel);
+            break;
+        case SmNodeType::UnHor:
+            ExportUnaryHorizontal(pNode, nLevel);
+            break;
+        case SmNodeType::Brace:
+            ExportBrace(pNode, nLevel);
+            break;
+        case SmNodeType::BinVer:
+            ExportBinaryVertical(pNode, nLevel);
+            break;
+        case SmNodeType::BinDiagonal:
+            ExportBinaryDiagonal(pNode, nLevel);
+            break;
+        case SmNodeType::SubSup:
+            ExportSubSupScript(pNode, nLevel);
+            break;
+        case SmNodeType::Root:
+            ExportRoot(pNode, nLevel);
+            break;
+        case SmNodeType::Oper:
+            ExportOperator(pNode, nLevel);
+            break;
+        case SmNodeType::Attribute:
+            ExportAttributes(pNode, nLevel);
+            break;
+        case SmNodeType::Font:
+            ExportFont(pNode, nLevel);
+            break;
+        case SmNodeType::VerticalBrace:
+            ExportVerticalBrace(static_cast<const SmVerticalBraceNode*>(pNode), nLevel);
+            break;
+        case SmNodeType::Matrix:
+            ExportMatrix(pNode, nLevel);
+            break;
+        case SmNodeType::Blank:
+            ExportBlank(pNode);
+            break;
+        default:
+            SAL_WARN("starmath", "Warning: failed to export a node?");
+            break;
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/mathml/mathmlimport.cxx b/starmath/source/mathml/mathmlimport.cxx
new file mode 100644
index 0000000000..7bc3e5b913
--- /dev/null
+++ b/starmath/source/mathml/mathmlimport.cxx
@@ -0,0 +1,2673 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+/*todo: Change characters and tcharacters to accumulate the characters together
+into one string, xml parser hands them to us line by line rather than all in
+one go*/
+
+#include <com/sun/star/xml/sax/InputSource.hpp>
+#include <com/sun/star/xml/sax/FastParser.hpp>
+#include <com/sun/star/xml/sax/Parser.hpp>
+#include <com/sun/star/xml/sax/SAXParseException.hpp>
+#include <com/sun/star/document/XDocumentPropertiesSupplier.hpp>
+#include <com/sun/star/packages/WrongPasswordException.hpp>
+#include <com/sun/star/packages/zip/ZipIOException.hpp>
+#include <com/sun/star/beans/PropertyAttribute.hpp>
+#include <com/sun/star/embed/ElementModes.hpp>
+#include <com/sun/star/uno/Any.h>
+#include <com/sun/star/task/XStatusIndicator.hpp>
+
+#include <comphelper/fileformat.h>
+#include <comphelper/genericpropertyset.hxx>
+#include <comphelper/processfactory.hxx>
+#include <comphelper/servicehelper.hxx>
+#include <comphelper/propertysetinfo.hxx>
+#include <rtl/character.hxx>
+#include <sal/log.hxx>
+#include <sfx2/frame.hxx>
+#include <sfx2/docfile.hxx>
+#include <sfx2/sfxsids.hrc>
+#include <sfx2/sfxmodelfactory.hxx>
+#include <osl/diagnose.h>
+#include <sot/storage.hxx>
+#include <svtools/sfxecode.hxx>
+#include <svl/itemset.hxx>
+#include <svl/stritem.hxx>
+#include <unotools/streamwrap.hxx>
+#include <sax/tools/converter.hxx>
+#include <xmloff/DocumentSettingsContext.hxx>
+#include <xmloff/xmlnamespace.hxx>
+#include <xmloff/xmltoken.hxx>
+#include <xmloff/xmluconv.hxx>
+#include <xmloff/xmlmetai.hxx>
+#include <svx/dialmgr.hxx>
+#include <svx/strings.hrc>
+#include <comphelper/diagnose_ex.hxx>
+#include <o3tl/string_view.hxx>
+
+#include <mathmlattr.hxx>
+#include <xparsmlbase.hxx>
+#include <mathmlimport.hxx>
+#include <document.hxx>
+#include <smdll.hxx>
+#include <unomodel.hxx>
+#include <utility.hxx>
+#include <visitors.hxx>
+#include <starmathdatabase.hxx>
+#include <smmod.hxx>
+#include <cfgitem.hxx>
+
+using namespace ::com::sun::star::beans;
+using namespace ::com::sun::star::container;
+using namespace ::com::sun::star::document;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star;
+using namespace ::xmloff::token;
+
+namespace
+{
+std::unique_ptr<SmNode> popOrZero(SmNodeStack& rStack)
+{
+    if (rStack.empty())
+        return nullptr;
+    auto pTmp = std::move(rStack.front());
+    rStack.pop_front();
+    return pTmp;
+}
+}
+
+ErrCode SmXMLImportWrapper::Import(SfxMedium& rMedium)
+{
+    ErrCode nError = ERRCODE_SFX_DOLOADFAILED;
+
+    uno::Reference<uno::XComponentContext> xContext(comphelper::getProcessComponentContext());
+
+    OSL_ENSURE(m_xModel.is(), "XMLReader::Read: got no model");
+
+    // try to get an XStatusIndicator from the Medium
+    uno::Reference<task::XStatusIndicator> xStatusIndicator;
+
+    bool bEmbedded = false;
+    SmModel* pModel = m_xModel.get();
+
+    SmDocShell* pDocShell = pModel ? static_cast<SmDocShell*>(pModel->GetObjectShell()) : nullptr;
+    if (pDocShell)
+    {
+        OSL_ENSURE(pDocShell->GetMedium() == &rMedium, "different SfxMedium found");
+
+        const SfxUnoAnyItem* pItem = rMedium.GetItemSet().GetItem(SID_PROGRESS_STATUSBAR_CONTROL);
+        if (pItem)
+            pItem->GetValue() >>= xStatusIndicator;
+
+        if (SfxObjectCreateMode::EMBEDDED == pDocShell->GetCreateMode())
+            bEmbedded = true;
+    }
+
+    static const comphelper::PropertyMapEntry aInfoMap[]
+        = { { OUString("PrivateData"), 0, cppu::UnoType<XInterface>::get(),
+              beans::PropertyAttribute::MAYBEVOID, 0 },
+            { OUString("BaseURI"), 0, ::cppu::UnoType<OUString>::get(),
+              beans::PropertyAttribute::MAYBEVOID, 0 },
+            { OUString("StreamRelPath"), 0, ::cppu::UnoType<OUString>::get(),
+              beans::PropertyAttribute::MAYBEVOID, 0 },
+            { OUString("StreamName"), 0, ::cppu::UnoType<OUString>::get(),
+              beans::PropertyAttribute::MAYBEVOID, 0 } };
+    uno::Reference<beans::XPropertySet> xInfoSet(
+        comphelper::GenericPropertySet_CreateInstance(new comphelper::PropertySetInfo(aInfoMap)));
+
+    // Set base URI
+    OUString const baseURI(rMedium.GetBaseURL());
+    // needed for relative URLs; but it's OK to import e.g. MathML from the
+    // clipboard without one
+    SAL_INFO_IF(baseURI.isEmpty(), "starmath", "SmXMLImportWrapper: no base URL");
+    xInfoSet->setPropertyValue("BaseURI", Any(baseURI));
+
+    sal_Int32 nSteps = 3;
+    if (!(rMedium.IsStorage()))
+        nSteps = 1;
+
+    sal_Int32 nProgressRange(nSteps);
+    if (xStatusIndicator.is())
+    {
+        xStatusIndicator->start(SvxResId(RID_SVXSTR_DOC_LOAD), nProgressRange);
+    }
+
+    nSteps = 0;
+    if (xStatusIndicator.is())
+        xStatusIndicator->setValue(nSteps++);
+
+    if (rMedium.IsStorage())
+    {
+        // TODO/LATER: handle the case of embedded links gracefully
+        if (bEmbedded) // && !rMedium.GetStorage()->IsRoot() )
+        {
+            OUString aName("dummyObjName");
+            const SfxStringItem* pDocHierarchItem
+                = rMedium.GetItemSet().GetItem(SID_DOC_HIERARCHICALNAME);
+            if (pDocHierarchItem)
+                aName = pDocHierarchItem->GetValue();
+
+            if (!aName.isEmpty())
+            {
+                xInfoSet->setPropertyValue("StreamRelPath", Any(aName));
+            }
+        }
+
+        bool bOASIS = (SotStorage::GetVersion(rMedium.GetStorage()) > SOFFICE_FILEFORMAT_60);
+        if (xStatusIndicator.is())
+            xStatusIndicator->setValue(nSteps++);
+
+        auto nWarn
+            = ReadThroughComponent(rMedium.GetStorage(), m_xModel, "meta.xml", xContext, xInfoSet,
+                                   (bOASIS ? "com.sun.star.comp.Math.XMLOasisMetaImporter"
+                                           : "com.sun.star.comp.Math.XMLMetaImporter"),
+                                   m_bUseHTMLMLEntities);
+
+        if (nWarn != ERRCODE_IO_BROKENPACKAGE)
+        {
+            if (xStatusIndicator.is())
+                xStatusIndicator->setValue(nSteps++);
+
+            nWarn = ReadThroughComponent(rMedium.GetStorage(), m_xModel, "settings.xml", xContext,
+                                         xInfoSet,
+                                         (bOASIS ? "com.sun.star.comp.Math.XMLOasisSettingsImporter"
+                                                 : "com.sun.star.comp.Math.XMLSettingsImporter"),
+                                         m_bUseHTMLMLEntities);
+
+            if (nWarn != ERRCODE_IO_BROKENPACKAGE)
+            {
+                if (xStatusIndicator.is())
+                    xStatusIndicator->setValue(nSteps++);
+
+                nError = ReadThroughComponent(
+                    rMedium.GetStorage(), m_xModel, "content.xml", xContext, xInfoSet,
+                    "com.sun.star.comp.Math.XMLImporter", m_bUseHTMLMLEntities);
+            }
+            else
+                nError = ERRCODE_IO_BROKENPACKAGE;
+        }
+        else
+            nError = ERRCODE_IO_BROKENPACKAGE;
+    }
+    else
+    {
+        Reference<io::XInputStream> xInputStream
+            = new utl::OInputStreamWrapper(rMedium.GetInStream());
+
+        if (xStatusIndicator.is())
+            xStatusIndicator->setValue(nSteps++);
+
+        nError = ReadThroughComponent(xInputStream, m_xModel, xContext, xInfoSet,
+                                      "com.sun.star.comp.Math.XMLImporter", false,
+                                      m_bUseHTMLMLEntities);
+    }
+
+    if (xStatusIndicator.is())
+        xStatusIndicator->end();
+    return nError;
+}
+
+/// read a component (file + filter version)
+ErrCode SmXMLImportWrapper::ReadThroughComponent(const Reference<io::XInputStream>& xInputStream,
+                                                 const Reference<XComponent>& xModelComponent,
+                                                 Reference<uno::XComponentContext> const& rxContext,
+                                                 Reference<beans::XPropertySet> const& rPropSet,
+                                                 const char* pFilterName, bool bEncrypted,
+                                                 bool bUseHTMLMLEntities)
+{
+    ErrCode nError = ERRCODE_SFX_DOLOADFAILED;
+    OSL_ENSURE(xInputStream.is(), "input stream missing");
+    OSL_ENSURE(xModelComponent.is(), "document missing");
+    OSL_ENSURE(rxContext.is(), "factory missing");
+    OSL_ENSURE(nullptr != pFilterName, "I need a service name for the component!");
+
+    // prepare ParserInputSource
+    xml::sax::InputSource aParserInput;
+    aParserInput.aInputStream = xInputStream;
+
+    Sequence<Any> aArgs{ Any(rPropSet) };
+
+    // get filter
+    Reference<XInterface> xFilter
+        = rxContext->getServiceManager()->createInstanceWithArgumentsAndContext(
+            OUString::createFromAscii(pFilterName), aArgs, rxContext);
+    SAL_WARN_IF(!xFilter, "starmath", "Can't instantiate filter component " << pFilterName);
+    if (!xFilter.is())
+        return nError;
+
+    // connect model and filter
+    Reference<XImporter> xImporter(xFilter, UNO_QUERY);
+    xImporter->setTargetDocument(xModelComponent);
+
+    // finally, parser the stream
+    try
+    {
+        Reference<css::xml::sax::XFastParser> xFastParser(xFilter, UNO_QUERY);
+        Reference<css::xml::sax::XFastDocumentHandler> xFastDocHandler(xFilter, UNO_QUERY);
+        if (xFastParser)
+        {
+            if (bUseHTMLMLEntities)
+                xFastParser->setCustomEntityNames(starmathdatabase::icustomMathmlHtmlEntities);
+            xFastParser->parseStream(aParserInput);
+        }
+        else if (xFastDocHandler)
+        {
+            Reference<css::xml::sax::XFastParser> xParser
+                = css::xml::sax::FastParser::create(rxContext);
+            if (bUseHTMLMLEntities)
+                xParser->setCustomEntityNames(starmathdatabase::icustomMathmlHtmlEntities);
+            xParser->setFastDocumentHandler(xFastDocHandler);
+            xParser->parseStream(aParserInput);
+        }
+        else
+        {
+            Reference<css::xml::sax::XDocumentHandler> xDocHandler(xFilter, UNO_QUERY);
+            assert(xDocHandler);
+            Reference<css::xml::sax::XParser> xParser = css::xml::sax::Parser::create(rxContext);
+            xParser->setDocumentHandler(xDocHandler);
+            xParser->parseStream(aParserInput);
+        }
+
+        auto pFilter = dynamic_cast<SmXMLImport*>(xFilter.get());
+        if (pFilter && pFilter->GetSuccess())
+            nError = ERRCODE_NONE;
+    }
+    catch (const xml::sax::SAXParseException& r)
+    {
+        // sax parser sends wrapped exceptions,
+        // try to find the original one
+        xml::sax::SAXException aSaxEx = *static_cast<const xml::sax::SAXException*>(&r);
+        bool bTryChild = true;
+
+        while (bTryChild)
+        {
+            xml::sax::SAXException aTmp;
+            if (aSaxEx.WrappedException >>= aTmp)
+                aSaxEx = aTmp;
+            else
+                bTryChild = false;
+        }
+
+        packages::zip::ZipIOException aBrokenPackage;
+        if (aSaxEx.WrappedException >>= aBrokenPackage)
+            return ERRCODE_IO_BROKENPACKAGE;
+
+        if (bEncrypted)
+            nError = ERRCODE_SFX_WRONGPASSWORD;
+    }
+    catch (const xml::sax::SAXException& r)
+    {
+        packages::zip::ZipIOException aBrokenPackage;
+        if (r.WrappedException >>= aBrokenPackage)
+            return ERRCODE_IO_BROKENPACKAGE;
+
+        if (bEncrypted)
+            nError = ERRCODE_SFX_WRONGPASSWORD;
+    }
+    catch (const packages::zip::ZipIOException&)
+    {
+        nError = ERRCODE_IO_BROKENPACKAGE;
+    }
+    catch (const io::IOException&)
+    {
+    }
+    catch (const std::range_error&)
+    {
+    }
+
+    return nError;
+}
+
+ErrCode SmXMLImportWrapper::ReadThroughComponent(const uno::Reference<embed::XStorage>& xStorage,
+                                                 const Reference<XComponent>& xModelComponent,
+                                                 const char* pStreamName,
+                                                 Reference<uno::XComponentContext> const& rxContext,
+                                                 Reference<beans::XPropertySet> const& rPropSet,
+                                                 const char* pFilterName, bool bUseHTMLMLEntities)
+{
+    OSL_ENSURE(xStorage.is(), "Need storage!");
+    OSL_ENSURE(nullptr != pStreamName, "Please, please, give me a name!");
+
+    // open stream (and set parser input)
+    OUString sStreamName = OUString::createFromAscii(pStreamName);
+
+    // get input stream
+    try
+    {
+        uno::Reference<io::XStream> xEventsStream
+            = xStorage->openStreamElement(sStreamName, embed::ElementModes::READ);
+
+        // determine if stream is encrypted or not
+        uno::Reference<beans::XPropertySet> xProps(xEventsStream, uno::UNO_QUERY);
+        Any aAny = xProps->getPropertyValue("Encrypted");
+        bool bEncrypted = false;
+        if (aAny.getValueType() == cppu::UnoType<bool>::get())
+            aAny >>= bEncrypted;
+
+        // set Base URL
+        if (rPropSet.is())
+        {
+            rPropSet->setPropertyValue("StreamName", Any(sStreamName));
+        }
+
+        Reference<io::XInputStream> xStream = xEventsStream->getInputStream();
+        return ReadThroughComponent(xStream, xModelComponent, rxContext, rPropSet, pFilterName,
+                                    bEncrypted, bUseHTMLMLEntities);
+    }
+    catch (packages::WrongPasswordException&)
+    {
+        return ERRCODE_SFX_WRONGPASSWORD;
+    }
+    catch (packages::zip::ZipIOException&)
+    {
+        return ERRCODE_IO_BROKENPACKAGE;
+    }
+    catch (uno::Exception&)
+    {
+    }
+
+    return ERRCODE_SFX_DOLOADFAILED;
+}
+
+SmXMLImport::SmXMLImport(const css::uno::Reference<css::uno::XComponentContext>& rContext,
+                         OUString const& implementationName, SvXMLImportFlags nImportFlags)
+    : SvXMLImport(rContext, implementationName, nImportFlags)
+    , bSuccess(false)
+    , nParseDepth(0)
+    , mnSmSyntaxVersion(SM_MOD()->GetConfig()->GetDefaultSmSyntaxVersion())
+{
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT uno::XInterface*
+Math_XMLImporter_get_implementation(uno::XComponentContext* pCtx,
+                                    uno::Sequence<uno::Any> const& /*rSeq*/)
+{
+    return cppu::acquire(
+        new SmXMLImport(pCtx, "com.sun.star.comp.Math.XMLImporter", SvXMLImportFlags::ALL));
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT uno::XInterface*
+Math_XMLOasisMetaImporter_get_implementation(uno::XComponentContext* pCtx,
+                                             uno::Sequence<uno::Any> const& /*rSeq*/)
+{
+    return cppu::acquire(new SmXMLImport(pCtx, "com.sun.star.comp.Math.XMLOasisMetaImporter",
+                                         SvXMLImportFlags::META));
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT uno::XInterface*
+Math_XMLOasisSettingsImporter_get_implementation(uno::XComponentContext* pCtx,
+                                                 uno::Sequence<uno::Any> const& /*rSeq*/)
+{
+    return cppu::acquire(new SmXMLImport(pCtx, "com.sun.star.comp.Math.XMLOasisSettingsImporter",
+                                         SvXMLImportFlags::SETTINGS));
+}
+
+void SmXMLImport::endDocument()
+{
+    //Set the resulted tree into the SmDocShell where it belongs
+    std::unique_ptr<SmNode> pTree = popOrZero(aNodeStack);
+    if (pTree && pTree->GetType() == SmNodeType::Table)
+    {
+        uno::Reference<frame::XModel> xModel = GetModel();
+        SmModel* pModel = dynamic_cast<SmModel*>(xModel.get());
+
+        if (pModel)
+        {
+            SmDocShell* pDocShell = static_cast<SmDocShell*>(pModel->GetObjectShell());
+            auto pTreeTmp = pTree.get();
+            pDocShell->SetFormulaTree(static_cast<SmTableNode*>(pTree.release()));
+            if (aText.isEmpty()) //If we picked up no annotation text
+            {
+                // Get text from imported formula
+                SmNodeToTextVisitor tmpvisitor(pTreeTmp, aText);
+            }
+
+            // Convert symbol names
+            AbstractSmParser* rParser = pDocShell->GetParser();
+            bool bVal = rParser->IsImportSymbolNames();
+            rParser->SetImportSymbolNames(true);
+            auto pTmpTree = rParser->Parse(aText);
+            aText = rParser->GetText();
+            pTmpTree.reset();
+            rParser->SetImportSymbolNames(bVal);
+
+            pDocShell->SetText(aText);
+            pDocShell->SetSmSyntaxVersion(mnSmSyntaxVersion);
+        }
+        OSL_ENSURE(pModel, "So there *was* a UNO problem after all");
+
+        bSuccess = true;
+    }
+
+    SvXMLImport::endDocument();
+}
+
+namespace
+{
+class SmXMLImportContext : public SvXMLImportContext
+{
+public:
+    SmXMLImportContext(SmXMLImport& rImport)
+        : SvXMLImportContext(rImport)
+    {
+        GetSmImport().IncParseDepth();
+    }
+
+    virtual ~SmXMLImportContext() override { GetSmImport().DecParseDepth(); }
+
+    SmXMLImport& GetSmImport() { return static_cast<SmXMLImport&>(GetImport()); }
+
+    virtual void TCharacters(const OUString& /*rChars*/);
+    virtual void SAL_CALL characters(const OUString& rChars) override;
+    virtual void SAL_CALL startFastElement(
+        sal_Int32 /*nElement*/,
+        const css::uno::Reference<css::xml::sax::XFastAttributeList>& /*rAttrList*/) override
+    {
+        if (GetSmImport().TooDeep())
+            throw std::range_error("too deep");
+    }
+};
+}
+
+void SmXMLImportContext::TCharacters(const OUString& /*rChars*/) {}
+
+void SmXMLImportContext::characters(const OUString& rChars)
+{
+    /*
+    Whitespace occurring within the content of token elements is "trimmed"
+    from the ends (i.e. all whitespace at the beginning and end of the
+    content is removed), and "collapsed" internally (i.e. each sequence of
+    1 or more whitespace characters is replaced with one blank character).
+    */
+    //collapsing not done yet!
+    const OUString& rChars2 = rChars.trim();
+    if (!rChars2.isEmpty())
+        TCharacters(rChars2 /*.collapse()*/);
+}
+
+namespace
+{
+struct SmXMLContext_Helper
+{
+    sal_Int8 nIsBold;
+    sal_Int8 nIsItalic;
+    double nFontSize;
+    OUString sFontFamily;
+    OUString sColor;
+
+    SmXMLImportContext& rContext;
+
+    explicit SmXMLContext_Helper(SmXMLImportContext& rImport)
+        : nIsBold(-1)
+        , nIsItalic(-1)
+        , nFontSize(0.0)
+        , rContext(rImport)
+    {
+    }
+
+    bool IsFontNodeNeeded() const;
+    void RetrieveAttrs(const uno::Reference<xml::sax::XFastAttributeList>& xAttrList);
+    void ApplyAttrs();
+};
+}
+
+bool SmXMLContext_Helper::IsFontNodeNeeded() const
+{
+    return nIsBold != -1 || nIsItalic != -1 || nFontSize != 0.0 || !sFontFamily.isEmpty()
+           || !sColor.isEmpty();
+}
+
+void SmXMLContext_Helper::RetrieveAttrs(
+    const uno::Reference<xml::sax::XFastAttributeList>& xAttrList)
+{
+    bool bMvFound = false;
+    for (auto& aIter : sax_fastparser::castToFastAttributeList(xAttrList))
+    {
+        // sometimes they have namespace, sometimes not?
+        switch (aIter.getToken() & TOKEN_MASK)
+        {
+            case XML_FONTWEIGHT:
+                nIsBold = sal_Int8(IsXMLToken(aIter, XML_BOLD));
+                break;
+            case XML_FONTSTYLE:
+                nIsItalic = sal_Int8(IsXMLToken(aIter, XML_ITALIC));
+                break;
+            case XML_FONTSIZE:
+            case XML_MATHSIZE:
+            {
+                OUString sValue = aIter.toString();
+                ::sax::Converter::convertDouble(nFontSize, sValue);
+                rContext.GetSmImport().GetMM100UnitConverter().SetXMLMeasureUnit(
+                    util::MeasureUnit::POINT);
+                if (-1 == sValue.indexOf(GetXMLToken(XML_UNIT_PT)))
+                {
+                    if (-1 == sValue.indexOf('%'))
+                        nFontSize = 0.0;
+                    else
+                    {
+                        rContext.GetSmImport().GetMM100UnitConverter().SetXMLMeasureUnit(
+                            util::MeasureUnit::PERCENT);
+                    }
+                }
+                break;
+            }
+            case XML_FONTFAMILY:
+                sFontFamily = aIter.toString();
+                break;
+            case XML_COLOR:
+                sColor = aIter.toString();
+                break;
+            case XML_MATHCOLOR:
+                sColor = aIter.toString();
+                break;
+            case XML_MATHVARIANT:
+                bMvFound = true;
+                break;
+            default:
+                XMLOFF_WARN_UNKNOWN("starmath", aIter);
+                break;
+        }
+    }
+
+    if (bMvFound)
+    {
+        // Ignore deprecated attributes fontfamily, fontweight, and fontstyle
+        // in favor of mathvariant, as specified in
+        // <https://www.w3.org/TR/MathML3/chapter3.html#presm.deprecatt>.
+        sFontFamily.clear();
+        nIsBold = -1;
+        nIsItalic = -1;
+    }
+}
+
+void SmXMLContext_Helper::ApplyAttrs()
+{
+    SmNodeStack& rNodeStack = rContext.GetSmImport().GetNodeStack();
+
+    if (!IsFontNodeNeeded())
+        return;
+
+    SmToken aToken;
+    aToken.cMathChar = u""_ustr;
+    aToken.nLevel = 5;
+
+    if (nIsBold != -1)
+    {
+        if (nIsBold)
+            aToken.eType = TBOLD;
+        else
+            aToken.eType = TNBOLD;
+        std::unique_ptr<SmFontNode> pFontNode(new SmFontNode(aToken));
+        pFontNode->SetSubNodes(nullptr, popOrZero(rNodeStack));
+        rNodeStack.push_front(std::move(pFontNode));
+    }
+    if (nIsItalic != -1)
+    {
+        if (nIsItalic)
+            aToken.eType = TITALIC;
+        else
+            aToken.eType = TNITALIC;
+        std::unique_ptr<SmFontNode> pFontNode(new SmFontNode(aToken));
+        pFontNode->SetSubNodes(nullptr, popOrZero(rNodeStack));
+        rNodeStack.push_front(std::move(pFontNode));
+    }
+    if (nFontSize != 0.0)
+    {
+        aToken.eType = TSIZE;
+        std::unique_ptr<SmFontNode> pFontNode(new SmFontNode(aToken));
+
+        if (util::MeasureUnit::PERCENT
+            == rContext.GetSmImport().GetMM100UnitConverter().GetXMLMeasureUnit())
+        {
+            if (nFontSize < 100.00)
+                pFontNode->SetSizeParameter(Fraction(100.00 / nFontSize), FontSizeType::DIVIDE);
+            else
+                pFontNode->SetSizeParameter(Fraction(nFontSize / 100.00), FontSizeType::MULTIPLY);
+        }
+        else
+            pFontNode->SetSizeParameter(Fraction(nFontSize), FontSizeType::ABSOLUT);
+
+        pFontNode->SetSubNodes(nullptr, popOrZero(rNodeStack));
+        rNodeStack.push_front(std::move(pFontNode));
+    }
+    if (!sColor.isEmpty())
+    {
+        SmColorTokenTableEntry aSmColorTokenTableEntry;
+        aSmColorTokenTableEntry = starmathdatabase::Identify_ColorName_HTML(sColor);
+        if (aSmColorTokenTableEntry.eType == TRGB)
+            aSmColorTokenTableEntry = starmathdatabase::Identify_Color_Parser(
+                sal_uInt32(aSmColorTokenTableEntry.cColor));
+        if (aSmColorTokenTableEntry.eType != TERROR)
+        {
+            aToken = aSmColorTokenTableEntry;
+            std::unique_ptr<SmFontNode> pFontNode(new SmFontNode(aToken));
+            pFontNode->SetSubNodes(nullptr, popOrZero(rNodeStack));
+            rNodeStack.push_front(std::move(pFontNode));
+        }
+        // If not known, not implemented yet. Giving up.
+    }
+    if (sFontFamily.isEmpty())
+        return;
+
+    if (sFontFamily.equalsIgnoreAsciiCase(GetXMLToken(XML_FIXED)))
+        aToken.eType = TFIXED;
+    else if (sFontFamily.equalsIgnoreAsciiCase("sans"))
+        aToken.eType = TSANS;
+    else if (sFontFamily.equalsIgnoreAsciiCase("serif"))
+        aToken.eType = TSERIF;
+    else //Just give up, we need to extend our font mechanism to be
+        //more general
+        return;
+
+    aToken.aText = sFontFamily;
+    std::unique_ptr<SmFontNode> pFontNode(new SmFontNode(aToken));
+    pFontNode->SetSubNodes(nullptr, popOrZero(rNodeStack));
+    rNodeStack.push_front(std::move(pFontNode));
+}
+
+namespace
+{
+class SmXMLTokenAttrHelper
+{
+    SmXMLImportContext& mrContext;
+    MathMLMathvariantValue meMv;
+    bool mbMvFound;
+
+public:
+    SmXMLTokenAttrHelper(SmXMLImportContext& rContext)
+        : mrContext(rContext)
+        , meMv(MathMLMathvariantValue::Normal)
+        , mbMvFound(false)
+    {
+    }
+
+    void RetrieveAttrs(const uno::Reference<xml::sax::XFastAttributeList>& xAttrList);
+    void ApplyAttrs(MathMLMathvariantValue eDefaultMv);
+};
+}
+
+void SmXMLTokenAttrHelper::RetrieveAttrs(
+    const uno::Reference<xml::sax::XFastAttributeList>& xAttrList)
+{
+    for (auto& aIter : sax_fastparser::castToFastAttributeList(xAttrList))
+    {
+        OUString sValue = aIter.toString();
+        switch (aIter.getToken())
+        {
+            case XML_MATHVARIANT:
+                if (!GetMathMLMathvariantValue(sValue, meMv))
+                    SAL_WARN("starmath", "failed to recognize mathvariant: " << sValue);
+                mbMvFound = true;
+                break;
+            default:
+                XMLOFF_WARN_UNKNOWN("starmath", aIter);
+                break;
+        }
+    }
+}
+
+void SmXMLTokenAttrHelper::ApplyAttrs(MathMLMathvariantValue eDefaultMv)
+{
+    assert(eDefaultMv == MathMLMathvariantValue::Normal
+           || eDefaultMv == MathMLMathvariantValue::Italic);
+
+    std::vector<SmTokenType> vVariant;
+    MathMLMathvariantValue eMv = mbMvFound ? meMv : eDefaultMv;
+    switch (eMv)
+    {
+        case MathMLMathvariantValue::Normal:
+            vVariant.push_back(TNITALIC);
+            break;
+        case MathMLMathvariantValue::Bold:
+            vVariant.push_back(TBOLD);
+            break;
+        case MathMLMathvariantValue::Italic:
+            // nothing to do
+            break;
+        case MathMLMathvariantValue::BoldItalic:
+            vVariant.push_back(TITALIC);
+            vVariant.push_back(TBOLD);
+            break;
+        case MathMLMathvariantValue::DoubleStruck:
+            // TODO
+            break;
+        case MathMLMathvariantValue::BoldFraktur:
+            // TODO: Fraktur
+            vVariant.push_back(TBOLD);
+            break;
+        case MathMLMathvariantValue::Script:
+            // TODO
+            break;
+        case MathMLMathvariantValue::BoldScript:
+            // TODO: Script
+            vVariant.push_back(TBOLD);
+            break;
+        case MathMLMathvariantValue::Fraktur:
+            // TODO
+            break;
+        case MathMLMathvariantValue::SansSerif:
+            vVariant.push_back(TSANS);
+            break;
+        case MathMLMathvariantValue::BoldSansSerif:
+            vVariant.push_back(TSANS);
+            vVariant.push_back(TBOLD);
+            break;
+        case MathMLMathvariantValue::SansSerifItalic:
+            vVariant.push_back(TITALIC);
+            vVariant.push_back(TSANS);
+            break;
+        case MathMLMathvariantValue::SansSerifBoldItalic:
+            vVariant.push_back(TITALIC);
+            vVariant.push_back(TBOLD);
+            vVariant.push_back(TSANS);
+            break;
+        case MathMLMathvariantValue::Monospace:
+            vVariant.push_back(TFIXED);
+            break;
+        case MathMLMathvariantValue::Initial:
+        case MathMLMathvariantValue::Tailed:
+        case MathMLMathvariantValue::Looped:
+        case MathMLMathvariantValue::Stretched:
+            // TODO
+            break;
+    }
+    if (vVariant.empty())
+        return;
+    SmNodeStack& rNodeStack = mrContext.GetSmImport().GetNodeStack();
+    for (auto eType : vVariant)
+    {
+        SmToken aToken;
+        aToken.eType = eType;
+        aToken.cMathChar = u""_ustr;
+        aToken.nLevel = 5;
+        std::unique_ptr<SmFontNode> pFontNode(new SmFontNode(aToken));
+        pFontNode->SetSubNodes(nullptr, popOrZero(rNodeStack));
+        rNodeStack.push_front(std::move(pFontNode));
+    }
+}
+
+namespace
+{
+class SmXMLDocContext_Impl : public SmXMLImportContext
+{
+public:
+    SmXMLDocContext_Impl(SmXMLImport& rImport)
+        : SmXMLImportContext(rImport)
+    {
+    }
+
+    virtual uno::Reference<xml::sax::XFastContextHandler> SAL_CALL createFastChildContext(
+        sal_Int32 nElement, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList) override;
+
+    void SAL_CALL endFastElement(sal_Int32 nElement) override;
+};
+
+/*avert the gaze from the originator*/
+class SmXMLRowContext_Impl : public SmXMLDocContext_Impl
+{
+protected:
+    size_t nElementCount;
+
+public:
+    SmXMLRowContext_Impl(SmXMLImport& rImport)
+        : SmXMLDocContext_Impl(rImport)
+        , nElementCount(GetSmImport().GetNodeStack().size())
+    {
+    }
+
+    virtual uno::Reference<xml::sax::XFastContextHandler> SAL_CALL createFastChildContext(
+        sal_Int32 nElement, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList) override;
+
+    uno::Reference<xml::sax::XFastContextHandler> StrictCreateChildContext(sal_Int32 nElement);
+
+    virtual void SAL_CALL endFastElement(sal_Int32 nElement) override;
+};
+
+class SmXMLEncloseContext_Impl : public SmXMLRowContext_Impl
+{
+public:
+    // TODO/LATER: convert <menclose notation="horizontalstrike"> into
+    // "overstrike{}" and extend the Math syntax to support more notations
+    SmXMLEncloseContext_Impl(SmXMLImport& rImport)
+        : SmXMLRowContext_Impl(rImport)
+    {
+    }
+
+    void SAL_CALL endFastElement(sal_Int32 nElement) override;
+};
+}
+
+void SmXMLEncloseContext_Impl::endFastElement(sal_Int32 nElement)
+{
+    /*
+    <menclose> accepts any number of arguments; if this number is not 1, its
+    contents are treated as a single "inferred <mrow>" containing its
+    arguments
+    */
+    if (GetSmImport().GetNodeStack().size() - nElementCount != 1)
+        SmXMLRowContext_Impl::endFastElement(nElement);
+}
+
+namespace
+{
+class SmXMLFracContext_Impl : public SmXMLRowContext_Impl
+{
+public:
+    // TODO/LATER: convert <mfrac bevelled="true"> into "wideslash{}{}"
+    SmXMLFracContext_Impl(SmXMLImport& rImport)
+        : SmXMLRowContext_Impl(rImport)
+    {
+    }
+
+    void SAL_CALL endFastElement(sal_Int32 nElement) override;
+};
+
+class SmXMLSqrtContext_Impl : public SmXMLRowContext_Impl
+{
+public:
+    SmXMLSqrtContext_Impl(SmXMLImport& rImport)
+        : SmXMLRowContext_Impl(rImport)
+    {
+    }
+
+    void SAL_CALL endFastElement(sal_Int32 nElement) override;
+};
+
+class SmXMLRootContext_Impl : public SmXMLRowContext_Impl
+{
+public:
+    SmXMLRootContext_Impl(SmXMLImport& rImport)
+        : SmXMLRowContext_Impl(rImport)
+    {
+    }
+
+    void SAL_CALL endFastElement(sal_Int32 nElement) override;
+};
+
+class SmXMLStyleContext_Impl : public SmXMLRowContext_Impl
+{
+protected:
+    SmXMLContext_Helper aStyleHelper;
+
+public:
+    /*Right now the style tag is completely ignored*/
+    SmXMLStyleContext_Impl(SmXMLImport& rImport)
+        : SmXMLRowContext_Impl(rImport)
+        , aStyleHelper(*this)
+    {
+    }
+
+    void SAL_CALL endFastElement(sal_Int32 nElement) override;
+    void SAL_CALL startFastElement(
+        sal_Int32 nElement, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList) override;
+};
+}
+
+void SmXMLStyleContext_Impl::startFastElement(
+    sal_Int32 /*nElement*/, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList)
+{
+    aStyleHelper.RetrieveAttrs(xAttrList);
+}
+
+void SmXMLStyleContext_Impl::endFastElement(sal_Int32 nElement)
+{
+    /*
+    <mstyle> accepts any number of arguments; if this number is not 1, its
+    contents are treated as a single "inferred <mrow>" containing its
+    arguments
+    */
+    SmNodeStack& rNodeStack = GetSmImport().GetNodeStack();
+    if (rNodeStack.size() - nElementCount != 1)
+        SmXMLRowContext_Impl::endFastElement(nElement);
+    aStyleHelper.ApplyAttrs();
+}
+
+namespace
+{
+class SmXMLPaddedContext_Impl : public SmXMLRowContext_Impl
+{
+public:
+    /*Right now the style tag is completely ignored*/
+    SmXMLPaddedContext_Impl(SmXMLImport& rImport)
+        : SmXMLRowContext_Impl(rImport)
+    {
+    }
+
+    void SAL_CALL endFastElement(sal_Int32 nElement) override;
+};
+}
+
+void SmXMLPaddedContext_Impl::endFastElement(sal_Int32 nElement)
+{
+    /*
+    <mpadded> accepts any number of arguments; if this number is not 1, its
+    contents are treated as a single "inferred <mrow>" containing its
+    arguments
+    */
+    if (GetSmImport().GetNodeStack().size() - nElementCount != 1)
+        SmXMLRowContext_Impl::endFastElement(nElement);
+}
+
+namespace
+{
+class SmXMLPhantomContext_Impl : public SmXMLRowContext_Impl
+{
+public:
+    /*Right now the style tag is completely ignored*/
+    SmXMLPhantomContext_Impl(SmXMLImport& rImport)
+        : SmXMLRowContext_Impl(rImport)
+    {
+    }
+
+    void SAL_CALL endFastElement(sal_Int32 nElement) override;
+};
+}
+
+void SmXMLPhantomContext_Impl::endFastElement(sal_Int32 nElement)
+{
+    /*
+    <mphantom> accepts any number of arguments; if this number is not 1, its
+    contents are treated as a single "inferred <mrow>" containing its
+    arguments
+    */
+    if (GetSmImport().GetNodeStack().size() - nElementCount != 1)
+        SmXMLRowContext_Impl::endFastElement(nElement);
+
+    SmToken aToken;
+    aToken.cMathChar = u""_ustr;
+    aToken.nLevel = 5;
+    aToken.eType = TPHANTOM;
+
+    std::unique_ptr<SmFontNode> pPhantom(new SmFontNode(aToken));
+    SmNodeStack& rNodeStack = GetSmImport().GetNodeStack();
+    pPhantom->SetSubNodes(nullptr, popOrZero(rNodeStack));
+    rNodeStack.push_front(std::move(pPhantom));
+}
+
+namespace
+{
+class SmXMLFencedContext_Impl : public SmXMLRowContext_Impl
+{
+protected:
+    OUString cBegin;
+    OUString cEnd;
+    bool bIsStretchy;
+
+public:
+    SmXMLFencedContext_Impl(SmXMLImport& rImport)
+        : SmXMLRowContext_Impl(rImport)
+        , cBegin('(')
+        , cEnd(')')
+        , bIsStretchy(false)
+    {
+    }
+
+    void SAL_CALL startFastElement(
+        sal_Int32 nElement, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList) override;
+    void SAL_CALL endFastElement(sal_Int32 nElement) override;
+};
+}
+
+void SmXMLFencedContext_Impl::startFastElement(
+    sal_Int32 /*nElement*/, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList)
+{
+    for (auto& aIter : sax_fastparser::castToFastAttributeList(xAttrList))
+    {
+        switch (aIter.getToken())
+        {
+            //temp, starmath cannot handle multichar brackets (I think)
+            case XML_OPEN:
+                cBegin = aIter.toString();
+                break;
+            case XML_CLOSE:
+                cEnd = aIter.toString();
+                break;
+            case XML_STRETCHY:
+                bIsStretchy = IsXMLToken(aIter, XML_TRUE);
+                break;
+            default:
+                XMLOFF_WARN_UNKNOWN("starmath", aIter);
+                /*Go to superclass*/
+                break;
+        }
+    }
+}
+
+void SmXMLFencedContext_Impl::endFastElement(sal_Int32 /*nElement*/)
+{
+    SmToken aToken;
+    aToken.cMathChar = u""_ustr;
+    aToken.aText = ",";
+    aToken.nLevel = 5;
+
+    std::unique_ptr<SmStructureNode> pSNode(new SmBraceNode(aToken));
+    if (bIsStretchy)
+        aToken = starmathdatabase::Identify_PrefixPostfix_SmXMLOperatorContext_Impl(cBegin);
+    else
+        aToken = starmathdatabase::Identify_Prefix_SmXMLOperatorContext_Impl(cBegin);
+    if (aToken.eType == TERROR)
+        aToken = SmToken(TLPARENT, MS_LPARENT, "(", TG::LBrace, 5);
+    std::unique_ptr<SmNode> pLeft(new SmMathSymbolNode(aToken));
+    if (bIsStretchy)
+        aToken = starmathdatabase::Identify_PrefixPostfix_SmXMLOperatorContext_Impl(cEnd);
+    else
+        aToken = starmathdatabase::Identify_Postfix_SmXMLOperatorContext_Impl(cEnd);
+    if (aToken.eType == TERROR)
+        aToken = SmToken(TRPARENT, MS_RPARENT, ")", TG::LBrace, 5);
+    std::unique_ptr<SmNode> pRight(new SmMathSymbolNode(aToken));
+
+    SmNodeArray aRelationArray;
+    SmNodeStack& rNodeStack = GetSmImport().GetNodeStack();
+    aToken.cMathChar = u""_ustr;
+    aToken.eType = TIDENT;
+
+    auto i = rNodeStack.size() - nElementCount;
+    if (rNodeStack.size() - nElementCount > 1)
+        i += rNodeStack.size() - 1 - nElementCount;
+    aRelationArray.resize(i);
+    while (rNodeStack.size() > nElementCount)
+    {
+        auto pNode = std::move(rNodeStack.front());
+        rNodeStack.pop_front();
+        aRelationArray[--i] = pNode.release();
+        if (i > 1 && rNodeStack.size() > 1)
+            aRelationArray[--i] = new SmGlyphSpecialNode(aToken);
+    }
+
+    SmToken aDummy;
+    std::unique_ptr<SmStructureNode> pBody(new SmExpressionNode(aDummy));
+    pBody->SetSubNodes(std::move(aRelationArray));
+
+    pSNode->SetSubNodes(std::move(pLeft), std::move(pBody), std::move(pRight));
+    // mfenced is always scalable. Stretchy keyword is not official, but in case of been in there
+    // can be used as a hint.
+    pSNode->SetScaleMode(SmScaleMode::Height);
+    GetSmImport().GetNodeStack().push_front(std::move(pSNode));
+}
+
+namespace
+{
+class SmXMLErrorContext_Impl : public SmXMLRowContext_Impl
+{
+public:
+    SmXMLErrorContext_Impl(SmXMLImport& rImport)
+        : SmXMLRowContext_Impl(rImport)
+    {
+    }
+
+    void SAL_CALL endFastElement(sal_Int32 nElement) override;
+};
+}
+
+void SmXMLErrorContext_Impl::endFastElement(sal_Int32 /*nElement*/)
+{
+    /*Right now the error tag is completely ignored, what
+     can I do with it in starmath, ?, maybe we need a
+     report window ourselves, do a test for validity of
+     the xml input, use mirrors, and then generate
+     the markup inside the merror with a big red colour
+     of something. For now just throw them all away.
+     */
+    SmNodeStack& rNodeStack = GetSmImport().GetNodeStack();
+    while (rNodeStack.size() > nElementCount)
+    {
+        rNodeStack.pop_front();
+    }
+}
+
+namespace
+{
+class SmXMLNumberContext_Impl : public SmXMLImportContext
+{
+protected:
+    SmToken aToken;
+
+public:
+    SmXMLNumberContext_Impl(SmXMLImport& rImport)
+        : SmXMLImportContext(rImport)
+    {
+        aToken.cMathChar = u""_ustr;
+        aToken.nLevel = 5;
+        aToken.eType = TNUMBER;
+    }
+
+    virtual void TCharacters(const OUString& rChars) override;
+
+    void SAL_CALL endFastElement(sal_Int32 nElement) override;
+};
+}
+
+void SmXMLNumberContext_Impl::TCharacters(const OUString& rChars) { aToken.aText = rChars; }
+
+void SmXMLNumberContext_Impl::endFastElement(sal_Int32)
+{
+    GetSmImport().GetNodeStack().push_front(std::make_unique<SmTextNode>(aToken, FNT_NUMBER));
+}
+
+namespace
+{
+class SmXMLAnnotationContext_Impl : public SmXMLImportContext
+{
+    sal_uInt8 mnStarMathVersion;
+
+public:
+    SmXMLAnnotationContext_Impl(SmXMLImport& rImport)
+        : SmXMLImportContext(rImport)
+        , mnStarMathVersion(0)
+    {
+    }
+
+    void SAL_CALL characters(const OUString& rChars) override;
+
+    void SAL_CALL startFastElement(
+        sal_Int32 nElement, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList) override;
+};
+}
+
+void SmXMLAnnotationContext_Impl::startFastElement(
+    sal_Int32 /*nElement*/, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList)
+{
+    for (auto& aIter : sax_fastparser::castToFastAttributeList(xAttrList))
+    {
+        // sometimes they have namespace, sometimes not?
+        switch (aIter.getToken() & TOKEN_MASK)
+        {
+            case XML_ENCODING:
+                mnStarMathVersion
+                    = aIter.toView() == "StarMath 5.0" ? 5 : aIter.toView() == "StarMath 6" ? 6 : 0;
+                break;
+            default:
+                XMLOFF_WARN_UNKNOWN("starmath", aIter);
+                break;
+        }
+    }
+}
+
+void SmXMLAnnotationContext_Impl::characters(const OUString& rChars)
+{
+    if (mnStarMathVersion)
+    {
+        GetSmImport().SetText(GetSmImport().GetText() + rChars);
+        GetSmImport().SetSmSyntaxVersion(mnStarMathVersion);
+    }
+}
+
+namespace
+{
+class SmXMLTextContext_Impl : public SmXMLImportContext
+{
+protected:
+    SmToken aToken;
+
+public:
+    SmXMLTextContext_Impl(SmXMLImport& rImport)
+        : SmXMLImportContext(rImport)
+    {
+        aToken.cMathChar = u""_ustr;
+        aToken.nLevel = 5;
+        aToken.eType = TTEXT;
+    }
+
+    virtual void TCharacters(const OUString& rChars) override;
+
+    void SAL_CALL endFastElement(sal_Int32 nElement) override;
+};
+}
+
+void SmXMLTextContext_Impl::TCharacters(const OUString& rChars) { aToken.aText = rChars; }
+
+void SmXMLTextContext_Impl::endFastElement(sal_Int32)
+{
+    GetSmImport().GetNodeStack().push_front(std::make_unique<SmTextNode>(aToken, FNT_TEXT));
+}
+
+namespace
+{
+class SmXMLStringContext_Impl : public SmXMLImportContext
+{
+protected:
+    SmToken aToken;
+
+public:
+    SmXMLStringContext_Impl(SmXMLImport& rImport)
+        : SmXMLImportContext(rImport)
+    {
+        aToken.cMathChar = u""_ustr;
+        aToken.nLevel = 5;
+        aToken.eType = TTEXT;
+    }
+
+    virtual void TCharacters(const OUString& rChars) override;
+
+    void SAL_CALL endFastElement(sal_Int32 nElement) override;
+};
+}
+
+void SmXMLStringContext_Impl::TCharacters(const OUString& rChars)
+{
+    /*
+    The content of <ms> elements should be rendered with visible "escaping" of
+    certain characters in the content, including at least "double quote"
+    itself, and preferably whitespace other than individual blanks. The intent
+    is for the viewer to see that the expression is a string literal, and to
+    see exactly which characters form its content. For example, <ms>double
+    quote is "</ms> might be rendered as "double quote is \"".
+
+    Obviously this isn't fully done here.
+    */
+    aToken.aText = "\"" + rChars + "\"";
+}
+
+void SmXMLStringContext_Impl::endFastElement(sal_Int32)
+{
+    GetSmImport().GetNodeStack().push_front(std::make_unique<SmTextNode>(aToken, FNT_FIXED));
+}
+
+namespace
+{
+class SmXMLIdentifierContext_Impl : public SmXMLImportContext
+{
+    SmXMLTokenAttrHelper maTokenAttrHelper;
+    SmXMLContext_Helper aStyleHelper;
+    SmToken aToken;
+
+public:
+    SmXMLIdentifierContext_Impl(SmXMLImport& rImport)
+        : SmXMLImportContext(rImport)
+        , maTokenAttrHelper(*this)
+        , aStyleHelper(*this)
+    {
+        aToken.cMathChar = u""_ustr;
+        aToken.nLevel = 5;
+        aToken.eType = TIDENT;
+    }
+
+    void TCharacters(const OUString& rChars) override;
+    void SAL_CALL
+    startFastElement(sal_Int32 /*nElement*/,
+                     const uno::Reference<xml::sax::XFastAttributeList>& xAttrList) override
+    {
+        maTokenAttrHelper.RetrieveAttrs(xAttrList);
+        aStyleHelper.RetrieveAttrs(xAttrList);
+    };
+    void SAL_CALL endFastElement(sal_Int32 nElement) override;
+};
+}
+
+void SmXMLIdentifierContext_Impl::endFastElement(sal_Int32)
+{
+    std::unique_ptr<SmTextNode> pNode;
+    //we will handle identifier italic/normal here instead of with a standalone
+    //font node
+    if (((aStyleHelper.nIsItalic == -1) && (aToken.aText.getLength() > 1))
+        || ((aStyleHelper.nIsItalic == 0) && (aToken.aText.getLength() == 1)))
+    {
+        pNode.reset(new SmTextNode(aToken, FNT_FUNCTION));
+        pNode->GetFont().SetItalic(ITALIC_NONE);
+        aStyleHelper.nIsItalic = -1;
+    }
+    else
+        pNode.reset(new SmTextNode(aToken, FNT_VARIABLE));
+    if (aStyleHelper.nIsItalic != -1)
+    {
+        if (aStyleHelper.nIsItalic)
+            pNode->GetFont().SetItalic(ITALIC_NORMAL);
+        else
+            pNode->GetFont().SetItalic(ITALIC_NONE);
+        aStyleHelper.nIsItalic = -1;
+    }
+    GetSmImport().GetNodeStack().push_front(std::move(pNode));
+    aStyleHelper.ApplyAttrs();
+
+    maTokenAttrHelper.ApplyAttrs((aToken.aText.getLength() == 1) ? MathMLMathvariantValue::Italic
+                                                                 : MathMLMathvariantValue::Normal);
+}
+
+void SmXMLIdentifierContext_Impl::TCharacters(const OUString& rChars) { aToken.aText = rChars; }
+
+namespace
+{
+class SmXMLOperatorContext_Impl : public SmXMLImportContext
+{
+    SmXMLTokenAttrHelper maTokenAttrHelper;
+    bool bIsStretchy;
+    bool bIsFenced;
+    bool isPrefix;
+    bool isInfix;
+    bool isPostfix;
+    SmToken aToken;
+
+public:
+    SmXMLOperatorContext_Impl(SmXMLImport& rImport)
+        : SmXMLImportContext(rImport)
+        , maTokenAttrHelper(*this)
+        , bIsStretchy(false)
+        , bIsFenced(false)
+        , isPrefix(false)
+        , isInfix(false)
+        , isPostfix(false)
+    {
+        aToken.eType = TSPECIAL;
+        aToken.nLevel = 5;
+    }
+
+    void TCharacters(const OUString& rChars) override;
+    void SAL_CALL startFastElement(
+        sal_Int32 nElement, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList) override;
+    void SAL_CALL endFastElement(sal_Int32 nElement) override;
+};
+}
+
+void SmXMLOperatorContext_Impl::TCharacters(const OUString& rChars)
+{
+    aToken.setChar(rChars);
+    SmToken bToken;
+    if (bIsFenced)
+    {
+        if (isPrefix)
+            bToken = starmathdatabase::Identify_Prefix_SmXMLOperatorContext_Impl(aToken.cMathChar);
+        else if (isInfix)
+            bToken = SmToken(TMLINE, MS_VERTLINE, "mline", TG::NONE, 0);
+        else if (isPostfix)
+            bToken = starmathdatabase::Identify_Postfix_SmXMLOperatorContext_Impl(aToken.cMathChar);
+        else
+            bToken = starmathdatabase::Identify_PrefixPostfix_SmXMLOperatorContext_Impl(
+                aToken.cMathChar);
+    }
+    else
+        bToken
+            = starmathdatabase::Identify_SmXMLOperatorContext_Impl(aToken.cMathChar, bIsStretchy);
+    if (bToken.eType != TERROR)
+        aToken = bToken;
+}
+
+void SmXMLOperatorContext_Impl::endFastElement(sal_Int32)
+{
+    std::unique_ptr<SmMathSymbolNode> pNode(new SmMathSymbolNode(aToken));
+    //For stretchy scaling the scaling must be retrieved from this node
+    //and applied to the expression itself so as to get the expression
+    //to scale the operator to the height of the expression itself
+    if (bIsStretchy)
+        pNode->SetScaleMode(SmScaleMode::Height);
+    GetSmImport().GetNodeStack().push_front(std::move(pNode));
+
+    // TODO: apply to non-alphabetic characters too
+    if (rtl::isAsciiAlpha(aToken.cMathChar[0]))
+        maTokenAttrHelper.ApplyAttrs(MathMLMathvariantValue::Normal);
+}
+
+void SmXMLOperatorContext_Impl::startFastElement(
+    sal_Int32 /*nElement*/, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList)
+{
+    maTokenAttrHelper.RetrieveAttrs(xAttrList);
+
+    for (auto& aIter : sax_fastparser::castToFastAttributeList(xAttrList))
+    {
+        switch (aIter.getToken())
+        {
+            case XML_STRETCHY:
+                bIsStretchy = IsXMLToken(aIter, XML_TRUE);
+                break;
+            case XML_FENCE:
+                bIsFenced = IsXMLToken(aIter, XML_TRUE);
+                break;
+            case XML_FORM:
+                isPrefix = IsXMLToken(aIter, XML_PREFIX); // <
+                isInfix = IsXMLToken(aIter, XML_INFIX); // |
+                isPostfix = IsXMLToken(aIter, XML_POSTFIX); // >
+                break;
+            default:
+                XMLOFF_WARN_UNKNOWN("starmath", aIter);
+                break;
+        }
+    }
+}
+
+namespace
+{
+class SmXMLSpaceContext_Impl : public SmXMLImportContext
+{
+public:
+    SmXMLSpaceContext_Impl(SmXMLImport& rImport)
+        : SmXMLImportContext(rImport)
+    {
+    }
+
+    void SAL_CALL startFastElement(
+        sal_Int32 nElement, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList) override;
+};
+
+bool lcl_CountBlanks(const MathMLAttributeLengthValue& rLV, sal_Int32* pWide, sal_Int32* pNarrow)
+{
+    assert(pWide);
+    assert(pNarrow);
+    if (rLV.aNumber.GetNumerator() == 0)
+    {
+        *pWide = *pNarrow = 0;
+        return true;
+    }
+    // TODO: honor other units than em
+    if (rLV.eUnit != MathMLLengthUnit::Em)
+        return false;
+    if (rLV.aNumber.GetNumerator() < 0)
+        return false;
+    const Fraction aTwo(2, 1);
+    auto aWide = rLV.aNumber / aTwo;
+    auto nWide = static_cast<sal_Int32>(static_cast<tools::Long>(aWide));
+    if (nWide < 0)
+        return false;
+    const Fraction aPointFive(1, 2);
+    auto aNarrow = (rLV.aNumber - Fraction(nWide, 1) * aTwo) / aPointFive;
+    auto nNarrow = static_cast<sal_Int32>(static_cast<tools::Long>(aNarrow));
+    if (nNarrow < 0)
+        return false;
+    *pWide = nWide;
+    *pNarrow = nNarrow;
+    return true;
+}
+}
+
+void SmXMLSpaceContext_Impl::startFastElement(
+    sal_Int32 /*nElement*/, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList)
+{
+    // There is no syntax in Math to specify blank nodes of arbitrary size yet.
+    MathMLAttributeLengthValue aLV;
+    sal_Int32 nWide = 0, nNarrow = 0;
+
+    for (auto& aIter : sax_fastparser::castToFastAttributeList(xAttrList))
+    {
+        OUString sValue = aIter.toString();
+        switch (aIter.getToken())
+        {
+            case XML_WIDTH:
+                if (!ParseMathMLAttributeLengthValue(o3tl::trim(sValue), aLV)
+                    || !lcl_CountBlanks(aLV, &nWide, &nNarrow))
+                    SAL_WARN("starmath", "ignore mspace's width: " << sValue);
+                break;
+            default:
+                XMLOFF_WARN_UNKNOWN("starmath", aIter);
+                break;
+        }
+    }
+    SmToken aToken;
+    aToken.eType = TBLANK;
+    aToken.cMathChar = u""_ustr;
+    aToken.nGroup = TG::Blank;
+    aToken.nLevel = 5;
+    std::unique_ptr<SmBlankNode> pBlank(new SmBlankNode(aToken));
+    if (nWide > 0)
+        pBlank->IncreaseBy(aToken, nWide);
+    if (nNarrow > 0)
+    {
+        aToken.eType = TSBLANK;
+        pBlank->IncreaseBy(aToken, nNarrow);
+    }
+    GetSmImport().GetNodeStack().push_front(std::move(pBlank));
+}
+
+namespace
+{
+class SmXMLSubContext_Impl : public SmXMLRowContext_Impl
+{
+protected:
+    void GenericEndElement(SmTokenType eType, SmSubSup aSubSup);
+
+public:
+    SmXMLSubContext_Impl(SmXMLImport& rImport)
+        : SmXMLRowContext_Impl(rImport)
+    {
+    }
+
+    void SAL_CALL endFastElement(sal_Int32) override { GenericEndElement(TRSUB, RSUB); }
+};
+}
+
+void SmXMLSubContext_Impl::GenericEndElement(SmTokenType eType, SmSubSup eSubSup)
+{
+    /*The <msub> element requires exactly 2 arguments.*/
+    const bool bNodeCheck = GetSmImport().GetNodeStack().size() - nElementCount == 2;
+    OSL_ENSURE(bNodeCheck, "Sub has not two arguments");
+    if (!bNodeCheck)
+        return;
+
+    SmToken aToken;
+    aToken.cMathChar = u""_ustr;
+    aToken.eType = eType;
+    std::unique_ptr<SmSubSupNode> pNode(new SmSubSupNode(aToken));
+    SmNodeStack& rNodeStack = GetSmImport().GetNodeStack();
+
+    // initialize subnodes array
+    SmNodeArray aSubNodes;
+    aSubNodes.resize(1 + SUBSUP_NUM_ENTRIES);
+    for (size_t i = 1; i < aSubNodes.size(); i++)
+        aSubNodes[i] = nullptr;
+
+    aSubNodes[eSubSup + 1] = popOrZero(rNodeStack).release();
+    aSubNodes[0] = popOrZero(rNodeStack).release();
+    pNode->SetSubNodes(std::move(aSubNodes));
+    rNodeStack.push_front(std::move(pNode));
+}
+
+namespace
+{
+class SmXMLSupContext_Impl : public SmXMLSubContext_Impl
+{
+public:
+    SmXMLSupContext_Impl(SmXMLImport& rImport)
+        : SmXMLSubContext_Impl(rImport)
+    {
+    }
+
+    void SAL_CALL endFastElement(sal_Int32) override { GenericEndElement(TRSUP, RSUP); }
+};
+
+class SmXMLSubSupContext_Impl : public SmXMLRowContext_Impl
+{
+protected:
+    void GenericEndElement(SmTokenType eType, SmSubSup aSub, SmSubSup aSup);
+
+public:
+    SmXMLSubSupContext_Impl(SmXMLImport& rImport)
+        : SmXMLRowContext_Impl(rImport)
+    {
+    }
+
+    void SAL_CALL endFastElement(sal_Int32) override { GenericEndElement(TRSUB, RSUB, RSUP); }
+};
+}
+
+void SmXMLSubSupContext_Impl::GenericEndElement(SmTokenType eType, SmSubSup aSub, SmSubSup aSup)
+{
+    /*The <msub> element requires exactly 3 arguments.*/
+    const bool bNodeCheck = GetSmImport().GetNodeStack().size() - nElementCount == 3;
+    OSL_ENSURE(bNodeCheck, "SubSup has not three arguments");
+    if (!bNodeCheck)
+        return;
+
+    SmToken aToken;
+    aToken.cMathChar = u""_ustr;
+    aToken.eType = eType;
+    std::unique_ptr<SmSubSupNode> pNode(new SmSubSupNode(aToken));
+    SmNodeStack& rNodeStack = GetSmImport().GetNodeStack();
+
+    // initialize subnodes array
+    SmNodeArray aSubNodes;
+    aSubNodes.resize(1 + SUBSUP_NUM_ENTRIES);
+    for (size_t i = 1; i < aSubNodes.size(); i++)
+        aSubNodes[i] = nullptr;
+
+    aSubNodes[aSup + 1] = popOrZero(rNodeStack).release();
+    aSubNodes[aSub + 1] = popOrZero(rNodeStack).release();
+    aSubNodes[0] = popOrZero(rNodeStack).release();
+    pNode->SetSubNodes(std::move(aSubNodes));
+    rNodeStack.push_front(std::move(pNode));
+}
+
+namespace
+{
+class SmXMLUnderContext_Impl : public SmXMLSubContext_Impl
+{
+protected:
+    sal_Int16 nAttrCount;
+
+public:
+    SmXMLUnderContext_Impl(SmXMLImport& rImport)
+        : SmXMLSubContext_Impl(rImport)
+        , nAttrCount(0)
+    {
+    }
+
+    void SAL_CALL startFastElement(
+        sal_Int32 nElement, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList) override;
+    void SAL_CALL endFastElement(sal_Int32 nElement) override;
+    void HandleAccent();
+};
+}
+
+void SmXMLUnderContext_Impl::startFastElement(
+    sal_Int32 /*nElement*/, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList)
+{
+    sax_fastparser::FastAttributeList& rAttribList
+        = sax_fastparser::castToFastAttributeList(xAttrList);
+    nAttrCount = rAttribList.getFastAttributeTokens().size();
+}
+
+void SmXMLUnderContext_Impl::HandleAccent()
+{
+    const bool bNodeCheck = GetSmImport().GetNodeStack().size() - nElementCount == 2;
+    OSL_ENSURE(bNodeCheck, "Sub has not two arguments");
+    if (!bNodeCheck)
+        return;
+
+    /*Just one special case for the underline thing*/
+    SmNodeStack& rNodeStack = GetSmImport().GetNodeStack();
+    std::unique_ptr<SmNode> pTest = popOrZero(rNodeStack);
+    SmToken aToken;
+    aToken.cMathChar = u""_ustr;
+    aToken.eType = TUNDERLINE;
+
+    std::unique_ptr<SmNode> pFirst;
+    std::unique_ptr<SmStructureNode> pNode(new SmAttributeNode(aToken));
+    if ((pTest->GetToken().cMathChar[0] & 0x0FFF) == 0x0332)
+    {
+        pFirst.reset(new SmRectangleNode(aToken));
+    }
+    else
+        pFirst = std::move(pTest);
+
+    std::unique_ptr<SmNode> pSecond = popOrZero(rNodeStack);
+    pNode->SetSubNodes(std::move(pFirst), std::move(pSecond));
+    pNode->SetScaleMode(SmScaleMode::Width);
+    rNodeStack.push_front(std::move(pNode));
+}
+
+void SmXMLUnderContext_Impl::endFastElement(sal_Int32)
+{
+    if (!nAttrCount)
+        GenericEndElement(TCSUB, CSUB);
+    else
+        HandleAccent();
+}
+
+namespace
+{
+class SmXMLOverContext_Impl : public SmXMLSubContext_Impl
+{
+protected:
+    sal_Int16 nAttrCount;
+
+public:
+    SmXMLOverContext_Impl(SmXMLImport& rImport)
+        : SmXMLSubContext_Impl(rImport)
+        , nAttrCount(0)
+    {
+    }
+
+    void SAL_CALL endFastElement(sal_Int32 nElement) override;
+    void SAL_CALL startFastElement(
+        sal_Int32 nElement, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList) override;
+    void HandleAccent();
+};
+}
+
+void SmXMLOverContext_Impl::startFastElement(
+    sal_Int32 /*nElement*/, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList)
+{
+    sax_fastparser::FastAttributeList& rAttribList
+        = sax_fastparser::castToFastAttributeList(xAttrList);
+    nAttrCount = rAttribList.getFastAttributeTokens().size();
+}
+
+void SmXMLOverContext_Impl::endFastElement(sal_Int32)
+{
+    if (!nAttrCount)
+        GenericEndElement(TCSUP, CSUP);
+    else
+        HandleAccent();
+}
+
+void SmXMLOverContext_Impl::HandleAccent()
+{
+    const bool bNodeCheck = GetSmImport().GetNodeStack().size() - nElementCount == 2;
+    OSL_ENSURE(bNodeCheck, "Sub has not two arguments");
+    if (!bNodeCheck)
+        return;
+
+    SmToken aToken;
+    aToken.cMathChar = u""_ustr;
+    aToken.eType = TACUTE;
+
+    std::unique_ptr<SmAttributeNode> pNode(new SmAttributeNode(aToken));
+    SmNodeStack& rNodeStack = GetSmImport().GetNodeStack();
+
+    std::unique_ptr<SmNode> pFirst = popOrZero(rNodeStack);
+    std::unique_ptr<SmNode> pSecond = popOrZero(rNodeStack);
+    pNode->SetSubNodes(std::move(pFirst), std::move(pSecond));
+    pNode->SetScaleMode(SmScaleMode::Width);
+    rNodeStack.push_front(std::move(pNode));
+}
+
+namespace
+{
+class SmXMLUnderOverContext_Impl : public SmXMLSubSupContext_Impl
+{
+public:
+    SmXMLUnderOverContext_Impl(SmXMLImport& rImport)
+        : SmXMLSubSupContext_Impl(rImport)
+    {
+    }
+
+    void SAL_CALL endFastElement(sal_Int32) override { GenericEndElement(TCSUB, CSUB, CSUP); }
+};
+
+class SmXMLMultiScriptsContext_Impl : public SmXMLSubSupContext_Impl
+{
+    bool bHasPrescripts;
+
+    void ProcessSubSupPairs(bool bIsPrescript);
+
+public:
+    SmXMLMultiScriptsContext_Impl(SmXMLImport& rImport)
+        : SmXMLSubSupContext_Impl(rImport)
+        , bHasPrescripts(false)
+    {
+    }
+
+    void SAL_CALL endFastElement(sal_Int32 nElement) override;
+    virtual uno::Reference<xml::sax::XFastContextHandler> SAL_CALL createFastChildContext(
+        sal_Int32 nElement, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList) override;
+};
+
+class SmXMLNoneContext_Impl : public SmXMLImportContext
+{
+public:
+    SmXMLNoneContext_Impl(SmXMLImport& rImport)
+        : SmXMLImportContext(rImport)
+    {
+    }
+
+    void SAL_CALL endFastElement(sal_Int32 nElement) override;
+};
+}
+
+void SmXMLNoneContext_Impl::endFastElement(sal_Int32)
+{
+    SmToken aToken;
+    aToken.cMathChar = u""_ustr;
+    aToken.aText.clear();
+    aToken.nLevel = 5;
+    aToken.eType = TIDENT;
+    GetSmImport().GetNodeStack().push_front(std::make_unique<SmTextNode>(aToken, FNT_VARIABLE));
+}
+
+namespace
+{
+class SmXMLPrescriptsContext_Impl : public SmXMLImportContext
+{
+public:
+    SmXMLPrescriptsContext_Impl(SmXMLImport& rImport)
+        : SmXMLImportContext(rImport)
+    {
+    }
+};
+
+class SmXMLTableRowContext_Impl : public SmXMLRowContext_Impl
+{
+public:
+    SmXMLTableRowContext_Impl(SmXMLImport& rImport)
+        : SmXMLRowContext_Impl(rImport)
+    {
+    }
+
+    virtual uno::Reference<xml::sax::XFastContextHandler> SAL_CALL createFastChildContext(
+        sal_Int32 nElement, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList) override;
+};
+
+class SmXMLTableContext_Impl : public SmXMLTableRowContext_Impl
+{
+public:
+    SmXMLTableContext_Impl(SmXMLImport& rImport)
+        : SmXMLTableRowContext_Impl(rImport)
+    {
+    }
+
+    void SAL_CALL endFastElement(sal_Int32 nElement) override;
+    virtual uno::Reference<xml::sax::XFastContextHandler> SAL_CALL createFastChildContext(
+        sal_Int32 nElement, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList) override;
+};
+
+class SmXMLTableCellContext_Impl : public SmXMLRowContext_Impl
+{
+public:
+    SmXMLTableCellContext_Impl(SmXMLImport& rImport)
+        : SmXMLRowContext_Impl(rImport)
+    {
+    }
+};
+
+class SmXMLAlignGroupContext_Impl : public SmXMLRowContext_Impl
+{
+public:
+    SmXMLAlignGroupContext_Impl(SmXMLImport& rImport)
+        : SmXMLRowContext_Impl(rImport)
+    {
+    }
+
+    /*Don't do anything with alignment for now*/
+};
+
+class SmXMLActionContext_Impl : public SmXMLRowContext_Impl
+{
+    size_t mnSelection; // 1-based
+
+public:
+    SmXMLActionContext_Impl(SmXMLImport& rImport)
+        : SmXMLRowContext_Impl(rImport)
+        , mnSelection(1)
+    {
+    }
+
+    void SAL_CALL startFastElement(
+        sal_Int32 nElement, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList) override;
+    void SAL_CALL endFastElement(sal_Int32 nElement) override;
+};
+
+// NB: virtually inherit so we can multiply inherit properly
+//     in SmXMLFlatDocContext_Impl
+class SmXMLOfficeContext_Impl : public virtual SvXMLImportContext
+{
+public:
+    SmXMLOfficeContext_Impl(SmXMLImport& rImport)
+        : SvXMLImportContext(rImport)
+    {
+    }
+
+    virtual css::uno::Reference<css::xml::sax::XFastContextHandler> SAL_CALL createFastChildContext(
+        sal_Int32 nElement,
+        const css::uno::Reference<css::xml::sax::XFastAttributeList>& xAttrList) override;
+};
+}
+
+uno::Reference<xml::sax::XFastContextHandler> SmXMLOfficeContext_Impl::createFastChildContext(
+    sal_Int32 nElement, const uno::Reference<xml::sax::XFastAttributeList>& /*xAttrList*/)
+{
+    if (nElement == XML_ELEMENT(OFFICE, XML_META))
+    {
+        SAL_WARN("starmath",
+                 "XML_TOK_DOC_META: should not have come here, maybe document is invalid?");
+    }
+    else if (nElement == XML_ELEMENT(OFFICE, XML_SETTINGS))
+    {
+        return new XMLDocumentSettingsContext(GetImport());
+    }
+    return nullptr;
+}
+
+namespace
+{
+// context for flat file xml format
+class SmXMLFlatDocContext_Impl : public SmXMLOfficeContext_Impl, public SvXMLMetaDocumentContext
+{
+public:
+    SmXMLFlatDocContext_Impl(SmXMLImport& i_rImport,
+                             const uno::Reference<document::XDocumentProperties>& i_xDocProps);
+
+    virtual css::uno::Reference<css::xml::sax::XFastContextHandler> SAL_CALL createFastChildContext(
+        sal_Int32 nElement,
+        const css::uno::Reference<css::xml::sax::XFastAttributeList>& xAttrList) override;
+};
+}
+
+SmXMLFlatDocContext_Impl::SmXMLFlatDocContext_Impl(
+    SmXMLImport& i_rImport, const uno::Reference<document::XDocumentProperties>& i_xDocProps)
+    : SvXMLImportContext(i_rImport)
+    , SmXMLOfficeContext_Impl(i_rImport)
+    , SvXMLMetaDocumentContext(i_rImport, i_xDocProps)
+{
+}
+
+uno::Reference<xml::sax::XFastContextHandler>
+    SAL_CALL SmXMLFlatDocContext_Impl::createFastChildContext(
+        sal_Int32 nElement, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList)
+{
+    // behave like meta base class iff we encounter office:meta
+    if (nElement == XML_ELEMENT(OFFICE, XML_META))
+    {
+        return SvXMLMetaDocumentContext::createFastChildContext(nElement, xAttrList);
+    }
+    else
+    {
+        return SmXMLOfficeContext_Impl::createFastChildContext(nElement, xAttrList);
+    }
+}
+
+uno::Reference<xml::sax::XFastContextHandler> SmXMLDocContext_Impl::createFastChildContext(
+    sal_Int32 nElement, const uno::Reference<xml::sax::XFastAttributeList>& /*xAttrList*/)
+{
+    uno::Reference<xml::sax::XFastContextHandler> xContext;
+
+    switch (nElement)
+    {
+        //Consider semantics a dummy except for any starmath annotations
+        case XML_ELEMENT(MATH, XML_SEMANTICS):
+            xContext = new SmXMLRowContext_Impl(GetSmImport());
+            break;
+        /*General Layout Schemata*/
+        case XML_ELEMENT(MATH, XML_MROW):
+            xContext = new SmXMLRowContext_Impl(GetSmImport());
+            break;
+        case XML_ELEMENT(MATH, XML_MENCLOSE):
+            xContext = new SmXMLEncloseContext_Impl(GetSmImport());
+            break;
+        case XML_ELEMENT(MATH, XML_MFRAC):
+            xContext = new SmXMLFracContext_Impl(GetSmImport());
+            break;
+        case XML_ELEMENT(MATH, XML_MSQRT):
+            xContext = new SmXMLSqrtContext_Impl(GetSmImport());
+            break;
+        case XML_ELEMENT(MATH, XML_MROOT):
+            xContext = new SmXMLRootContext_Impl(GetSmImport());
+            break;
+        case XML_ELEMENT(MATH, XML_MSTYLE):
+            xContext = new SmXMLStyleContext_Impl(GetSmImport());
+            break;
+        case XML_ELEMENT(MATH, XML_MERROR):
+            xContext = new SmXMLErrorContext_Impl(GetSmImport());
+            break;
+        case XML_ELEMENT(MATH, XML_MPADDED):
+            xContext = new SmXMLPaddedContext_Impl(GetSmImport());
+            break;
+        case XML_ELEMENT(MATH, XML_MPHANTOM):
+            xContext = new SmXMLPhantomContext_Impl(GetSmImport());
+            break;
+        case XML_ELEMENT(MATH, XML_MFENCED):
+            xContext = new SmXMLFencedContext_Impl(GetSmImport());
+            break;
+        /*Script and Limit Schemata*/
+        case XML_ELEMENT(MATH, XML_MSUB):
+            xContext = new SmXMLSubContext_Impl(GetSmImport());
+            break;
+        case XML_ELEMENT(MATH, XML_MSUP):
+            xContext = new SmXMLSupContext_Impl(GetSmImport());
+            break;
+        case XML_ELEMENT(MATH, XML_MSUBSUP):
+            xContext = new SmXMLSubSupContext_Impl(GetSmImport());
+            break;
+        case XML_ELEMENT(MATH, XML_MUNDER):
+            xContext = new SmXMLUnderContext_Impl(GetSmImport());
+            break;
+        case XML_ELEMENT(MATH, XML_MOVER):
+            xContext = new SmXMLOverContext_Impl(GetSmImport());
+            break;
+        case XML_ELEMENT(MATH, XML_MUNDEROVER):
+            xContext = new SmXMLUnderOverContext_Impl(GetSmImport());
+            break;
+        case XML_ELEMENT(MATH, XML_MMULTISCRIPTS):
+            xContext = new SmXMLMultiScriptsContext_Impl(GetSmImport());
+            break;
+        case XML_ELEMENT(MATH, XML_MTABLE):
+            xContext = new SmXMLTableContext_Impl(GetSmImport());
+            break;
+        case XML_ELEMENT(MATH, XML_MACTION):
+            xContext = new SmXMLActionContext_Impl(GetSmImport());
+            break;
+        default:
+            /*Basically there's an implicit mrow around certain bare
+             *elements, use a RowContext to see if this is one of
+             *those ones*/
+            rtl::Reference<SmXMLRowContext_Impl> aTempContext(
+                new SmXMLRowContext_Impl(GetSmImport()));
+
+            xContext = aTempContext->StrictCreateChildContext(nElement);
+            break;
+    }
+    return xContext;
+}
+
+void SmXMLDocContext_Impl::endFastElement(sal_Int32)
+{
+    SmNodeStack& rNodeStack = GetSmImport().GetNodeStack();
+
+    std::unique_ptr<SmNode> pContextNode = popOrZero(rNodeStack);
+
+    SmToken aDummy;
+    std::unique_ptr<SmStructureNode> pSNode(new SmLineNode(aDummy));
+    pSNode->SetSubNodes(std::move(pContextNode), nullptr);
+    rNodeStack.push_front(std::move(pSNode));
+
+    SmNodeArray LineArray;
+    auto n = rNodeStack.size();
+    LineArray.resize(n);
+    for (size_t j = 0; j < n; j++)
+    {
+        auto pNode = std::move(rNodeStack.front());
+        rNodeStack.pop_front();
+        LineArray[n - (j + 1)] = pNode.release();
+    }
+    std::unique_ptr<SmStructureNode> pSNode2(new SmTableNode(aDummy));
+    pSNode2->SetSubNodes(std::move(LineArray));
+    rNodeStack.push_front(std::move(pSNode2));
+}
+
+void SmXMLFracContext_Impl::endFastElement(sal_Int32)
+{
+    SmNodeStack& rNodeStack = GetSmImport().GetNodeStack();
+    const bool bNodeCheck = rNodeStack.size() - nElementCount == 2;
+    OSL_ENSURE(bNodeCheck, "Fraction (mfrac) tag is missing component");
+    if (!bNodeCheck)
+        return;
+
+    SmToken aToken;
+    aToken.cMathChar = u""_ustr;
+    aToken.eType = TFRAC;
+    std::unique_ptr<SmStructureNode> pSNode(new SmBinVerNode(aToken));
+    std::unique_ptr<SmNode> pOper(new SmRectangleNode(aToken));
+    std::unique_ptr<SmNode> pSecond = popOrZero(rNodeStack);
+    std::unique_ptr<SmNode> pFirst = popOrZero(rNodeStack);
+    pSNode->SetSubNodes(std::move(pFirst), std::move(pOper), std::move(pSecond));
+    rNodeStack.push_front(std::move(pSNode));
+}
+
+void SmXMLRootContext_Impl::endFastElement(sal_Int32)
+{
+    /*The <mroot> element requires exactly 2 arguments.*/
+    const bool bNodeCheck = GetSmImport().GetNodeStack().size() - nElementCount == 2;
+    OSL_ENSURE(bNodeCheck, "Root tag is missing component");
+    if (!bNodeCheck)
+        return;
+
+    SmToken aToken;
+    aToken.setChar(MS_SQRT); //Temporary: alert, based on StarSymbol font
+    aToken.eType = TNROOT;
+    std::unique_ptr<SmStructureNode> pSNode(new SmRootNode(aToken));
+    std::unique_ptr<SmNode> pOper(new SmRootSymbolNode(aToken));
+    SmNodeStack& rNodeStack = GetSmImport().GetNodeStack();
+    std::unique_ptr<SmNode> pIndex = popOrZero(rNodeStack);
+    std::unique_ptr<SmNode> pBase = popOrZero(rNodeStack);
+    pSNode->SetSubNodes(std::move(pIndex), std::move(pOper), std::move(pBase));
+    rNodeStack.push_front(std::move(pSNode));
+}
+
+void SmXMLSqrtContext_Impl::endFastElement(sal_Int32 nElement)
+{
+    /*
+    <msqrt> accepts any number of arguments; if this number is not 1, its
+    contents are treated as a single "inferred <mrow>" containing its
+    arguments
+    */
+    if (GetSmImport().GetNodeStack().size() - nElementCount != 1)
+        SmXMLRowContext_Impl::endFastElement(nElement);
+
+    SmToken aToken;
+    aToken.setChar(MS_SQRT); //Temporary: alert, based on StarSymbol font
+    aToken.eType = TSQRT;
+    std::unique_ptr<SmStructureNode> pSNode(new SmRootNode(aToken));
+    std::unique_ptr<SmNode> pOper(new SmRootSymbolNode(aToken));
+    SmNodeStack& rNodeStack = GetSmImport().GetNodeStack();
+    pSNode->SetSubNodes(nullptr, std::move(pOper), popOrZero(rNodeStack));
+    rNodeStack.push_front(std::move(pSNode));
+}
+
+void SmXMLRowContext_Impl::endFastElement(sal_Int32)
+{
+    SmNodeArray aRelationArray;
+    SmNodeStack& rNodeStack = GetSmImport().GetNodeStack();
+
+    if (rNodeStack.size() > nElementCount)
+    {
+        auto nSize = rNodeStack.size() - nElementCount;
+
+        aRelationArray.resize(nSize);
+        for (auto j = nSize; j > 0; j--)
+        {
+            auto pNode = std::move(rNodeStack.front());
+            rNodeStack.pop_front();
+            aRelationArray[j - 1] = pNode.release();
+        }
+
+        //If the first or last element is an operator with stretchyness
+        //set then we must create a brace node here from those elements,
+        //removing the stretchness from the operators and applying it to
+        //ourselves, and creating the appropriate dummy StarMath none bracket
+        //to balance the arrangement
+        if (((aRelationArray[0]->GetScaleMode() == SmScaleMode::Height)
+             && (aRelationArray[0]->GetType() == SmNodeType::Math))
+            || ((aRelationArray[nSize - 1]->GetScaleMode() == SmScaleMode::Height)
+                && (aRelationArray[nSize - 1]->GetType() == SmNodeType::Math)))
+        {
+            SmToken aToken;
+            aToken.cMathChar = u""_ustr;
+            aToken.nLevel = 5;
+
+            int nLeft = 0, nRight = 0;
+            if ((aRelationArray[0]->GetScaleMode() == SmScaleMode::Height)
+                && (aRelationArray[0]->GetType() == SmNodeType::Math))
+            {
+                aToken = aRelationArray[0]->GetToken();
+                nLeft = 1;
+            }
+            else
+                aToken.cMathChar = u""_ustr;
+
+            aToken.eType = TLPARENT;
+            std::unique_ptr<SmNode> pLeft(new SmMathSymbolNode(aToken));
+
+            if ((aRelationArray[nSize - 1]->GetScaleMode() == SmScaleMode::Height)
+                && (aRelationArray[nSize - 1]->GetType() == SmNodeType::Math))
+            {
+                aToken = aRelationArray[nSize - 1]->GetToken();
+                nRight = 1;
+            }
+            else
+                aToken.cMathChar = u""_ustr;
+
+            aToken.eType = TRPARENT;
+            std::unique_ptr<SmNode> pRight(new SmMathSymbolNode(aToken));
+
+            SmNodeArray aRelationArray2;
+
+            //!! nSize-nLeft-nRight may be < 0 !!
+            int nRelArrSize = nSize - nLeft - nRight;
+            if (nRelArrSize > 0)
+            {
+                aRelationArray2.resize(nRelArrSize);
+                for (int i = 0; i < nRelArrSize; i++)
+                {
+                    aRelationArray2[i] = aRelationArray[i + nLeft];
+                    aRelationArray[i + nLeft] = nullptr;
+                }
+            }
+
+            SmToken aDummy;
+            std::unique_ptr<SmStructureNode> pSNode(new SmBraceNode(aToken));
+            std::unique_ptr<SmStructureNode> pBody(new SmExpressionNode(aDummy));
+            pBody->SetSubNodes(std::move(aRelationArray2));
+
+            pSNode->SetSubNodes(std::move(pLeft), std::move(pBody), std::move(pRight));
+            pSNode->SetScaleMode(SmScaleMode::Height);
+            rNodeStack.push_front(std::move(pSNode));
+
+            for (auto a : aRelationArray)
+                delete a;
+
+            return;
+        }
+    }
+    else
+    {
+        // The elements msqrt, mstyle, merror, menclose, mpadded, mphantom, mtd, and math
+        // treat their content as a single inferred mrow in case their content is empty.
+        // Here an empty group {} is used to catch those cases and transform them without error
+        // to StarMath.
+        aRelationArray.resize(2);
+        SmToken aToken;
+        aToken.setChar(MS_LBRACE);
+        aToken.nLevel = 5;
+        aToken.eType = TLGROUP;
+        aToken.nGroup = TG::NONE;
+        aToken.aText = "{";
+        aRelationArray[0] = new SmLineNode(aToken);
+
+        aToken.setChar(MS_RBRACE);
+        aToken.nLevel = 0;
+        aToken.eType = TRGROUP;
+        aToken.nGroup = TG::NONE;
+        aToken.aText = "}";
+        aRelationArray[1] = new SmLineNode(aToken);
+    }
+
+    SmToken aDummy;
+    std::unique_ptr<SmStructureNode> pSNode(new SmExpressionNode(aDummy));
+    pSNode->SetSubNodes(std::move(aRelationArray));
+    rNodeStack.push_front(std::move(pSNode));
+}
+
+uno::Reference<xml::sax::XFastContextHandler>
+SmXMLRowContext_Impl::StrictCreateChildContext(sal_Int32 nElement)
+{
+    uno::Reference<xml::sax::XFastContextHandler> pContext;
+
+    switch (nElement)
+    {
+        /*Note that these should accept malignmark subelements, but do not*/
+        case XML_ELEMENT(MATH, XML_MN):
+            pContext = new SmXMLNumberContext_Impl(GetSmImport());
+            break;
+        case XML_ELEMENT(MATH, XML_MI):
+            pContext = new SmXMLIdentifierContext_Impl(GetSmImport());
+            break;
+        case XML_ELEMENT(MATH, XML_MO):
+            pContext = new SmXMLOperatorContext_Impl(GetSmImport());
+            break;
+        case XML_ELEMENT(MATH, XML_MTEXT):
+            pContext = new SmXMLTextContext_Impl(GetSmImport());
+            break;
+        case XML_ELEMENT(MATH, XML_MSPACE):
+            pContext = new SmXMLSpaceContext_Impl(GetSmImport());
+            break;
+        case XML_ELEMENT(MATH, XML_MS):
+            pContext = new SmXMLStringContext_Impl(GetSmImport());
+            break;
+
+        /*Note: The maligngroup should only be seen when the row
+         * (or descendants) are in a table*/
+        case XML_ELEMENT(MATH, XML_MALIGNGROUP):
+            pContext = new SmXMLAlignGroupContext_Impl(GetSmImport());
+            break;
+
+        case XML_ELEMENT(MATH, XML_ANNOTATION):
+            pContext = new SmXMLAnnotationContext_Impl(GetSmImport());
+            break;
+
+        default:
+            break;
+    }
+    return pContext;
+}
+
+uno::Reference<xml::sax::XFastContextHandler> SmXMLRowContext_Impl::createFastChildContext(
+    sal_Int32 nElement, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList)
+{
+    uno::Reference<xml::sax::XFastContextHandler> xContext = StrictCreateChildContext(nElement);
+
+    if (!xContext)
+    {
+        //Hmm, unrecognized for this level, check to see if it's
+        //an element that can have an implicit schema around it
+        xContext = SmXMLDocContext_Impl::createFastChildContext(nElement, xAttrList);
+    }
+    return xContext;
+}
+
+uno::Reference<xml::sax::XFastContextHandler> SmXMLMultiScriptsContext_Impl::createFastChildContext(
+    sal_Int32 nElement, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList)
+{
+    uno::Reference<xml::sax::XFastContextHandler> xContext;
+
+    switch (nElement)
+    {
+        case XML_ELEMENT(MATH, XML_MPRESCRIPTS):
+            bHasPrescripts = true;
+            ProcessSubSupPairs(false);
+            xContext = new SmXMLPrescriptsContext_Impl(GetSmImport());
+            break;
+        case XML_ELEMENT(MATH, XML_NONE):
+            xContext = new SmXMLNoneContext_Impl(GetSmImport());
+            break;
+        default:
+            xContext = SmXMLRowContext_Impl::createFastChildContext(nElement, xAttrList);
+            break;
+    }
+    return xContext;
+}
+
+void SmXMLMultiScriptsContext_Impl::ProcessSubSupPairs(bool bIsPrescript)
+{
+    SmNodeStack& rNodeStack = GetSmImport().GetNodeStack();
+
+    if (rNodeStack.size() <= nElementCount)
+        return;
+
+    auto nCount = rNodeStack.size() - nElementCount - 1;
+    if (nCount == 0)
+        return;
+
+    if (nCount % 2 == 0)
+    {
+        SmToken aToken;
+        aToken.cMathChar = u""_ustr;
+        aToken.eType = bIsPrescript ? TLSUB : TRSUB;
+
+        SmNodeStack aReverseStack;
+        for (size_t i = 0; i < nCount + 1; i++)
+        {
+            auto pNode = std::move(rNodeStack.front());
+            rNodeStack.pop_front();
+            aReverseStack.push_front(std::move(pNode));
+        }
+
+        SmSubSup eSub = bIsPrescript ? LSUB : RSUB;
+        SmSubSup eSup = bIsPrescript ? LSUP : RSUP;
+
+        for (size_t i = 0; i < nCount; i += 2)
+        {
+            std::unique_ptr<SmSubSupNode> pNode(new SmSubSupNode(aToken));
+
+            // initialize subnodes array
+            SmNodeArray aSubNodes(1 + SUBSUP_NUM_ENTRIES);
+
+            /*On each loop the base and its sub sup pair becomes the
+             base for the next loop to which the next sub sup pair is
+             attached, i.e. wheels within wheels*/
+            aSubNodes[0] = popOrZero(aReverseStack).release();
+
+            std::unique_ptr<SmNode> pScriptNode = popOrZero(aReverseStack);
+
+            if (pScriptNode
+                && ((pScriptNode->GetToken().eType != TIDENT)
+                    || (!pScriptNode->GetToken().aText.isEmpty())))
+                aSubNodes[eSub + 1] = pScriptNode.release();
+            pScriptNode = popOrZero(aReverseStack);
+            if (pScriptNode
+                && ((pScriptNode->GetToken().eType != TIDENT)
+                    || (!pScriptNode->GetToken().aText.isEmpty())))
+                aSubNodes[eSup + 1] = pScriptNode.release();
+
+            pNode->SetSubNodes(std::move(aSubNodes));
+            aReverseStack.push_front(std::move(pNode));
+        }
+        assert(!aReverseStack.empty());
+        auto pNode = std::move(aReverseStack.front());
+        aReverseStack.pop_front();
+        rNodeStack.push_front(std::move(pNode));
+    }
+    else
+    {
+        // Ignore odd number of elements.
+        for (size_t i = 0; i < nCount; i++)
+        {
+            rNodeStack.pop_front();
+        }
+    }
+}
+
+void SmXMLTableContext_Impl::endFastElement(sal_Int32)
+{
+    SmNodeArray aExpressionArray;
+    SmNodeStack& rNodeStack = GetSmImport().GetNodeStack();
+    SmNodeStack aReverseStack;
+    aExpressionArray.resize(rNodeStack.size() - nElementCount);
+
+    size_t nRows = rNodeStack.size() - nElementCount;
+    size_t nCols = 0;
+
+    for (size_t i = nRows; i > 0; --i)
+    {
+        SmNode* pArray = rNodeStack.front().release();
+        rNodeStack.pop_front();
+        if (pArray->GetNumSubNodes() == 0)
+        {
+            //This is a little tricky, it is possible that there was
+            //be elements that were not inside a <mtd> pair, in which
+            //case they will not be in a row, i.e. they will not have
+            //SubNodes, so we have to wait until here before we can
+            //resolve the situation. Implicit surrounding tags are
+            //surprisingly difficult to get right within this
+            //architecture
+
+            SmNodeArray aRelationArray;
+            aRelationArray.resize(1);
+            aRelationArray[0] = pArray;
+            SmToken aDummy;
+            SmExpressionNode* pExprNode = new SmExpressionNode(aDummy);
+            pExprNode->SetSubNodes(std::move(aRelationArray));
+            pArray = pExprNode;
+        }
+
+        nCols = std::max(nCols, pArray->GetNumSubNodes());
+        aReverseStack.push_front(std::unique_ptr<SmNode>(pArray));
+    }
+    if (nCols > SAL_MAX_UINT16)
+        throw std::range_error("column limit");
+    if (nRows > SAL_MAX_UINT16)
+        throw std::range_error("row limit");
+    aExpressionArray.resize(nCols * nRows);
+    size_t j = 0;
+    for (auto& elem : aReverseStack)
+    {
+        std::unique_ptr<SmStructureNode> xArray(static_cast<SmStructureNode*>(elem.release()));
+        for (size_t i = 0; i < xArray->GetNumSubNodes(); ++i)
+            aExpressionArray[j++] = xArray->GetSubNode(i);
+        xArray->ClearSubNodes();
+    }
+    aReverseStack.clear();
+
+    SmToken aToken;
+    aToken.cMathChar = u""_ustr;
+    aToken.eType = TMATRIX;
+    std::unique_ptr<SmMatrixNode> pSNode(new SmMatrixNode(aToken));
+    pSNode->SetSubNodes(std::move(aExpressionArray));
+    pSNode->SetRowCol(nRows, nCols);
+    rNodeStack.push_front(std::move(pSNode));
+}
+
+uno::Reference<xml::sax::XFastContextHandler> SmXMLTableRowContext_Impl::createFastChildContext(
+    sal_Int32 nElement, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList)
+{
+    uno::Reference<xml::sax::XFastContextHandler> xContext;
+
+    switch (nElement)
+    {
+        case XML_ELEMENT(MATH, XML_MTD):
+            xContext = new SmXMLTableCellContext_Impl(GetSmImport());
+            break;
+        default:
+            xContext = SmXMLRowContext_Impl::createFastChildContext(nElement, xAttrList);
+            break;
+    }
+    return xContext;
+}
+
+uno::Reference<xml::sax::XFastContextHandler> SmXMLTableContext_Impl::createFastChildContext(
+    sal_Int32 nElement, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList)
+{
+    uno::Reference<xml::sax::XFastContextHandler> xContext;
+
+    switch (nElement)
+    {
+        case XML_ELEMENT(MATH, XML_MTR):
+            xContext = new SmXMLTableRowContext_Impl(GetSmImport());
+            break;
+        default:
+            xContext = SmXMLTableRowContext_Impl::createFastChildContext(nElement, xAttrList);
+            break;
+    }
+    return xContext;
+}
+
+void SmXMLMultiScriptsContext_Impl::endFastElement(sal_Int32)
+{
+    ProcessSubSupPairs(bHasPrescripts);
+}
+
+void SmXMLActionContext_Impl::startFastElement(
+    sal_Int32 /*nElement*/, const uno::Reference<xml::sax::XFastAttributeList>& xAttrList)
+{
+    for (auto& aIter : sax_fastparser::castToFastAttributeList(xAttrList))
+    {
+        switch (aIter.getToken())
+        {
+            case XML_SELECTION:
+            {
+                sal_Int32 n = aIter.toInt32();
+                if (n > 0)
+                    mnSelection = static_cast<size_t>(n);
+            }
+            break;
+            default:
+                XMLOFF_WARN_UNKNOWN("starmath", aIter);
+                break;
+        }
+    }
+}
+
+void SmXMLActionContext_Impl::endFastElement(sal_Int32)
+{
+    SmNodeStack& rNodeStack = GetSmImport().GetNodeStack();
+    auto nSize = rNodeStack.size();
+    if (nSize <= nElementCount)
+    {
+        // not compliant to maction's specification, e.g., no subexpressions
+        return;
+    }
+    assert(mnSelection > 0);
+    if (nSize < nElementCount + mnSelection)
+    {
+        // No selected subexpression exists, which is a MathML error;
+        // fallback to selecting the first
+        mnSelection = 1;
+    }
+    assert(nSize >= nElementCount + mnSelection);
+    for (auto i = nSize - (nElementCount + mnSelection); i > 0; i--)
+    {
+        rNodeStack.pop_front();
+    }
+    auto pSelected = std::move(rNodeStack.front());
+    rNodeStack.pop_front();
+    for (auto i = rNodeStack.size() - nElementCount; i > 0; i--)
+    {
+        rNodeStack.pop_front();
+    }
+    rNodeStack.push_front(std::move(pSelected));
+}
+
+SvXMLImportContext*
+SmXMLImport::CreateFastContext(sal_Int32 nElement,
+                               const uno::Reference<xml::sax::XFastAttributeList>& /*xAttrList*/)
+{
+    SvXMLImportContext* pContext = nullptr;
+
+    switch (nElement)
+    {
+        case XML_ELEMENT(OFFICE, XML_DOCUMENT):
+        case XML_ELEMENT(OFFICE, XML_DOCUMENT_META):
+        {
+            uno::Reference<document::XDocumentPropertiesSupplier> xDPS(GetModel(),
+                                                                       uno::UNO_QUERY_THROW);
+            pContext = ((nElement & TOKEN_MASK) == XML_DOCUMENT_META)
+                           ? new SvXMLMetaDocumentContext(*this, xDPS->getDocumentProperties())
+                           // flat OpenDocument file format -- this has not been tested...
+                           : new SmXMLFlatDocContext_Impl(*this, xDPS->getDocumentProperties());
+        }
+        break;
+        default:
+            if (IsTokenInNamespace(nElement, XML_NAMESPACE_OFFICE))
+                pContext = new SmXMLOfficeContext_Impl(*this);
+            else
+                pContext = new SmXMLDocContext_Impl(*this);
+    }
+    return pContext;
+}
+
+SmXMLImport::~SmXMLImport() noexcept { cleanup(); }
+
+void SmXMLImport::SetViewSettings(const Sequence<PropertyValue>& aViewProps)
+{
+    uno::Reference<frame::XModel> xModel = GetModel();
+    if (!xModel.is())
+        return;
+
+    SmModel* pModel = dynamic_cast<SmModel*>(xModel.get());
+
+    if (!pModel)
+        return;
+
+    SmDocShell* pDocShell = static_cast<SmDocShell*>(pModel->GetObjectShell());
+    if (!pDocShell)
+        return;
+
+    tools::Rectangle aRect(pDocShell->GetVisArea());
+
+    tools::Long nTmp = 0;
+
+    for (const PropertyValue& rValue : aViewProps)
+    {
+        if (rValue.Name == "ViewAreaTop")
+        {
+            rValue.Value >>= nTmp;
+            aRect.SaturatingSetPosY(nTmp);
+        }
+        else if (rValue.Name == "ViewAreaLeft")
+        {
+            rValue.Value >>= nTmp;
+            aRect.SaturatingSetPosX(nTmp);
+        }
+        else if (rValue.Name == "ViewAreaWidth")
+        {
+            rValue.Value >>= nTmp;
+            Size aSize(aRect.GetSize());
+            aSize.setWidth(nTmp);
+            aRect.SaturatingSetSize(aSize);
+        }
+        else if (rValue.Name == "ViewAreaHeight")
+        {
+            rValue.Value >>= nTmp;
+            Size aSize(aRect.GetSize());
+            aSize.setHeight(nTmp);
+            aRect.SaturatingSetSize(aSize);
+        }
+    }
+
+    pDocShell->SetVisArea(aRect);
+}
+
+void SmXMLImport::SetConfigurationSettings(const Sequence<PropertyValue>& aConfProps)
+{
+    uno::Reference<XPropertySet> xProps(GetModel(), UNO_QUERY);
+    if (!xProps.is())
+        return;
+
+    Reference<XPropertySetInfo> xInfo(xProps->getPropertySetInfo());
+    if (!xInfo.is())
+        return;
+
+    static constexpr OUStringLiteral sFormula(u"Formula");
+    static constexpr OUStringLiteral sBasicLibraries(u"BasicLibraries");
+    static constexpr OUStringLiteral sDialogLibraries(u"DialogLibraries");
+    for (const PropertyValue& rValue : aConfProps)
+    {
+        if (rValue.Name != sFormula && rValue.Name != sBasicLibraries
+            && rValue.Name != sDialogLibraries)
+        {
+            try
+            {
+                if (xInfo->hasPropertyByName(rValue.Name))
+                    xProps->setPropertyValue(rValue.Name, rValue.Value);
+            }
+            catch (const beans::PropertyVetoException&)
+            {
+                // dealing with read-only properties here. Nothing to do...
+            }
+            catch (const Exception&)
+            {
+                DBG_UNHANDLED_EXCEPTION("starmath");
+            }
+        }
+    }
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT bool TestImportMML(SvStream& rStream)
+{
+    SmGlobals::ensure();
+
+    SfxObjectShellLock xDocSh(new SmDocShell(SfxModelFlags::EMBEDDED_OBJECT));
+    xDocSh->DoInitNew();
+    uno::Reference<frame::XModel> xModel(xDocSh->GetModel());
+
+    uno::Reference<beans::XPropertySet> xInfoSet;
+    uno::Reference<uno::XComponentContext> xContext(comphelper::getProcessComponentContext());
+    uno::Reference<io::XInputStream> xStream(new utl::OSeekableInputStreamWrapper(rStream));
+
+    //SetLoading hack because the document properties will be re-initted
+    //by the xml filter and during the init, while it's considered uninitialized,
+    //setting a property will inform the document it's modified, which attempts
+    //to update the properties, which throws cause the properties are uninitialized
+    xDocSh->SetLoading(SfxLoadedFlags::NONE);
+
+    ErrCode nRet = ERRCODE_SFX_DOLOADFAILED;
+
+    try
+    {
+        nRet = SmXMLImportWrapper::ReadThroughComponent(xStream, xModel, xContext, xInfoSet,
+                                                        "com.sun.star.comp.Math.XMLImporter", false,
+                                                        false);
+    }
+    catch (...)
+    {
+    }
+
+    xDocSh->SetLoading(SfxLoadedFlags::ALL);
+
+    xDocSh->DoClose();
+
+    return nRet != ERRCODE_NONE;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/mathml/starmathdatabase.cxx b/starmath/source/mathml/starmathdatabase.cxx
new file mode 100644
index 0000000000..6eb6d209c8
--- /dev/null
+++ b/starmath/source/mathml/starmathdatabase.cxx
@@ -0,0 +1,794 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <starmathdatabase.hxx>
+#include <types.hxx>
+
+SmToken starmathdatabase::Identify_SmXMLOperatorContext_Impl(std::u16string_view rText,
+                                                             bool bIsStretchy, sal_Int32 nIndex)
+{
+    auto cChar = o3tl::iterateCodePoints(rText, &nIndex);
+    switch (cChar)
+    {
+        case MS_COPROD:
+            return SmToken(TCOPROD, MS_COPROD, "coprod", TG::Oper, 5);
+        case MS_IIINT:
+            return SmToken(TIIINT, MS_IIINT, "iiint", TG::Oper, 5);
+        case MS_IINT:
+            return SmToken(TIINT, MS_IINT, "iint", TG::Oper, 5);
+        case MS_INT:
+            if (bIsStretchy)
+                return SmToken(TINTD, MS_INT, "intd", TG::Oper, 5);
+            else
+                return SmToken(TINT, MS_INT, "int", TG::Oper, 5);
+        case MS_LINT:
+            return SmToken(TLINT, MS_LINT, "lint", TG::Oper, 5);
+        case MS_LLINT:
+            return SmToken(TLLINT, MS_LLINT, "llint", TG::Oper, 5);
+        case MS_LLLINT:
+            return SmToken(TLLLINT, MS_LLLINT, "lllint", TG::Oper, 5);
+        case MS_PROD:
+            return SmToken(TPROD, MS_PROD, "prod", TG::Oper, 5);
+        case MS_SUM:
+            return SmToken(TSUM, MS_SUM, "sum", TG::Oper, 5);
+        case MS_MAJ:
+            return SmToken(TSUM, MS_MAJ, "maj", TG::Oper, 5);
+        case MS_FACT:
+            return SmToken(TFACT, MS_FACT, "!", TG::UnOper, 5);
+        case MS_NEG:
+            return SmToken(TNEG, MS_NEG, "neg", TG::UnOper, 5);
+        case MS_OMINUS:
+            return SmToken(TOMINUS, MS_OMINUS, "ominus", TG::Sum, 0);
+        case MS_OPLUS:
+            return SmToken(TOPLUS, MS_OPLUS, "oplus", TG::Sum, 0);
+        case MS_UNION:
+            return SmToken(TUNION, MS_UNION, "union", TG::Sum, 0);
+        case MS_OR:
+            return SmToken(TOR, MS_OR, "|", TG::Sum, 5);
+        case MS_PLUSMINUS:
+            return SmToken(TPLUSMINUS, MS_PLUSMINUS, "+-", TG::Sum | TG::UnOper, 5);
+        case MS_MINUSPLUS:
+            return SmToken(TMINUSPLUS, MS_MINUSPLUS, "-+", TG::Sum | TG::UnOper, 5);
+        case 0xe083:
+        case MS_PLUS:
+            return SmToken(TPLUS, MS_PLUS, "+", TG::Sum | TG::UnOper, 5);
+        case MS_MINUS:
+            return SmToken(TMINUS, MS_MINUS, "-", TG::Sum | TG::UnOper, 5);
+        case 0x2022:
+        case MS_CDOT:
+            return SmToken(TCDOT, MS_CDOT, "cdot", TG::Product, 0);
+        case MS_DIV:
+            return SmToken(TDIV, MS_DIV, "div", TG::Product, 0);
+        case MS_TIMES:
+            return SmToken(TTIMES, MS_TIMES, "times", TG::Product, 0);
+        case MS_INTERSECT:
+            return SmToken(TINTERSECT, MS_INTERSECT, "intersection", TG::Product, 0);
+        case MS_ODIVIDE:
+            return SmToken(TODIVIDE, MS_ODIVIDE, "odivide", TG::Product, 0);
+        case MS_ODOT:
+            return SmToken(TODOT, MS_ODOT, "odot", TG::Product, 0);
+        case MS_OTIMES:
+            return SmToken(TOTIMES, MS_OTIMES, "otimes", TG::Product, 0);
+        case MS_AND:
+            return SmToken(TAND, MS_AND, "&", TG::Product, 0);
+        case MS_MULTIPLY:
+            return SmToken(TMULTIPLY, MS_MULTIPLY, "*", TG::Product, 0);
+        case MS_SLASH:
+            if (bIsStretchy)
+                return SmToken(TWIDESLASH, MS_SLASH, "wideslash", TG::Product, 0);
+            else
+                return SmToken(TSLASH, MS_SLASH, "slash", TG::Product, 0);
+        case MS_BACKSLASH:
+            if (bIsStretchy)
+                return SmToken(TWIDEBACKSLASH, MS_BACKSLASH, "widebslash", TG::Product, 0);
+            else
+                return SmToken(TBACKSLASH, MS_BACKSLASH, "bslash", TG::Product, 0);
+        case MS_DEF:
+            return SmToken(TDEF, MS_DEF, "def", TG::Relation, 0);
+        case MS_LINE:
+            return SmToken(TDIVIDES, MS_LINE, "divides", TG::Relation, 0);
+        case MS_EQUIV:
+            return SmToken(TEQUIV, MS_EQUIV, "equiv", TG::Relation, 0);
+        case MS_GE:
+            return SmToken(TGE, MS_GE, ">=", TG::Relation, 0);
+        case MS_GESLANT:
+            return SmToken(TGESLANT, MS_GESLANT, "geslant", TG::Relation, 0);
+        case MS_GG:
+            return SmToken(TGG, MS_GG, ">>", TG::Relation, 0);
+        case MS_GT:
+            return SmToken(TGT, MS_GT, ">", TG::Relation, 0);
+        case MS_IN:
+            return SmToken(TIN, MS_IN, "in", TG::Relation, 0);
+        case MS_LE:
+            return SmToken(TLE, MS_LE, "<=", TG::Relation, 0);
+        case MS_LESLANT:
+            return SmToken(TLESLANT, MS_LESLANT, "leslant", TG::Relation, 0);
+        case MS_LL:
+            return SmToken(TLL, MS_LL, "<<", TG::Relation, 0);
+        case MS_LT:
+            return SmToken(TLT, MS_LT, "<", TG::Relation, 0);
+        case MS_NDIVIDES:
+            return SmToken(TNDIVIDES, MS_NDIVIDES, "ndivides", TG::Relation, 0);
+        case MS_NEQ:
+            return SmToken(TNEQ, MS_NEQ, "<>", TG::Relation, 0);
+        case MS_NOTIN:
+            return SmToken(TNOTIN, MS_NOTIN, "notin", TG::Relation, 0);
+        case MS_NOTPRECEDES:
+            return SmToken(TNOTPRECEDES, MS_NOTPRECEDES, "nprec", TG::Relation, 0);
+        case MS_NSUBSET:
+            return SmToken(TNSUBSET, MS_NSUBSET, "nsubset", TG::Relation, 0);
+        case MS_NSUBSETEQ:
+            return SmToken(TNSUBSETEQ, MS_NSUBSETEQ, "nsubseteq", TG::Relation, 0);
+        case MS_NOTSUCCEEDS:
+            return SmToken(TNOTSUCCEEDS, MS_NOTSUCCEEDS, "nsucc", TG::Relation, 0);
+        case MS_NSUPSET:
+            return SmToken(TNSUPSET, MS_NSUPSET, "nsupset", TG::Relation, 0);
+        case MS_NSUPSETEQ:
+            return SmToken(TNSUPSETEQ, MS_NSUPSETEQ, "nsupseteq", TG::Relation, 0);
+        case MS_ORTHO:
+            return SmToken(TORTHO, MS_ORTHO, "ortho", TG::Relation, 0);
+        case MS_NI:
+            return SmToken(TNI, MS_NI, "owns", TG::Relation, 0);
+        case MS_DLINE:
+            return SmToken(TPARALLEL, MS_DLINE, "parallel", TG::Relation, 0);
+        case MS_PRECEDES:
+            return SmToken(TPRECEDES, MS_PRECEDES, "prec", TG::Relation, 0);
+        case MS_PRECEDESEQUAL:
+            return SmToken(TPRECEDESEQUAL, MS_PRECEDESEQUAL, "preccurlyeq", TG::Relation, 0);
+        case MS_PRECEDESEQUIV:
+            return SmToken(TPRECEDESEQUIV, MS_PRECEDESEQUIV, "precsim", TG::Relation, 0);
+        case MS_PROP:
+            return SmToken(TPROP, MS_PROP, "prop", TG::Relation, 0);
+        case MS_SIM:
+            return SmToken(TSIM, MS_SIM, "sim", TG::Relation, 0);
+        case 0x2245:
+        case MS_SIMEQ:
+            return SmToken(TSIMEQ, MS_SIMEQ, "simeq", TG::Relation, 0);
+        case MS_SUBSET:
+            return SmToken(TSUBSET, MS_SUBSET, "subset", TG::Relation, 0);
+        case MS_SUBSETEQ:
+            return SmToken(TSUBSETEQ, MS_SUBSETEQ, "subseteq", TG::Relation, 0);
+        case MS_SUCCEEDS:
+            return SmToken(TSUCCEEDS, MS_SUCCEEDS, "succ", TG::Relation, 0);
+        case MS_SUCCEEDSEQUAL:
+            return SmToken(TSUCCEEDSEQUAL, MS_SUCCEEDSEQUAL, "succcurlyeq", TG::Relation, 0);
+        case MS_SUCCEEDSEQUIV:
+            return SmToken(TSUCCEEDSEQUIV, MS_SUCCEEDSEQUIV, "succsim", TG::Relation, 0);
+        case MS_SUPSET:
+            return SmToken(TSUPSET, MS_SUPSET, "supset", TG::Relation, 0);
+        case MS_SUPSETEQ:
+            return SmToken(TSUPSETEQ, MS_SUPSETEQ, "supseteq", TG::Relation, 0);
+        case MS_RIGHTARROW:
+            return SmToken(TTOWARD, MS_RIGHTARROW, "toward", TG::Relation, 0);
+        case MS_TRANSL:
+            return SmToken(TTRANSL, MS_TRANSL, "transl", TG::Relation, 0);
+        case MS_TRANSR:
+            return SmToken(TTRANSR, MS_TRANSR, "transr", TG::Relation, 0);
+        case MS_ASSIGN:
+            return SmToken(TASSIGN, MS_ASSIGN, "=", TG::Relation, 0);
+        case MS_LANGLE:
+            return SmToken(TLANGLE, MS_LMATHANGLE, "langle", TG::LBrace, 5);
+        case MS_LMATHANGLE:
+            return SmToken(TLANGLE, MS_LMATHANGLE, "langle", TG::LBrace, 5);
+        case MS_LBRACE:
+            return SmToken(TLBRACE, MS_LBRACE, "lbrace", TG::LBrace, 5);
+        case MS_LCEIL:
+            return SmToken(TLCEIL, MS_LCEIL, "lceil", TG::LBrace, 5);
+        case MS_LFLOOR:
+            return SmToken(TLFLOOR, MS_LFLOOR, "lfloor", TG::LBrace, 5);
+        case MS_LDBRACKET:
+            return SmToken(TLDBRACKET, MS_LDBRACKET, "ldbracket", TG::LBrace, 5);
+        case MS_LBRACKET:
+            return SmToken(TLBRACKET, MS_LBRACKET, "[", TG::LBrace, 5);
+        case MS_LPARENT:
+            return SmToken(TLPARENT, MS_LPARENT, "(", TG::LBrace, 5);
+        case MS_RANGLE:
+            return SmToken(TRANGLE, MS_RMATHANGLE, "rangle", TG::RBrace, 5);
+        case MS_RMATHANGLE:
+            return SmToken(TRANGLE, MS_RMATHANGLE, "rangle", TG::RBrace, 5);
+        case MS_RBRACE:
+            return SmToken(TRBRACE, MS_RBRACE, "rbrace", TG::RBrace, 5);
+        case MS_RCEIL:
+            return SmToken(TRCEIL, MS_RCEIL, "rceil", TG::RBrace, 5);
+        case MS_RFLOOR:
+            return SmToken(TRFLOOR, MS_RFLOOR, "rfloor", TG::RBrace, 5);
+        case MS_RDBRACKET:
+            return SmToken(TRDBRACKET, MS_RDBRACKET, "rdbracket", TG::RBrace, 5);
+        case MS_RBRACKET:
+            return SmToken(TRBRACKET, MS_RBRACKET, "]", TG::RBrace, 5);
+        case MS_RPARENT:
+            return SmToken(TRPARENT, MS_RPARENT, ")", TG::RBrace, 5);
+        case MS_NONE:
+            return SmToken(TNONE, MS_NONE, "none", TG::RBrace | TG::LBrace, 5);
+        default:
+            return SmToken(TERROR, MS_NONE, "", TG::NONE, SAL_MAX_UINT16);
+    }
+}
+
+SmToken starmathdatabase::Identify_Prefix_SmXMLOperatorContext_Impl(std::u16string_view rText,
+                                                                    sal_Int32 nIndex)
+{
+    auto cChar = o3tl::iterateCodePoints(rText, &nIndex);
+    switch (cChar)
+    {
+        case MS_VERTLINE:
+            return SmToken(TLLINE, MS_VERTLINE, "lline", TG::LBrace, 5);
+        case MS_DVERTLINE:
+            return SmToken(TLDLINE, MS_DVERTLINE, "ldline", TG::LBrace, 5);
+        case MS_LANGLE:
+            return SmToken(TLANGLE, MS_LMATHANGLE, "langle", TG::LBrace, 5);
+        case MS_LMATHANGLE:
+            return SmToken(TLANGLE, MS_LMATHANGLE, "langle", TG::LBrace, 5);
+        case MS_LBRACE:
+            return SmToken(TLBRACE, MS_LBRACE, "lbrace", TG::LBrace, 5);
+        case MS_LCEIL:
+            return SmToken(TLCEIL, MS_LCEIL, "lceil", TG::LBrace, 5);
+        case MS_LFLOOR:
+            return SmToken(TLFLOOR, MS_LFLOOR, "lfloor", TG::LBrace, 5);
+        case MS_LDBRACKET:
+            return SmToken(TLDBRACKET, MS_LDBRACKET, "ldbracket", TG::LBrace, 5);
+        case MS_LBRACKET:
+            return SmToken(TLBRACKET, MS_LBRACKET, "[", TG::LBrace, 5);
+        case MS_LPARENT:
+            return SmToken(TLPARENT, MS_LPARENT, "(", TG::LBrace, 5);
+        case MS_RANGLE:
+            return SmToken(TRANGLE, MS_RMATHANGLE, "rangle", TG::RBrace, 5);
+        case MS_RMATHANGLE:
+            return SmToken(TRANGLE, MS_RMATHANGLE, "rangle", TG::RBrace, 5);
+        case MS_RBRACE:
+            return SmToken(TRBRACE, MS_RBRACE, "rbrace", TG::RBrace, 5);
+        case MS_RCEIL:
+            return SmToken(TRCEIL, MS_RCEIL, "rceil", TG::RBrace, 5);
+        case MS_RFLOOR:
+            return SmToken(TRFLOOR, MS_RFLOOR, "rfloor", TG::RBrace, 5);
+        case MS_RDBRACKET:
+            return SmToken(TRDBRACKET, MS_RDBRACKET, "rdbracket", TG::RBrace, 5);
+        case MS_RBRACKET:
+            return SmToken(TRBRACKET, MS_RBRACKET, "]", TG::RBrace, 5);
+        case MS_RPARENT:
+            return SmToken(TRPARENT, MS_RPARENT, ")", TG::RBrace, 5);
+        case MS_NONE:
+            return SmToken(TNONE, MS_NONE, "none", TG::LBrace | TG::RBrace, 5);
+        default:
+            return SmToken(TERROR, MS_NONE, "", TG::NONE, SAL_MAX_UINT16);
+    }
+}
+
+SmToken starmathdatabase::Identify_Postfix_SmXMLOperatorContext_Impl(std::u16string_view rText,
+                                                                     sal_Int32 nIndex)
+{
+    auto cChar = o3tl::iterateCodePoints(rText, &nIndex);
+    switch (cChar)
+    {
+        case MS_VERTLINE:
+            return SmToken(TRLINE, MS_VERTLINE, "rline", TG::RBrace, 5);
+        case MS_DVERTLINE:
+            return SmToken(TRDLINE, MS_DVERTLINE, "rdline", TG::RBrace, 5);
+        case MS_LANGLE:
+            return SmToken(TLANGLE, MS_LMATHANGLE, "langle", TG::LBrace, 5);
+        case MS_LMATHANGLE:
+            return SmToken(TLANGLE, MS_LMATHANGLE, "langle", TG::LBrace, 5);
+        case MS_LBRACE:
+            return SmToken(TLBRACE, MS_LBRACE, "lbrace", TG::LBrace, 5);
+        case MS_LCEIL:
+            return SmToken(TLCEIL, MS_LCEIL, "lceil", TG::LBrace, 5);
+        case MS_LFLOOR:
+            return SmToken(TLFLOOR, MS_LFLOOR, "lfloor", TG::LBrace, 5);
+        case MS_LDBRACKET:
+            return SmToken(TLDBRACKET, MS_LDBRACKET, "ldbracket", TG::LBrace, 5);
+        case MS_LBRACKET:
+            return SmToken(TLBRACKET, MS_LBRACKET, "[", TG::LBrace, 5);
+        case MS_LPARENT:
+            return SmToken(TLPARENT, MS_LPARENT, "(", TG::LBrace, 5);
+        case MS_RANGLE:
+            return SmToken(TRANGLE, MS_RMATHANGLE, "rangle", TG::RBrace, 5);
+        case MS_RMATHANGLE:
+            return SmToken(TRANGLE, MS_RMATHANGLE, "rangle", TG::RBrace, 5);
+        case MS_RBRACE:
+            return SmToken(TRBRACE, MS_RBRACE, "rbrace", TG::RBrace, 5);
+        case MS_RCEIL:
+            return SmToken(TRCEIL, MS_RCEIL, "rceil", TG::RBrace, 5);
+        case MS_RFLOOR:
+            return SmToken(TRFLOOR, MS_RFLOOR, "rfloor", TG::RBrace, 5);
+        case MS_RDBRACKET:
+            return SmToken(TRDBRACKET, MS_RDBRACKET, "rdbracket", TG::RBrace, 5);
+        case MS_RBRACKET:
+            return SmToken(TRBRACKET, MS_RBRACKET, "]", TG::RBrace, 5);
+        case MS_RPARENT:
+            return SmToken(TRPARENT, MS_RPARENT, ")", TG::RBrace, 5);
+        case MS_NONE:
+            return SmToken(TNONE, MS_NONE, "none", TG::LBrace | TG::RBrace, 5);
+        default:
+            return SmToken(TERROR, MS_NONE, "", TG::NONE, SAL_MAX_UINT16);
+    }
+}
+
+SmToken
+starmathdatabase::Identify_PrefixPostfix_SmXMLOperatorContext_Impl(std::u16string_view rText,
+                                                                   sal_Int32 nIndex)
+{
+    auto cChar = o3tl::iterateCodePoints(rText, &nIndex);
+    switch (cChar)
+    {
+        case MS_VERTLINE:
+            return SmToken(TLRLINE, MS_VERTLINE, "lrline", TG::LBrace | TG::RBrace, 5);
+        case MS_DVERTLINE:
+            return SmToken(TLRDLINE, MS_DVERTLINE, "lrdline", TG::LBrace | TG::RBrace, 5);
+        case MS_LANGLE:
+            return SmToken(TLANGLE, MS_LMATHANGLE, "langle", TG::LBrace, 5);
+        case MS_LMATHANGLE:
+            return SmToken(TLANGLE, MS_LMATHANGLE, "langle", TG::LBrace, 5);
+        case MS_LBRACE:
+            return SmToken(TLBRACE, MS_LBRACE, "lbrace", TG::LBrace, 5);
+        case MS_LCEIL:
+            return SmToken(TLCEIL, MS_LCEIL, "lceil", TG::LBrace, 5);
+        case MS_LFLOOR:
+            return SmToken(TLFLOOR, MS_LFLOOR, "lfloor", TG::LBrace, 5);
+        case MS_LDBRACKET:
+            return SmToken(TLDBRACKET, MS_LDBRACKET, "ldbracket", TG::LBrace, 5);
+        case MS_LBRACKET:
+            return SmToken(TLBRACKET, MS_LBRACKET, "[", TG::LBrace, 5);
+        case MS_LPARENT:
+            return SmToken(TLPARENT, MS_LPARENT, "(", TG::LBrace, 5);
+        case MS_RANGLE:
+            return SmToken(TRANGLE, MS_RMATHANGLE, "rangle", TG::RBrace, 5);
+        case MS_RMATHANGLE:
+            return SmToken(TRANGLE, MS_RMATHANGLE, "rangle", TG::RBrace, 5);
+        case MS_RBRACE:
+            return SmToken(TRBRACE, MS_RBRACE, "rbrace", TG::RBrace, 5);
+        case MS_RCEIL:
+            return SmToken(TRCEIL, MS_RCEIL, "rceil", TG::RBrace, 5);
+        case MS_RFLOOR:
+            return SmToken(TRFLOOR, MS_RFLOOR, "rfloor", TG::RBrace, 5);
+        case MS_RDBRACKET:
+            return SmToken(TRDBRACKET, MS_RDBRACKET, "rdbracket", TG::RBrace, 5);
+        case MS_RBRACKET:
+            return SmToken(TRBRACKET, MS_RBRACKET, "]", TG::RBrace, 5);
+        case MS_RPARENT:
+            return SmToken(TRPARENT, MS_RPARENT, ")", TG::RBrace, 5);
+        case MS_NONE:
+            return SmToken(TNONE, MS_NONE, "none", TG::LBrace | TG::RBrace, 5);
+        default:
+            return SmToken(TERROR, MS_NONE, "", TG::NONE, SAL_MAX_UINT16);
+    }
+}
+
+const SmColorTokenTableEntry starmathdatabase::aColorTokenTableParse[]
+    = { { "aliceblue", THTMLCOL, COL_SM_ALICEBLUE },
+        { "antiquewhite", THTMLCOL, COL_SM_ANTIQUEWHITE },
+        { "aqua", TMATHMLCOL, COL_SM_AQUA },
+        { "aquamarine", THTMLCOL, COL_SM_AQUAMARINE },
+        { "azure", THTMLCOL, COL_SM_AZURE },
+        { "beige", THTMLCOL, COL_SM_BEIGE },
+        { "bisque", THTMLCOL, COL_SM_BISQUE },
+        { "black", TMATHMLCOL, COL_SM_BLACK },
+        { "blanchedalmond", THTMLCOL, COL_SM_BLANCHEDALMOND },
+        { "blue", TMATHMLCOL, COL_SM_BLUE },
+        { "blueviolet", THTMLCOL, COL_SM_BLUEVIOLET },
+        { "brown", THTMLCOL, COL_SM_BROWN },
+        { "burlywood", THTMLCOL, COL_SM_BURLYWOOD },
+        { "cadetblue", THTMLCOL, COL_SM_CADETBLUE },
+        { "chartreuse", THTMLCOL, COL_SM_CHARTREUSE },
+        { "chocolate", THTMLCOL, COL_SM_CHOCOLATE },
+        { "coral", THTMLCOL, COL_SM_CORAL },
+        { "cornflowerblue", THTMLCOL, COL_SM_CORNFLOWERBLUE },
+        { "cornsilk", THTMLCOL, COL_SM_CORNSILK },
+        { "crimson", THTMLCOL, COL_SM_CRIMSON },
+        { "cyan", TMATHMLCOL, COL_SM_CYAN },
+        { "darkblue", THTMLCOL, COL_SM_DARKBLUE },
+        { "darkcyan", THTMLCOL, COL_SM_DARKCYAN },
+        { "darkgoldenrod", THTMLCOL, COL_SM_DARKGOLDENROD },
+        { "darkgray", THTMLCOL, COL_SM_DARKGRAY },
+        { "darkgreen", THTMLCOL, COL_SM_DARKGREEN },
+        { "darkgrey", THTMLCOL, COL_SM_DARKGREY },
+        { "darkkhaki", THTMLCOL, COL_SM_DARKKHAKI },
+        { "darkmagenta", THTMLCOL, COL_SM_DARKMAGENTA },
+        { "darkolivegreen", THTMLCOL, COL_SM_DARKOLIVEGREEN },
+        { "darkorange", THTMLCOL, COL_SM_DARKORANGE },
+        { "darkorchid", THTMLCOL, COL_SM_DARKORCHID },
+        { "darkred", THTMLCOL, COL_SM_DARKRED },
+        { "darksalmon", THTMLCOL, COL_SM_DARKSALMON },
+        { "darkseagreen", THTMLCOL, COL_SM_DARKSEAGREEN },
+        { "darkslateblue", THTMLCOL, COL_SM_DARKSLATEBLUE },
+        { "darkslategray", THTMLCOL, COL_SM_DARKSLATEGRAY },
+        { "darkslategrey", THTMLCOL, COL_SM_DARKSLATEGREY },
+        { "darkturquoise", THTMLCOL, COL_SM_DARKTURQUOISE },
+        { "darkviolet", THTMLCOL, COL_SM_DARKVIOLET },
+        { "debian", TICONICCOL, COL_SM_DEBIAN_MAGENTA },
+        { "deeppink", THTMLCOL, COL_SM_DEEPPINK },
+        { "deepskyblue", THTMLCOL, COL_SM_DEEPSKYBLUE },
+        { "dimgray", THTMLCOL, COL_SM_DIMGRAY },
+        { "dimgrey", THTMLCOL, COL_SM_DIMGREY },
+        { "dodgerblue", THTMLCOL, COL_SM_DODGERBLUE },
+        { "dvip", TDVIPSNAMESCOL, COL_SM_BLACK },
+        { "firebrick", THTMLCOL, COL_SM_FIREBRICK },
+        { "floralwhite", THTMLCOL, COL_SM_FLORALWHITE },
+        { "forestgreen", THTMLCOL, COL_SM_FORESTGREEN },
+        { "fuchsia", TMATHMLCOL, COL_SM_FUCHSIA },
+        { "gainsboro", THTMLCOL, COL_SM_GAINSBORO },
+        { "ghostwhite", THTMLCOL, COL_SM_GHOSTWHITE },
+        { "gold", THTMLCOL, COL_SM_GOLD },
+        { "goldenrod", THTMLCOL, COL_SM_GOLDENROD },
+        { "gray", TMATHMLCOL, COL_SM_GRAY },
+        { "green", TMATHMLCOL, COL_SM_GREEN },
+        { "greenyellow", THTMLCOL, COL_SM_GREENYELLOW },
+        { "grey", THTMLCOL, COL_SM_GREY },
+        { "hex", THEX, COL_SM_BLACK },
+        { "honeydew", THTMLCOL, COL_SM_HONEYDEW },
+        { "hotpink", THTMLCOL, COL_SM_HOTPINK },
+        { "indianred", THTMLCOL, COL_SM_INDIANRED },
+        { "indigo", THTMLCOL, COL_SM_INDIGO },
+        { "ivory", THTMLCOL, COL_SM_IVORY },
+        { "khaki", THTMLCOL, COL_SM_KHAKI },
+        { "lavender", THTMLCOL, COL_SM_LAVENDER },
+        { "lavenderblush", THTMLCOL, COL_SM_LAVENDERBLUSH },
+        { "lawngreen", THTMLCOL, COL_SM_LAWNGREEN },
+        { "lemonchiffon", THTMLCOL, COL_SM_LEMONCHIFFON },
+        { "lightblue", THTMLCOL, COL_SM_LIGHTBLUE },
+        { "lightcoral", THTMLCOL, COL_SM_LIGHTCORAL },
+        { "lightcyan", THTMLCOL, COL_SM_LIGHTCYAN },
+        { "lightgoldenrodyellow", THTMLCOL, COL_SM_LIGHTGOLDENRODYELLOW },
+        { "lightgray", THTMLCOL, COL_SM_LIGHTGRAY },
+        { "lightgreen", THTMLCOL, COL_SM_LIGHTGREEN },
+        { "lightgrey", THTMLCOL, COL_SM_LIGHTGREY },
+        { "lightpink", THTMLCOL, COL_SM_LIGHTPINK },
+        { "lightsalmon", THTMLCOL, COL_SM_LIGHTSALMON },
+        { "lightseagreen", THTMLCOL, COL_SM_LIGHTSEAGREEN },
+        { "lightskyblue", THTMLCOL, COL_SM_LIGHTSKYBLUE },
+        { "lightslategray", THTMLCOL, COL_SM_LIGHTSLATEGRAY },
+        { "lightslategrey", THTMLCOL, COL_SM_LIGHTSLATEGREY },
+        { "lightsteelblue", THTMLCOL, COL_SM_LIGHTSTEELBLUE },
+        { "lightyellow", THTMLCOL, COL_SM_LIGHTYELLOW },
+        { "lime", TMATHMLCOL, COL_SM_LIME },
+        { "limegreen", THTMLCOL, COL_SM_LIMEGREEN },
+        { "linen", THTMLCOL, COL_SM_LINEN },
+        { "lo", TICONICCOL, COL_SM_LO_GREEN },
+        { "magenta", TMATHMLCOL, COL_SM_MAGENTA },
+        { "maroon", TMATHMLCOL, COL_SM_MAROON },
+        { "mediumaquamarine", THTMLCOL, COL_SM_MEDIUMAQUAMARINE },
+        { "mediumblue", THTMLCOL, COL_SM_MEDIUMBLUE },
+        { "mediumorchid", THTMLCOL, COL_SM_MEDIUMORCHID },
+        { "mediumpurple", THTMLCOL, COL_SM_MEDIUMPURPLE },
+        { "mediumseagreen", THTMLCOL, COL_SM_MEDIUMSEAGREEN },
+        { "mediumslateblue", THTMLCOL, COL_SM_MEDIUMSLATEBLUE },
+        { "mediumspringgreen", THTMLCOL, COL_SM_MEDIUMSPRINGGREEN },
+        { "mediumturquoise", THTMLCOL, COL_SM_MEDIUMTURQUOISE },
+        { "mediumvioletred", THTMLCOL, COL_SM_MEDIUMVIOLETRED },
+        { "midnightblue", THTMLCOL, COL_SM_MIDNIGHTBLUE },
+        { "mintcream", THTMLCOL, COL_SM_MINTCREAM },
+        { "mistyrose", THTMLCOL, COL_SM_MISTYROSE },
+        { "moccasin", THTMLCOL, COL_SM_MOCCASIN },
+        { "navajowhite", THTMLCOL, COL_SM_NAVAJOWHITE },
+        { "navy", TMATHMLCOL, COL_SM_NAVY },
+        { "oldlace", THTMLCOL, COL_SM_OLDLACE },
+        { "olive", TMATHMLCOL, COL_SM_OLIVE },
+        { "olivedrab", THTMLCOL, COL_SM_OLIVEDRAB },
+        { "orange", THTMLCOL, COL_SM_ORANGE },
+        { "orangered", THTMLCOL, COL_SM_ORANGERED },
+        { "orchid", THTMLCOL, COL_SM_ORCHID },
+        { "palegoldenrod", THTMLCOL, COL_SM_PALEGOLDENROD },
+        { "palegreen", THTMLCOL, COL_SM_PALEGREEN },
+        { "paleturquoise", THTMLCOL, COL_SM_PALETURQUOISE },
+        { "palevioletred", THTMLCOL, COL_SM_PALEVIOLETRED },
+        { "papayawhip", THTMLCOL, COL_SM_PAPAYAWHIP },
+        { "peachpuff", THTMLCOL, COL_SM_PEACHPUFF },
+        { "peru", THTMLCOL, COL_SM_PERU },
+        { "pink", THTMLCOL, COL_SM_PINK },
+        { "plum", THTMLCOL, COL_SM_PLUM },
+        { "powderblue", THTMLCOL, COL_SM_POWDERBLUE },
+        { "purple", TMATHMLCOL, COL_SM_PURPLE },
+        { "rebeccapurple", THTMLCOL, COL_SM_REBECCAPURPLE },
+        { "red", TMATHMLCOL, COL_SM_RED },
+        { "rgb", TRGB, COL_AUTO },
+        { "rgba", TRGBA, COL_AUTO },
+        { "rosybrown", THTMLCOL, COL_SM_ROSYBROWN },
+        { "royalblue", THTMLCOL, COL_SM_ROYALBLUE },
+        { "saddlebrown", THTMLCOL, COL_SM_SADDLEBROWN },
+        { "salmon", THTMLCOL, COL_SM_SALMON },
+        { "sandybrown", THTMLCOL, COL_SM_SANDYBROWN },
+        { "seagreen", THTMLCOL, COL_SM_SEAGREEN },
+        { "seashell", THTMLCOL, COL_SM_SEASHELL },
+        { "sienna", THTMLCOL, COL_SM_SIENNA },
+        { "silver", TMATHMLCOL, COL_SM_SILVER },
+        { "skyblue", THTMLCOL, COL_SM_SKYBLUE },
+        { "slateblue", THTMLCOL, COL_SM_SLATEBLUE },
+        { "slategray", THTMLCOL, COL_SM_SLATEGRAY },
+        { "slategrey", THTMLCOL, COL_SM_SLATEGREY },
+        { "snow", THTMLCOL, COL_SM_SNOW },
+        { "springgreen", THTMLCOL, COL_SM_SPRINGGREEN },
+        { "steelblue", THTMLCOL, COL_SM_STEELBLUE },
+        { "tan", THTMLCOL, COL_SM_TAN },
+        { "teal", TMATHMLCOL, COL_SM_TEAL },
+        { "thistle", THTMLCOL, COL_SM_THISTLE },
+        { "tomato", THTMLCOL, COL_SM_TOMATO },
+        { "turquoise", THTMLCOL, COL_SM_TURQUOISE },
+        { "ubuntu", TICONICCOL, COL_SM_UBUNTU_ORANGE },
+        { "violet", THTMLCOL, COL_SM_VIOLET },
+        { "wheat", THTMLCOL, COL_SM_WHEAT },
+        { "white", TMATHMLCOL, COL_SM_WHITE },
+        { "whitesmoke", THTMLCOL, COL_SM_WHITESMOKE },
+        { "yellow", TMATHMLCOL, COL_SM_YELLOW },
+        { "yellowgreen", THTMLCOL, COL_SM_YELLOWGREEN } };
+
+const SmColorTokenTableEntry starmathdatabase::aColorTokenTableHTML[]
+    = { { "aliceblue", THTMLCOL, COL_SM_ALICEBLUE },
+        { "antiquewhite", THTMLCOL, COL_SM_ANTIQUEWHITE },
+        { "aqua", TMATHMLCOL, COL_SM_AQUA },
+        { "aquamarine", THTMLCOL, COL_SM_AQUAMARINE },
+        { "azure", THTMLCOL, COL_SM_AZURE },
+        { "beige", THTMLCOL, COL_SM_BEIGE },
+        { "bisque", THTMLCOL, COL_SM_BISQUE },
+        { "black", TMATHMLCOL, COL_SM_BLACK },
+        { "blanchedalmond", THTMLCOL, COL_SM_BLANCHEDALMOND },
+        { "blue", TMATHMLCOL, COL_SM_BLUE },
+        { "blueviolet", THTMLCOL, COL_SM_BLUEVIOLET },
+        { "brown", THTMLCOL, COL_SM_BROWN },
+        { "burlywood", THTMLCOL, COL_SM_BURLYWOOD },
+        { "cadetblue", THTMLCOL, COL_SM_CADETBLUE },
+        { "chartreuse", THTMLCOL, COL_SM_CHARTREUSE },
+        { "chocolate", THTMLCOL, COL_SM_CHOCOLATE },
+        { "coral", THTMLCOL, COL_SM_CORAL },
+        { "cornflowerblue", THTMLCOL, COL_SM_CORNFLOWERBLUE },
+        { "cornsilk", THTMLCOL, COL_SM_CORNSILK },
+        { "crimson", THTMLCOL, COL_SM_CRIMSON },
+        { "cyan", TMATHMLCOL, COL_SM_CYAN },
+        { "darkblue", THTMLCOL, COL_SM_DARKBLUE },
+        { "darkcyan", THTMLCOL, COL_SM_DARKCYAN },
+        { "darkgoldenrod", THTMLCOL, COL_SM_DARKGOLDENROD },
+        { "darkgray", THTMLCOL, COL_SM_DARKGRAY },
+        { "darkgreen", THTMLCOL, COL_SM_DARKGREEN },
+        { "darkgrey", THTMLCOL, COL_SM_DARKGREY },
+        { "darkkhaki", THTMLCOL, COL_SM_DARKKHAKI },
+        { "darkmagenta", THTMLCOL, COL_SM_DARKMAGENTA },
+        { "darkolivegreen", THTMLCOL, COL_SM_DARKOLIVEGREEN },
+        { "darkorange", THTMLCOL, COL_SM_DARKORANGE },
+        { "darkorchid", THTMLCOL, COL_SM_DARKORCHID },
+        { "darkred", THTMLCOL, COL_SM_DARKRED },
+        { "darksalmon", THTMLCOL, COL_SM_DARKSALMON },
+        { "darkseagreen", THTMLCOL, COL_SM_DARKSEAGREEN },
+        { "darkslateblue", THTMLCOL, COL_SM_DARKSLATEBLUE },
+        { "darkslategray", THTMLCOL, COL_SM_DARKSLATEGRAY },
+        { "darkslategrey", THTMLCOL, COL_SM_DARKSLATEGREY },
+        { "darkturquoise", THTMLCOL, COL_SM_DARKTURQUOISE },
+        { "darkviolet", THTMLCOL, COL_SM_DARKVIOLET },
+        { "deeppink", THTMLCOL, COL_SM_DEEPPINK },
+        { "deepskyblue", THTMLCOL, COL_SM_DEEPSKYBLUE },
+        { "dimgray", THTMLCOL, COL_SM_DIMGRAY },
+        { "dimgrey", THTMLCOL, COL_SM_DIMGREY },
+        { "dodgerblue", THTMLCOL, COL_SM_DODGERBLUE },
+        { "firebrick", THTMLCOL, COL_SM_FIREBRICK },
+        { "floralwhite", THTMLCOL, COL_SM_FLORALWHITE },
+        { "forestgreen", THTMLCOL, COL_SM_FORESTGREEN },
+        { "fuchsia", TMATHMLCOL, COL_SM_FUCHSIA },
+        { "gainsboro", THTMLCOL, COL_SM_GAINSBORO },
+        { "ghostwhite", THTMLCOL, COL_SM_GHOSTWHITE },
+        { "gold", THTMLCOL, COL_SM_GOLD },
+        { "goldenrod", THTMLCOL, COL_SM_GOLDENROD },
+        { "gray", TMATHMLCOL, COL_SM_GRAY },
+        { "green", TMATHMLCOL, COL_SM_GREEN },
+        { "greenyellow", THTMLCOL, COL_SM_GREENYELLOW },
+        { "grey", THTMLCOL, COL_SM_GREY },
+        { "honeydew", THTMLCOL, COL_SM_HONEYDEW },
+        { "hotpink", THTMLCOL, COL_SM_HOTPINK },
+        { "indianred", THTMLCOL, COL_SM_INDIANRED },
+        { "indigo", THTMLCOL, COL_SM_INDIGO },
+        { "ivory", THTMLCOL, COL_SM_IVORY },
+        { "khaki", THTMLCOL, COL_SM_KHAKI },
+        { "lavender", THTMLCOL, COL_SM_LAVENDER },
+        { "lavenderblush", THTMLCOL, COL_SM_LAVENDERBLUSH },
+        { "lawngreen", THTMLCOL, COL_SM_LAWNGREEN },
+        { "lemonchiffon", THTMLCOL, COL_SM_LEMONCHIFFON },
+        { "lightblue", THTMLCOL, COL_SM_LIGHTBLUE },
+        { "lightcoral", THTMLCOL, COL_SM_LIGHTCORAL },
+        { "lightcyan", THTMLCOL, COL_SM_LIGHTCYAN },
+        { "lightgoldenrodyellow", THTMLCOL, COL_SM_LIGHTGOLDENRODYELLOW },
+        { "lightgray", THTMLCOL, COL_SM_LIGHTGRAY },
+        { "lightgreen", THTMLCOL, COL_SM_LIGHTGREEN },
+        { "lightgrey", THTMLCOL, COL_SM_LIGHTGREY },
+        { "lightpink", THTMLCOL, COL_SM_LIGHTPINK },
+        { "lightsalmon", THTMLCOL, COL_SM_LIGHTSALMON },
+        { "lightseagreen", THTMLCOL, COL_SM_LIGHTSEAGREEN },
+        { "lightskyblue", THTMLCOL, COL_SM_LIGHTSKYBLUE },
+        { "lightslategray", THTMLCOL, COL_SM_LIGHTSLATEGRAY },
+        { "lightslategrey", THTMLCOL, COL_SM_LIGHTSLATEGREY },
+        { "lightsteelblue", THTMLCOL, COL_SM_LIGHTSTEELBLUE },
+        { "lightyellow", THTMLCOL, COL_SM_LIGHTYELLOW },
+        { "lime", TMATHMLCOL, COL_SM_LIME },
+        { "limegreen", THTMLCOL, COL_SM_LIMEGREEN },
+        { "linen", THTMLCOL, COL_SM_LINEN },
+        { "magenta", TMATHMLCOL, COL_SM_MAGENTA },
+        { "maroon", TMATHMLCOL, COL_SM_MAROON },
+        { "mediumaquamarine", THTMLCOL, COL_SM_MEDIUMAQUAMARINE },
+        { "mediumblue", THTMLCOL, COL_SM_MEDIUMBLUE },
+        { "mediumorchid", THTMLCOL, COL_SM_MEDIUMORCHID },
+        { "mediumpurple", THTMLCOL, COL_SM_MEDIUMPURPLE },
+        { "mediumseagreen", THTMLCOL, COL_SM_MEDIUMSEAGREEN },
+        { "mediumslateblue", THTMLCOL, COL_SM_MEDIUMSLATEBLUE },
+        { "mediumspringgreen", THTMLCOL, COL_SM_MEDIUMSPRINGGREEN },
+        { "mediumturquoise", THTMLCOL, COL_SM_MEDIUMTURQUOISE },
+        { "mediumvioletred", THTMLCOL, COL_SM_MEDIUMVIOLETRED },
+        { "midnightblue", THTMLCOL, COL_SM_MIDNIGHTBLUE },
+        { "mintcream", THTMLCOL, COL_SM_MINTCREAM },
+        { "mistyrose", THTMLCOL, COL_SM_MISTYROSE },
+        { "moccasin", THTMLCOL, COL_SM_MOCCASIN },
+        { "navajowhite", THTMLCOL, COL_SM_NAVAJOWHITE },
+        { "navy", TMATHMLCOL, COL_SM_NAVY },
+        { "oldlace", THTMLCOL, COL_SM_OLDLACE },
+        { "olive", TMATHMLCOL, COL_SM_OLIVE },
+        { "olivedrab", THTMLCOL, COL_SM_OLIVEDRAB },
+        { "orange", THTMLCOL, COL_SM_ORANGE },
+        { "orangered", THTMLCOL, COL_SM_ORANGERED },
+        { "orchid", THTMLCOL, COL_SM_ORCHID },
+        { "palegoldenrod", THTMLCOL, COL_SM_PALEGOLDENROD },
+        { "palegreen", THTMLCOL, COL_SM_PALEGREEN },
+        { "paleturquoise", THTMLCOL, COL_SM_PALETURQUOISE },
+        { "palevioletred", THTMLCOL, COL_SM_PALEVIOLETRED },
+        { "papayawhip", THTMLCOL, COL_SM_PAPAYAWHIP },
+        { "peachpuff", THTMLCOL, COL_SM_PEACHPUFF },
+        { "peru", THTMLCOL, COL_SM_PERU },
+        { "pink", THTMLCOL, COL_SM_PINK },
+        { "plum", THTMLCOL, COL_SM_PLUM },
+        { "powderblue", THTMLCOL, COL_SM_POWDERBLUE },
+        { "purple", TMATHMLCOL, COL_SM_PURPLE },
+        { "rebeccapurple", THTMLCOL, COL_SM_REBECCAPURPLE },
+        { "red", TMATHMLCOL, COL_SM_RED },
+        { "rosybrown", THTMLCOL, COL_SM_ROSYBROWN },
+        { "royalblue", THTMLCOL, COL_SM_ROYALBLUE },
+        { "saddlebrown", THTMLCOL, COL_SM_SADDLEBROWN },
+        { "salmon", THTMLCOL, COL_SM_SALMON },
+        { "sandybrown", THTMLCOL, COL_SM_SANDYBROWN },
+        { "seagreen", THTMLCOL, COL_SM_SEAGREEN },
+        { "seashell", THTMLCOL, COL_SM_SEASHELL },
+        { "sienna", THTMLCOL, COL_SM_SIENNA },
+        { "silver", TMATHMLCOL, COL_SM_SILVER },
+        { "skyblue", THTMLCOL, COL_SM_SKYBLUE },
+        { "slateblue", THTMLCOL, COL_SM_SLATEBLUE },
+        { "slategray", THTMLCOL, COL_SM_SLATEGRAY },
+        { "slategrey", THTMLCOL, COL_SM_SLATEGREY },
+        { "snow", THTMLCOL, COL_SM_SNOW },
+        { "springgreen", THTMLCOL, COL_SM_SPRINGGREEN },
+        { "steelblue", THTMLCOL, COL_SM_STEELBLUE },
+        { "tan", THTMLCOL, COL_SM_TAN },
+        { "teal", TMATHMLCOL, COL_SM_TEAL },
+        { "thistle", THTMLCOL, COL_SM_THISTLE },
+        { "tomato", THTMLCOL, COL_SM_TOMATO },
+        { "turquoise", THTMLCOL, COL_SM_TURQUOISE },
+        { "violet", THTMLCOL, COL_SM_VIOLET },
+        { "wheat", THTMLCOL, COL_SM_WHEAT },
+        { "white", TMATHMLCOL, COL_SM_WHITE },
+        { "whitesmoke", THTMLCOL, COL_SM_WHITESMOKE },
+        { "yellow", TMATHMLCOL, COL_SM_YELLOW },
+        { "yellowgreen", THTMLCOL, COL_SM_YELLOWGREEN } };
+
+const SmColorTokenTableEntry starmathdatabase::aColorTokenTableDVIPS[]
+    = { { "apricot", TDVIPSNAMESCOL, COL_SM_DIV_APRICOT },
+        { "aquamarine", TDVIPSNAMESCOL, COL_SM_DIV_AQUAMARINE },
+        { "bittersweet", TDVIPSNAMESCOL, COL_SM_DIV_BITTERSWEET },
+        { "black", TDVIPSNAMESCOL, COL_SM_BLACK },
+        { "blue", TDVIPSNAMESCOL, COL_SM_BLACK } };
+
+const SmColorTokenTableEntry starmathdatabase::aColorTokenTableMATHML[] = {
+    // clang-format off
+        { "aqua", TMATHMLCOL, COL_SM_AQUA },
+        { "black", TMATHMLCOL, COL_SM_BLACK },
+        { "blue", TMATHMLCOL, COL_SM_BLUE },
+        { "fuchsia", TMATHMLCOL, COL_SM_FUCHSIA },
+        { "gray", TMATHMLCOL, COL_SM_GRAY },
+        { "green", TMATHMLCOL, COL_SM_GREEN },
+        { "lime", TMATHMLCOL, COL_SM_LIME },
+        { "maroon", TMATHMLCOL, COL_SM_MAROON },
+        { "navy", TMATHMLCOL, COL_SM_NAVY },
+        { "olive", TMATHMLCOL, COL_SM_OLIVE },
+        { "purple", TMATHMLCOL, COL_SM_PURPLE },
+        { "red", TMATHMLCOL, COL_SM_RED },
+        { "silver", TMATHMLCOL, COL_SM_SILVER },
+        { "teal", TMATHMLCOL, COL_SM_TEAL },
+        { "white", TMATHMLCOL, COL_SM_WHITE },
+        { "yellow", TMATHMLCOL, COL_SM_YELLOW }
+    // clang-format on
+};
+
+const SmColorTokenTableEntry starmathdatabase::aColorTokenTableERROR[]
+    = { { "", TERROR, COL_SM_BLACK } };
+
+SmColorTokenTableEntry starmathdatabase::Identify_Color_Parser(sal_uInt32 cColor)
+{
+    for (auto i = std::begin(aColorTokenTableParse); i < std::end(aColorTokenTableParse); ++i)
+        if (i->equals(cColor))
+            return i;
+    for (auto i = std::begin(aColorTokenTableDVIPS); i < std::end(aColorTokenTableDVIPS); ++i)
+        if (i->equals(cColor))
+            return i;
+    if ((cColor & 0x00FFFFFF) == cColor)
+        return SmColorTokenTableEntry("", TRGB, cColor);
+    else
+        return SmColorTokenTableEntry("", TRGBA, cColor);
+}
+
+SmColorTokenTableEntry starmathdatabase::Identify_Color_MATHML(sal_uInt32 cColor)
+{
+    for (auto i = std::begin(aColorTokenTableMATHML); i < std::end(aColorTokenTableMATHML); ++i)
+        if (i->equals(cColor))
+            return i;
+    if ((cColor & 0x00FFFFFF) == cColor)
+        return SmColorTokenTableEntry("", TRGB, cColor);
+    else
+        return SmColorTokenTableEntry("", TRGBA, cColor);
+}
+
+SmColorTokenTableEntry starmathdatabase::Identify_Color_DVIPSNAMES(sal_uInt32 cColor)
+{
+    for (auto i = std::begin(aColorTokenTableDVIPS); i < std::end(aColorTokenTableDVIPS); ++i)
+        if (i->equals(cColor))
+            return i;
+    if ((cColor & 0x00FFFFFF) == cColor)
+        return SmColorTokenTableEntry("", TRGB, cColor);
+    else
+        return SmColorTokenTableEntry("", TRGBA, cColor);
+}
+
+const SmColorTokenTableEntry*
+starmathdatabase::Identify_ColorName_Parser(std::u16string_view colorname)
+{
+    if (colorname.empty())
+        return &aColorTokenTableERROR[0];
+    for (auto i = std::begin(aColorTokenTableParse); i < std::end(aColorTokenTableParse); ++i)
+    {
+        sal_Int32 matches = o3tl::compareToIgnoreAsciiCase(colorname, i->aIdent);
+        if (matches == 0)
+            return i;
+        if (matches < 0)
+            break;
+    }
+    return &aColorTokenTableERROR[0];
+}
+SmColorTokenTableEntry starmathdatabase::Identify_ColorName_HTML(std::u16string_view colorname)
+{
+    if (colorname.empty())
+        return SmColorTokenTableEntry("", TERROR, COL_SM_BLACK);
+    if (colorname[0] == '#')
+    {
+        Color col = Color::STRtoRGB(colorname);
+        return SmColorTokenTableEntry("", TRGB, col);
+    }
+    for (auto i = std::begin(aColorTokenTableHTML); i < std::end(aColorTokenTableHTML); ++i)
+    {
+        sal_Int32 matches = o3tl::compareToIgnoreAsciiCase(colorname, i->aIdent);
+        if (matches == 0)
+            return i;
+        if (matches < 0)
+            break;
+    }
+    return SmColorTokenTableEntry("", TERROR, COL_SM_BLACK);
+}
+const SmColorTokenTableEntry*
+starmathdatabase::Identify_ColorName_DVIPSNAMES(std::u16string_view colorname)
+{
+    if (colorname.empty())
+        return &aColorTokenTableERROR[0];
+    for (auto i = std::begin(aColorTokenTableDVIPS); i < std::end(aColorTokenTableDVIPS); ++i)
+    {
+        sal_Int32 matches = o3tl::compareToIgnoreAsciiCase(colorname, i->aIdent);
+        if (matches == 0)
+            return i;
+        if (matches < 0)
+            break;
+    }
+    return &aColorTokenTableERROR[0];
+}
diff --git a/starmath/source/mathml/xparsmlbase.cxx b/starmath/source/mathml/xparsmlbase.cxx
new file mode 100644
index 0000000000..ccfcf0049e
--- /dev/null
+++ b/starmath/source/mathml/xparsmlbase.cxx
@@ -0,0 +1,2166 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+#include <xparsmlbase.hxx>
+
+static ::css::beans::Pair<::rtl::OUString, ::rtl::OUString>
+    icustomMathmlHtmlEntitiesData[starmathdatabase::STARMATH_MATHMLHTML_ENTITY_NUMBER] = {
+        // clang-format off
+        { u"AElig"_ustr, u"\u00C6"_ustr },
+        { u"AMP"_ustr, u"\u0026"_ustr },
+        { u"Aacute"_ustr, u"\u00C1"_ustr },
+        { u"Abreve"_ustr, u"\u0102"_ustr },
+        { u"Acirc"_ustr, u"\u00C2"_ustr },
+        { u"Acy"_ustr, u"\u0410"_ustr },
+        { u"Afr"_ustr, u"\U0001D504"_ustr },
+        { u"Agrave"_ustr, u"\u00C0"_ustr },
+        { u"Alpha"_ustr, u"\u0391"_ustr },
+        { u"Amacr"_ustr, u"\u0100"_ustr },
+        { u"And"_ustr, u"\u2A53"_ustr },
+        { u"Aogon"_ustr, u"\u0104"_ustr },
+        { u"Aopf"_ustr, u"\U0001D538"_ustr },
+        { u"ApplyFunction"_ustr, u"\u2061"_ustr },
+        { u"Aring"_ustr, u"\u00C5"_ustr },
+        { u"Ascr"_ustr, u"\U0001D49C"_ustr },
+        { u"Assign"_ustr, u"\u2254"_ustr },
+        { u"Atilde"_ustr, u"\u00C3"_ustr },
+        { u"Auml"_ustr, u"\u00C4"_ustr },
+        { u"Backslash"_ustr, u"\u2216"_ustr },
+        { u"Barv"_ustr, u"\u2AE7"_ustr },
+        { u"Barwed"_ustr, u"\u2306"_ustr },
+        { u"Bcy"_ustr, u"\u0411"_ustr },
+        { u"Because"_ustr, u"\u2235"_ustr },
+        { u"Bernoullis"_ustr, u"\u212C"_ustr },
+        { u"Beta"_ustr, u"\u0392"_ustr },
+        { u"Bfr"_ustr, u"\U0001D505"_ustr },
+        { u"Bopf"_ustr, u"\U0001D539"_ustr },
+        { u"Breve"_ustr, u"\u02D8"_ustr },
+        { u"Bscr"_ustr, u"\u212C"_ustr },
+        { u"Bumpeq"_ustr, u"\u224E"_ustr },
+        { u"CHcy"_ustr, u"\u0427"_ustr },
+        { u"COPY"_ustr, u"\u00A9"_ustr },
+        { u"Cacute"_ustr, u"\u0106"_ustr },
+        { u"Cap"_ustr, u"\u22D2"_ustr },
+        { u"CapitalDifferentialD"_ustr, u"\u2145"_ustr },
+        { u"Cayleys"_ustr, u"\u212D"_ustr },
+        { u"Ccaron"_ustr, u"\u010C"_ustr },
+        { u"Ccedil"_ustr, u"\u00C7"_ustr },
+        { u"Ccirc"_ustr, u"\u0108"_ustr },
+        { u"Cconint"_ustr, u"\u2230"_ustr },
+        { u"Cdot"_ustr, u"\u010A"_ustr },
+        { u"Cedilla"_ustr, u"\u00B8"_ustr },
+        { u"CenterDot"_ustr, u"\u00B7"_ustr },
+        { u"Cfr"_ustr, u"\u212D"_ustr },
+        { u"Chi"_ustr, u"\u03A7"_ustr },
+        { u"CircleDot"_ustr, u"\u2299"_ustr },
+        { u"CircleMinus"_ustr, u"\u2296"_ustr },
+        { u"CirclePlus"_ustr, u"\u2295"_ustr },
+        { u"CircleTimes"_ustr, u"\u2297"_ustr },
+        { u"ClockwiseContourIntegral"_ustr, u"\u2232"_ustr },
+        { u"CloseCurlyDoubleQuote"_ustr, u"\u201D"_ustr },
+        { u"CloseCurlyQuote"_ustr, u"\u2019"_ustr },
+        { u"Colon"_ustr, u"\u2237"_ustr },
+        { u"Colone"_ustr, u"\u2A74"_ustr },
+        { u"Congruent"_ustr, u"\u2261"_ustr },
+        { u"Conint"_ustr, u"\u222F"_ustr },
+        { u"ContourIntegral"_ustr, u"\u222E"_ustr },
+        { u"Copf"_ustr, u"\u2102"_ustr },
+        { u"Coproduct"_ustr, u"\u2210"_ustr },
+        { u"CounterClockwiseContourIntegral"_ustr, u"\u2233"_ustr },
+        { u"Cross"_ustr, u"\u2A2F"_ustr },
+        { u"Cscr"_ustr, u"\U0001D49E"_ustr },
+        { u"Cup"_ustr, u"\u22D3"_ustr },
+        { u"CupCap"_ustr, u"\u224D"_ustr },
+        { u"DD"_ustr, u"\u2145"_ustr },
+        { u"DDotrahd"_ustr, u"\u2911"_ustr },
+        { u"DJcy"_ustr, u"\u0402"_ustr },
+        { u"DScy"_ustr, u"\u0405"_ustr },
+        { u"DZcy"_ustr, u"\u040F"_ustr },
+        { u"Dagger"_ustr, u"\u2021"_ustr },
+        { u"Darr"_ustr, u"\u21A1"_ustr },
+        { u"Dashv"_ustr, u"\u2AE4"_ustr },
+        { u"Dcaron"_ustr, u"\u010E"_ustr },
+        { u"Dcy"_ustr, u"\u0414"_ustr },
+        { u"Del"_ustr, u"\u2207"_ustr },
+        { u"Delta"_ustr, u"\u0394"_ustr },
+        { u"Dfr"_ustr, u"\U0001D507"_ustr },
+        { u"DiacriticalAcute"_ustr, u"\u00B4"_ustr },
+        { u"DiacriticalDot"_ustr, u"\u02D9"_ustr },
+        { u"DiacriticalDoubleAcute"_ustr, u"\u02DD"_ustr },
+        { u"DiacriticalGrave"_ustr, u"\u0060"_ustr },
+        { u"DiacriticalTilde"_ustr, u"\u02DC"_ustr },
+        { u"Diamond"_ustr, u"\u22C4"_ustr },
+        { u"DifferentialD"_ustr, u"\u2146"_ustr },
+        { u"Dopf"_ustr, u"\U0001D53B"_ustr },
+        { u"Dot"_ustr, u"\u00A8"_ustr },
+        { u"DotDot"_ustr, u"\u20DC"_ustr },
+        { u"DotEqual"_ustr, u"\u2250"_ustr },
+        { u"DoubleContourIntegral"_ustr, u"\u222F"_ustr },
+        { u"DoubleDot"_ustr, u"\u00A8"_ustr },
+        { u"DoubleDownArrow"_ustr, u"\u21D3"_ustr },
+        { u"DoubleLeftArrow"_ustr, u"\u21D0"_ustr },
+        { u"DoubleLeftRightArrow"_ustr, u"\u21D4"_ustr },
+        { u"DoubleLeftTee"_ustr, u"\u2AE4"_ustr },
+        { u"DoubleLongLeftArrow"_ustr, u"\u27F8"_ustr },
+        { u"DoubleLongLeftRightArrow"_ustr, u"\u27FA"_ustr },
+        { u"DoubleLongRightArrow"_ustr, u"\u27F9"_ustr },
+        { u"DoubleRightArrow"_ustr, u"\u21D2"_ustr },
+        { u"DoubleRightTee"_ustr, u"\u22A8"_ustr },
+        { u"DoubleUpArrow"_ustr, u"\u21D1"_ustr },
+        { u"DoubleUpDownArrow"_ustr, u"\u21D5"_ustr },
+        { u"DoubleVerticalBar"_ustr, u"\u2225"_ustr },
+        { u"DownArrow"_ustr, u"\u2193"_ustr },
+        { u"DownArrowBar"_ustr, u"\u2913"_ustr },
+        { u"DownArrowUpArrow"_ustr, u"\u21F5"_ustr },
+        { u"DownBreve"_ustr, u"\u0311"_ustr },
+        { u"DownLeftRightVector"_ustr, u"\u2950"_ustr },
+        { u"DownLeftTeeVector"_ustr, u"\u295E"_ustr },
+        { u"DownLeftVector"_ustr, u"\u21BD"_ustr },
+        { u"DownLeftVectorBar"_ustr, u"\u2956"_ustr },
+        { u"DownRightTeeVector"_ustr, u"\u295F"_ustr },
+        { u"DownRightVector"_ustr, u"\u21C1"_ustr },
+        { u"DownRightVectorBar"_ustr, u"\u2957"_ustr },
+        { u"DownTee"_ustr, u"\u22A4"_ustr },
+        { u"DownTeeArrow"_ustr, u"\u21A7"_ustr },
+        { u"Downarrow"_ustr, u"\u21D3"_ustr },
+        { u"Dscr"_ustr, u"\U0001D49F"_ustr },
+        { u"Dstrok"_ustr, u"\u0110"_ustr },
+        { u"ENG"_ustr, u"\u014A"_ustr },
+        { u"ETH"_ustr, u"\u00D0"_ustr },
+        { u"Eacute"_ustr, u"\u00C9"_ustr },
+        { u"Ecaron"_ustr, u"\u011A"_ustr },
+        { u"Ecirc"_ustr, u"\u00CA"_ustr },
+        { u"Ecy"_ustr, u"\u042D"_ustr },
+        { u"Edot"_ustr, u"\u0116"_ustr },
+        { u"Efr"_ustr, u"\U0001D508"_ustr },
+        { u"Egrave"_ustr, u"\u00C8"_ustr },
+        { u"Element"_ustr, u"\u2208"_ustr },
+        { u"Emacr"_ustr, u"\u0112"_ustr },
+        { u"EmptySmallSquare"_ustr, u"\u25FB"_ustr },
+        { u"EmptyVerySmallSquare"_ustr, u"\u25AB"_ustr },
+        { u"Eogon"_ustr, u"\u0118"_ustr },
+        { u"Eopf"_ustr, u"\U0001D53C"_ustr },
+        { u"Epsilon"_ustr, u"\u0395"_ustr },
+        { u"Equal"_ustr, u"\u2A75"_ustr },
+        { u"EqualTilde"_ustr, u"\u2242"_ustr },
+        { u"Equilibrium"_ustr, u"\u21CC"_ustr },
+        { u"Escr"_ustr, u"\u2130"_ustr },
+        { u"Esim"_ustr, u"\u2A73"_ustr },
+        { u"Eta"_ustr, u"\u0397"_ustr },
+        { u"Euml"_ustr, u"\u00CB"_ustr },
+        { u"Exists"_ustr, u"\u2203"_ustr },
+        { u"ExponentialE"_ustr, u"\u2147"_ustr },
+        { u"Fcy"_ustr, u"\u0424"_ustr },
+        { u"Ffr"_ustr, u"\U0001D509"_ustr },
+        { u"FilledSmallSquare"_ustr, u"\u25FC"_ustr },
+        { u"FilledVerySmallSquare"_ustr, u"\u25AA"_ustr },
+        { u"Fopf"_ustr, u"\U0001D53D"_ustr },
+        { u"ForAll"_ustr, u"\u2200"_ustr },
+        { u"Fouriertrf"_ustr, u"\u2131"_ustr },
+        { u"Fscr"_ustr, u"\u2131"_ustr },
+        { u"GJcy"_ustr, u"\u0403"_ustr },
+        { u"GT"_ustr, u"\u003E"_ustr },
+        { u"Gamma"_ustr, u"\u0393"_ustr },
+        { u"Gammad"_ustr, u"\u03DC"_ustr },
+        { u"Gbreve"_ustr, u"\u011E"_ustr },
+        { u"Gcedil"_ustr, u"\u0122"_ustr },
+        { u"Gcirc"_ustr, u"\u011C"_ustr },
+        { u"Gcy"_ustr, u"\u0413"_ustr },
+        { u"Gdot"_ustr, u"\u0120"_ustr },
+        { u"Gfr"_ustr, u"\U0001D50A"_ustr },
+        { u"Gg"_ustr, u"\u22D9"_ustr },
+        { u"Gopf"_ustr, u"\U0001D53E"_ustr },
+        { u"GreaterEqual"_ustr, u"\u2265"_ustr },
+        { u"GreaterEqualLess"_ustr, u"\u22DB"_ustr },
+        { u"GreaterFullEqual"_ustr, u"\u2267"_ustr },
+        { u"GreaterGreater"_ustr, u"\u2AA2"_ustr },
+        { u"GreaterLess"_ustr, u"\u2277"_ustr },
+        { u"GreaterSlantEqual"_ustr, u"\u2A7E"_ustr },
+        { u"GreaterTilde"_ustr, u"\u2273"_ustr },
+        { u"Gscr"_ustr, u"\U0001D4A2"_ustr },
+        { u"Gt"_ustr, u"\u226B"_ustr },
+        { u"HARDcy"_ustr, u"\u042A"_ustr },
+        { u"Hacek"_ustr, u"\u02C7"_ustr },
+        { u"Hat"_ustr, u"\u005E"_ustr },
+        { u"Hcirc"_ustr, u"\u0124"_ustr },
+        { u"Hfr"_ustr, u"\u210C"_ustr },
+        { u"HilbertSpace"_ustr, u"\u210B"_ustr },
+        { u"Hopf"_ustr, u"\u210D"_ustr },
+        { u"HorizontalLine"_ustr, u"\u2500"_ustr },
+        { u"Hscr"_ustr, u"\u210B"_ustr },
+        { u"Hstrok"_ustr, u"\u0126"_ustr },
+        { u"HumpDownHump"_ustr, u"\u224E"_ustr },
+        { u"HumpEqual"_ustr, u"\u224F"_ustr },
+        { u"IEcy"_ustr, u"\u0415"_ustr },
+        { u"IJlig"_ustr, u"\u0132"_ustr },
+        { u"IOcy"_ustr, u"\u0401"_ustr },
+        { u"Iacute"_ustr, u"\u00CD"_ustr },
+        { u"Icirc"_ustr, u"\u00CE"_ustr },
+        { u"Icy"_ustr, u"\u0418"_ustr },
+        { u"Idot"_ustr, u"\u0130"_ustr },
+        { u"Ifr"_ustr, u"\u2111"_ustr },
+        { u"Igrave"_ustr, u"\u00CC"_ustr },
+        { u"Im"_ustr, u"\u2111"_ustr },
+        { u"Imacr"_ustr, u"\u012A"_ustr },
+        { u"ImaginaryI"_ustr, u"\u2148"_ustr },
+        { u"Implies"_ustr, u"\u21D2"_ustr },
+        { u"Int"_ustr, u"\u222C"_ustr },
+        { u"Integral"_ustr, u"\u222B"_ustr },
+        { u"Intersection"_ustr, u"\u22C2"_ustr },
+        { u"InvisibleComma"_ustr, u"\u2063"_ustr },
+        { u"InvisibleTimes"_ustr, u"\u2062"_ustr },
+        { u"Iogon"_ustr, u"\u012E"_ustr },
+        { u"Iopf"_ustr, u"\U0001D540"_ustr },
+        { u"Iota"_ustr, u"\u0399"_ustr },
+        { u"Iscr"_ustr, u"\u2110"_ustr },
+        { u"Itilde"_ustr, u"\u0128"_ustr },
+        { u"Iukcy"_ustr, u"\u0406"_ustr },
+        { u"Iuml"_ustr, u"\u00CF"_ustr },
+        { u"Jcirc"_ustr, u"\u0134"_ustr },
+        { u"Jcy"_ustr, u"\u0419"_ustr },
+        { u"Jfr"_ustr, u"\U0001D50D"_ustr },
+        { u"Jopf"_ustr, u"\U0001D541"_ustr },
+        { u"Jscr"_ustr, u"\U0001D4A5"_ustr },
+        { u"Jsercy"_ustr, u"\u0408"_ustr },
+        { u"Jukcy"_ustr, u"\u0404"_ustr },
+        { u"KHcy"_ustr, u"\u0425"_ustr },
+        { u"KJcy"_ustr, u"\u040C"_ustr },
+        { u"Kappa"_ustr, u"\u039A"_ustr },
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+        { u"rtriltri"_ustr, u"\u29CE"_ustr },
+        { u"ruluhar"_ustr, u"\u2968"_ustr },
+        { u"rx"_ustr, u"\u211E"_ustr },
+        { u"sacute"_ustr, u"\u015B"_ustr },
+        { u"sbquo"_ustr, u"\u201A"_ustr },
+        { u"sc"_ustr, u"\u227B"_ustr },
+        { u"scE"_ustr, u"\u2AB4"_ustr },
+        { u"scap"_ustr, u"\u2AB8"_ustr },
+        { u"scaron"_ustr, u"\u0161"_ustr },
+        { u"sccue"_ustr, u"\u227D"_ustr },
+        { u"sce"_ustr, u"\u2AB0"_ustr },
+        { u"scedil"_ustr, u"\u015F"_ustr },
+        { u"scirc"_ustr, u"\u015D"_ustr },
+        { u"scnE"_ustr, u"\u2AB6"_ustr },
+        { u"scnap"_ustr, u"\u2ABA"_ustr },
+        { u"scnsim"_ustr, u"\u22E9"_ustr },
+        { u"scpolint"_ustr, u"\u2A13"_ustr },
+        { u"scsim"_ustr, u"\u227F"_ustr },
+        { u"scy"_ustr, u"\u0441"_ustr },
+        { u"sdot"_ustr, u"\u22C5"_ustr },
+        { u"sdotb"_ustr, u"\u22A1"_ustr },
+        { u"sdote"_ustr, u"\u2A66"_ustr },
+        { u"seArr"_ustr, u"\u21D8"_ustr },
+        { u"searhk"_ustr, u"\u2925"_ustr },
+        { u"searr"_ustr, u"\u2198"_ustr },
+        { u"searrow"_ustr, u"\u2198"_ustr },
+        { u"sect"_ustr, u"\u00A7"_ustr },
+        { u"semi"_ustr, u"\u003B"_ustr },
+        { u"seswar"_ustr, u"\u2929"_ustr },
+        { u"setminus"_ustr, u"\u2216"_ustr },
+        { u"setmn"_ustr, u"\u2216"_ustr },
+        { u"sext"_ustr, u"\u2736"_ustr },
+        { u"sfr"_ustr, u"\U0001D530"_ustr },
+        { u"sfrown"_ustr, u"\u2322"_ustr },
+        { u"sharp"_ustr, u"\u266F"_ustr },
+        { u"shchcy"_ustr, u"\u0449"_ustr },
+        { u"shcy"_ustr, u"\u0448"_ustr },
+        { u"shortmid"_ustr, u"\u2223"_ustr },
+        { u"shortparallel"_ustr, u"\u2225"_ustr },
+        { u"shy"_ustr, u"\u00AD"_ustr },
+        { u"sigma"_ustr, u"\u03C3"_ustr },
+        { u"sigmaf"_ustr, u"\u03C2"_ustr },
+        { u"sigmav"_ustr, u"\u03C2"_ustr },
+        { u"sim"_ustr, u"\u223C"_ustr },
+        { u"simdot"_ustr, u"\u2A6A"_ustr },
+        { u"sime"_ustr, u"\u2243"_ustr },
+        { u"simeq"_ustr, u"\u2243"_ustr },
+        { u"simg"_ustr, u"\u2A9E"_ustr },
+        { u"simgE"_ustr, u"\u2AA0"_ustr },
+        { u"siml"_ustr, u"\u2A9D"_ustr },
+        { u"simlE"_ustr, u"\u2A9F"_ustr },
+        { u"simne"_ustr, u"\u2246"_ustr },
+        { u"simplus"_ustr, u"\u2A24"_ustr },
+        { u"simrarr"_ustr, u"\u2972"_ustr },
+        { u"slarr"_ustr, u"\u2190"_ustr },
+        { u"smallsetminus"_ustr, u"\u2216"_ustr },
+        { u"smashp"_ustr, u"\u2A33"_ustr },
+        { u"smeparsl"_ustr, u"\u29E4"_ustr },
+        { u"smid"_ustr, u"\u2223"_ustr },
+        { u"smile"_ustr, u"\u2323"_ustr },
+        { u"smt"_ustr, u"\u2AAA"_ustr },
+        { u"smte"_ustr, u"\u2AAC"_ustr },
+        { u"smtes"_ustr, u"\u2AAC\uFE00"_ustr },
+        { u"softcy"_ustr, u"\u044C"_ustr },
+        { u"sol"_ustr, u"\u002F"_ustr },
+        { u"solb"_ustr, u"\u29C4"_ustr },
+        { u"solbar"_ustr, u"\u233F"_ustr },
+        { u"sopf"_ustr, u"\U0001D564"_ustr },
+        { u"spades"_ustr, u"\u2660"_ustr },
+        { u"spadesuit"_ustr, u"\u2660"_ustr },
+        { u"spar"_ustr, u"\u2225"_ustr },
+        { u"sqcap"_ustr, u"\u2293"_ustr },
+        { u"sqcaps"_ustr, u"\u2293\uFE00"_ustr },
+        { u"sqcup"_ustr, u"\u2294"_ustr },
+        { u"sqcups"_ustr, u"\u2294\uFE00"_ustr },
+        { u"sqsub"_ustr, u"\u228F"_ustr },
+        { u"sqsube"_ustr, u"\u2291"_ustr },
+        { u"sqsubset"_ustr, u"\u228F"_ustr },
+        { u"sqsubseteq"_ustr, u"\u2291"_ustr },
+        { u"sqsup"_ustr, u"\u2290"_ustr },
+        { u"sqsupe"_ustr, u"\u2292"_ustr },
+        { u"sqsupset"_ustr, u"\u2290"_ustr },
+        { u"sqsupseteq"_ustr, u"\u2292"_ustr },
+        { u"squ"_ustr, u"\u25A1"_ustr },
+        { u"square"_ustr, u"\u25A1"_ustr },
+        { u"squarf"_ustr, u"\u25AA"_ustr },
+        { u"squf"_ustr, u"\u25AA"_ustr },
+        { u"srarr"_ustr, u"\u2192"_ustr },
+        { u"sscr"_ustr, u"\U0001D4C8"_ustr },
+        { u"ssetmn"_ustr, u"\u2216"_ustr },
+        { u"ssmile"_ustr, u"\u2323"_ustr },
+        { u"sstarf"_ustr, u"\u22C6"_ustr },
+        { u"star"_ustr, u"\u2606"_ustr },
+        { u"starf"_ustr, u"\u2605"_ustr },
+        { u"straightepsilon"_ustr, u"\u03F5"_ustr },
+        { u"straightphi"_ustr, u"\u03D5"_ustr },
+        { u"strns"_ustr, u"\u00AF"_ustr },
+        { u"sub"_ustr, u"\u2282"_ustr },
+        { u"subE"_ustr, u"\u2AC5"_ustr },
+        { u"subdot"_ustr, u"\u2ABD"_ustr },
+        { u"sube"_ustr, u"\u2286"_ustr },
+        { u"subedot"_ustr, u"\u2AC3"_ustr },
+        { u"submult"_ustr, u"\u2AC1"_ustr },
+        { u"subnE"_ustr, u"\u2ACB"_ustr },
+        { u"subne"_ustr, u"\u228A"_ustr },
+        { u"subplus"_ustr, u"\u2ABF"_ustr },
+        { u"subrarr"_ustr, u"\u2979"_ustr },
+        { u"subset"_ustr, u"\u2282"_ustr },
+        { u"subseteq"_ustr, u"\u2286"_ustr },
+        { u"subseteqq"_ustr, u"\u2AC5"_ustr },
+        { u"subsetneq"_ustr, u"\u228A"_ustr },
+        { u"subsetneqq"_ustr, u"\u2ACB"_ustr },
+        { u"subsim"_ustr, u"\u2AC7"_ustr },
+        { u"subsub"_ustr, u"\u2AD5"_ustr },
+        { u"subsup"_ustr, u"\u2AD3"_ustr },
+        { u"succ"_ustr, u"\u227B"_ustr },
+        { u"succapprox"_ustr, u"\u2AB8"_ustr },
+        { u"succcurlyeq"_ustr, u"\u227D"_ustr },
+        { u"succeq"_ustr, u"\u2AB0"_ustr },
+        { u"succnapprox"_ustr, u"\u2ABA"_ustr },
+        { u"succneqq"_ustr, u"\u2AB6"_ustr },
+        { u"succnsim"_ustr, u"\u22E9"_ustr },
+        { u"succsim"_ustr, u"\u227F"_ustr },
+        { u"sum"_ustr, u"\u2211"_ustr },
+        { u"sung"_ustr, u"\u266A"_ustr },
+        { u"sup"_ustr, u"\u2283"_ustr },
+        { u"sup1"_ustr, u"\u00B9"_ustr },
+        { u"sup2"_ustr, u"\u00B2"_ustr },
+        { u"sup3"_ustr, u"\u00B3"_ustr },
+        { u"supE"_ustr, u"\u2AC6"_ustr },
+        { u"supdot"_ustr, u"\u2ABE"_ustr },
+        { u"supdsub"_ustr, u"\u2AD8"_ustr },
+        { u"supe"_ustr, u"\u2287"_ustr },
+        { u"supedot"_ustr, u"\u2AC4"_ustr },
+        { u"suphsol"_ustr, u"\u27C9"_ustr },
+        { u"suphsub"_ustr, u"\u2AD7"_ustr },
+        { u"suplarr"_ustr, u"\u297B"_ustr },
+        { u"supmult"_ustr, u"\u2AC2"_ustr },
+        { u"supnE"_ustr, u"\u2ACC"_ustr },
+        { u"supne"_ustr, u"\u228B"_ustr },
+        { u"supplus"_ustr, u"\u2AC0"_ustr },
+        { u"supset"_ustr, u"\u2283"_ustr },
+        { u"supseteq"_ustr, u"\u2287"_ustr },
+        { u"supseteqq"_ustr, u"\u2AC6"_ustr },
+        { u"supsetneq"_ustr, u"\u228B"_ustr },
+        { u"supsetneqq"_ustr, u"\u2ACC"_ustr },
+        { u"supsim"_ustr, u"\u2AC8"_ustr },
+        { u"supsub"_ustr, u"\u2AD4"_ustr },
+        { u"supsup"_ustr, u"\u2AD6"_ustr },
+        { u"swArr"_ustr, u"\u21D9"_ustr },
+        { u"swarhk"_ustr, u"\u2926"_ustr },
+        { u"swarr"_ustr, u"\u2199"_ustr },
+        { u"swarrow"_ustr, u"\u2199"_ustr },
+        { u"swnwar"_ustr, u"\u292A"_ustr },
+        { u"szlig"_ustr, u"\u00DF"_ustr },
+        { u"target"_ustr, u"\u2316"_ustr },
+        { u"tau"_ustr, u"\u03C4"_ustr },
+        { u"tbrk"_ustr, u"\u23B4"_ustr },
+        { u"tcaron"_ustr, u"\u0165"_ustr },
+        { u"tcedil"_ustr, u"\u0163"_ustr },
+        { u"tcy"_ustr, u"\u0442"_ustr },
+        { u"tdot"_ustr, u"\u20DB"_ustr },
+        { u"telrec"_ustr, u"\u2315"_ustr },
+        { u"tfr"_ustr, u"\U0001D531"_ustr },
+        { u"there4"_ustr, u"\u2234"_ustr },
+        { u"therefore"_ustr, u"\u2234"_ustr },
+        { u"theta"_ustr, u"\u03B8"_ustr },
+        { u"thetasym"_ustr, u"\u03D1"_ustr },
+        { u"thetav"_ustr, u"\u03D1"_ustr },
+        { u"thickapprox"_ustr, u"\u2248"_ustr },
+        { u"thicksim"_ustr, u"\u223C"_ustr },
+        { u"thinsp"_ustr, u"\u2009"_ustr },
+        { u"thkap"_ustr, u"\u2248"_ustr },
+        { u"thksim"_ustr, u"\u223C"_ustr },
+        { u"thorn"_ustr, u"\u00FE"_ustr },
+        { u"tilde"_ustr, u"\u02DC"_ustr },
+        { u"times"_ustr, u"\u00D7"_ustr },
+        { u"timesb"_ustr, u"\u22A0"_ustr },
+        { u"timesbar"_ustr, u"\u2A31"_ustr },
+        { u"timesd"_ustr, u"\u2A30"_ustr },
+        { u"tint"_ustr, u"\u222D"_ustr },
+        { u"toea"_ustr, u"\u2928"_ustr },
+        { u"top"_ustr, u"\u22A4"_ustr },
+        { u"topbot"_ustr, u"\u2336"_ustr },
+        { u"topcir"_ustr, u"\u2AF1"_ustr },
+        { u"topf"_ustr, u"\U0001D565"_ustr },
+        { u"topfork"_ustr, u"\u2ADA"_ustr },
+        { u"tosa"_ustr, u"\u2929"_ustr },
+        { u"tprime"_ustr, u"\u2034"_ustr },
+        { u"trade"_ustr, u"\u2122"_ustr },
+        { u"triangle"_ustr, u"\u25B5"_ustr },
+        { u"triangledown"_ustr, u"\u25BF"_ustr },
+        { u"triangleleft"_ustr, u"\u25C3"_ustr },
+        { u"trianglelefteq"_ustr, u"\u22B4"_ustr },
+        { u"triangleq"_ustr, u"\u225C"_ustr },
+        { u"triangleright"_ustr, u"\u25B9"_ustr },
+        { u"trianglerighteq"_ustr, u"\u22B5"_ustr },
+        { u"tridot"_ustr, u"\u25EC"_ustr },
+        { u"trie"_ustr, u"\u225C"_ustr },
+        { u"triminus"_ustr, u"\u2A3A"_ustr },
+        { u"triplus"_ustr, u"\u2A39"_ustr },
+        { u"trisb"_ustr, u"\u29CD"_ustr },
+        { u"tritime"_ustr, u"\u2A3B"_ustr },
+        { u"trpezium"_ustr, u"\u23E2"_ustr },
+        { u"tscr"_ustr, u"\U0001D4C9"_ustr },
+        { u"tscy"_ustr, u"\u0446"_ustr },
+        { u"tshcy"_ustr, u"\u045B"_ustr },
+        { u"tstrok"_ustr, u"\u0167"_ustr },
+        { u"twixt"_ustr, u"\u226C"_ustr },
+        { u"twoheadleftarrow"_ustr, u"\u219E"_ustr },
+        { u"twoheadrightarrow"_ustr, u"\u21A0"_ustr },
+        { u"uArr"_ustr, u"\u21D1"_ustr },
+        { u"uHar"_ustr, u"\u2963"_ustr },
+        { u"uacute"_ustr, u"\u00FA"_ustr },
+        { u"uarr"_ustr, u"\u2191"_ustr },
+        { u"ubrcy"_ustr, u"\u045E"_ustr },
+        { u"ubreve"_ustr, u"\u016D"_ustr },
+        { u"ucirc"_ustr, u"\u00FB"_ustr },
+        { u"ucy"_ustr, u"\u0443"_ustr },
+        { u"udarr"_ustr, u"\u21C5"_ustr },
+        { u"udblac"_ustr, u"\u0171"_ustr },
+        { u"udhar"_ustr, u"\u296E"_ustr },
+        { u"ufisht"_ustr, u"\u297E"_ustr },
+        { u"ufr"_ustr, u"\U0001D532"_ustr },
+        { u"ugrave"_ustr, u"\u00F9"_ustr },
+        { u"uharl"_ustr, u"\u21BF"_ustr },
+        { u"uharr"_ustr, u"\u21BE"_ustr },
+        { u"uhblk"_ustr, u"\u2580"_ustr },
+        { u"ulcorn"_ustr, u"\u231C"_ustr },
+        { u"ulcorner"_ustr, u"\u231C"_ustr },
+        { u"ulcrop"_ustr, u"\u230F"_ustr },
+        { u"ultri"_ustr, u"\u25F8"_ustr },
+        { u"umacr"_ustr, u"\u016B"_ustr },
+        { u"uml"_ustr, u"\u00A8"_ustr },
+        { u"uogon"_ustr, u"\u0173"_ustr },
+        { u"uopf"_ustr, u"\U0001D566"_ustr },
+        { u"uparrow"_ustr, u"\u2191"_ustr },
+        { u"updownarrow"_ustr, u"\u2195"_ustr },
+        { u"upharpoonleft"_ustr, u"\u21BF"_ustr },
+        { u"upharpoonright"_ustr, u"\u21BE"_ustr },
+        { u"uplus"_ustr, u"\u228E"_ustr },
+        { u"upsi"_ustr, u"\u03C5"_ustr },
+        { u"upsih"_ustr, u"\u03D2"_ustr },
+        { u"upsilon"_ustr, u"\u03C5"_ustr },
+        { u"upuparrows"_ustr, u"\u21C8"_ustr },
+        { u"urcorn"_ustr, u"\u231D"_ustr },
+        { u"urcorner"_ustr, u"\u231D"_ustr },
+        { u"urcrop"_ustr, u"\u230E"_ustr },
+        { u"uring"_ustr, u"\u016F"_ustr },
+        { u"urtri"_ustr, u"\u25F9"_ustr },
+        { u"uscr"_ustr, u"\U0001D4CA"_ustr },
+        { u"utdot"_ustr, u"\u22F0"_ustr },
+        { u"utilde"_ustr, u"\u0169"_ustr },
+        { u"utri"_ustr, u"\u25B5"_ustr },
+        { u"utrif"_ustr, u"\u25B4"_ustr },
+        { u"uuarr"_ustr, u"\u21C8"_ustr },
+        { u"uuml"_ustr, u"\u00FC"_ustr },
+        { u"uwangle"_ustr, u"\u29A7"_ustr },
+        { u"vArr"_ustr, u"\u21D5"_ustr },
+        { u"vBar"_ustr, u"\u2AE8"_ustr },
+        { u"vBarv"_ustr, u"\u2AE9"_ustr },
+        { u"vDash"_ustr, u"\u22A8"_ustr },
+        { u"vangrt"_ustr, u"\u299C"_ustr },
+        { u"varepsilon"_ustr, u"\u03F5"_ustr },
+        { u"varkappa"_ustr, u"\u03F0"_ustr },
+        { u"varnothing"_ustr, u"\u2205"_ustr },
+        { u"varphi"_ustr, u"\u03D5"_ustr },
+        { u"varpi"_ustr, u"\u03D6"_ustr },
+        { u"varpropto"_ustr, u"\u221D"_ustr },
+        { u"varr"_ustr, u"\u2195"_ustr },
+        { u"varrho"_ustr, u"\u03F1"_ustr },
+        { u"varsigma"_ustr, u"\u03C2"_ustr },
+        { u"varsubsetneq"_ustr, u"\u228A\uFE00"_ustr },
+        { u"varsubsetneqq"_ustr, u"\u2ACB\uFE00"_ustr },
+        { u"varsupsetneq"_ustr, u"\u228B\uFE00"_ustr },
+        { u"varsupsetneqq"_ustr, u"\u2ACC\uFE00"_ustr },
+        { u"vartheta"_ustr, u"\u03D1"_ustr },
+        { u"vartriangleleft"_ustr, u"\u22B2"_ustr },
+        { u"vartriangleright"_ustr, u"\u22B3"_ustr },
+        { u"vcy"_ustr, u"\u0432"_ustr },
+        { u"vdash"_ustr, u"\u22A2"_ustr },
+        { u"vee"_ustr, u"\u2228"_ustr },
+        { u"veebar"_ustr, u"\u22BB"_ustr },
+        { u"veeeq"_ustr, u"\u225A"_ustr },
+        { u"vellip"_ustr, u"\u22EE"_ustr },
+        { u"verbar"_ustr, u"\u007C"_ustr },
+        { u"vert"_ustr, u"\u007C"_ustr },
+        { u"vfr"_ustr, u"\U0001D533"_ustr },
+        { u"vltri"_ustr, u"\u22B2"_ustr },
+        { u"vnsub"_ustr, u"\u2282\u20D2"_ustr },
+        { u"vnsup"_ustr, u"\u2283\u20D2"_ustr },
+        { u"vopf"_ustr, u"\U0001D567"_ustr },
+        { u"vprop"_ustr, u"\u221D"_ustr },
+        { u"vrtri"_ustr, u"\u22B3"_ustr },
+        { u"vscr"_ustr, u"\U0001D4CB"_ustr },
+        { u"vsubnE"_ustr, u"\u2ACB\uFE00"_ustr },
+        { u"vsubne"_ustr, u"\u228A\uFE00"_ustr },
+        { u"vsupnE"_ustr, u"\u2ACC\uFE00"_ustr },
+        { u"vsupne"_ustr, u"\u228B\uFE00"_ustr },
+        { u"vzigzag"_ustr, u"\u299A"_ustr },
+        { u"wcirc"_ustr, u"\u0175"_ustr },
+        { u"wedbar"_ustr, u"\u2A5F"_ustr },
+        { u"wedge"_ustr, u"\u2227"_ustr },
+        { u"wedgeq"_ustr, u"\u2259"_ustr },
+        { u"weierp"_ustr, u"\u2118"_ustr },
+        { u"wfr"_ustr, u"\U0001D534"_ustr },
+        { u"wopf"_ustr, u"\U0001D568"_ustr },
+        { u"wp"_ustr, u"\u2118"_ustr },
+        { u"wr"_ustr, u"\u2240"_ustr },
+        { u"wreath"_ustr, u"\u2240"_ustr },
+        { u"wscr"_ustr, u"\U0001D4CC"_ustr },
+        { u"xcap"_ustr, u"\u22C2"_ustr },
+        { u"xcirc"_ustr, u"\u25EF"_ustr },
+        { u"xcup"_ustr, u"\u22C3"_ustr },
+        { u"xdtri"_ustr, u"\u25BD"_ustr },
+        { u"xfr"_ustr, u"\U0001D535"_ustr },
+        { u"xhArr"_ustr, u"\u27FA"_ustr },
+        { u"xharr"_ustr, u"\u27F7"_ustr },
+        { u"xi"_ustr, u"\u03BE"_ustr },
+        { u"xlArr"_ustr, u"\u27F8"_ustr },
+        { u"xlarr"_ustr, u"\u27F5"_ustr },
+        { u"xmap"_ustr, u"\u27FC"_ustr },
+        { u"xnis"_ustr, u"\u22FB"_ustr },
+        { u"xodot"_ustr, u"\u2A00"_ustr },
+        { u"xopf"_ustr, u"\U0001D569"_ustr },
+        { u"xoplus"_ustr, u"\u2A01"_ustr },
+        { u"xotime"_ustr, u"\u2A02"_ustr },
+        { u"xrArr"_ustr, u"\u27F9"_ustr },
+        { u"xrarr"_ustr, u"\u27F6"_ustr },
+        { u"xscr"_ustr, u"\U0001D4CD"_ustr },
+        { u"xsqcup"_ustr, u"\u2A06"_ustr },
+        { u"xuplus"_ustr, u"\u2A04"_ustr },
+        { u"xutri"_ustr, u"\u25B3"_ustr },
+        { u"xvee"_ustr, u"\u22C1"_ustr },
+        { u"xwedge"_ustr, u"\u22C0"_ustr },
+        { u"yacute"_ustr, u"\u00FD"_ustr },
+        { u"yacy"_ustr, u"\u044F"_ustr },
+        { u"ycirc"_ustr, u"\u0177"_ustr },
+        { u"ycy"_ustr, u"\u044B"_ustr },
+        { u"yen"_ustr, u"\u00A5"_ustr },
+        { u"yfr"_ustr, u"\U0001D536"_ustr },
+        { u"yicy"_ustr, u"\u0457"_ustr },
+        { u"yopf"_ustr, u"\U0001D56A"_ustr },
+        { u"yscr"_ustr, u"\U0001D4CE"_ustr },
+        { u"yucy"_ustr, u"\u044E"_ustr },
+        { u"yuml"_ustr, u"\u00FF"_ustr },
+        { u"zacute"_ustr, u"\u017A"_ustr },
+        { u"zcaron"_ustr, u"\u017E"_ustr },
+        { u"zcy"_ustr, u"\u0437"_ustr },
+        { u"zdot"_ustr, u"\u017C"_ustr },
+        { u"zeetrf"_ustr, u"\u2128"_ustr },
+        { u"zeta"_ustr, u"\u03B6"_ustr },
+        { u"zfr"_ustr, u"\U0001D537"_ustr },
+        { u"zhcy"_ustr, u"\u0436"_ustr },
+        { u"zigrarr"_ustr, u"\u21DD"_ustr },
+        { u"zopf"_ustr, u"\U0001D56B"_ustr },
+        { u"zscr"_ustr, u"\U0001D4CF"_ustr },
+        { u"zwj"_ustr, u"\u200D"_ustr },
+        { u"zwnj"_ustr, u"\u200C"_ustr }
+        // clang-format on
+    };
+
+const ::css::uno::Sequence<::css::beans::Pair<OUString, OUString>>
+    starmathdatabase::icustomMathmlHtmlEntities(
+        icustomMathmlHtmlEntitiesData, starmathdatabase::STARMATH_MATHMLHTML_ENTITY_NUMBER);
+
+static ::css::beans::Pair<::rtl::OUString, ::rtl::OUString>
+    icustomMathmlHtmlEntitiesNamesExportData[2] = {
+        // clang-format off
+        { u"&sigma;"_ustr, u"\u03C3"_ustr},
+        { u"&infin;"_ustr, u"\u221E"_ustr}
+        // clang-format on
+    };
+const ::css::uno::Sequence<::css::beans::Pair<::rtl::OUString, ::rtl::OUString>>
+    starmathdatabase::icustomMathmlHtmlEntitiesExport(icustomMathmlHtmlEntitiesNamesExportData, 2);
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/mathtype.cxx b/starmath/source/mathtype.cxx
new file mode 100644
index 0000000000..aca49f034a
--- /dev/null
+++ b/starmath/source/mathtype.cxx
@@ -0,0 +1,3347 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "mathtype.hxx"
+#include "eqnolefilehdr.hxx"
+
+#include <filter/msfilter/classids.hxx>
+#include <osl/diagnose.h>
+#include <sfx2/docfile.hxx>
+#include <sot/storage.hxx>
+#include <array>
+
+//These are the default MathType sizes
+constexpr std::array<sal_Int16, 7> aSizeTable {
+    12,
+    8,
+    6,
+    24,
+    10,
+    12,
+    12,
+};
+
+void MathType::Init()
+{
+    /*
+    These are the default MathType italic/bold settings If mathtype is changed
+    from its defaults, there is nothing we can do, as this information is not
+    stored in the document
+    */
+    MathTypeFont aFont;
+    aUserStyles.reserve(11);
+    for(sal_uInt8 i=1;i<=11;i++)
+    {
+        aFont.nTface = i+128;
+        switch (i)
+        {
+            default:
+                aFont.nStyle=0;
+                break;
+            case 3:
+            case 4:
+                aFont.nStyle=1;
+                break;
+            case 7:
+                aFont.nStyle=2;
+                break;
+        }
+        aUserStyles.insert(aFont);
+    }
+}
+
+
+/*ToDo replace with table rather than switch, returns
+ sal_True in the case that the char is just a char, and
+ sal_False if the character is an operator which must not be
+ placed inside the quote sequence designed to protect
+ against being parsed as a keyword
+
+ General solution required to force starmath to handle
+ unicode math chars the way it handles its own math
+ chars rather than handle them as text as it will do
+ for the default case below, i.e. incorrect spacing
+ between math symbols and ordinary text e.g. 1=2 rather
+ than 1 = 2
+ */
+bool MathType::LookupChar(sal_Unicode nChar,OUStringBuffer &rRet,sal_uInt8 nVersion,
+    sal_uInt8 nTypeFace)
+{
+    bool bRet=false;
+    const char *pC = nullptr;
+    switch(nChar)
+    {
+        case 0x0000:
+            pC = " none ";
+            break;
+        case 0x00ac:
+            pC = " neg ";
+            break;
+        case 0x00b1:
+            pC = " +- ";
+            break;
+        case '(':
+            pC = " \\( ";
+            break;
+        case ')':
+            pC = " \\) ";
+            break;
+        case '[':
+            pC = " \\[ ";
+            break;
+        case ']':
+            pC = " \\] ";
+            break;
+        case '.':
+            pC = " \".\" ";
+            break;
+        case 0xae:
+            if ((nVersion < 3) && (nTypeFace == 0x86))
+                pC = " rightarrow ";
+            else
+            {
+                rRet.append(OUStringChar(nChar));
+                bRet=true;
+            }
+            break;
+        case 0x00fb:
+            if ((nVersion < 3) && (nTypeFace == 0x81))
+                nChar = 0xDF;
+            rRet.append(OUStringChar(nChar));
+            bRet=true;
+            break;
+        case 'a':
+            if ((nVersion < 3) && (nTypeFace == 0x84))
+                nChar = 0x3b1;
+            rRet.append(OUStringChar(nChar));
+            bRet=true;
+            break;
+        case 'b':
+            if ((nVersion < 3) && (nTypeFace == 0x84))
+                nChar = 0x3b2;
+            rRet.append(OUStringChar(nChar));
+            bRet=true;
+            break;
+        case 'l':
+            if ((nVersion < 3) && (nTypeFace == 0x84))
+                nChar = 0x3bb;
+            rRet.append(OUStringChar(nChar));
+            bRet=true;
+            break;
+        case 'n':
+            if ((nVersion < 3) && (nTypeFace == 0x84))
+                nChar = 0x3bd;
+            rRet.append(OUStringChar(nChar));
+            bRet=true;
+            break;
+        case 'r':
+            if ((nVersion < 3) && (nTypeFace == 0x84))
+                nChar = 0x3c1;
+            rRet.append(OUStringChar(nChar));
+            bRet=true;
+            break;
+        case 'D':
+            if ((nVersion < 3) && (nTypeFace == 0x84))
+                nChar = 0x394;
+            rRet.append(OUStringChar(nChar));
+            bRet=true;
+            break;
+        case 0xa9:
+            if ((nVersion < 3) && (nTypeFace == 0x82))
+                nChar = '\'';
+            rRet.append(OUStringChar(nChar));
+            bRet=true;
+            break;
+        case 0x00f1:
+            if ((nVersion < 3) && (nTypeFace == 0x86))
+                pC = " \\rangle ";
+            else
+            {
+                rRet.append(OUStringChar(nChar));
+                bRet=true;
+            }
+            break;
+        case 0x00a3:
+            if ((nVersion < 3) && (nTypeFace == 0x86))
+                pC = " <= ";
+            else
+            {
+                rRet.append(OUStringChar(nChar));
+                bRet=true;
+            }
+            break;
+        case 0x00de:
+            if ((nVersion < 3) && (nTypeFace == 0x86))
+                pC = " drarrow ";
+            else
+            {
+                rRet.append(OUStringChar(nChar));
+                bRet=true;
+            }
+            break;
+        case 0x0057:
+            if ((nVersion < 3) && (nTypeFace == 0x85))
+                pC = " %OMEGA ";
+            else
+            {
+                rRet.append(OUStringChar(nChar));
+                bRet=true;
+            }
+            break;
+        case 0x007b:
+            pC = " lbrace ";
+            break;
+        case 0x007c:
+            pC = " \\lline ";
+            break;
+        case 0x007d:
+            pC = " rbrace ";
+            break;
+        case 0x007e:
+            pC = " \"~\" ";
+            break;
+        case 0x2224:
+            pC = " ndivides ";
+            break;
+        case 0x2225:
+            pC = " parallel ";
+            break;
+        case 0x00d7:
+            if (nVersion < 3)
+                pC = " cdot ";
+            else
+                pC = " times ";
+            break;
+        case 0x00f7:
+            pC = " div ";
+            break;
+        case 0x019b:
+            pC = " lambdabar ";
+            break;
+        case 0x2026:
+            pC = " dotslow ";
+            break;
+        case 0x2022:
+            pC = " cdot ";
+            break;
+        case 0x2102:
+            pC = " setC ";
+            break;
+        case 0x210f:
+            pC = " hbar ";
+            break;
+        case 0x2111:
+            pC = " Im ";
+            break;
+        case 0x2115:
+            pC = " setN ";
+            break;
+        case 0x2118:
+            pC = " wp ";
+            break;
+        case 0x211a:
+            pC = " setQ ";
+            break;
+        case 0x211c:
+            pC = " Re ";
+            break;
+        case 0x211d:
+            pC = " setR ";
+            break;
+        case 0x2124:
+            pC = " setZ ";
+            break;
+        case 0x2135:
+            pC = " aleph ";
+            break;
+        case 0x2190:
+            pC = " leftarrow ";
+            break;
+        case 0x2191:
+            pC = " uparrow ";
+            break;
+        case 0x2192:
+            pC = " rightarrow ";
+            break;
+        case 0x0362:
+            pC = " widevec ";
+            break;
+        case 0x2193:
+            pC = " downarrow ";
+            break;
+        case 0x21d0:
+            pC = " dlarrow ";
+            break;
+        case 0x21d2:
+            pC = " drarrow ";
+            break;
+        case 0x21d4:
+            pC = " dlrarrow ";
+            break;
+        case 0x2200:
+            pC = " forall ";
+            break;
+        case 0x2202:
+            pC = " partial ";
+            break;
+        case 0x2203:
+            pC = " exists ";
+            break;
+        case 0x2204:
+            pC = " notexists ";
+            break;
+        case 0x2205:
+            pC = " emptyset ";
+            break;
+        case 0x2207:
+            pC = " nabla ";
+            break;
+        case 0x2112:
+            pC = " laplace ";
+            break;
+        case 0x03F6:
+            pC = " backepsilon ";
+            break;
+        case 0x2208: // in
+        case 0x2209: // notin
+            rRet.append(" func " + OUStringChar(nChar) + " ");
+            break;
+        case 0x220d: // owns
+            rRet.append(u" func \u220b ");
+            break;
+        case 0x220f:
+            pC = " prod ";
+            break;
+        case 0x2210:
+            pC = " coprod ";
+            break;
+        case 0x2211:
+            pC = " sum ";
+            break;
+        case 0x2212:
+            pC = " - ";
+            break;
+        case 0x2213:
+            pC = " -+ ";
+            break;
+        case 0x2217:
+            pC = " * ";
+            break;
+        case 0x2218:
+            pC = " circ ";
+            break;
+        case 0x221d:
+            pC = " prop ";
+            break;
+        case 0x221e:
+            pC = " infinity ";
+            break;
+        case 0x2227:
+            pC = " and ";
+            break;
+        case 0x2228:
+            pC = " or ";
+            break;
+        case 0x2229:
+            pC = " intersection ";
+            break;
+        case 0x222a:
+            pC = " union ";
+            break;
+        case 0x222b:
+            pC = " int ";
+            break;
+        case 0x222c:
+            pC = " iint ";
+            break;
+        case 0x222d:
+            pC = " iiint ";
+            break;
+        case 0x222e:
+            pC = " lint ";
+            break;
+        case 0x222f:
+            pC = " llint ";
+            break;
+        case 0x2230:
+            pC = " lllint ";
+            break;
+        case 0x2245:
+            pC = " simeq ";
+            break;
+        case 0x2248:
+            pC = " approx ";
+            break;
+        case 0x2260:
+            pC = " <> ";
+            break;
+        case 0x2261:
+            pC = " equiv ";
+            break;
+        case 0x2264:
+            pC = " <= ";
+            break;
+        case 0x2265:
+            pC = " >= ";
+            break;
+
+        case 0x227A:
+            pC = " prec ";
+            break;
+        case 0x227B:
+            pC = " succ ";
+            break;
+        case 0x227C:
+            pC = " preccurlyeq ";
+            break;
+        case 0x227D:
+            pC = " succcurlyeq ";
+            break;
+        case 0x227E:
+            pC = " precsim ";
+            break;
+        case 0x227F:
+            pC = " succsim ";
+            break;
+        case 0x2280:
+            pC = " nprec ";
+            break;
+        case 0x2281:
+            pC = " nsucc ";
+            break;
+
+        case 0x2282: // subset
+        case 0x2283: // supset
+        case 0x2284: // nsubset
+        case 0x2285: // nsupset
+        case 0x2286: // subseteq
+        case 0x2287: // supseteq
+        case 0x2288: // nsubseteq
+        case 0x2289: // nsupseteq
+        case 0x22b2: // NORMAL SUBGROUP OF
+        case 0x22b3: // CONTAINS AS NORMAL SUBGROUP
+            rRet.append(" func " + OUStringChar(nChar) + " ");
+            break;
+        case 0x22a5:
+            pC = " ortho ";
+            break;
+        case 0x22c5:
+            pC = " cdot ";
+            break;
+        case 0x22ee:
+            pC = " dotsvert ";
+            break;
+        case 0x22ef:
+            pC = " dotsaxis ";
+            break;
+        case 0x22f0:
+            pC = " dotsup ";
+            break;
+        case 0x22f1:
+            pC = " dotsdown ";
+            break;
+        case MS_LANGLE:
+        case MS_LMATHANGLE:
+            pC = " langle ";
+            break;
+        case MS_RANGLE:
+        case MS_RMATHANGLE:
+            pC = " rangle ";
+            break;
+        case 0x301a:
+            pC = " ldbracket ";
+            break;
+        case 0x301b:
+            pC = " rdbracket ";
+            break;
+        case 0xe083:
+            rRet.append("+");
+            bRet=true;
+            break;
+        case '^':
+        case 0xe091:
+            pC = " widehat ";
+            break;
+        case 0xe096:
+            pC = " widetilde ";
+            break;
+        case 0xe098:
+            pC = " widevec ";
+            break;
+        case 0xE421:
+            pC = " geslant ";
+            break;
+        case 0xE425:
+            pC = " leslant ";
+            break;
+        case 0xeb01:    //no space
+        case 0xeb08:    //normal space
+            bRet=true;
+            break;
+        case 0xef04:    //tiny space
+        case 0xef05:    //tiny space
+        case 0xeb02:    //small space
+        case 0xeb04:    //medium space
+            rRet.append("`");
+            break;
+        case 0xeb05:    //large space
+            rRet.append("~");
+            break;
+        case 0x3a9:
+            pC = " %OMEGA ";
+            break;
+        default:
+            rRet.append(OUStringChar(nChar));
+            bRet=true;
+            break;
+    }
+    if (pC)
+        rRet.appendAscii(pC);
+    return bRet;
+}
+
+void MathTypeFont::AppendStyleToText(OUString &rRet)
+{
+    const char *pC = nullptr;
+    switch (nStyle)
+    {
+        default:
+        case 0:
+            break;
+        case 1:
+            pC = " ital ";
+            break;
+        case 2:
+            pC = " bold ";
+            break;
+        case 3:
+            pC = " bold italic";
+            break;
+    }
+    if (pC)
+        rRet += OUString::createFromAscii( pC );
+}
+
+void MathType::TypeFaceToString(OUString &rTxt,sal_uInt8 nFace)
+{
+    MathTypeFont aFont(nFace);
+    auto aItr = aUserStyles.find(aFont);
+    if (aItr != aUserStyles.end())
+        aFont.nStyle = aItr->nStyle;
+    aFont.AppendStyleToText(rTxt);
+}
+
+bool MathType::Parse(SotStorage *pStor)
+{
+    tools::SvRef<SotStorageStream> xSrc = pStor->OpenSotStream(
+        "Equation Native",
+        StreamMode::STD_READ);
+    if ( (!xSrc.is()) || (ERRCODE_NONE != xSrc->GetError()))
+        return false;
+    return Parse(xSrc.get());
+}
+
+bool MathType::Parse(SvStream* pStream)
+{
+    pS = pStream;
+    pS->SetEndian( SvStreamEndian::LITTLE );
+
+    EQNOLEFILEHDR aHdr;
+    aHdr.Read(pS);
+    sal_uInt8 nProdVersion;
+    sal_uInt8 nProdSubVersion;
+    sal_uInt8 nPlatform;
+    sal_uInt8 nProduct;
+    pS->ReadUChar( nVersion );
+    pS->ReadUChar( nPlatform );
+    pS->ReadUChar( nProduct );
+    pS->ReadUChar( nProdVersion );
+    pS->ReadUChar( nProdSubVersion );
+
+    if (!pS->good() || nVersion > 3)   // allow only supported versions of MathType to be parsed
+        return false;
+
+    bool bRet = HandleRecords(0);
+    //little crude hack to close occasionally open expressions
+    //a sophisticated system to determine what expressions are
+    //opened is required, but this is as much work as rewriting
+    //starmaths internals.
+    rRet.append("{}");
+
+    return bRet;
+}
+
+static void lcl_PrependDummyTerm(OUStringBuffer &rRet, sal_Int32 &rTextStart)
+{
+    if ((rTextStart < rRet.getLength()) &&
+        (rRet[rTextStart] == '=') &&
+        ((rTextStart == 0) || (rRet[ rTextStart-1 ] == '{'))
+       )
+    {
+        rRet.insert(rTextStart, " {}");
+        rTextStart+=3;
+    }
+}
+
+static void lcl_AppendDummyTerm(OUStringBuffer &rRet)
+{
+    bool bOk=false;
+    for(int nI=rRet.getLength()-1;nI >= 0; nI--)
+    {
+        sal_Int32 nIdx = sal::static_int_cast< sal_Int32 >(nI);
+        sal_Unicode nChar = rRet[nIdx];
+        if (nChar == ' ')
+            continue;
+        if (rRet[nIdx] != '{')
+            bOk=true;
+        break;
+    }
+    if (!bOk)   //No term, use dummy
+        rRet.append(" {}");
+}
+
+void MathType::HandleNudge()
+{
+    sal_uInt8 nXNudge(0);
+    pS->ReadUChar(nXNudge);
+    sal_uInt8 nYNudge(0);
+    pS->ReadUChar(nYNudge);
+    if (nXNudge == 128 && nYNudge == 128)
+    {
+        sal_uInt16 nXLongNudge(0);
+        sal_uInt16 nYLongNudge(0);
+        pS->ReadUInt16(nXLongNudge);
+        pS->ReadUInt16(nYLongNudge);
+    }
+}
+
+/* Fabulously complicated as many tokens have to be reordered and generally
+ * moved around from mathtypes paradigm to starmaths. */
+bool MathType::HandleRecords(int nLevel, sal_uInt8 nSelector,
+    sal_uInt8 nVariation, int nMatrixRows, int nMatrixCols)
+{
+    //depth-protect
+    if (nLevel > 1024)
+        return false;
+
+    sal_uInt8 nTag,nRecord;
+    sal_uInt8 nTabType;
+    sal_uInt16 nTabOffset;
+    int i, newline=0;
+    bool bSilent=false;
+    int nPart=0;
+    OUString sPush,sMainTerm;
+    int nSetSize=0,nSetAlign=0;
+    int nCurRow=0,nCurCol=0;
+    bool bOpenString=false;
+    sal_Int32 nTextStart = 0;
+    sal_Int32 nSubSupStartPos = 0;
+    sal_Int32 nLastTemplateBracket=-1;
+    bool bRet = true;
+
+    do
+    {
+        nTag = 0;
+        pS->ReadUChar( nTag );
+        nRecord = nTag&0x0F;
+
+        /*MathType strings can of course include words which
+         *are StarMath keywords, the simplest solution is
+         to escape strings of greater than len 1 with double
+         quotes to avoid scanning the TokenTable for matches
+
+         Unfortunately it may turn out that the string gets
+         split during the handling of a character emblishment
+         so this special case must be handled in the
+         character handler case 2:
+         */
+        if ((nRecord == CHAR) && (!bOpenString))
+        {
+            bOpenString=true;
+            nTextStart = rRet.getLength();
+        }
+        else if ((nRecord != CHAR) && bOpenString)
+        {
+            bOpenString=false;
+            if ((rRet.getLength() - nTextStart) > 1)
+            {
+                OUString aStr;
+                TypeFaceToString(aStr,nTypeFace);
+                rRet.insert(nTextStart, aStr + "\"");
+                rRet.append("\"");
+            }
+            else if (nRecord == END && !rRet.isEmpty())
+            {
+                sal_Unicode cChar = 0;
+                sal_Int32 nI = rRet.getLength()-1;
+                while (nI)
+                {
+                    cChar = rRet[nI];
+                    if (cChar != ' ')
+                        break;
+                    --nI;
+                }
+                if ((cChar == '=') || (cChar == '+') || (cChar == '-'))
+                    rRet.append("{}");
+            }
+        }
+
+        switch(nRecord)
+        {
+            case LINE:
+                {
+                    if (xfLMOVE(nTag))
+                        HandleNudge();
+
+                    if (newline>0)
+                        rRet.append("\nnewline\n");
+                    if (!(xfNULL(nTag)))
+                    {
+                        switch (nSelector)
+                        {
+                        case tmANGLE:
+                            if (nVariation==0)
+                                rRet.append(" langle ");
+                            else if (nVariation==1)
+                                rRet.append(" \\langle ");
+                            break;
+                        case tmPAREN:
+                            if (nVariation==0)
+                                rRet.append(" left (");
+                            else if (nVariation==1)
+                                rRet.append("\\(");
+                            break;
+                        case tmBRACE:
+                            if ((nVariation==0) || (nVariation==1))
+                                rRet.append(" left lbrace ");
+                            else
+                                rRet.append(" left none ");
+                            break;
+                        case tmBRACK:
+                            if (nVariation==0)
+                                rRet.append(" left [");
+                            else if (nVariation==1)
+                                rRet.append("\\[");
+                            break;
+                        case tmLBLB:
+                        case tmLBRP:
+                            rRet.append(" \\[");
+                            break;
+                        case tmBAR:
+                            if (nVariation==0)
+                                rRet.append(" lline ");
+                            else if (nVariation==1)
+                                rRet.append(" \\lline ");
+                            break;
+                        case tmDBAR:
+                            if (nVariation==0)
+                                rRet.append(" ldline ");
+                            else if (nVariation==1)
+                                rRet.append(" \\ldline ");
+                            break;
+                        case tmFLOOR:
+                            if (nVariation == 0 || nVariation & 0x01) // tvFENCE_L
+                                rRet.append(" left lfloor ");
+                            else
+                                rRet.append(" left none ");
+                            break;
+                        case tmCEILING:
+                            if (nVariation==0)
+                                rRet.append(" lceil ");
+                            else if (nVariation==1)
+                                rRet.append(" \\lceil ");
+                            break;
+                        case tmRBRB:
+                        case tmRBLB:
+                            rRet.append(" \\]");
+                            break;
+                        case tmLPRB:
+                            rRet.append(" \\(");
+                            break;
+                        case tmROOT:
+                            if (nPart == 0)
+                            {
+                                if (nVariation == 0)
+                                    rRet.append(" sqrt");
+                                else
+                                {
+                                    rRet.append(" nroot");
+                                    sPush = rRet.makeStringAndClear();
+                                }
+                            }
+                            rRet.append(" {");
+                            break;
+                        case tmFRACT:
+                            if (nPart == 0)
+                                rRet.append(" { ");
+
+
+                            if (nPart == 1)
+                                rRet.append(" over ");
+                            rRet.append(" {");
+                            break;
+                        case tmSCRIPT:
+                            nSubSupStartPos = rRet.getLength();
+                            if ((nVariation == 0) ||
+                                    ((nVariation == 2) && (nPart==1)))
+                            {
+                                lcl_AppendDummyTerm(rRet);
+                                rRet.append(" rSup");
+                            }
+                            else if ((nVariation == 1) ||
+                                    ((nVariation == 2) && (nPart==0)))
+                            {
+                                lcl_AppendDummyTerm(rRet);
+                                rRet.append(" rSub");
+                            }
+                            rRet.append(" {");
+                            break;
+                        case tmUBAR:
+                            if (nVariation == 0)
+                                rRet.append(" {underline ");
+                            else if (nVariation == 1)
+                                rRet.append(" {underline underline ");
+                            rRet.append(" {");
+                            break;
+                        case tmOBAR:
+                            if (nVariation == 0)
+                                rRet.append(" {overline ");
+                            else if (nVariation == 1)
+                                rRet.append(" {overline overline ");
+                            rRet.append(" {");
+                            break;
+                        case tmLARROW:
+                            if (nPart == 0)
+                            {
+                                if (nVariation == 0)
+                                    rRet.append(" widevec ");//left arrow above
+                                else if (nVariation == 1)
+                                    rRet.append(" widevec ");//left arrow below
+                                rRet.append(" {");
+                            }
+                            break;
+                        case tmRARROW:
+                            if (nPart == 0)
+                            {
+                                if (nVariation == 0)
+                                    rRet.append(" widevec ");//right arrow above
+                                else if (nVariation == 1)
+                                    rRet.append(" widevec ");//right arrow below
+                                rRet.append(" {");
+                            }
+                            break;
+                        case tmBARROW:
+                            if (nPart == 0)
+                            {
+                                if (nVariation == 0)
+                                    rRet.append(" widevec ");//double arrow above
+                                else if (nVariation == 1)
+                                    rRet.append(" widevec ");//double arrow below
+                                rRet.append(" {");
+                            }
+                            break;
+                        case tmSINT:
+                            if (nPart == 0)
+                            {
+                                if ((nVariation == 3) || (nVariation == 4))
+                                    rRet.append(" lInt");
+                                else
+                                    rRet.append(" Int");
+                                if ( (nVariation != 0) && (nVariation != 3))
+                                {
+                                    sPush = rRet.makeStringAndClear();
+                                }
+                            }
+                            if (((nVariation == 1) ||
+                                    (nVariation == 4)) && (nPart==1))
+                                rRet.append(" rSub");
+                            else if ((nVariation == 2) && (nPart==2))
+                                rRet.append(" rSup");
+                            else if ((nVariation == 2) && (nPart==1))
+                                rRet.append(" rSub");
+                            rRet.append(" {");
+                            break;
+                        case tmDINT:
+                            if (nPart == 0)
+                            {
+                                if ((nVariation == 2) || (nVariation == 3))
+                                    rRet.append(" llInt");
+                                else
+                                    rRet.append(" iInt");
+                                if ( (nVariation != 0) && (nVariation != 2))
+                                {
+                                    sPush = rRet.makeStringAndClear();
+                                }
+                            }
+                            if (((nVariation == 1) ||
+                                    (nVariation == 3)) && (nPart==1))
+                                rRet.append(" rSub");
+                            rRet.append(" {");
+                            break;
+                        case tmTINT:
+                            if (nPart == 0)
+                            {
+                                if ((nVariation == 2) || (nVariation == 3))
+                                    rRet.append(" lllInt");
+                                else
+                                    rRet.append(" iiInt");
+                                if ( (nVariation != 0) && (nVariation != 2))
+                                {
+                                    sPush = rRet.makeStringAndClear();
+                                }
+                            }
+                            if (((nVariation == 1) ||
+                                    (nVariation == 3)) && (nPart==1))
+                                rRet.append(" rSub");
+                            rRet.append(" {");
+                            break;
+                        case tmSSINT:
+                            if (nPart == 0)
+                            {
+                                if (nVariation == 2)
+                                    rRet.append(" lInt");
+                                else
+                                    rRet.append(" Int");
+                                sPush = rRet.makeStringAndClear();
+                            }
+                            if (((nVariation == 1) ||
+                                    (nVariation == 2)) && (nPart==1))
+                                rRet.append(" cSub");
+                            else if ((nVariation == 0) && (nPart==2))
+                                rRet.append(" cSup");
+                            else if ((nVariation == 0) && (nPart==1))
+                                rRet.append(" cSub");
+                            rRet.append(" {");
+                            break;
+                        case tmDSINT:
+                            if (nPart == 0)
+                            {
+                                if (nVariation == 0)
+                                    rRet.append(" llInt");
+                                else
+                                    rRet.append(" iInt");
+                                sPush = rRet.makeStringAndClear();
+                            }
+                            if (nPart==1)
+                                rRet.append(" cSub");
+                            rRet.append(" {");
+                            break;
+                        case tmTSINT:
+                            if (nPart == 0)
+                            {
+                                if (nVariation == 0)
+                                    rRet.append(" lllInt");
+                                else
+                                    rRet.append(" iiInt");
+                                sPush = rRet.makeStringAndClear();
+                            }
+                            if (nPart==1)
+                                rRet.append(" cSub");
+                            rRet.append(" {");
+                            break;
+                        case tmUHBRACE:
+                        case tmLHBRACE:
+                            rRet.append(" {");
+                            break;
+                        case tmSUM:
+                            if (nPart == 0)
+                            {
+                                rRet.append(" Sum");
+                                if (nVariation != 2)
+                                {
+                                    sPush = rRet.makeStringAndClear();
+                                }
+                            }
+                            if ((nVariation == 0) && (nPart==1))
+                                rRet.append(" cSub");
+                            else if ((nVariation == 1) && (nPart==2))
+                                rRet.append(" cSup");
+                            else if ((nVariation == 1) && (nPart==1))
+                                rRet.append(" cSub");
+                            rRet.append(" {");
+                            break;
+                        case tmISUM:
+                            if (nPart == 0)
+                            {
+                                rRet.append(" Sum");
+                                sPush = rRet.makeStringAndClear();
+                            }
+                            if ((nVariation == 0) && (nPart==1))
+                                rRet.append(" rSub");
+                            else if ((nVariation == 1) && (nPart==2))
+                                rRet.append(" rSup");
+                            else if ((nVariation == 1) && (nPart==1))
+                                rRet.append(" rSub");
+                            rRet.append(" {");
+                            break;
+                        case tmPROD:
+                            if (nPart == 0)
+                            {
+                                rRet.append(" Prod");
+                                if (nVariation != 2)
+                                {
+                                    sPush = rRet.makeStringAndClear();
+                                }
+                            }
+                            if ((nVariation == 0) && (nPart==1))
+                                rRet.append(" cSub");
+                            else if ((nVariation == 1) && (nPart==2))
+                                rRet.append(" cSup");
+                            else if ((nVariation == 1) && (nPart==1))
+                                rRet.append(" cSub");
+                            rRet.append(" {");
+                            break;
+                        case tmIPROD:
+                            if (nPart == 0)
+                            {
+                                rRet.append(" Prod");
+                                sPush = rRet.makeStringAndClear();
+                            }
+                            if ((nVariation == 0) && (nPart==1))
+                                rRet.append(" rSub");
+                            else if ((nVariation == 1) && (nPart==2))
+                                rRet.append(" rSup");
+                            else if ((nVariation == 1) && (nPart==1))
+                                rRet.append(" rSub");
+                            rRet.append(" {");
+                            break;
+                        case tmCOPROD:
+                            if (nPart == 0)
+                            {
+                                rRet.append(" coProd");
+                                if (nVariation != 2)
+                                {
+                                    sPush = rRet.makeStringAndClear();
+                                }
+                            }
+                            if ((nVariation == 0) && (nPart==1))
+                                rRet.append(" cSub");
+                            else if ((nVariation == 1) && (nPart==2))
+                                rRet.append(" cSup");
+                            else if ((nVariation == 1) && (nPart==1))
+                                rRet.append(" cSub");
+                            rRet.append(" {");
+                            break;
+                        case tmICOPROD:
+                            if (nPart == 0)
+                            {
+                                rRet.append(" coProd");
+                                sPush = rRet.makeStringAndClear();
+                            }
+                            if ((nVariation == 0) && (nPart==1))
+                                rRet.append(" rSub");
+                            else if ((nVariation == 1) && (nPart==2))
+                                rRet.append(" rSup");
+                            else if ((nVariation == 1) && (nPart==1))
+                                rRet.append(" rSub");
+                            rRet.append(" {");
+                            break;
+                        case tmUNION:
+                            if (nPart == 0)
+                            {
+                                rRet.append(" union"); //union
+                                if (nVariation != 2)
+                                {
+                                    sPush = rRet.makeStringAndClear();
+                                }
+                            }
+                            if ((nVariation == 0) && (nPart==1))
+                                rRet.append(" cSub");
+                            else if ((nVariation == 1) && (nPart==2))
+                                rRet.append(" cSup");
+                            else if ((nVariation == 1) && (nPart==1))
+                                rRet.append(" cSub");
+                            rRet.append(" {");
+                            break;
+                        case tmIUNION:
+                            if (nPart == 0)
+                            {
+                                rRet.append(" union"); //union
+                                sPush = rRet.makeStringAndClear();
+                            }
+                            if ((nVariation == 0) && (nPart==1))
+                                rRet.append(" rSub");
+                            else if ((nVariation == 1) && (nPart==2))
+                                rRet.append(" rSup");
+                            else if ((nVariation == 1) && (nPart==1))
+                                rRet.append(" rSub");
+                            rRet.append(" {");
+                            break;
+                        case tmINTER:
+                            if (nPart == 0)
+                            {
+                                rRet.append(" intersect"); //intersect
+                                if (nVariation != 2)
+                                {
+                                    sPush = rRet.makeStringAndClear();
+                                }
+                            }
+                            if ((nVariation == 0) && (nPart==1))
+                                rRet.append(" cSub");
+                            else if ((nVariation == 1) && (nPart==2))
+                                rRet.append(" cSup");
+                            else if ((nVariation == 1) && (nPart==1))
+                                rRet.append(" cSub");
+                            rRet.append(" {");
+                            break;
+                        case tmIINTER:
+                            if (nPart == 0)
+                            {
+                                rRet.append(" intersect"); //intersect
+                                sPush = rRet.makeStringAndClear();
+                            }
+                            if ((nVariation == 0) && (nPart==1))
+                                rRet.append(" rSub");
+                            else if ((nVariation == 1) && (nPart==2))
+                                rRet.append(" rSup");
+                            else if ((nVariation == 1) && (nPart==1))
+                                rRet.append(" rSub");
+                            rRet.append(" {");
+                            break;
+                        case tmLIM:
+                            if ((nVariation == 0) && (nPart==1))
+                                rRet.append(" cSup");
+                            else if ((nVariation == 1) && (nPart==1))
+                                rRet.append(" cSub");
+                            else if ((nVariation == 2) && (nPart==1))
+                                rRet.append(" cSub");
+                            else if ((nVariation == 2) && (nPart==2))
+                                rRet.append(" cSup");
+                            rRet.append(" {");
+                            break;
+                        case tmLDIV:
+                            if (nVariation == 0)
+                            {
+                                if (nPart == 0)
+                                {
+                                    sPush = rRet.makeStringAndClear();
+                                }
+                            }
+                            rRet.append(" {");
+                            if (nVariation == 0)
+                            {
+                                if (nPart == 1)
+                                    rRet.append("alignr ");
+                            }
+                            if (nPart == 0)
+                                rRet.append("\\lline ");
+                            if (nVariation == 1)
+                                rRet.append("overline ");
+                            break;
+                        case tmSLFRACT:
+                            rRet.append(" {");
+                            break;
+                        case tmINTOP:
+                            if (nPart == 0)
+                            {
+                                sPush = rRet.makeStringAndClear();
+                            }
+                            if ((nVariation == 0) && (nPart==0))
+                                rRet.append(" rSup");
+                            else if ((nVariation == 2) && (nPart==1))
+                                rRet.append(" rSup");
+                            else if ((nVariation == 1) && (nPart==0))
+                                rRet.append(" rSub");
+                            else if ((nVariation == 2) && (nPart==0))
+                                rRet.append(" rSub");
+                            rRet.append(" {");
+                            break;
+                        case tmSUMOP:
+                            if (nPart == 0)
+                            {
+                                sPush = rRet.makeStringAndClear();
+                            }
+                            if ((nVariation == 0) && (nPart==0))
+                                rRet.append(" cSup");
+                            else if ((nVariation == 2) && (nPart==1))
+                                rRet.append(" cSup");
+                            else if ((nVariation == 1) && (nPart==0))
+                                rRet.append(" cSub");
+                            else if ((nVariation == 2) && (nPart==0))
+                                rRet.append(" cSub");
+                            rRet.append(" {");
+                            break;
+                        case tmLSCRIPT:
+                            if (nPart == 0)
+                                rRet.append("\"\"");
+                            if ((nVariation == 0)
+                                    || ((nVariation == 2) && (nPart==1)))
+                                rRet.append(" lSup");
+                            else if ((nVariation == 1)
+                                    || ((nVariation == 2) && (nPart==0)))
+                                rRet.append(" lSub");
+                            rRet.append(" {");
+                            break;
+                        case tmDIRAC:
+                            if (nVariation==0)
+                            {
+                                if (nPart == 0)
+                                    rRet.append(" langle ");
+                            }
+                            else if (nVariation==1)
+                            {
+                                rRet.append(" \\langle ");
+                                newline--;
+                            }
+                            else if (nVariation==2)
+                            {
+                                rRet.append(" \\lline ");
+                                newline--;
+                            }
+                            break;
+                        case tmUARROW:
+                            if (nVariation == 0)
+                                rRet.append(" widevec ");//left below
+                            else if (nVariation == 1)
+                                rRet.append(" widevec ");//right below
+                            else if (nVariation == 2)
+                                rRet.append(" widevec ");//double headed below
+                            rRet.append(" {");
+                            break;
+                        case tmOARROW:
+                            if (nVariation == 0)
+                                rRet.append(" widevec ");//left above
+                            else if (nVariation == 1)
+                                rRet.append(" widevec ");//right above
+                            else if (nVariation == 2)
+                                rRet.append(" widevec ");//double headed above
+                            rRet.append(" {");
+                            break;
+                        default:
+                            break;
+                        }
+                        sal_Int16 nOldCurSize=nCurSize;
+                        sal_Int32 nSizeStartPos = rRet.getLength();
+                        HandleSize( nLSize, nDSize, nSetSize );
+                        bRet = HandleRecords( nLevel+1 );
+                        while (nSetSize)
+                        {
+                            bool bOk=false;
+                            sal_Int32 nI = rRet.lastIndexOf('{');
+                            if (nI != -1)
+                            {
+                                for(nI=nI+1;nI<rRet.getLength();nI++)
+                                    if (rRet[nI] != ' ')
+                                    {
+                                        bOk=true;
+                                        break;
+                                    }
+                            }
+                            else
+                                bOk=true;
+
+                            if (bOk)
+                                rRet.append("} ");
+                            else if (rRet.getLength() > nSizeStartPos)
+                                rRet = rRet.truncate(nSizeStartPos);
+                            nSetSize--;
+                            nCurSize=nOldCurSize;
+                        }
+
+
+                        HandleMatrixSeparator(nMatrixRows,nMatrixCols,
+                            nCurCol,nCurRow);
+
+                        switch (nSelector)
+                        {
+                        case tmANGLE:
+                            if (nVariation==0)
+                                rRet.append(" rangle ");
+                            else if (nVariation==2)
+                                rRet.append(" \\rangle ");
+                            break;
+                        case tmPAREN:
+                            if (nVariation==0)
+                                rRet.append(" right )");
+                            else if (nVariation==2)
+                                rRet.append("\\)");
+                            break;
+                        case tmBRACE:
+                            if ((nVariation==0) || (nVariation==2))
+                                rRet.append(" right rbrace ");
+                            else
+                                rRet.append(" right none ");
+                            break;
+                        case tmBRACK:
+                            if (nVariation==0)
+                                rRet.append(" right ]");
+                            else if (nVariation==2)
+                                rRet.append("\\]");
+                            break;
+                        case tmBAR:
+                            if (nVariation==0)
+                                rRet.append(" rline ");
+                            else if (nVariation==2)
+                                rRet.append(" \\rline ");
+                            break;
+                        case tmDBAR:
+                            if (nVariation==0)
+                                rRet.append(" rdline ");
+                            else if (nVariation==2)
+                                rRet.append(" \\rdline ");
+                            break;
+                        case tmFLOOR:
+                            if (nVariation == 0 || nVariation & 0x02) // tvFENCE_R
+                                rRet.append(" right rfloor ");
+                            else
+                                rRet.append(" right none ");
+                            break;
+                        case tmCEILING:
+                            if (nVariation==0)
+                                rRet.append(" rceil ");
+                            else if (nVariation==2)
+                                rRet.append(" \\rceil ");
+                            break;
+                        case tmLBLB:
+                        case tmRBLB:
+                            rRet.append("\\[");
+                            break;
+                        case tmRBRB:
+                        case tmLPRB:
+                            rRet.append("\\]");
+                            break;
+                        case tmROOT:
+                            rRet.append("} ");
+                            if (nVariation == 1)
+                            {
+                                if (nPart == 0)
+                                {
+                                    newline--;
+                                    sMainTerm = rRet.makeStringAndClear();
+                                }
+                                else if (nPart == 1)
+                                {
+                                    rRet.insert(0, sPush);
+                                    rRet.append(sMainTerm);
+                                    sPush.clear();
+                                    sMainTerm.clear();
+                                }
+                            }
+                            else
+                            {
+                                if (nPart == 0)
+                                    newline--;
+                            }
+                            nPart++;
+                            break;
+                        case tmLBRP:
+                            rRet.append("\\)");
+                            break;
+                        case tmFRACT:
+                            rRet.append("} ");
+                            if (nPart == 0)
+                                newline--;
+                            else
+                                rRet.append("} ");
+                            nPart++;
+                            break;
+                        case tmSCRIPT:
+                            {
+                            if ((nPart == 0) &&
+                                    ((nVariation == 2) || (nVariation == 1)))
+                                newline--;
+
+                            bool bOk=false;
+                            sal_Int32 nI = rRet.lastIndexOf('{');
+                            if (nI != -1)
+                            {
+                                for(nI=nI+1;nI<rRet.getLength();nI++)
+                                    if (rRet[nI] != ' ')
+                                    {
+                                        bOk=true;
+                                        break;
+                                    }
+                            }
+                            else
+                                bOk=true;
+
+                            if (bOk)
+                                rRet.append("} ");
+                            else if (rRet.getLength() > nSubSupStartPos)
+                                rRet = rRet.truncate(nSubSupStartPos);
+                            nPart++;
+                            }
+                            break;
+                        case tmLSCRIPT:
+                            if ((nPart == 0) &&
+                                    ((nVariation == 2) || (nVariation == 1)))
+                                newline--;
+                            rRet.append("} ");
+                            nPart++;
+                            break;
+                        case tmUARROW:
+                        case tmOARROW:
+                            rRet.append("} ");
+                            break;
+                        case tmUBAR:
+                        case tmOBAR:
+                            rRet.append("}} ");
+                            break;
+                        case tmLARROW:
+                        case tmRARROW:
+                        case tmBARROW:
+                            if (nPart == 0)
+                            {
+                                newline--;
+                                rRet.append("} ");
+                            }
+                            nPart++;
+                            break;
+                        case tmUHBRACE:
+                            rRet.append("} ");
+                            if (nPart == 0)
+                            {
+                                newline--;
+                                rRet.append("overbrace");
+                            }
+                            nPart++;
+                            break;
+                        case tmLHBRACE:
+                            rRet.append("} ");
+                            if (nPart == 0)
+                            {
+                                newline--;
+                                rRet.append("underbrace");
+                            }
+                            nPart++;
+                            break;
+                        case tmLIM:
+                            if (nPart==0)
+                                newline--;
+                            else if ((nPart==1) &&
+                                    ((nVariation == 2) || (nVariation == 1)))
+                                newline--;
+                            rRet.append("} ");
+                            nPart++;
+                            break;
+                        case tmLDIV:
+                            rRet.append("} ");
+                            if (nVariation == 0)
+                            {
+                                if (nPart == 0)
+                                {
+                                    sMainTerm = rRet.makeStringAndClear();
+                                }
+                                else if (nPart == 1)
+                                {
+                                    rRet.insert(0, sPush);
+                                    rRet.append(" over " + sMainTerm);
+                                    sPush.clear();
+                                    sMainTerm.clear();
+                                }
+                            }
+                            if (nPart == 0)
+                                newline--;
+                            nPart++;
+                            break;
+                        case tmSLFRACT:
+                            rRet.append("} ");
+                            if (nPart == 0)
+                            {
+                                newline--;
+                                switch (nVariation)
+                                {
+                                case 1:
+                                    rRet.append("slash");
+                                    break;
+                                default:
+                                    rRet.append("wideslash");
+                                    break;
+                                }
+                            }
+                            nPart++;
+                            break;
+                        case tmSUM:
+                        case tmISUM:
+                        case tmPROD:
+                        case tmIPROD:
+                        case tmCOPROD:
+                        case tmICOPROD:
+                        case tmUNION:
+                        case tmIUNION:
+                        case tmINTER:
+                        case tmIINTER:
+                            rRet.append("} ");
+                            if (nPart == 0)
+                            {
+                                if (nVariation != 2)
+                                {
+                                    sMainTerm = rRet.makeStringAndClear();
+                                }
+                                newline--;
+                            }
+                            else if ((nPart == 1) && (nVariation == 0))
+                            {
+                                rRet.insert(0, sPush);
+                                rRet.append(sMainTerm);
+                                sPush.clear();
+                                sMainTerm.clear();
+                                newline--;
+                            }
+                            else if ((nPart == 1) && (nVariation == 1))
+                                newline--;
+                            else if ((nPart == 2) && (nVariation == 1))
+                            {
+                                rRet.insert(0, sPush);
+                                rRet.append(sMainTerm);
+                                sPush.clear();
+                                sMainTerm.clear();
+                                newline--;
+                            }
+                            nPart++;
+                            break;
+                        case tmSINT:
+                            rRet.append("} ");
+                            if (nPart == 0)
+                            {
+                                if ((nVariation != 0) && (nVariation != 3))
+                                {
+                                    sMainTerm = rRet.makeStringAndClear();
+                                }
+                                newline--;
+                            }
+                            else if ((nPart == 1) &&
+                                    ((nVariation == 1) || (nVariation==4)))
+                            {
+                                rRet.insert(0, sPush);
+                                rRet.append(sMainTerm);
+                                sPush.clear();
+                                sMainTerm.clear();
+                                newline--;
+                            }
+                            else if ((nPart == 1) && (nVariation == 2))
+                                newline--;
+                            else if ((nPart == 2) && (nVariation == 2))
+                            {
+                                rRet.insert(0, sPush);
+                                rRet.append(sMainTerm);
+                                sPush.clear();
+                                sMainTerm.clear();
+                                newline--;
+                            }
+                            nPart++;
+                            break;
+                        case tmDINT:
+                        case tmTINT:
+                            rRet.append("} ");
+                            if (nPart == 0)
+                            {
+                                if ((nVariation != 0) && (nVariation != 2))
+                                {
+                                    sMainTerm = rRet.makeStringAndClear();
+                                }
+                                newline--;
+                            }
+                            else if ((nPart == 1) &&
+                                    ((nVariation == 1) || (nVariation==3)))
+                            {
+                                rRet.insert(0, sPush);
+                                rRet.append(sMainTerm);
+                                sPush.clear();
+                                sMainTerm.clear();
+                                newline--;
+                            }
+                            nPart++;
+                            break;
+                        case tmSSINT:
+                            rRet.append("} ");
+                            if (nPart == 0)
+                            {
+                                sMainTerm = rRet.makeStringAndClear();
+                                newline--;
+                            }
+                            else if ((nPart == 1) &&
+                                    ((nVariation == 1) || (nVariation==2)))
+                            {
+                                rRet.insert(0, sPush);
+                                rRet.append(sMainTerm);
+                                sPush.clear();
+                                sMainTerm.clear();
+                                newline--;
+                            }
+                            else if ((nPart == 1) && (nVariation == 0))
+                                newline--;
+                            else if ((nPart == 2) && (nVariation == 0))
+                            {
+                                rRet.insert(0, sPush);
+                                rRet.append(sMainTerm);
+                                sPush.clear();
+                                sMainTerm.clear();
+                                newline--;
+                            }
+                            nPart++;
+                            break;
+                        case tmDSINT:
+                        case tmTSINT:
+                            rRet.append("} ");
+                            if (nPart == 0)
+                            {
+                                sMainTerm = rRet.makeStringAndClear();
+                                newline--;
+                            }
+                            else if (nPart == 1)
+                            {
+                                rRet.insert(0, sPush);
+                                rRet.append(sMainTerm);
+                                sPush.clear();
+                                sMainTerm.clear();
+                                newline--;
+                            }
+                            nPart++;
+                            break;
+                        case tmINTOP:
+                        case tmSUMOP:
+                            rRet.append("} ");
+
+                            if ((nPart == 0) &&
+                                    ((nVariation == 0) || (nVariation == 1)))
+                            {
+                                sMainTerm = rRet.makeStringAndClear();
+                                newline--;
+                            }
+                            else if ((nPart == 0) && (nVariation == 2))
+                                newline--;
+                            else if ((nPart == 1) && (nVariation == 2))
+                            {
+                                sMainTerm = rRet.makeStringAndClear();
+                                newline--;
+                            }
+                            else if ((nPart == 2) || ((nPart == 1) &&
+                                    (nVariation == 0 || nVariation == 1)))
+                            {
+                                rRet.insert(0, sPush);
+                                rRet.append(sMainTerm);
+                                sPush.clear();
+                                sMainTerm.clear();
+                            }
+                            nPart++;
+                            break;
+                        case tmDIRAC:
+                            if (nVariation==0)
+                            {
+                                if (nPart == 0)
+                                {
+                                    newline--; //there is another term to arrive
+                                    rRet.append(" mline ");
+                                }
+                                else
+                                    rRet.append(" rangle ");
+                            }
+                            else if (nVariation==1)
+                                rRet.append(" \\lline ");
+                            else if (nVariation==2)
+                                rRet.append(" \\rangle ");
+                            nPart++;
+                            break;
+                        default:
+                            break;
+                        }
+                        bSilent = true; //Skip the optional brackets and/or
+                                        //symbols that follow some of these
+                                        //records. Foo Data.
+
+                        /*In matrices and piles we cannot separate equation
+                         *lines with the newline keyword*/
+                        if (nMatrixCols==0)
+                            newline++;
+                    }
+                }
+                break;
+            case CHAR:
+                if (xfLMOVE(nTag))
+                    HandleNudge();
+                bRet = HandleChar( nTextStart, nSetSize, nLevel, nTag, nSelector, nVariation, bSilent );
+                break;
+            case TMPL:
+                if (xfLMOVE(nTag))
+                    HandleNudge();
+                bRet = HandleTemplate( nLevel, nSelector, nVariation, nLastTemplateBracket );
+                break;
+            case PILE:
+                if (xfLMOVE(nTag))
+                    HandleNudge();
+                bRet = HandlePile( nSetAlign, nLevel, nSelector, nVariation );
+                HandleMatrixSeparator( nMatrixRows, nMatrixCols, nCurCol, nCurRow );
+                break;
+            case MATRIX:
+                if (xfLMOVE(nTag))
+                    HandleNudge();
+                bRet = HandleMatrix( nLevel, nSelector, nVariation );
+                HandleMatrixSeparator( nMatrixRows, nMatrixCols, nCurCol, nCurRow );
+                break;
+            case EMBEL:
+                if (xfLMOVE(nTag))
+                    HandleNudge();
+                HandleEmblishments();
+                break;
+            case RULER:
+            {
+                sal_uInt8 nTabStops(0);
+                pS->ReadUChar( nTabStops );
+                for (i=0;i<nTabStops;i++)
+                {
+                    pS->ReadUChar( nTabType );
+                    pS->ReadUInt16( nTabOffset );
+                }
+                SAL_WARN("starmath", "Not seen in the wild Equation Ruler Field");
+                break;
+            }
+            case FONT:
+                {
+                    MathTypeFont aFont;
+                    pS->ReadUChar( aFont.nTface );
+                    /*
+                    The typeface number is the negative (which makes it
+                    positive) of the typeface value (unbiased) that appears in
+                    CHAR records that might follow a given FONT record
+                    */
+                    aFont.nTface = 128-aFont.nTface;
+                    pS->ReadUChar( aFont.nStyle );
+                    aUserStyles.insert(aFont);
+                    // read font name
+                    while(true)
+                    {
+                        char nChar8(0);
+                        pS->ReadChar( nChar8 );
+                        if (nChar8 == 0)
+                            break;
+                    }
+                }
+                break;
+            case SIZE:
+                HandleSetSize();
+                break;
+            case 10:
+            case 11:
+            case 12:
+            case 13:
+            case 14:
+                nLSize=nRecord-10;
+                break;
+            case END:
+            default:
+                break;
+        }
+    }
+    while (nRecord != END && !pS->eof());
+    while (nSetSize)
+    {
+        rRet.append("}");
+        nSetSize--;
+    }
+    return bRet;
+}
+
+/*Simply determine if we are at the end of a record or the end of a line,
+ *with fiddly logic to see if we are in a matrix or a pile or neither
+
+ Note we cannot tell until after the event that this is the last entry
+ of a pile, so we must strip the last separator of a pile after this
+ is detected in the PILE handler
+ */
+void MathType::HandleMatrixSeparator(int nMatrixRows,int nMatrixCols,
+    int &rCurCol,int &rCurRow)
+{
+    if (nMatrixRows==0)
+        return;
+
+    if (rCurCol == nMatrixCols-1)
+    {
+        if (rCurRow != nMatrixRows-1)
+            rRet.append(" {} ##\n");
+        if (nMatrixRows!=-1)
+        {
+            rCurCol=0;
+            rCurRow++;
+        }
+    }
+    else
+    {
+        rRet.append(" {} # ");
+        if (nMatrixRows!=-1)
+            rCurCol++;
+        else
+            rRet.append("\n");
+    }
+}
+
+/* set the alignment of the following term, but starmath currently
+ * cannot handle vertical alignment */
+void MathType::HandleAlign(sal_uInt8 nHorAlign, int &rSetAlign)
+{
+    switch(nHorAlign)
+    {
+    case 1:
+    default:
+        rRet.append("alignl {");
+        break;
+    case 2:
+        rRet.append("alignc {");
+        break;
+    case 3:
+        rRet.append("alignr {");
+        break;
+    }
+    rSetAlign++;
+}
+
+/* set size of text, complexity due to overuse of signedness as a flag
+ * indicator by mathtype file format*/
+bool MathType::HandleSize(sal_Int16 nLstSize,sal_Int16 nDefSize, int &rSetSize)
+{
+    bool bRet=false;
+    if (nLstSize < 0)
+    {
+        const sal_Int16 nDefaultSize = 12;
+        if ((-nLstSize/32 != nDefaultSize) && (-nLstSize/32 != nCurSize))
+        {
+            if (rSetSize)
+            {
+                rSetSize--;
+                rRet.append("}");
+                bRet=true;
+            }
+            if (-nLstSize/32 != nLastSize)
+            {
+                nLastSize = nCurSize;
+                rRet.append(" size ");
+                rRet.append(static_cast<sal_Int32>(-nLstSize/32));
+                rRet.append("{");
+                bRet=true;
+                rSetSize++;
+            }
+            nCurSize = -nLstSize/32;
+        }
+    }
+    else
+    {
+        /*sizetable should theoretically be filled with the default sizes
+         *of the various font groupings matching starmaths equivalents
+         in aTypeFaces, and a test would be done to see if the new font
+         size would be the same as what starmath would have chosen for
+         itself anyway in which case the size setting could be ignored*/
+        nLstSize = aSizeTable.at(nLstSize);
+        nLstSize = nLstSize + nDefSize;
+        if (nLstSize != nCurSize)
+        {
+            if (rSetSize)
+            {
+                rSetSize--;
+                rRet.append("}");
+                bRet=true;
+            }
+            if (nLstSize != nLastSize)
+            {
+                nLastSize = nCurSize;
+                rRet.append(" size ");
+                rRet.append(static_cast<sal_Int32>(nLstSize));
+                rRet.append("{");
+                bRet=true;
+                rSetSize++;
+            }
+            nCurSize = nLstSize;
+        }
+    }
+    return bRet;
+}
+
+bool MathType::ConvertFromStarMath( SfxMedium& rMedium )
+{
+    if (!pTree)
+        return false;
+
+    SvStream *pStream = rMedium.GetOutStream();
+    if ( pStream )
+    {
+        tools::SvRef<SotStorage> pStor = new SotStorage( pStream, false );
+
+        SvGlobalName aGName(MSO_EQUATION3_CLASSID);
+        pStor->SetClass( aGName, SotClipboardFormatId::NONE, "Microsoft Equation 3.0");
+
+        static sal_uInt8 const aCompObj[] = {
+            0x01, 0x00, 0xFE, 0xFF, 0x03, 0x0A, 0x00, 0x00,
+            0xFF, 0xFF, 0xFF, 0xFF, 0x02, 0xCE, 0x02, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0xC0, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x46, 0x17, 0x00, 0x00, 0x00,
+            0x4D, 0x69, 0x63, 0x72, 0x6F, 0x73, 0x6F, 0x66,
+            0x74, 0x20, 0x45, 0x71, 0x75, 0x61, 0x74, 0x69,
+            0x6F, 0x6E, 0x20, 0x33, 0x2E, 0x30, 0x00, 0x0C,
+            0x00, 0x00, 0x00, 0x44, 0x53, 0x20, 0x45, 0x71,
+            0x75, 0x61, 0x74, 0x69, 0x6F, 0x6E, 0x00, 0x0B,
+            0x00, 0x00, 0x00, 0x45, 0x71, 0x75, 0x61, 0x74,
+            0x69, 0x6F, 0x6E, 0x2E, 0x33, 0x00, 0xF4, 0x39,
+            0xB2, 0x71, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+        };
+        tools::SvRef<SotStorageStream> xStor( pStor->OpenSotStream("\1CompObj"));
+        xStor->WriteBytes(aCompObj, sizeof(aCompObj));
+
+        static sal_uInt8 const aOle[] = {
+            0x01, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00
+            };
+        tools::SvRef<SotStorageStream> xStor2( pStor->OpenSotStream("\1Ole"));
+        xStor2->WriteBytes(aOle, sizeof(aOle));
+        xStor.clear();
+        xStor2.clear();
+
+        tools::SvRef<SotStorageStream> xSrc = pStor->OpenSotStream("Equation Native");
+        if ( (!xSrc.is()) || (ERRCODE_NONE != xSrc->GetError()))
+            return false;
+
+        pS = xSrc.get();
+        pS->SetEndian( SvStreamEndian::LITTLE );
+
+        pS->SeekRel(EQNOLEFILEHDR_SIZE); //Skip 28byte Header and fill it in later
+        pS->WriteUChar( 0x03 );
+        pS->WriteUChar( 0x01 );
+        pS->WriteUChar( 0x01 );
+        pS->WriteUChar( 0x03 );
+        pS->WriteUChar( 0x00 );
+        sal_uInt64 nSize = pS->Tell();
+        nPendingAttributes=0;
+
+        HandleNodes(pTree, 0);
+        pS->WriteUChar( END );
+
+        nSize = pS->Tell()-nSize;
+        pS->Seek(0);
+        EQNOLEFILEHDR aHdr(nSize+4+1);
+        aHdr.Write(pS);
+
+        pStor->Commit();
+    }
+
+    return true;
+}
+
+
+void MathType::HandleNodes(SmNode *pNode,int nLevel)
+{
+    switch(pNode->GetType())
+    {
+        case SmNodeType::Attribute:
+            HandleAttributes(pNode,nLevel);
+            break;
+        case SmNodeType::Text:
+            HandleText(pNode);
+            break;
+        case SmNodeType::VerticalBrace:
+            HandleVerticalBrace(pNode,nLevel);
+            break;
+        case SmNodeType::Brace:
+            HandleBrace(pNode,nLevel);
+            break;
+        case SmNodeType::Oper:
+            HandleOperator(pNode,nLevel);
+            break;
+        case SmNodeType::BinVer:
+            HandleFractions(pNode,nLevel);
+            break;
+        case SmNodeType::Root:
+            HandleRoot(pNode,nLevel);
+            break;
+        case SmNodeType::Special:
+            {
+            SmTextNode *pText = static_cast<SmTextNode *>(pNode);
+            //if the token str and the result text are the same then this
+            //is to be seen as text, else assume it's a mathchar
+            if (pText->GetText() == pText->GetToken().aText)
+                HandleText(pText);
+            else
+                HandleMath(pText);
+            }
+            break;
+        case SmNodeType::Math:
+        case SmNodeType::MathIdent:
+            HandleMath(pNode);
+            break;
+        case SmNodeType::SubSup:
+            HandleSubSupScript(pNode,nLevel);
+            break;
+        case SmNodeType::Table:
+            //Root Node, PILE equivalent, i.e. vertical stack
+            HandleTable(pNode,nLevel);
+            break;
+        case SmNodeType::Matrix:
+            HandleSmMatrix(static_cast<SmMatrixNode *>(pNode),nLevel);
+            break;
+        case SmNodeType::Line:
+        {
+            pS->WriteUChar( 0x0a );
+            pS->WriteUChar( LINE );
+            size_t nSize = pNode->GetNumSubNodes();
+            for (size_t i = 0; i < nSize; ++i)
+            {
+                if (SmNode *pTemp = pNode->GetSubNode(i))
+                    HandleNodes(pTemp,nLevel+1);
+            }
+            pS->WriteUChar( END );
+            break;
+        }
+        case SmNodeType::Align:
+            HandleMAlign(pNode,nLevel);
+            break;
+        case SmNodeType::Blank:
+            pS->WriteUChar( CHAR );
+            pS->WriteUChar( 0x98 );
+            if (pNode->GetToken().eType == TSBLANK)
+                pS->WriteUInt16( 0xEB04 );
+            else
+                pS->WriteUInt16( 0xEB05 );
+            break;
+        case SmNodeType::Expression: // same treatment as the default one
+        default:
+        {
+            size_t nSize = pNode->GetNumSubNodes();
+            for (size_t i = 0; i < nSize; ++i)
+            {
+                if (SmNode *pTemp = pNode->GetSubNode(i))
+                    HandleNodes(pTemp,nLevel+1);
+            }
+            break;
+        }
+    }
+}
+
+
+int MathType::StartTemplate(sal_uInt16 nSelector,sal_uInt16 nVariation)
+{
+    int nOldPending=nPendingAttributes;
+    pS->WriteUChar( TMPL ); //Template
+    pS->WriteUChar( nSelector ); //selector
+    pS->WriteUChar( nVariation ); //variation
+    pS->WriteUChar( 0x00 ); //options
+    pS->WriteUChar( LINE );
+    //there's just no way we can now handle any character
+    //attributes (from mathtypes perspective) centered
+    //over an expression but above template attribute
+    //such as widevec and similar constructs
+    //we have to drop them
+    nPendingAttributes=0;
+    return nOldPending;
+}
+
+void MathType::EndTemplate(int nOldPendingAttributes)
+{
+    pS->WriteUChar( END ); //end line
+    pS->WriteUChar( END ); //end template
+    nPendingAttributes=nOldPendingAttributes;
+}
+
+
+void MathType::HandleSmMatrix(SmMatrixNode *pMatrix,int nLevel)
+{
+    pS->WriteUChar( MATRIX );
+    pS->WriteUChar( 0x00 ); //vAlign ?
+    pS->WriteUChar( 0x00 ); //h_just
+    pS->WriteUChar( 0x00 ); //v_just
+    pS->WriteUChar( pMatrix->GetNumRows() ); //v_just
+    pS->WriteUChar( pMatrix->GetNumCols() ); //v_just
+    int nBytes=(pMatrix->GetNumRows()+1)*2/8;
+    if (((pMatrix->GetNumRows()+1)*2)%8)
+        nBytes++;
+    for (int j = 0; j < nBytes; j++)
+        pS->WriteUChar( 0x00 ); //row_parts
+    nBytes=(pMatrix->GetNumCols()+1)*2/8;
+    if (((pMatrix->GetNumCols()+1)*2)%8)
+        nBytes++;
+    for (int k = 0; k < nBytes; k++)
+        pS->WriteUChar( 0x00 ); //col_parts
+    size_t nSize = pMatrix->GetNumSubNodes();
+    for (size_t i = 0; i < nSize; ++i)
+    {
+        if (SmNode *pTemp = pMatrix->GetSubNode(i))
+        {
+            pS->WriteUChar( LINE ); //line
+            HandleNodes(pTemp,nLevel+1);
+            pS->WriteUChar( END ); //end line
+        }
+    }
+    pS->WriteUChar( END );
+}
+
+
+//Root Node, PILE equivalent, i.e. vertical stack
+void MathType::HandleTable(SmNode *pNode,int nLevel)
+{
+    size_t nSize = pNode->GetNumSubNodes();
+    //The root of the starmath is a table, if
+    //we convert this them each iteration of
+    //conversion from starmath to mathtype will
+    //add an extra unnecessary level to the
+    //mathtype output stack which would grow
+    //without bound in a multi step conversion
+
+    if (nLevel == 0)
+        pS->WriteUChar( 0x0A ); //initial size
+
+    if ( nLevel || (nSize >1))
+    {
+        pS->WriteUChar( PILE );
+        pS->WriteUChar( nHAlign ); //vAlign ?
+        pS->WriteUChar( 0x01 ); //hAlign
+    }
+
+    for (size_t i = 0; i < nSize; ++i)
+    {
+        if (SmNode *pTemp = pNode->GetSubNode(i))
+        {
+            pS->WriteUChar( LINE );
+            HandleNodes(pTemp,nLevel+1);
+            pS->WriteUChar( END );
+        }
+    }
+    if (nLevel || (nSize>1))
+        pS->WriteUChar( END );
+}
+
+
+void MathType::HandleRoot(SmNode *pNode,int nLevel)
+{
+    SmNode *pTemp;
+    pS->WriteUChar( TMPL ); //Template
+    pS->WriteUChar( 0x0D ); //selector
+    if (pNode->GetSubNode(0))
+        pS->WriteUChar( 0x01 ); //variation
+    else
+        pS->WriteUChar( 0x00 ); //variation
+    pS->WriteUChar( 0x00 ); //options
+
+    if (nullptr != (pTemp = pNode->GetSubNode(2)))
+    {
+        pS->WriteUChar( LINE ); //line
+        HandleNodes(pTemp,nLevel+1);
+        pS->WriteUChar( END );
+    }
+
+    if (nullptr != (pTemp = pNode->GetSubNode(0)))
+    {
+        pS->WriteUChar( LINE ); //line
+        HandleNodes(pTemp,nLevel+1);
+        pS->WriteUChar( END );
+    }
+    else
+        pS->WriteUChar( LINE|0x10 ); //dummy line
+
+
+    pS->WriteUChar( END );
+}
+
+sal_uInt8 MathType::HandleCScript(SmNode *pNode,SmNode *pContent,int nLevel,
+    sal_uInt64 *pPos,bool bTest)
+{
+    sal_uInt8 nVariation2=0xff;
+
+    if (bTest && pNode->GetSubNode(CSUP+1))
+    {
+        nVariation2=0;
+        if (pNode->GetSubNode(CSUB+1))
+            nVariation2=2;
+    }
+    else if (pNode->GetSubNode(CSUB+1))
+        nVariation2=1;
+
+    if (nVariation2!=0xff)
+    {
+        if (pPos)
+            *pPos = pS->Tell();
+        pS->WriteUChar( TMPL ); //Template
+        pS->WriteUChar( 0x2B ); //selector
+        pS->WriteUChar( nVariation2 );
+        pS->WriteUChar( 0x00 ); //options
+
+        if (pContent)
+        {
+            pS->WriteUChar( LINE ); //line
+            HandleNodes(pContent,nLevel+1);
+            pS->WriteUChar( END ); //line
+        }
+        else
+            pS->WriteUChar( LINE|0x10 );
+
+        pS->WriteUChar( 0x0B );
+
+        SmNode *pTemp;
+        if (nullptr != (pTemp = pNode->GetSubNode(CSUB+1)))
+        {
+            pS->WriteUChar( LINE ); //line
+            HandleNodes(pTemp,nLevel+1);
+            pS->WriteUChar( END ); //line
+        }
+        else
+            pS->WriteUChar( LINE|0x10 );
+        if (bTest && nullptr != (pTemp = pNode->GetSubNode(CSUP+1)))
+        {
+            pS->WriteUChar( LINE ); //line
+            HandleNodes(pTemp,nLevel+1);
+            pS->WriteUChar( END ); //line
+        }
+        else
+            pS->WriteUChar( LINE|0x10 );
+    }
+    return nVariation2;
+}
+
+
+/*
+ Sub and Sup scripts and another problem area, StarMath
+ can have all possible options used at the same time, whereas
+ Mathtype cannot. The ordering of the nodes for each system
+ is quite different as well leading to some complexity
+ */
+void MathType::HandleSubSupScript(SmNode *pNode,int nLevel)
+{
+    sal_uInt8 nVariation=0xff;
+    if (pNode->GetSubNode(LSUP+1))
+    {
+        nVariation=0;
+        if (pNode->GetSubNode(LSUB+1))
+            nVariation=2;
+    }
+    else if ( nullptr != pNode->GetSubNode(LSUB+1) )
+        nVariation=1;
+
+    SmNode *pTemp;
+    if (nVariation!=0xff)
+    {
+        pS->WriteUChar( TMPL ); //Template
+        pS->WriteUChar( 0x2c ); //selector
+        pS->WriteUChar( nVariation );
+        pS->WriteUChar( 0x00 ); //options
+        pS->WriteUChar( 0x0B );
+
+        if (nullptr != (pTemp = pNode->GetSubNode(LSUB+1)))
+        {
+            pS->WriteUChar( LINE ); //line
+            HandleNodes(pTemp,nLevel+1);
+            pS->WriteUChar( END ); //line
+        }
+        else
+            pS->WriteUChar( LINE|0x10 );
+        if (nullptr != (pTemp = pNode->GetSubNode(LSUP+1)))
+        {
+            pS->WriteUChar( LINE ); //line
+            HandleNodes(pTemp,nLevel+1);
+            pS->WriteUChar( END ); //line
+        }
+        else
+            pS->WriteUChar( LINE|0x10 );
+        pS->WriteUChar( END );
+        nVariation=0xff;
+    }
+
+
+    sal_uInt8 nVariation2=HandleCScript(pNode,nullptr,nLevel);
+
+    if (nullptr != (pTemp = pNode->GetSubNode(0)))
+    {
+        HandleNodes(pTemp,nLevel+1);
+    }
+
+    if (nVariation2 != 0xff)
+        pS->WriteUChar( END );
+
+    if (nullptr != (pNode->GetSubNode(RSUP+1)))
+    {
+        nVariation=0;
+        if (pNode->GetSubNode(RSUB+1))
+            nVariation=2;
+    }
+    else if (nullptr != pNode->GetSubNode(RSUB+1))
+        nVariation=1;
+
+    if (nVariation!=0xff)
+    {
+        pS->WriteUChar( TMPL ); //Template
+        pS->WriteUChar( 0x0F ); //selector
+        pS->WriteUChar( nVariation );
+        pS->WriteUChar( 0x00 ); //options
+        pS->WriteUChar( 0x0B );
+
+        if (nullptr != (pTemp = pNode->GetSubNode(RSUB+1)))
+        {
+            pS->WriteUChar( LINE ); //line
+            HandleNodes(pTemp,nLevel+1);
+            pS->WriteUChar( END ); //line
+        }
+        else
+            pS->WriteUChar( LINE|0x10 );
+        if (nullptr != (pTemp = pNode->GetSubNode(RSUP+1)))
+        {
+            pS->WriteUChar( LINE ); //line
+            HandleNodes(pTemp,nLevel+1);
+            pS->WriteUChar( END ); //line
+        }
+        else
+            pS->WriteUChar( LINE|0x10 );
+        pS->WriteUChar( END ); //line
+    }
+
+    //After subscript mathtype will keep the size of
+    //normal text at the subscript size, sigh.
+    pS->WriteUChar( 0x0A );
+}
+
+
+void MathType::HandleFractions(SmNode *pNode,int nLevel)
+{
+    SmNode *pTemp;
+    pS->WriteUChar( TMPL ); //Template
+    pS->WriteUChar( 0x0E ); //selector
+    pS->WriteUChar( 0x00 ); //variation
+    pS->WriteUChar( 0x00 ); //options
+
+    pS->WriteUChar( 0x0A );
+    pS->WriteUChar( LINE ); //line
+    if (nullptr != (pTemp = pNode->GetSubNode(0)))
+        HandleNodes(pTemp,nLevel+1);
+    pS->WriteUChar( END );
+
+    pS->WriteUChar( 0x0A );
+    pS->WriteUChar( LINE ); //line
+    if (nullptr != (pTemp = pNode->GetSubNode(2)))
+        HandleNodes(pTemp,nLevel+1);
+    pS->WriteUChar( END );
+
+    pS->WriteUChar( END );
+}
+
+
+void MathType::HandleBrace(SmNode *pNode,int nLevel)
+{
+    SmNode *pTemp;
+    SmNode *pLeft=pNode->GetSubNode(0);
+    SmNode *pRight=pNode->GetSubNode(2);
+
+    pS->WriteUChar( TMPL ); //Template
+    bIsReInterpBrace=false;
+    sal_uInt8 nBSpec=0x10;
+    auto nLoc = pS->Tell();
+    if (pLeft)
+    {
+        switch (pLeft->GetToken().eType)
+        {
+            case TLANGLE:
+                pS->WriteUChar( tmANGLE ); //selector
+                pS->WriteUChar( 0 ); //variation
+                pS->WriteUChar( 0 ); //options
+                break;
+            case TLBRACE:
+                pS->WriteUChar( tmBRACE ); //selector
+                pS->WriteUChar( 0 ); //variation
+                pS->WriteUChar( 0 ); //options
+                nBSpec+=3;
+                break;
+            case TLBRACKET:
+                pS->WriteUChar( tmBRACK ); //selector
+                pS->WriteUChar( 0 ); //variation
+                pS->WriteUChar( 0 ); //options
+                nBSpec+=3;
+                break;
+            case TLFLOOR:
+                pS->WriteUChar( tmFLOOR ); //selector
+                pS->WriteUChar( 0 ); //variation
+                pS->WriteUChar( 0 ); //options
+                break;
+            case TLLINE:
+                pS->WriteUChar( tmBAR ); //selector
+                pS->WriteUChar( 0 ); //variation
+                pS->WriteUChar( 0 ); //options
+                nBSpec+=3;
+                break;
+            case TLDLINE:
+                pS->WriteUChar( tmDBAR ); //selector
+                pS->WriteUChar( 0 ); //variation
+                pS->WriteUChar( 0 ); //options
+                break;
+            default:
+                pS->WriteUChar( tmPAREN ); //selector
+                pS->WriteUChar( 0 ); //variation
+                pS->WriteUChar( 0 ); //options
+                nBSpec+=3;
+                break;
+        }
+    }
+
+    if (nullptr != (pTemp = pNode->GetSubNode(1)))
+    {
+        pS->WriteUChar( LINE ); //line
+        HandleNodes(pTemp,nLevel+1);
+        pS->WriteUChar( END ); //options
+    }
+    nSpec=nBSpec;
+    if (pLeft)
+        HandleNodes(pLeft,nLevel+1);
+    if (bIsReInterpBrace)
+    {
+        auto nLoc2 = pS->Tell();
+        pS->Seek(nLoc);
+        pS->WriteUChar( 0x2D );
+        pS->Seek(nLoc2);
+        pS->WriteUChar( CHAR );
+        pS->WriteUChar( 0x96 );
+        pS->WriteUInt16( 0xEC07 );
+        bIsReInterpBrace=false;
+    }
+    if (pRight)
+        HandleNodes(pRight,nLevel+1);
+    nSpec=0x0;
+    pS->WriteUChar( END );
+}
+
+
+void MathType::HandleVerticalBrace(SmNode *pNode,int nLevel)
+{
+    SmNode *pTemp;
+    pS->WriteUChar( TMPL ); //Template
+    if (pNode->GetToken().eType == TUNDERBRACE)
+        pS->WriteUChar( tmLHBRACE ); //selector
+    else
+        pS->WriteUChar( tmUHBRACE ); //selector
+    pS->WriteUChar( 0 ); //variation
+    pS->WriteUChar( 0 ); //options
+
+    if (nullptr != (pTemp = pNode->GetSubNode(0)))
+    {
+        pS->WriteUChar( LINE ); //line
+        HandleNodes(pTemp,nLevel+1);
+        pS->WriteUChar( END ); //options
+    }
+
+    if (nullptr != (pTemp = pNode->GetSubNode(2)))
+    {
+        pS->WriteUChar( LINE ); //line
+        HandleNodes(pTemp,nLevel+1);
+        pS->WriteUChar( END ); //options
+    }
+    pS->WriteUChar( END );
+}
+
+void MathType::HandleOperator(SmNode *pNode,int nLevel)
+{
+    if (HandleLim(pNode,nLevel))
+        return;
+
+    sal_uInt64 nPos;
+    sal_uInt8 nVariation;
+
+    switch (pNode->GetToken().eType)
+    {
+        case TIINT:
+        case TIIINT:
+        case TLINT:
+        case TLLINT:
+        case TLLLINT:
+            nVariation=HandleCScript(pNode->GetSubNode(0),
+                pNode->GetSubNode(1),nLevel,&nPos,false);
+            break;
+        default:
+            nVariation=HandleCScript(pNode->GetSubNode(0),
+                pNode->GetSubNode(1),nLevel,&nPos);
+            break;
+    }
+
+    sal_uInt8 nOldVariation=nVariation;
+    sal_uInt8 nIntVariation=nVariation;
+
+    sal_uInt64 nPos2=0;
+    if (nVariation != 0xff)
+    {
+        nPos2 = pS->Tell();
+        pS->Seek(nPos);
+        if (nVariation == 2)
+        {
+            nIntVariation=0;
+            nVariation = 1;
+        }
+        else if (nVariation == 0)
+            nVariation = 1;
+        else if (nVariation == 1)
+            nVariation = 0;
+    }
+    else
+    {
+        nVariation = 2;
+        nIntVariation=0;
+    }
+    pS->WriteUChar( TMPL );
+    switch(pNode->GetToken().eType)
+    {
+    case TINT:
+    case TINTD:
+        if (nOldVariation != 0xff)
+            pS->WriteUChar( 0x18 ); //selector
+        else
+            pS->WriteUChar( 0x15 ); //selector
+        pS->WriteUChar( nIntVariation ); //variation
+        break;
+    case TIINT:
+        if (nOldVariation != 0xff)
+        {
+            pS->WriteUChar( 0x19 );
+            pS->WriteUChar( 0x01 );
+        }
+        else
+        {
+            pS->WriteUChar( 0x16 );
+            pS->WriteUChar( 0x00 );
+        }
+        break;
+    case TIIINT:
+        if (nOldVariation != 0xff)
+        {
+            pS->WriteUChar( 0x1a );
+            pS->WriteUChar( 0x01 );
+        }
+        else
+        {
+            pS->WriteUChar( 0x17 );
+            pS->WriteUChar( 0x00 );
+        }
+        break;
+    case TLINT:
+        if (nOldVariation != 0xff)
+        {
+            pS->WriteUChar( 0x18 );
+            pS->WriteUChar( 0x02 );
+        }
+        else
+        {
+            pS->WriteUChar( 0x15 );
+            pS->WriteUChar( 0x03 );
+        }
+        break;
+    case TLLINT:
+        if (nOldVariation != 0xff)
+        {
+            pS->WriteUChar( 0x19 );
+            pS->WriteUChar( 0x00 );
+        }
+        else
+        {
+            pS->WriteUChar( 0x16 );
+            pS->WriteUChar( 0x02 );
+        }
+        break;
+    case TLLLINT:
+        if (nOldVariation != 0xff)
+        {
+            pS->WriteUChar( 0x1a );
+            pS->WriteUChar( 0x00 );
+        }
+        else
+        {
+            pS->WriteUChar( 0x17 );
+            pS->WriteUChar( 0x02 );
+        }
+        break;
+    case TSUM:
+    default:
+        pS->WriteUChar( 0x1d );
+        pS->WriteUChar( nVariation );
+        break;
+    case TPROD:
+        pS->WriteUChar( 0x1f );
+        pS->WriteUChar( nVariation );
+        break;
+    case TCOPROD:
+        pS->WriteUChar( 0x21 );
+        pS->WriteUChar( nVariation );
+        break;
+    }
+    pS->WriteUChar( 0 ); //options
+
+    if (nPos2)
+        pS->Seek(nPos2);
+    else
+    {
+        pS->WriteUChar( LINE ); //line
+        HandleNodes(pNode->GetSubNode(1),nLevel+1);
+        pS->WriteUChar( END ); //line
+        pS->WriteUChar( LINE|0x10 );
+        pS->WriteUChar( LINE|0x10 );
+    }
+
+    pS->WriteUChar( 0x0D );
+    switch(pNode->GetToken().eType)
+    {
+    case TSUM:
+    default:
+        pS->WriteUChar( CHAR );
+        pS->WriteUChar( 0x86 );
+        pS->WriteUInt16( 0x2211 );
+        break;
+    case TPROD:
+        pS->WriteUChar( CHAR );
+        pS->WriteUChar( 0x86 );
+        pS->WriteUInt16( 0x220F );
+        break;
+    case TCOPROD:
+        pS->WriteUChar( CHAR );
+        pS->WriteUChar( 0x8B );
+        pS->WriteUInt16( 0x2210 );
+        break;
+    case TIIINT:
+    case TLLLINT:
+        pS->WriteUChar( CHAR );
+        pS->WriteUChar( 0x86 );
+        pS->WriteUInt16( 0x222B );
+        [[fallthrough]];
+    case TIINT:
+    case TLLINT:
+        pS->WriteUChar( CHAR );
+        pS->WriteUChar( 0x86 );
+        pS->WriteUInt16( 0x222B );
+        [[fallthrough]];
+    case TINT:
+    case TINTD:
+    case TLINT:
+        pS->WriteUChar( CHAR );
+        pS->WriteUChar( 0x86 );
+        pS->WriteUInt16( 0x222B );
+        break;
+    }
+    pS->WriteUChar( END );
+    pS->WriteUChar( 0x0A );
+}
+
+
+bool MathType::HandlePile(int &rSetAlign, int nLevel, sal_uInt8 nSelector, sal_uInt8 nVariation)
+{
+    sal_uInt8 nVAlign;
+    pS->ReadUChar( nHAlign );
+    pS->ReadUChar( nVAlign );
+
+    HandleAlign(nHAlign, rSetAlign);
+
+    rRet.append(" stack {\n");
+    bool bRet = HandleRecords( nLevel+1, nSelector, nVariation, -1, -1 );
+    int nRemoveFrom = rRet.getLength() >= 3 ? rRet.getLength() - 3 : 0;
+    rRet.remove(nRemoveFrom, 2);
+    rRet.append("} ");
+
+    while (rSetAlign)
+    {
+        rRet.append("} ");
+        rSetAlign--;
+    }
+    return bRet;
+}
+
+bool MathType::HandleMatrix(int nLevel, sal_uInt8 nSelector, sal_uInt8 nVariation)
+{
+    sal_uInt8 nH_just,nV_just,nRows,nCols,nVAlign;
+    pS->ReadUChar( nVAlign );
+    pS->ReadUChar( nH_just );
+    pS->ReadUChar( nV_just );
+    pS->ReadUChar( nRows );
+    pS->ReadUChar( nCols );
+    if (!pS->good())
+        return false;
+    int nBytes = ((nRows+1)*2)/8;
+    if (((nRows+1)*2)%8)
+        nBytes++;
+    pS->SeekRel(nBytes);
+    nBytes = ((nCols+1)*2)/8;
+    if (((nCols+1)*2)%8)
+        nBytes++;
+    pS->SeekRel(nBytes);
+    rRet.append(" matrix {\n");
+    bool bRet = HandleRecords( nLevel+1, nSelector, nVariation, nRows, nCols );
+
+    sal_Int32 nI = rRet.lastIndexOf('#');
+    if (nI > 0)
+        if (rRet[nI-1] != '#')  //missing column
+            rRet.append("{}");
+
+    rRet.append("\n} ");
+    return bRet;
+}
+
+bool MathType::HandleTemplate(int nLevel, sal_uInt8 &rSelector,
+    sal_uInt8 &rVariation, sal_Int32 &rLastTemplateBracket)
+{
+    sal_uInt8 nOption; //This appears utterly unused
+    pS->ReadUChar( rSelector );
+    pS->ReadUChar( rVariation );
+    pS->ReadUChar( nOption );
+    OSL_ENSURE(rSelector < 48,"Selector out of range");
+    if ((rSelector >= 21) && (rSelector <=26))
+    {
+        OSL_ENSURE(nOption < 2,"Option out of range");
+    }
+    else if (rSelector <= 12)
+    {
+        OSL_ENSURE(nOption < 3,"Option out of range");
+    }
+
+    //For the (broken) case where one subscript template ends, and there is
+    //another one after it, mathtype handles it as if the second one was
+    //inside the first one and renders it as sub of sub
+    bool bRemove=false;
+    if ( (rSelector == 0xf) && (rLastTemplateBracket != -1) )
+    {
+        bRemove=true;
+        for (sal_Int32 nI = rLastTemplateBracket+1; nI < rRet.getLength(); nI++ )
+            if (rRet[nI] != ' ')
+            {
+                bRemove=false;
+                break;
+            }
+    }
+
+    //suborderlist
+    bool bRet = HandleRecords( nLevel+1, rSelector, rVariation );
+
+    if (bRemove)
+    {
+        if (rLastTemplateBracket < rRet.getLength())
+            rRet.remove(rLastTemplateBracket, 1);
+        rRet.append("} ");
+        rLastTemplateBracket = -1;
+    }
+    if (rSelector == 0xf)
+        rLastTemplateBracket = rRet.lastIndexOf('}');
+    else
+        rLastTemplateBracket = -1;
+
+    rSelector = sal::static_int_cast< sal_uInt8 >(-1);
+    return bRet;
+}
+
+void MathType::HandleEmblishments()
+{
+    sal_uInt8 nEmbel;
+    do
+    {
+        pS->ReadUChar( nEmbel );
+        if (!pS->good())
+            break;
+        switch (nEmbel)
+        {
+        case 0x02:
+            rRet.append(" dot ");
+            break;
+        case 0x03:
+            rRet.append(" ddot ");
+            break;
+        case 0x04:
+            rRet.append(" dddot ");
+            break;
+        case 0x05:
+            if (!nPostSup)
+            {
+                sPost.append(" sup {}");
+                nPostSup = sPost.getLength();
+            }
+            sPost.insert(nPostSup-1," ' ");
+            nPostSup += 3;
+            break;
+        case 0x06:
+            if (!nPostSup)
+            {
+                sPost.append(" sup {}");
+                nPostSup = sPost.getLength();
+            }
+            sPost.insert(nPostSup-1," '' ");
+            nPostSup += 4;
+            break;
+        case 0x07:
+            if (!nPostlSup)
+            {
+                sPost.append(" lsup {}");
+                nPostlSup = sPost.getLength();
+            }
+            sPost.insert(nPostlSup-1," ' ");
+            nPostlSup += 3;
+            break;
+        case 0x08:
+            rRet.append(" tilde ");
+            break;
+        case 0x09:
+            rRet.append(" hat ");
+            break;
+        case 0x0b:
+            rRet.append(" vec ");
+            break;
+        case 0x10:
+            rRet.append(" overstrike ");
+            break;
+        case 0x11:
+            rRet.append(" bar ");
+            break;
+        case 0x12:
+            if (!nPostSup)
+            {
+                sPost.append(" sup {}");
+                nPostSup = sPost.getLength();
+            }
+            sPost.insert(nPostSup-1," ''' ");
+            nPostSup += 5;
+            break;
+        case 0x14:
+            rRet.append(" breve ");
+            break;
+        default:
+            OSL_ENSURE(nEmbel < 21,"Embel out of range");
+            break;
+        }
+        if (nVersion < 3)
+            break;
+    }while (nEmbel);
+}
+
+void MathType::HandleSetSize()
+{
+    sal_uInt8 nTemp(0);
+    pS->ReadUChar(nTemp);
+    switch (nTemp)
+    {
+        case 101:
+            pS->ReadInt16( nLSize );
+            nLSize = -nLSize;
+            break;
+        case 100:
+            pS->ReadUChar( nTemp );
+            nLSize = nTemp;
+            pS->ReadInt16( nDSize );
+            break;
+        default:
+            nLSize = nTemp;
+            pS->ReadUChar( nTemp );
+            nDSize = nTemp-128;
+            break;
+    }
+}
+
+bool MathType::HandleChar(sal_Int32 &rTextStart, int &rSetSize, int nLevel,
+    sal_uInt8 nTag, sal_uInt8 nSelector, sal_uInt8 nVariation, bool bSilent)
+{
+    sal_Unicode nChar(0);
+    bool bRet = true;
+
+    if (xfAUTO(nTag))
+    {
+    //This is a candidate for function recognition, whatever
+    //that is!
+    }
+
+    sal_uInt8 nOldTypeFace = nTypeFace;
+    pS->ReadUChar( nTypeFace );
+    if (nVersion < 3)
+    {
+        sal_uInt8 nChar8(0);
+        pS->ReadUChar( nChar8 );
+        nChar = nChar8;
+    }
+    else
+        pS->ReadUtf16( nChar );
+
+    /*
+    bad character, old mathtype < 3 has these
+    */
+    if (nChar < 0x20)
+        return bRet;
+
+    if (xfEMBELL(nTag))
+    {
+        //A bit tricky, the character emblishments for
+        //mathtype can all be listed after each other, in
+        //starmath some must go before the character and some
+        //must go after. In addition some of the emblishments
+        //may repeated and in starmath some of these groups
+        //must be gathered together. sPost is the portion that
+        //follows the char and nPostSup and nPostlSup are the
+        //indexes at which this class of emblishment is
+        //collated together
+        sPost = "";
+        nPostSup = nPostlSup = 0;
+        int nOriglen=rRet.getLength()-rTextStart;
+        rRet.append(" {");  // #i24340# make what would be "vec {A}_n" become "{vec {A}}_n"
+        if ((!bSilent) && (nOriglen > 1))
+            rRet.append("\"");
+        bRet = HandleRecords( nLevel+1, nSelector, nVariation );
+        if (!bSilent)
+        {
+            if (nOriglen > 1)
+            {
+                OUString aStr;
+                TypeFaceToString(aStr,nOldTypeFace);
+                rRet.insert(std::min(rTextStart, rRet.getLength()), aStr + "\"");
+
+                aStr.clear();
+                TypeFaceToString(aStr,nTypeFace);
+                rRet.append(aStr + "{");
+            }
+            else
+                rRet.append(" {");
+            rTextStart = rRet.getLength();
+        }
+    }
+
+    if (!bSilent)
+    {
+        sal_Int32 nOldLen = rRet.getLength();
+        if (
+            HandleSize(nLSize,nDSize,rSetSize) ||
+            (nOldTypeFace != nTypeFace)
+           )
+        {
+            if ((nOldLen - rTextStart) > 1)
+            {
+                rRet.insert(nOldLen, "\"");
+                OUString aStr;
+                TypeFaceToString(aStr,nOldTypeFace);
+                rRet.insert(rTextStart, aStr + "\"");
+            }
+            rTextStart = rRet.getLength();
+        }
+        nOldLen = rRet.getLength();
+        if (!LookupChar(nChar,rRet,nVersion,nTypeFace))
+        {
+            if (nOldLen - rTextStart > 1)
+            {
+                rRet.insert(nOldLen, "\"");
+                OUString aStr;
+                TypeFaceToString(aStr,nOldTypeFace);
+                rRet.insert(rTextStart, aStr + "\"");
+            }
+            rTextStart = rRet.getLength();
+        }
+        lcl_PrependDummyTerm(rRet, rTextStart);
+    }
+
+    if ((xfEMBELL(nTag)) && (!bSilent))
+    {
+        rRet.append("}}" + sPost);  // #i24340# make what would be "vec {A}_n" become "{vec {A}}_n"
+        rTextStart = rRet.getLength();
+    }
+    return bRet;
+}
+
+bool MathType::HandleLim(SmNode *pNode,int nLevel)
+{
+    bool bRet=false;
+    //Special case for the "lim" option in StarMath
+    if ((pNode->GetToken().eType == TLIM)
+        || (pNode->GetToken().eType == TLIMSUP)
+        || (pNode->GetToken().eType == TLIMINF)
+        )
+    {
+        if (pNode->GetSubNode(1))
+        {
+            sal_uInt8 nVariation2=HandleCScript(pNode->GetSubNode(0),nullptr,
+                nLevel);
+
+            pS->WriteUChar( 0x0A );
+            pS->WriteUChar( LINE ); //line
+            pS->WriteUChar( CHAR|0x10 );
+            pS->WriteUChar( 0x82 );
+            pS->WriteUInt16( 'l' );
+            pS->WriteUChar( CHAR|0x10 );
+            pS->WriteUChar( 0x82 );
+            pS->WriteUInt16( 'i' );
+            pS->WriteUChar( CHAR|0x10 );
+            pS->WriteUChar( 0x82 );
+            pS->WriteUInt16( 'm' );
+
+            if (pNode->GetToken().eType == TLIMSUP)
+            {
+                pS->WriteUChar( CHAR ); //some space
+                pS->WriteUChar( 0x98 );
+                pS->WriteUInt16( 0xEB04 );
+
+                pS->WriteUChar( CHAR|0x10 );
+                pS->WriteUChar( 0x82 );
+                pS->WriteUInt16( 's' );
+                pS->WriteUChar( CHAR|0x10 );
+                pS->WriteUChar( 0x82 );
+                pS->WriteUInt16( 'u' );
+                pS->WriteUChar( CHAR|0x10 );
+                pS->WriteUChar( 0x82 );
+                pS->WriteUInt16( 'p' );
+            }
+            else if (pNode->GetToken().eType == TLIMINF)
+            {
+                pS->WriteUChar( CHAR ); //some space
+                pS->WriteUChar( 0x98 );
+                pS->WriteUInt16( 0xEB04 );
+
+                pS->WriteUChar( CHAR|0x10 );
+                pS->WriteUChar( 0x82 );
+                pS->WriteUInt16( 'i' );
+                pS->WriteUChar( CHAR|0x10 );
+                pS->WriteUChar( 0x82 );
+                pS->WriteUInt16( 'n' );
+                pS->WriteUChar( CHAR|0x10 );
+                pS->WriteUChar( 0x82 );
+                pS->WriteUInt16( 'f' );
+            }
+
+
+            pS->WriteUChar( CHAR ); //some space
+            pS->WriteUChar( 0x98 );
+            pS->WriteUInt16( 0xEB04 );
+
+            if (nVariation2 != 0xff)
+            {
+                pS->WriteUChar( END );
+                pS->WriteUChar( END );
+            }
+            HandleNodes(pNode->GetSubNode(1),nLevel+1);
+            bRet = true;
+        }
+    }
+    return bRet;
+}
+
+void MathType::HandleMAlign(SmNode *pNode,int nLevel)
+{
+    sal_uInt8 nPushedHAlign=nHAlign;
+    switch(pNode->GetToken().eType)
+    {
+        case TALIGNC:
+            nHAlign=2;
+            break;
+        case TALIGNR:
+            nHAlign=3;
+            break;
+        default:
+            nHAlign=1;
+            break;
+    }
+    size_t nSize = pNode->GetNumSubNodes();
+    for (size_t i = 0; i < nSize; ++i)
+    {
+        if (SmNode *pTemp = pNode->GetSubNode(i))
+            HandleNodes(pTemp,nLevel+1);
+    }
+    nHAlign=nPushedHAlign;
+}
+
+void MathType::HandleMath(SmNode *pNode)
+{
+    if (pNode->GetToken().eType == TMLINE)
+    {
+        pS->WriteUChar( END );
+        pS->WriteUChar( LINE );
+        bIsReInterpBrace=true;
+        return;
+    }
+    SmMathSymbolNode *pTemp = static_cast<SmMathSymbolNode *>(pNode);
+    for(sal_Int32 i=0;i<pTemp->GetText().getLength();i++)
+    {
+        sal_Unicode nArse = SmTextNode::ConvertSymbolToUnicode(pTemp->GetText()[i]);
+        if ((nArse == 0x2224) || (nArse == 0x2288) || (nArse == 0x2285) ||
+            (nArse == 0x2289))
+        {
+            pS->WriteUChar( CHAR|0x20 );
+        }
+        else if (nPendingAttributes &&
+                (i == ((pTemp->GetText().getLength()+1)/2)-1))
+            {
+                pS->WriteUChar( 0x22 );
+            }
+        else
+            pS->WriteUChar( CHAR ); //char without formula recognition
+        //The typeface seems to be MTEXTRA for unicode characters,
+        //though how to determine when mathtype chooses one over
+        //the other is unknown. This should do the trick
+        //nevertheless.
+        sal_uInt8 nBias;
+        if ( (nArse == 0x2213) || (nArse == 0x2218) ||
+            (nArse == 0x210F) || (
+                (nArse >= 0x22EE) && (nArse <= 0x22FF)
+            ))
+        {
+            nBias = 0xB; //typeface
+        }
+        else if ((nArse == 0x2F) || (nArse == 0x2225))
+            nBias = 0x2; //typeface
+        else if ((nArse > 0x2000) || (nArse == 0x00D7))
+            nBias = 0x6; //typeface
+        else if (nArse == 0x3d1)
+            nBias = 0x4;
+        else if ((nArse > 0xFF) && ((nArse < 0x393) || (nArse > 0x3c9)))
+            nBias = 0xB; //typeface
+        else
+            nBias = 0x3; //typeface
+
+        pS->WriteUChar( nSpec+nBias+128 ); //typeface
+
+        if (nArse == 0x2224)
+        {
+            pS->WriteUInt16( 0x7C );
+            pS->WriteUChar( EMBEL );
+            pS->WriteUChar( 0x0A );
+            pS->WriteUChar( END ); //end embel
+            pS->WriteUChar( END ); //end embel
+        }
+        else if (nArse == 0x2225)
+            pS->WriteUInt16( 0xEC09 );
+        else if (nArse == 0xE421)
+            pS->WriteUInt16( 0x2265 );
+        else if (nArse == 0x230A)
+            pS->WriteUInt16( 0xF8F0 );
+        else if (nArse == 0x230B)
+            pS->WriteUInt16( 0xF8FB );
+        else if (nArse == 0xE425)
+            pS->WriteUInt16( 0x2264 );
+        else if (nArse == 0x226A)
+        {
+            pS->WriteUInt16( 0x3C );
+            pS->WriteUChar( CHAR );
+            pS->WriteUChar( 0x98 );
+            pS->WriteUInt16( 0xEB01 );
+            pS->WriteUChar( CHAR );
+            pS->WriteUChar( 0x86 );
+            pS->WriteUInt16( 0x3c );
+        }
+        else if (nArse == 0x2288)
+        {
+            pS->WriteUInt16( 0x2286 );
+            pS->WriteUChar( EMBEL );
+            pS->WriteUChar( 0x0A );
+            pS->WriteUChar( END ); //end embel
+            pS->WriteUChar( END ); //end embel
+        }
+        else if (nArse == 0x2289)
+        {
+            pS->WriteUInt16( 0x2287 );
+            pS->WriteUChar( EMBEL );
+            pS->WriteUChar( 0x0A );
+            pS->WriteUChar( END ); //end embel
+            pS->WriteUChar( END ); //end embel
+        }
+        else if (nArse == 0x2285)
+        {
+            pS->WriteUInt16( 0x2283 );
+            pS->WriteUChar( EMBEL );
+            pS->WriteUChar( 0x0A );
+            pS->WriteUChar( END ); //end embel
+            pS->WriteUChar( END ); //end embel
+        }
+        else
+            pS->WriteUInt16( nArse );
+    }
+    nPendingAttributes = 0;
+}
+
+void MathType::HandleAttributes(SmNode *pNode,int nLevel)
+{
+    int nOldPending = 0;
+    SmNode *pTemp       = nullptr;
+    SmTextNode *pIsText = nullptr;
+
+    if (nullptr != (pTemp = pNode->GetSubNode(0)))
+    {
+        pIsText = static_cast<SmTextNode *>(pNode->GetSubNode(1));
+
+        switch (pTemp->GetToken().eType)
+        {
+        case TWIDEVEC:
+            //there's just no way we can now handle any character
+            //attributes (from mathtypes perspective) centered
+            //over an expression but above template attributes
+            //such as widevec and similar constructs
+            //we have to drop them
+            nOldPending = StartTemplate(0x2f,0x01);
+            break;
+        case TCHECK: //Not Exportable
+        case TACUTE: //Not Exportable
+        case TGRAVE: //Not Exportable
+        case TCIRCLE: //Not Exportable
+        case TWIDEHARPOON: //Not Exportable
+        case TWIDETILDE: //Not Exportable
+        case TWIDEHAT: //Not Exportable
+            break;
+        case TUNDERLINE:
+            nOldPending = StartTemplate(0x10);
+            break;
+        case TOVERLINE: //If the next node is not text
+                        //or text with more than one char
+            if (!pIsText ||
+                pIsText->GetToken().eType != TTEXT ||
+                pIsText->GetText().getLength() > 1)
+                nOldPending = StartTemplate(0x11);
+            break;
+        default:
+            nPendingAttributes++;
+            break;
+        }
+    }
+
+    if (pIsText)
+        HandleNodes(pIsText,nLevel+1);
+
+    if (pTemp)
+    {
+        switch (pTemp->GetToken().eType)
+        {
+            case TWIDEVEC:
+            case TUNDERLINE:
+                EndTemplate(nOldPending);
+                break;
+            case TOVERLINE:
+                if (!pIsText ||
+                    pIsText->GetToken().eType != TTEXT ||
+                    pIsText->GetText().getLength() > 1)
+                    EndTemplate(nOldPending);
+                break;
+            default:
+                break;
+        }
+    }
+
+    //if there was no suitable place to put the attribute,
+    //then we have to just give up on it
+    if (nPendingAttributes)
+        nPendingAttributes--;
+    else
+    {
+        if ((nInsertion != 0) && nullptr != (pTemp = pNode->GetSubNode(0)))
+        {
+            auto nPos = pS->Tell();
+            nInsertion--;
+            pS->Seek(nInsertion);
+            switch(pTemp->GetToken().eType)
+            {
+            case TACUTE: //Not Exportable
+            case TGRAVE: //Not Exportable
+            case TCIRCLE: //Not Exportable
+                break;
+            case TCDOT:
+                pS->WriteUChar( 2 );
+                break;
+            case TDDOT:
+                pS->WriteUChar( 3 );
+                break;
+            case TDDDOT:
+                pS->WriteUChar( 4 );
+                break;
+            case TTILDE:
+                pS->WriteUChar( 8 );
+                break;
+            case THAT:
+                pS->WriteUChar( 9 );
+                break;
+            case TVEC:
+                pS->WriteUChar( 11 );
+                break;
+            case TOVERSTRIKE:
+                pS->WriteUChar( 16 );
+                break;
+            case TOVERLINE:
+                if (pIsText &&
+                    (pIsText->GetToken().eType == TTEXT &&
+                     pIsText->GetText().getLength() == 1))
+                    pS->WriteUChar( 17 );
+                break;
+            case TBREVE:
+                pS->WriteUChar( 20 );
+                break;
+            case TWIDEVEC:
+            case TWIDEHARPOON:
+            case TUNDERLINE:
+            case TWIDETILDE:
+            case TWIDEHAT:
+                break;
+            case TBAR:
+                pS->WriteUChar( 17 );
+                break;
+            default:
+                pS->WriteUChar( 2 );
+                break;
+            }
+            pS->Seek(nPos);
+        }
+    }
+}
+
+void MathType::HandleText(SmNode *pNode)
+{
+    SmTextNode *pTemp = static_cast<SmTextNode *>(pNode);
+    for(sal_Int32 i=0;i<pTemp->GetText().getLength();i++)
+    {
+        if (nPendingAttributes &&
+            (i == ((pTemp->GetText().getLength()+1)/2)-1))
+        {
+            pS->WriteUChar( 0x22 );     //char, with attributes right
+                                //after the character
+        }
+        else
+            pS->WriteUChar( CHAR );
+
+        sal_uInt8 nFace = 0x1;
+        if (pNode->GetFont().GetItalic() == ITALIC_NORMAL)
+            nFace = 0x3;
+        else if (pNode->GetFont().GetWeight() == WEIGHT_BOLD)
+            nFace = 0x7;
+        pS->WriteUChar( nFace+128 ); //typeface
+        sal_uInt16 nChar = pTemp->GetText()[i];
+        pS->WriteUInt16( SmTextNode::ConvertSymbolToUnicode(nChar) );
+
+        //Mathtype can only have these sort of character
+        //attributes on a single character, starmath can put them
+        //anywhere, when the entity involved is a text run this is
+        //a large effort to place the character attribute on the
+        //central mathtype character so that it does pretty much
+        //what the user probably has in mind. The attributes
+        //filled in here are dummy ones which are replaced in the
+        //ATTRIBUTE handler if a suitable location for the
+        //attributes was found here. Unfortunately it is
+        //possible for starmath to place character attributes on
+        //entities which cannot occur in mathtype e.g. a Summation
+        //symbol so these attributes may be lost
+        if (nPendingAttributes &&
+            (i == ((pTemp->GetText().getLength()+1)/2)-1))
+        {
+            pS->WriteUChar( EMBEL );
+            while (nPendingAttributes)
+            {
+                pS->WriteUChar( 2 );
+                //wedge the attributes in here and clear
+                //the pending stack
+                nPendingAttributes--;
+            }
+            nInsertion=pS->Tell();
+            pS->WriteUChar( END ); //end embel
+            pS->WriteUChar( END ); //end embel
+        }
+    }
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT bool TestImportMathType(SvStream &rStream)
+{
+    OUStringBuffer sText;
+    MathType aEquation(sText);
+    bool bRet = false;
+    try
+    {
+        bRet = aEquation.Parse(&rStream);
+    }
+    catch (const std::out_of_range&)
+    {
+    }
+    return bRet;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/mathtype.hxx b/starmath/source/mathtype.hxx
new file mode 100644
index 0000000000..cd06cfcddf
--- /dev/null
+++ b/starmath/source/mathtype.hxx
@@ -0,0 +1,184 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <node.hxx>
+
+#include <o3tl/sorted_vector.hxx>
+
+class SfxMedium;
+class SotStorage;
+class SvStream;
+
+class MathTypeFont
+{
+public:
+    sal_uInt8 nTface;
+    sal_uInt8 nStyle;
+    MathTypeFont() : nTface(0),nStyle(0) {}
+    explicit MathTypeFont(sal_uInt8 nFace) : nTface(nFace),nStyle(0) {}
+    void AppendStyleToText(OUString &rS);
+};
+
+struct LessMathTypeFont
+{
+    bool operator() (const MathTypeFont &rValue1,
+        const MathTypeFont &rValue2) const
+    {
+        return rValue1.nTface < rValue2.nTface;
+    }
+};
+
+typedef o3tl::sorted_vector< MathTypeFont, LessMathTypeFont > MathTypeFontSet;
+
+class MathType
+{
+public:
+    explicit MathType(OUStringBuffer &rIn)
+        : nVersion(0)
+        , pS(nullptr)
+        , rRet(rIn)
+        , pTree(nullptr)
+        , nHAlign(0)
+        , nPendingAttributes(0)
+        , nInsertion(0)
+        , nLSize(0)
+        , nDSize(0)
+        , nCurSize(0)
+        , nLastSize(0)
+        , nSpec(0)
+        , bIsReInterpBrace(false)
+        , nPostSup(0)
+        , nPostlSup(0)
+        , nTypeFace(0)
+    {
+        Init();
+    }
+
+    MathType(OUStringBuffer &rIn,SmNode *pIn)
+        : nVersion(0)
+        , pS(nullptr)
+        , rRet(rIn)
+        , pTree(pIn)
+        , nHAlign(2)
+        , nPendingAttributes(0)
+        , nInsertion(0)
+        , nLSize(0)
+        , nDSize(0)
+        , nCurSize(0)
+        , nLastSize(0)
+        , nSpec(0)
+        , bIsReInterpBrace(false)
+        , nPostSup(0)
+        , nPostlSup(0)
+        , nTypeFace(0)
+    {
+        Init();
+    }
+
+    bool Parse(SotStorage* pStor);
+    bool Parse(SvStream* pStream);
+    bool ConvertFromStarMath( SfxMedium& rMedium );
+
+private:
+/*Ver 2 Header*/
+    sal_uInt8 nVersion;
+
+    SvStream* pS;
+
+    void Init();
+
+    bool HandleRecords(int nLevel, sal_uInt8 nSelector =0xFF,
+        sal_uInt8 nVariation =0xFF, int nRows =0, int nCols =0);
+    bool HandleSize(sal_Int16 nLSize, sal_Int16 nDSize, int &rSetSize);
+    void HandleAlign(sal_uInt8 nHAlign, int &rSetAlign);
+    bool HandlePile(int &rSetAlign, int nLevel, sal_uInt8 nSelector, sal_uInt8 nVariation);
+    bool HandleMatrix(int nLevel, sal_uInt8 nSelector, sal_uInt8 nVariarion);
+    void HandleMatrixSeparator(int nMatrixRows, int nMatrixCols, int &rCurCol, int &rCurRow);
+    bool HandleTemplate(int nLevel, sal_uInt8 &rSelector, sal_uInt8 &rVariation,
+        sal_Int32 &rLastTemplateBracket);
+    void HandleEmblishments();
+    void HandleSetSize();
+    bool HandleChar(sal_Int32 &rTextStart, int &rSetSize, int nLevel,
+        sal_uInt8 nTag, sal_uInt8 nSelector, sal_uInt8 nVariation, bool bSilent);
+    void HandleNudge();
+
+    static int xfLMOVE(sal_uInt8 nTest) {return nTest&0x80;}
+    static int xfAUTO(sal_uInt8 nTest) {return nTest&0x10;}
+    static int xfEMBELL(sal_uInt8 nTest) {return nTest&0x20;}
+    static int xfNULL(sal_uInt8 nTest) {return nTest&0x10;}
+
+    void HandleNodes(SmNode *pNode,int nLevel);
+    int StartTemplate(sal_uInt16 nSelector,sal_uInt16 nVariation=0);
+    void EndTemplate(int nOldPendingAttributes);
+    void HandleSmMatrix(SmMatrixNode *pMatrix,int nLevel);
+    void HandleTable(SmNode *pNode,int nLevel);
+    void HandleRoot(SmNode *pNode,int nLevel);
+    void HandleSubSupScript(SmNode *pNode,int nLevel);
+    sal_uInt8 HandleCScript(SmNode *pNode,SmNode *pContent,int nLevel,
+        sal_uInt64 *pPos=nullptr,bool bTest=true);
+    void HandleFractions(SmNode *pNode,int nLevel);
+    void HandleBrace(SmNode *pNode,int nLevel);
+    void HandleVerticalBrace(SmNode *pNode,int nLevel);
+    void HandleOperator(SmNode *pNode,int nLevel);
+    bool HandleLim(SmNode *pNode,int nLevel);
+    void HandleMAlign(SmNode *pNode,int nLevel);
+    void HandleMath(SmNode *pNode);
+    void HandleText(SmNode *pNode);
+    void HandleAttributes(SmNode *pNode,int nLevel);
+    void TypeFaceToString(OUString &rRet,sal_uInt8 nFace);
+
+    OUStringBuffer &rRet;
+    SmNode *pTree;
+
+    sal_uInt8 nHAlign;
+
+    int nPendingAttributes;
+    sal_uInt64 nInsertion;
+
+    sal_Int16 nLSize;
+    sal_Int16 nDSize;
+    sal_Int16 nCurSize;
+    sal_Int16 nLastSize;
+    sal_uInt8 nSpec;
+    bool  bIsReInterpBrace;
+    OUStringBuffer sPost;
+    sal_Int32 nPostSup;
+    sal_Int32 nPostlSup;
+    sal_uInt8 nTypeFace;
+    MathTypeFontSet aUserStyles;
+
+    enum MTOKENS {END,LINE,CHAR,TMPL,PILE,MATRIX,EMBEL,RULER,FONT,SIZE};
+    enum MTEMPLATES
+    {
+        tmANGLE,tmPAREN,tmBRACE,tmBRACK,tmBAR,tmDBAR,tmFLOOR,tmCEILING,
+        tmLBLB,tmRBRB,tmRBLB,tmLBRP,tmLPRB,tmROOT,tmFRACT,tmSCRIPT,tmUBAR,
+        tmOBAR,tmLARROW,tmRARROW,tmBARROW,tmSINT,tmDINT,tmTINT,tmSSINT,
+        tmDSINT,tmTSINT,tmUHBRACE,tmLHBRACE,tmSUM,tmISUM,tmPROD,tmIPROD,
+        tmCOPROD,tmICOPROD,tmUNION,tmIUNION,tmINTER,tmIINTER,tmLIM,tmLDIV,
+        tmSLFRACT,tmINTOP,tmSUMOP,tmLSCRIPT,tmDIRAC,tmUARROW,tmOARROW,
+        tmOARC
+    };
+public:
+    static bool LookupChar(sal_Unicode nChar,OUStringBuffer &rRet,
+        sal_uInt8 nVersion,sal_uInt8 nTypeFace=0);
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/node.cxx b/starmath/source/node.cxx
new file mode 100644
index 0000000000..778baaa74d
--- /dev/null
+++ b/starmath/source/node.cxx
@@ -0,0 +1,2491 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <symbol.hxx>
+#include <smmod.hxx>
+#include "tmpdevice.hxx"
+#include <utility>
+#include <visitors.hxx>
+#include <tools/UnitConversion.hxx>
+#include <vcl/metric.hxx>
+#include <o3tl/safeint.hxx>
+#include <osl/diagnose.h>
+#include <basegfx/numeric/ftools.hxx>
+#include <unicode/uchar.h>
+#include <unicode/uscript.h>
+
+namespace {
+
+template<typename F>
+void ForEachNonNull(SmNode *pNode, F && f)
+{
+    size_t nSize = pNode->GetNumSubNodes();
+    for (size_t i = 0; i < nSize; ++i)
+    {
+        SmNode *pSubNode = pNode->GetSubNode(i);
+        if (pSubNode != nullptr)
+            f(pSubNode);
+    }
+}
+
+}
+
+SmNode::SmNode(SmNodeType eNodeType, SmToken aNodeToken)
+    : maNodeToken(std::move( aNodeToken ))
+    , meType( eNodeType )
+    , meScaleMode( SmScaleMode::None )
+    , meRectHorAlign( RectHorAlign::Left )
+    , mnFlags( FontChangeMask::None )
+    , mnAttributes( FontAttribute::None )
+    , mbIsPhantom( false )
+    , mbIsSelected( false )
+    , mnAccIndex( -1 )
+    , mpParentNode( nullptr )
+{
+}
+
+SmNode::~SmNode()
+{
+}
+
+const SmNode * SmNode::GetLeftMost() const
+    //  returns leftmost node of current subtree.
+    //! (this assumes the one with index 0 is always the leftmost subnode
+    //! for the current node).
+{
+    const SmNode *pNode = GetNumSubNodes() > 0 ?
+                        GetSubNode(0) : nullptr;
+
+    return pNode ? pNode->GetLeftMost() : this;
+}
+
+
+void SmNode::SetPhantom(bool bIsPhantomP)
+{
+    if (! (Flags() & FontChangeMask::Phantom))
+        mbIsPhantom = bIsPhantomP;
+
+    bool b = mbIsPhantom;
+    ForEachNonNull(this, [b](SmNode *pNode){pNode->SetPhantom(b);});
+}
+
+
+void SmNode::SetColor(const Color& rColor)
+{
+    if (! (Flags() & FontChangeMask::Color))
+        GetFont().SetColor(rColor);
+
+    ForEachNonNull(this, [&rColor](SmNode *pNode){pNode->SetColor(rColor);});
+}
+
+
+void SmNode::SetAttribute(FontAttribute nAttrib)
+{
+    if (
+        (nAttrib == FontAttribute::Bold && !(Flags() & FontChangeMask::Bold)) ||
+        (nAttrib == FontAttribute::Italic && !(Flags() & FontChangeMask::Italic))
+       )
+    {
+        mnAttributes |= nAttrib;
+    }
+
+    ForEachNonNull(this, [nAttrib](SmNode *pNode){pNode->SetAttribute(nAttrib);});
+}
+
+
+void SmNode::ClearAttribute(FontAttribute nAttrib)
+{
+    if (
+        (nAttrib == FontAttribute::Bold && !(Flags() & FontChangeMask::Bold)) ||
+        (nAttrib == FontAttribute::Italic && !(Flags() & FontChangeMask::Italic))
+       )
+    {
+        mnAttributes &= ~nAttrib;
+    }
+
+    ForEachNonNull(this, [nAttrib](SmNode *pNode){pNode->ClearAttribute(nAttrib);});
+}
+
+
+void SmNode::SetFont(const SmFace &rFace)
+{
+    if (!(Flags() & FontChangeMask::Face))
+        GetFont() = rFace;
+    ForEachNonNull(this, [&rFace](SmNode *pNode){pNode->SetFont(rFace);});
+}
+
+
+void SmNode::SetFontSize(const Fraction &rSize, FontSizeType nType)
+    //! 'rSize' is in units of pts
+{
+    Size  aFntSize;
+
+    if (!(Flags() & FontChangeMask::Size))
+    {
+        Fraction aVal(conversionFract(o3tl::Length::pt, SmO3tlLengthUnit()) * rSize);
+        tools::Long      nHeight = static_cast<tools::Long>(aVal);
+
+        aFntSize = GetFont().GetFontSize();
+        aFntSize.setWidth( 0 );
+        switch(nType)
+        {
+            case FontSizeType::ABSOLUT:
+                aFntSize.setHeight( nHeight );
+                break;
+
+            case FontSizeType::PLUS:
+                aFntSize.AdjustHeight(nHeight );
+                break;
+
+            case FontSizeType::MINUS:
+                aFntSize.AdjustHeight( -nHeight );
+                break;
+
+            case FontSizeType::MULTIPLY:
+                aFntSize.setHeight( static_cast<tools::Long>(Fraction(aFntSize.Height()) * rSize) );
+                break;
+
+            case FontSizeType::DIVIDE:
+                if (rSize != Fraction(0))
+                    aFntSize.setHeight( static_cast<tools::Long>(Fraction(aFntSize.Height()) / rSize) );
+                break;
+            default:
+                break;
+        }
+
+        // check the requested size against maximum value
+        const int nMaxVal = o3tl::convert(128, o3tl::Length::pt, SmO3tlLengthUnit());
+        if (aFntSize.Height() > nMaxVal)
+            aFntSize.setHeight( nMaxVal );
+
+        GetFont().SetSize(aFntSize);
+    }
+
+    ForEachNonNull(this, [&rSize, &nType](SmNode *pNode){pNode->SetFontSize(rSize, nType);});
+}
+
+
+void SmNode::SetSize(const Fraction &rSize)
+{
+    GetFont() *= rSize;
+
+    ForEachNonNull(this, [&rSize](SmNode *pNode){pNode->SetSize(rSize);});
+}
+
+
+void SmNode::SetRectHorAlign(RectHorAlign eHorAlign, bool bApplyToSubTree )
+{
+    meRectHorAlign = eHorAlign;
+
+    if (bApplyToSubTree)
+        ForEachNonNull(this, [eHorAlign](SmNode *pNode){pNode->SetRectHorAlign(eHorAlign);});
+}
+
+
+void SmNode::PrepareAttributes()
+{
+    GetFont().SetWeight((Attributes() & FontAttribute::Bold)   ? WEIGHT_BOLD   : WEIGHT_NORMAL);
+    GetFont().SetItalic((Attributes() & FontAttribute::Italic) ? ITALIC_NORMAL : ITALIC_NONE);
+}
+
+
+void SmNode::Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell, int nDepth)
+{
+    if (nDepth > 1024)
+        throw std::range_error("parser depth limit");
+
+    mbIsPhantom  = false;
+    mnFlags      = FontChangeMask::None;
+    mnAttributes = FontAttribute::None;
+
+    switch (rFormat.GetHorAlign())
+    {   case SmHorAlign::Left:     meRectHorAlign = RectHorAlign::Left;   break;
+        case SmHorAlign::Center:   meRectHorAlign = RectHorAlign::Center; break;
+        case SmHorAlign::Right:    meRectHorAlign = RectHorAlign::Right;  break;
+    }
+
+    GetFont() = rFormat.GetFont(FNT_MATH);
+    OSL_ENSURE( GetFont().GetCharSet() == RTL_TEXTENCODING_UNICODE,
+            "unexpected CharSet" );
+    GetFont().SetWeight(WEIGHT_NORMAL);
+    GetFont().SetItalic(ITALIC_NONE);
+
+    ForEachNonNull(this, [&rFormat, &rDocShell, nDepth](SmNode *pNode){pNode->Prepare(rFormat, rDocShell, nDepth + 1);});
+}
+
+void SmNode::Move(const Point& rVector)
+{
+    if (rVector.X() == 0  &&  rVector.Y() == 0)
+        return;
+
+    SmRect::Move(rVector);
+
+    ForEachNonNull(this, [&rVector](SmNode *pNode){pNode->Move(rVector);});
+}
+
+void SmNode::AdaptToX(OutputDevice &/*rDev*/, sal_uLong /*nWidth*/)
+{
+}
+
+
+void SmNode::AdaptToY(OutputDevice &/*rDev*/, sal_uLong /*nHeight*/)
+{
+}
+
+
+const SmNode * SmNode::FindTokenAt(sal_uInt16 nRow, sal_uInt16 nCol) const
+    // returns (first) ** visible ** (sub)node with the tokens text at
+    // position 'nRow', 'nCol'.
+    //! (there should be exactly one such node if any)
+{
+    if (    IsVisible()
+        &&  nRow == GetSelection().nStartPara
+        &&  nCol >= GetSelection().nStartPos  &&  nCol <= GetSelection().nEndPos )
+        return this;
+    else
+    {
+        size_t nNumSubNodes = GetNumSubNodes();
+        for (size_t i = 0;  i < nNumSubNodes; ++i)
+        {
+            const SmNode *pNode = GetSubNode(i);
+
+            if (!pNode)
+                continue;
+
+            const SmNode *pResult = pNode->FindTokenAt(nRow, nCol);
+            if (pResult)
+                return pResult;
+        }
+    }
+
+    return nullptr;
+}
+
+
+const SmNode * SmNode::FindRectClosestTo(const Point &rPoint) const
+{
+    tools::Long          nDist   = LONG_MAX;
+    const SmNode *pResult = nullptr;
+
+    if (IsVisible())
+        pResult = this;
+    else
+    {
+        size_t nNumSubNodes = GetNumSubNodes();
+        for (size_t i = 0;  i < nNumSubNodes; ++i)
+        {
+            const SmNode *pNode = GetSubNode(i);
+
+            if (!pNode)
+                continue;
+
+            const SmNode *pFound = pNode->FindRectClosestTo(rPoint);
+            if (pFound)
+            {
+                tools::Long nTmp = pFound->OrientedDist(rPoint);
+                if (nTmp < nDist)
+                {
+                    nDist   = nTmp;
+                    pResult = pFound;
+
+                    // quit immediately if 'rPoint' is inside the *should not
+                    // overlap with other rectangles* part.
+                    // This (partly) serves for getting the attributes in eg
+                    // "bar overstrike a".
+                    // ('nDist < 0' is used as *quick shot* to avoid evaluation of
+                    // the following expression, where the result is already determined)
+                    if (nDist < 0  &&  pFound->IsInsideRect(rPoint))
+                        break;
+                }
+            }
+        }
+    }
+
+    return pResult;
+}
+
+const SmNode * SmNode::FindNodeWithAccessibleIndex(sal_Int32 nAccIdx) const
+{
+    const SmNode *pResult = nullptr;
+
+    sal_Int32 nIdx = GetAccessibleIndex();
+    OUStringBuffer aTxt;
+    if (nIdx >= 0)
+        GetAccessibleText( aTxt );  // get text if used in following 'if' statement
+
+    if (nIdx >= 0
+        &&  nIdx <= nAccIdx  &&  nAccIdx < nIdx + aTxt.getLength())
+        pResult = this;
+    else
+    {
+        size_t nNumSubNodes = GetNumSubNodes();
+        for (size_t i = 0; i < nNumSubNodes; ++i)
+        {
+            const SmNode *pNode = GetSubNode(i);
+            if (!pNode)
+                continue;
+
+            pResult = pNode->FindNodeWithAccessibleIndex(nAccIdx);
+            if (pResult)
+                return pResult;
+        }
+    }
+
+    return pResult;
+}
+
+
+SmStructureNode::~SmStructureNode()
+{
+    ForEachNonNull(this, std::default_delete<SmNode>());
+}
+
+
+void SmStructureNode::ClearSubNodes()
+{
+    maSubNodes.clear();
+}
+
+void SmStructureNode::SetSubNodes(std::unique_ptr<SmNode> pFirst, std::unique_ptr<SmNode> pSecond, std::unique_ptr<SmNode> pThird)
+{
+    size_t nSize = pThird ? 3 : (pSecond ? 2 : (pFirst ? 1 : 0));
+    maSubNodes.resize( nSize );
+    if (pFirst)
+        maSubNodes[0] = pFirst.release();
+    if (pSecond)
+        maSubNodes[1] = pSecond.release();
+    if (pThird)
+        maSubNodes[2] = pThird.release();
+
+    ClaimPaternity();
+}
+
+void SmStructureNode::SetSubNodes(SmNode* pFirst, SmNode* pSecond, SmNode* pThird)
+{
+    size_t nSize = pThird ? 3 : (pSecond ? 2 : (pFirst ? 1 : 0));
+    maSubNodes.resize( nSize );
+    if (pFirst)
+        maSubNodes[0] = pFirst;
+    if (pSecond)
+        maSubNodes[1] = pSecond;
+    if (pThird)
+        maSubNodes[2] = pThird;
+
+    ClaimPaternity();
+}
+
+void SmStructureNode::SetSubNodesBinMo(std::unique_ptr<SmNode> pFirst, std::unique_ptr<SmNode> pSecond, std::unique_ptr<SmNode> pThird)
+{
+    if(GetType()==SmNodeType::BinDiagonal)
+    {
+        size_t nSize = pSecond ? 3 : (pThird ? 2 : (pFirst ? 1 : 0));
+        maSubNodes.resize( nSize );
+        if (pFirst)
+            maSubNodes[0] = pFirst.release();
+        if (pSecond)
+            maSubNodes[2] = pSecond.release();
+        if (pThird)
+            maSubNodes[1] = pThird.release();
+    }
+    else
+    {
+        size_t nSize = pThird ? 3 : (pSecond ? 2 : (pFirst ? 1 : 0));
+        maSubNodes.resize( nSize );
+        if (pFirst)
+            maSubNodes[0] = pFirst.release();
+        if (pSecond)
+            maSubNodes[1] = pSecond.release();
+        if (pThird)
+            maSubNodes[2] = pThird.release();
+    }
+    ClaimPaternity();
+}
+
+void SmStructureNode::SetSubNodes(SmNodeArray&& rNodeArray)
+{
+    maSubNodes = std::move(rNodeArray);
+    ClaimPaternity();
+}
+
+bool SmStructureNode::IsVisible() const
+{
+    return false;
+}
+
+size_t SmStructureNode::GetNumSubNodes() const
+{
+    return maSubNodes.size();
+}
+
+SmNode* SmStructureNode::GetSubNode(size_t nIndex)
+{
+    return maSubNodes[nIndex];
+}
+
+SmNode* SmStructureNode::GetSubNodeBinMo(size_t nIndex) const
+{
+    if(GetType()==SmNodeType::BinDiagonal)
+    {
+        if (nIndex==1)
+            nIndex = 2;
+        else if (nIndex==2)
+            nIndex = 1;
+    }
+    return maSubNodes[nIndex];
+}
+
+void SmStructureNode::GetAccessibleText( OUStringBuffer &rText ) const
+{
+    ForEachNonNull(const_cast<SmStructureNode *>(this),
+                   [&rText](SmNode *pNode)
+        {
+            if (pNode->IsVisible())
+                pNode->SetAccessibleIndex(rText.getLength());
+            pNode->GetAccessibleText( rText );
+        });
+}
+
+void SmStructureNode::ClaimPaternity()
+{
+    ForEachNonNull(this, [this](SmNode *pNode){pNode->SetParent(this);});
+}
+
+int SmStructureNode::IndexOfSubNode(SmNode const * pSubNode)
+{
+    size_t nSize = GetNumSubNodes();
+    for (size_t i = 0; i < nSize; i++)
+        if (pSubNode == GetSubNode(i))
+            return i;
+    return -1;
+}
+
+void SmStructureNode::SetSubNode(size_t nIndex, SmNode* pNode)
+{
+    size_t size = maSubNodes.size();
+    if (size <= nIndex)
+    {
+        //Resize subnodes array
+        maSubNodes.resize(nIndex + 1);
+        //Set new slots to NULL except at nIndex
+        for (size_t i = size; i < nIndex; i++)
+            maSubNodes[i] = nullptr;
+    }
+    maSubNodes[nIndex] = pNode;
+    if (pNode)
+        pNode->SetParent(this);
+}
+
+bool SmVisibleNode::IsVisible() const
+{
+    return true;
+}
+
+size_t SmVisibleNode::GetNumSubNodes() const
+{
+    return 0;
+}
+
+SmNode * SmVisibleNode::GetSubNode(size_t /*nIndex*/)
+{
+    return nullptr;
+}
+
+void SmGraphicNode::GetAccessibleText( OUStringBuffer &rText ) const
+{
+    rText.append(GetToken().aText);
+}
+
+void SmTableNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+    // arranges all subnodes in one column
+{
+    SmNode *pNode;
+    size_t nSize = GetNumSubNodes();
+
+    // make distance depend on font size
+    tools::Long  nDist = +(rFormat.GetDistance(DIS_VERTICAL)
+                    * GetFont().GetFontSize().Height()) / 100;
+
+    if (nSize < 1)
+        return;
+
+    // arrange subnodes and get maximum width of them
+    tools::Long  nMaxWidth = 0,
+          nTmp;
+    for (size_t i = 0; i < nSize; ++i)
+    {
+        if (nullptr != (pNode = GetSubNode(i)))
+        {   pNode->Arrange(rDev, rFormat);
+            if ((nTmp = pNode->GetItalicWidth()) > nMaxWidth)
+                nMaxWidth = nTmp;
+        }
+    }
+
+    Point  aPos;
+    SmRect::operator = (SmRect(nMaxWidth, 1));
+    for (size_t i = 0; i < nSize; ++i)
+    {
+        if (nullptr != (pNode = GetSubNode(i)))
+        {   const SmRect &rNodeRect = pNode->GetRect();
+            const SmNode *pCoNode   = pNode->GetLeftMost();
+            RectHorAlign  eHorAlign = pCoNode->GetRectHorAlign();
+
+            aPos = rNodeRect.AlignTo(*this, RectPos::Bottom,
+                        eHorAlign, RectVerAlign::Baseline);
+            if (i)
+                aPos.AdjustY(nDist );
+            pNode->MoveTo(aPos);
+            ExtendBy(rNodeRect, nSize > 1 ? RectCopyMBL::None : RectCopyMBL::Arg);
+        }
+    }
+    // #i972#
+    if (HasBaseline())
+        mnFormulaBaseline = GetBaseline();
+    else
+    {
+        SmTmpDevice aTmpDev (rDev, true);
+        aTmpDev.SetFont(GetFont());
+
+        SmRect aRect(aTmpDev, &rFormat, "a", GetFont().GetBorderWidth());
+        mnFormulaBaseline = GetAlignM();
+        // move from middle position by constant - distance
+        // between middle and baseline for single letter
+        mnFormulaBaseline += aRect.GetBaseline() - aRect.GetAlignM();
+    }
+}
+
+const SmNode * SmTableNode::GetLeftMost() const
+{
+    return this;
+}
+
+
+tools::Long SmTableNode::GetFormulaBaseline() const
+{
+    return mnFormulaBaseline;
+}
+
+
+/**************************************************************************/
+
+
+void SmLineNode::Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell, int nDepth)
+{
+    SmNode::Prepare(rFormat, rDocShell, nDepth);
+
+    // Here we use the 'FNT_VARIABLE' font since it's ascent and descent in general fit better
+    // to the rest of the formula compared to the 'FNT_MATH' font.
+    GetFont() = rFormat.GetFont(FNT_VARIABLE);
+    Flags() |= FontChangeMask::Face;
+}
+
+
+/**************************************************************************/
+
+
+void SmLineNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+    // arranges all subnodes in one row with some extra space between
+{
+    SmNode *pNode;
+    size_t nSize = GetNumSubNodes();
+    for (size_t i = 0; i < nSize; ++i)
+    {
+        if (nullptr != (pNode = GetSubNode(i)))
+            pNode->Arrange(rDev, rFormat);
+    }
+
+    SmTmpDevice aTmpDev (rDev, true);
+    aTmpDev.SetFont(GetFont());
+
+    if (nSize < 1)
+    {
+        // provide an empty rectangle with alignment parameters for the "current"
+        // font (in order to make "a^1 {}_2^3 a_4" work correct, that is, have the
+        // same sub-/supscript positions.)
+        //! be sure to use a character that has explicitly defined HiAttribut
+        //! line in rect.cxx such as 'a' in order to make 'vec a' look same to
+        //! 'vec {a}'.
+        SmRect::operator = (SmRect(aTmpDev, &rFormat, "a",
+                            GetFont().GetBorderWidth()));
+        // make sure that the rectangle occupies (almost) no space
+        SetWidth(1);
+        SetItalicSpaces(0, 0);
+        return;
+    }
+
+    // make distance depend on font size
+    tools::Long nDist = (rFormat.GetDistance(DIS_HORIZONTAL) * GetFont().GetFontSize().Height()) / 100;
+    if (!IsUseExtraSpaces())
+        nDist = 0;
+
+    Point   aPos;
+    // copy the first node into LineNode and extend by the others
+    if (nullptr != (pNode = GetSubNode(0)))
+        SmRect::operator = (pNode->GetRect());
+
+    for (size_t i = 1;  i < nSize; ++i)
+    {
+        if (nullptr != (pNode = GetSubNode(i)))
+        {
+            aPos = pNode->AlignTo(*this, RectPos::Right, RectHorAlign::Center, RectVerAlign::Baseline);
+
+            // add horizontal space to the left for each but the first sub node
+            aPos.AdjustX(nDist );
+
+            pNode->MoveTo(aPos);
+            ExtendBy( *pNode, RectCopyMBL::Xor );
+        }
+    }
+}
+
+
+/**************************************************************************/
+
+
+void SmExpressionNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+    // as 'SmLineNode::Arrange' but keeps alignment of leftmost subnode
+{
+    SmLineNode::Arrange(rDev, rFormat);
+
+    //  copy alignment of leftmost subnode if any
+    const SmNode *pNode = GetLeftMost();
+    if (pNode)
+        SetRectHorAlign(pNode->GetRectHorAlign(), false);
+}
+
+
+/**************************************************************************/
+
+
+void SmUnHorNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+{
+    bool  bIsPostfix = GetToken().eType == TFACT;
+
+    SmNode *pNode0 = GetSubNode(0),
+           *pNode1 = GetSubNode(1);
+    SmNode *pOper = bIsPostfix ? pNode1 : pNode0,
+           *pBody = bIsPostfix ? pNode0 : pNode1;
+    assert(pOper);
+    assert(pBody);
+
+    pOper->SetSize(Fraction (rFormat.GetRelSize(SIZ_OPERATOR), 100));
+    pOper->Arrange(rDev, rFormat);
+    pBody->Arrange(rDev, rFormat);
+
+    tools::Long nDist = (pOper->GetRect().GetWidth() * rFormat.GetDistance(DIS_HORIZONTAL)) / 100;
+
+    SmRect::operator = (*pNode0);
+
+    Point aPos = pNode1->AlignTo(*this, RectPos::Right, RectHorAlign::Center, RectVerAlign::Baseline);
+    aPos.AdjustX(nDist );
+    pNode1->MoveTo(aPos);
+    ExtendBy(*pNode1, RectCopyMBL::Xor);
+}
+
+
+/**************************************************************************/
+
+namespace {
+
+void lcl_GetHeightVerOffset(const SmRect &rRect,
+                                    tools::Long &rHeight, tools::Long &rVerOffset)
+    // calculate height and vertical offset of root sign suitable for 'rRect'
+{
+    rVerOffset = (rRect.GetBottom() - rRect.GetAlignB()) / 2;
+    rHeight    = rRect.GetHeight() - rVerOffset;
+
+    OSL_ENSURE(rHeight    >= 0, "Sm : Ooops...");
+    OSL_ENSURE(rVerOffset >= 0, "Sm : Ooops...");
+}
+
+
+Point lcl_GetExtraPos(const SmRect &rRootSymbol,
+                              const SmRect &rExtra)
+{
+    const Size &rSymSize = rRootSymbol.GetSize();
+
+    Point  aPos = rRootSymbol.GetTopLeft()
+            + Point((rSymSize.Width()  * 70) / 100,
+                    (rSymSize.Height() * 52) / 100);
+
+    // from this calculate topleft edge of 'rExtra'
+    aPos.AdjustX( -(rExtra.GetWidth() + rExtra.GetItalicRightSpace()) );
+    aPos.AdjustY( -(rExtra.GetHeight()) );
+    // if there's enough space move a bit less to the right
+    // examples: "nroot i a", "nroot j a"
+    // (it looks better if we don't use italic-spaces here)
+    tools::Long  nX = rRootSymbol.GetLeft() + (rSymSize.Width() * 30) / 100;
+    if (aPos.X() > nX)
+        aPos.setX( nX );
+
+    return aPos;
+}
+
+}
+
+void SmRootNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+{
+    //! pExtra needs to have the smaller index than pRootSym in order to
+    //! not to get the root symbol but the pExtra when clicking on it in the
+    //! GraphicWindow. (That is because of the simplicity of the algorithm
+    //! that finds the node corresponding to a mouseclick in the window.)
+    SmNode *pExtra   = GetSubNode(0),
+           *pRootSym = GetSubNode(1),
+           *pBody    = GetSubNode(2);
+    assert(pRootSym);
+    assert(pBody);
+
+    pBody->Arrange(rDev, rFormat);
+
+    tools::Long  nHeight,
+          nVerOffset;
+    lcl_GetHeightVerOffset(*pBody, nHeight, nVerOffset);
+    nHeight += rFormat.GetDistance(DIS_ROOT)
+               * GetFont().GetFontSize().Height() / 100;
+
+    if (nHeight < 0)
+    {
+        SAL_WARN("starmath", "negative height");
+        nHeight = 0;
+    }
+
+    // font specialist advised to change the width first
+    pRootSym->AdaptToY(rDev, nHeight);
+    pRootSym->AdaptToX(rDev, pBody->GetItalicWidth());
+
+    pRootSym->Arrange(rDev, rFormat);
+
+    // Set the top and bottom of the root symbol to the top and bottom of its glyph bounding rect,
+    // to get accurate position of the root symbol.
+    SmRect rRootSymRect = pRootSym->AsGlyphRect();
+    pRootSym->SetTop(rRootSymRect.GetTop());
+    pRootSym->SetBottom(rRootSymRect.GetBottom());
+
+    Point  aPos = pRootSym->AlignTo(*pBody, RectPos::Left, RectHorAlign::Center, RectVerAlign::Baseline);
+    //! override calculated vertical position
+    aPos.setY( pRootSym->GetTop() + pBody->GetBottom() - pRootSym->GetBottom() );
+    aPos.AdjustY( -nVerOffset );
+    pRootSym->MoveTo(aPos);
+
+    if (pExtra)
+    {   pExtra->SetSize(Fraction(rFormat.GetRelSize(SIZ_INDEX), 100));
+        pExtra->Arrange(rDev, rFormat);
+
+        aPos = lcl_GetExtraPos(*pRootSym, *pExtra);
+        pExtra->MoveTo(aPos);
+    }
+
+    SmRect::operator = (*pBody);
+    ExtendBy(*pRootSym, RectCopyMBL::This);
+    if (pExtra)
+        ExtendBy(*pExtra, RectCopyMBL::This, true);
+}
+
+/**************************************************************************/
+
+
+void SmBinHorNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+{
+    SmNode *pLeft  = LeftOperand(),
+           *pOper  = Symbol(),
+           *pRight = RightOperand();
+    assert(pLeft);
+    assert(pOper);
+    assert(pRight);
+
+    pOper->SetSize(Fraction (rFormat.GetRelSize(SIZ_OPERATOR), 100));
+
+    pLeft ->Arrange(rDev, rFormat);
+    pOper ->Arrange(rDev, rFormat);
+    pRight->Arrange(rDev, rFormat);
+
+    const SmRect &rOpRect = pOper->GetRect();
+
+    tools::Long nMul;
+    if (o3tl::checked_multiply<tools::Long>(rOpRect.GetWidth(), rFormat.GetDistance(DIS_HORIZONTAL), nMul))
+    {
+        SAL_WARN("starmath", "integer overflow");
+        return;
+    }
+
+    tools::Long nDist = nMul / 100;
+
+    SmRect::operator = (*pLeft);
+
+    Point aPos;
+    aPos = pOper->AlignTo(*this, RectPos::Right, RectHorAlign::Center, RectVerAlign::Baseline);
+    aPos.AdjustX(nDist );
+    pOper->MoveTo(aPos);
+    ExtendBy(*pOper, RectCopyMBL::Xor);
+
+    aPos = pRight->AlignTo(*this, RectPos::Right, RectHorAlign::Center, RectVerAlign::Baseline);
+    aPos.AdjustX(nDist );
+
+    pRight->MoveTo(aPos);
+    ExtendBy(*pRight, RectCopyMBL::Xor);
+}
+
+
+/**************************************************************************/
+
+
+void SmBinVerNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+{
+    SmNode *pNum   = GetSubNode(0),
+           *pLine  = GetSubNode(1),
+           *pDenom = GetSubNode(2);
+    assert(pNum);
+    assert(pLine);
+    assert(pDenom);
+
+    bool  bIsTextmode = rFormat.IsTextmode();
+    if (bIsTextmode)
+    {
+        Fraction  aFraction(rFormat.GetRelSize(SIZ_INDEX), 100);
+        pNum  ->SetSize(aFraction);
+        pLine ->SetSize(aFraction);
+        pDenom->SetSize(aFraction);
+    }
+
+    pNum  ->Arrange(rDev, rFormat);
+    pDenom->Arrange(rDev, rFormat);
+
+    tools::Long  nFontHeight = GetFont().GetFontSize().Height(),
+          nExtLen     = nFontHeight * rFormat.GetDistance(DIS_FRACTION) / 100,
+          nThick      = nFontHeight * rFormat.GetDistance(DIS_STROKEWIDTH) / 100,
+          nWidth      = std::max(pNum->GetItalicWidth(), pDenom->GetItalicWidth()),
+          nNumDist    = bIsTextmode ? 0 :
+                            nFontHeight * rFormat.GetDistance(DIS_NUMERATOR)   / 100,
+          nDenomDist  = bIsTextmode ? 0 :
+                            nFontHeight * rFormat.GetDistance(DIS_DENOMINATOR) / 100;
+
+    // font specialist advised to change the width first
+    pLine->AdaptToY(rDev, nThick);
+    pLine->AdaptToX(rDev, nWidth + 2 * nExtLen);
+    pLine->Arrange(rDev, rFormat);
+
+    // get horizontal alignment for numerator
+    const SmNode *pLM       = pNum->GetLeftMost();
+    RectHorAlign  eHorAlign = pLM->GetRectHorAlign();
+
+    // move numerator to its position
+    Point  aPos = pNum->AlignTo(*pLine, RectPos::Top, eHorAlign, RectVerAlign::Baseline);
+    aPos.AdjustY( -nNumDist );
+    pNum->MoveTo(aPos);
+
+    // get horizontal alignment for denominator
+    pLM       = pDenom->GetLeftMost();
+    eHorAlign = pLM->GetRectHorAlign();
+
+    // move denominator to its position
+    aPos = pDenom->AlignTo(*pLine, RectPos::Bottom, eHorAlign, RectVerAlign::Baseline);
+    aPos.AdjustY(nDenomDist );
+    pDenom->MoveTo(aPos);
+
+    SmRect::operator = (*pNum);
+    ExtendBy(*pDenom, RectCopyMBL::None).ExtendBy(*pLine, RectCopyMBL::None, pLine->GetCenterY());
+}
+
+const SmNode * SmBinVerNode::GetLeftMost() const
+{
+    return this;
+}
+
+
+namespace {
+
+/// @return value of the determinant formed by the two points
+double Det(const Point &rHeading1, const Point &rHeading2)
+{
+    return rHeading1.X() * rHeading2.Y() - rHeading1.Y() * rHeading2.X();
+}
+
+
+/// Is true iff the point 'rPoint1' belongs to the straight line through 'rPoint2'
+/// and has the direction vector 'rHeading2'
+bool IsPointInLine(const Point &rPoint1,
+                   const Point &rPoint2, const Point &rHeading2)
+{
+    assert(rHeading2 != Point());
+
+    bool bRes = false;
+    static const double eps = 5.0 * DBL_EPSILON;
+
+    double fLambda;
+    if (std::abs(rHeading2.X()) > std::abs(rHeading2.Y()))
+    {
+        fLambda = (rPoint1.X() - rPoint2.X()) / static_cast<double>(rHeading2.X());
+        bRes = fabs(rPoint1.Y() - (rPoint2.Y() + fLambda * rHeading2.Y())) < eps;
+    }
+    else
+    {
+        fLambda = (rPoint1.Y() - rPoint2.Y()) / static_cast<double>(rHeading2.Y());
+        bRes = fabs(rPoint1.X() - (rPoint2.X() + fLambda * rHeading2.X())) < eps;
+    }
+
+    return bRes;
+}
+
+
+sal_uInt16 GetLineIntersectionPoint(Point &rResult,
+                                const Point& rPoint1, const Point &rHeading1,
+                                const Point& rPoint2, const Point &rHeading2)
+{
+    assert(rHeading1 != Point());
+    assert(rHeading2 != Point());
+
+    sal_uInt16 nRes = 1;
+    static const double eps = 5.0 * DBL_EPSILON;
+
+    // are the direction vectors linearly dependent?
+    double  fDet = Det(rHeading1, rHeading2);
+    if (fabs(fDet) < eps)
+    {
+        nRes    = IsPointInLine(rPoint1, rPoint2, rHeading2) ? USHRT_MAX : 0;
+        rResult = nRes ? rPoint1 : Point();
+    }
+    else
+    {
+        // here we do not pay attention to the computational accuracy
+        // (that would be more complicated and is not really worth it in this case)
+        double fLambda = (    (rPoint1.Y() - rPoint2.Y()) * rHeading2.X()
+                            - (rPoint1.X() - rPoint2.X()) * rHeading2.Y())
+                         / fDet;
+        rResult = Point(rPoint1.X() + static_cast<tools::Long>(fLambda * rHeading1.X()),
+                        rPoint1.Y() + static_cast<tools::Long>(fLambda * rHeading1.Y()));
+    }
+
+    return nRes;
+}
+
+}
+
+
+/// @return position and size of the diagonal line
+/// premise: SmRect of the node defines the limitation(!) consequently it has to be known upfront
+void SmBinDiagonalNode::GetOperPosSize(Point &rPos, Size &rSize,
+                        const Point &rDiagPoint, double fAngleDeg) const
+
+{
+    double  fAngleRad   = basegfx::deg2rad(fAngleDeg);
+    tools::Long    nRectLeft   = GetItalicLeft(),
+            nRectRight  = GetItalicRight(),
+            nRectTop    = GetTop(),
+            nRectBottom = GetBottom();
+    Point   aRightHdg     (100, 0),
+            aDownHdg      (0, 100),
+            aDiagHdg      ( static_cast<tools::Long>(100.0 * cos(fAngleRad)),
+                            static_cast<tools::Long>(-100.0 * sin(fAngleRad)) );
+
+    tools::Long  nLeft, nRight, nTop, nBottom;     // margins of the rectangle for the diagonal
+    Point aPoint;
+    if (IsAscending())
+    {
+        // determine top right corner
+        GetLineIntersectionPoint(aPoint,
+            Point(nRectLeft, nRectTop), aRightHdg,
+            rDiagPoint, aDiagHdg);
+        // is there a point of intersection with the top border?
+        if (aPoint.X() <= nRectRight)
+        {
+            nRight = aPoint.X();
+            nTop   = nRectTop;
+        }
+        else
+        {
+            // there has to be a point of intersection with the right border!
+            GetLineIntersectionPoint(aPoint,
+                Point(nRectRight, nRectTop), aDownHdg,
+                rDiagPoint, aDiagHdg);
+
+            nRight = nRectRight;
+            nTop   = aPoint.Y();
+        }
+
+        // determine bottom left corner
+        GetLineIntersectionPoint(aPoint,
+            Point(nRectLeft, nRectBottom), aRightHdg,
+            rDiagPoint, aDiagHdg);
+        // is there a point of intersection with the bottom border?
+        if (aPoint.X() >= nRectLeft)
+        {
+            nLeft   = aPoint.X();
+            nBottom = nRectBottom;
+        }
+        else
+        {
+            // there has to be a point of intersection with the left border!
+            GetLineIntersectionPoint(aPoint,
+                Point(nRectLeft, nRectTop), aDownHdg,
+                rDiagPoint, aDiagHdg);
+
+            nLeft   = nRectLeft;
+            nBottom = aPoint.Y();
+        }
+    }
+    else
+    {
+        // determine top left corner
+        GetLineIntersectionPoint(aPoint,
+            Point(nRectLeft, nRectTop), aRightHdg,
+            rDiagPoint, aDiagHdg);
+        // is there a point of intersection with the top border?
+        if (aPoint.X() >= nRectLeft)
+        {
+            nLeft = aPoint.X();
+            nTop  = nRectTop;
+        }
+        else
+        {
+            // there has to be a point of intersection with the left border!
+            GetLineIntersectionPoint(aPoint,
+                Point(nRectLeft, nRectTop), aDownHdg,
+                rDiagPoint, aDiagHdg);
+
+            nLeft = nRectLeft;
+            nTop  = aPoint.Y();
+        }
+
+        // determine bottom right corner
+        GetLineIntersectionPoint(aPoint,
+            Point(nRectLeft, nRectBottom), aRightHdg,
+            rDiagPoint, aDiagHdg);
+        // is there a point of intersection with the bottom border?
+        if (aPoint.X() <= nRectRight)
+        {
+            nRight  = aPoint.X();
+            nBottom = nRectBottom;
+        }
+        else
+        {
+            // there has to be a point of intersection with the right border!
+            GetLineIntersectionPoint(aPoint,
+                Point(nRectRight, nRectTop), aDownHdg,
+                rDiagPoint, aDiagHdg);
+
+            nRight  = nRectRight;
+            nBottom = aPoint.Y();
+        }
+    }
+
+    rSize = Size(nRight - nLeft + 1, nBottom - nTop + 1);
+    rPos.setX( nLeft );
+    rPos.setY( nTop );
+}
+
+
+void SmBinDiagonalNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+{
+    // Both arguments have to get into the SubNodes before the Operator so that clicking
+    // within the GraphicWindow sets the FormulaCursor correctly (cf. SmRootNode)
+    SmNode *pLeft  = GetSubNode(0),
+           *pRight = GetSubNode(1),
+           *pLine  = GetSubNode(2);
+    assert(pLeft);
+    assert(pRight);
+    assert(pLine && pLine->GetType() == SmNodeType::PolyLine);
+
+    SmPolyLineNode *pOper = static_cast<SmPolyLineNode *>(pLine);
+    assert(pOper);
+
+    //! some routines being called extract some info from the OutputDevice's
+    //! font (eg the space to be used for borders OR the font name(!!)).
+    //! Thus the font should reflect the needs and has to be set!
+    SmTmpDevice aTmpDev (rDev, true);
+    aTmpDev.SetFont(GetFont());
+
+    pLeft->Arrange(aTmpDev, rFormat);
+    pRight->Arrange(aTmpDev, rFormat);
+
+    // determine implicitly the values (incl. the margin) of the diagonal line
+    pOper->Arrange(aTmpDev, rFormat);
+
+    tools::Long nDelta = pOper->GetWidth() * 8 / 10;
+
+    // determine TopLeft position from the right argument
+    Point aPos;
+    aPos.setX( pLeft->GetItalicRight() + nDelta + pRight->GetItalicLeftSpace() );
+    if (IsAscending())
+        aPos.setY( pLeft->GetBottom() + nDelta );
+    else
+        aPos.setY( pLeft->GetTop() - nDelta - pRight->GetHeight() );
+
+    pRight->MoveTo(aPos);
+
+    // determine new baseline
+    tools::Long nTmpBaseline = IsAscending() ? (pLeft->GetBottom() + pRight->GetTop()) / 2
+                        : (pLeft->GetTop() + pRight->GetBottom()) / 2;
+    Point  aLogCenter ((pLeft->GetItalicRight() + pRight->GetItalicLeft()) / 2,
+                       nTmpBaseline);
+
+    SmRect::operator = (*pLeft);
+    ExtendBy(*pRight, RectCopyMBL::None);
+
+
+    // determine position and size of diagonal line
+    Size  aTmpSize;
+    GetOperPosSize(aPos, aTmpSize, aLogCenter, IsAscending() ? 60.0 : -60.0);
+
+    // font specialist advised to change the width first
+    pOper->AdaptToY(aTmpDev, aTmpSize.Height());
+    pOper->AdaptToX(aTmpDev, aTmpSize.Width());
+    // and make it active
+    pOper->Arrange(aTmpDev, rFormat);
+
+    pOper->MoveTo(aPos);
+
+    ExtendBy(*pOper, RectCopyMBL::None, nTmpBaseline);
+}
+
+
+/**************************************************************************/
+
+
+void SmSubSupNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+{
+    OSL_ENSURE(GetNumSubNodes() == 1 + SUBSUP_NUM_ENTRIES,
+               "Sm: wrong number of subnodes");
+
+    SmNode *pBody = GetBody();
+    assert(pBody);
+
+    tools::Long  nOrigHeight = pBody->GetFont().GetFontSize().Height();
+
+    pBody->Arrange(rDev, rFormat);
+
+    const SmRect &rBodyRect = pBody->GetRect();
+    SmRect::operator = (rBodyRect);
+
+    // line that separates sub- and supscript rectangles
+    tools::Long  nDelimLine = SmFromTo(GetAlignB(), GetAlignT(), 0.4);
+
+    Point  aPos;
+    tools::Long   nDelta, nDist;
+
+    // iterate over all possible sub-/supscripts
+    SmRect  aTmpRect (rBodyRect);
+    for (int i = 0;  i < SUBSUP_NUM_ENTRIES;  i++)
+    {
+        SmSubSup eSubSup = static_cast<SmSubSup>(i);
+        SmNode *pSubSup = GetSubSup(eSubSup);
+
+        if (!pSubSup)
+            continue;
+
+        // switch position of limits if we are in textmode
+        if (rFormat.IsTextmode()  &&  (GetToken().nGroup & TG::Limit))
+            switch (eSubSup)
+            {   case CSUB:  eSubSup = RSUB;     break;
+                case CSUP:  eSubSup = RSUP;     break;
+                default:
+                    break;
+            }
+
+        // prevent sub-/supscripts from diminishing in size
+        // (as would be in "a_{1_{2_{3_4}}}")
+        if (GetFont().GetFontSize().Height() > rFormat.GetBaseSize().Height() / 3)
+        {
+            sal_uInt16 nIndex = (eSubSup == CSUB  ||  eSubSup == CSUP) ?
+                                    SIZ_LIMITS : SIZ_INDEX;
+            Fraction  aFraction ( rFormat.GetRelSize(nIndex), 100 );
+            pSubSup->SetSize(aFraction);
+        }
+
+        pSubSup->Arrange(rDev, rFormat);
+
+        bool  bIsTextmode = rFormat.IsTextmode();
+        nDist = 0;
+
+        //! be sure that CSUB, CSUP are handled before the other cases!
+        switch (eSubSup)
+        {   case RSUB :
+            case LSUB :
+                if (!bIsTextmode)
+                    nDist = nOrigHeight
+                            * rFormat.GetDistance(DIS_SUBSCRIPT) / 100;
+                aPos  = pSubSup->GetRect().AlignTo(aTmpRect,
+                                eSubSup == LSUB ? RectPos::Left : RectPos::Right,
+                                RectHorAlign::Center, RectVerAlign::Bottom);
+                aPos.AdjustY(nDist );
+                nDelta = nDelimLine - aPos.Y();
+                if (nDelta > 0)
+                    aPos.AdjustY(nDelta );
+                break;
+            case RSUP :
+            case LSUP :
+                if (!bIsTextmode)
+                    nDist = nOrigHeight
+                            * rFormat.GetDistance(DIS_SUPERSCRIPT) / 100;
+                aPos  = pSubSup->GetRect().AlignTo(aTmpRect,
+                                eSubSup == LSUP ? RectPos::Left : RectPos::Right,
+                                RectHorAlign::Center, RectVerAlign::Top);
+                aPos.AdjustY( -nDist );
+                nDelta = aPos.Y() + pSubSup->GetHeight() - nDelimLine;
+                if (nDelta > 0)
+                    aPos.AdjustY( -nDelta );
+                break;
+            case CSUB :
+                if (!bIsTextmode)
+                    nDist = nOrigHeight
+                            * rFormat.GetDistance(DIS_LOWERLIMIT) / 100;
+                aPos = pSubSup->GetRect().AlignTo(rBodyRect, RectPos::Bottom,
+                                RectHorAlign::Center, RectVerAlign::Baseline);
+                aPos.AdjustY(nDist );
+                break;
+            case CSUP :
+                if (!bIsTextmode)
+                    nDist = nOrigHeight
+                            * rFormat.GetDistance(DIS_UPPERLIMIT) / 100;
+                aPos = pSubSup->GetRect().AlignTo(rBodyRect, RectPos::Top,
+                                RectHorAlign::Center, RectVerAlign::Baseline);
+                aPos.AdjustY( -nDist );
+                break;
+        }
+
+        pSubSup->MoveTo(aPos);
+        ExtendBy(*pSubSup, RectCopyMBL::This, true);
+
+        // update rectangle to which  RSUB, RSUP, LSUB, LSUP
+        // will be aligned to
+        if (eSubSup == CSUB  ||  eSubSup == CSUP)
+            aTmpRect = *this;
+    }
+}
+
+/**************************************************************************/
+
+void SmBraceNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+{
+    SmNode *pLeft  = OpeningBrace(),
+           *pBody  = Body(),
+           *pRight = ClosingBrace();
+    assert(pLeft);
+    assert(pBody);
+    assert(pRight);
+
+    pBody->Arrange(rDev, rFormat);
+
+    bool  bIsScaleNormal = rFormat.IsScaleNormalBrackets(),
+          bScale         = pBody->GetHeight() > 0  &&
+                           (GetScaleMode() == SmScaleMode::Height  ||  bIsScaleNormal),
+          bIsABS         = GetToken().eType == TABS;
+
+    tools::Long  nFaceHeight = GetFont().GetFontSize().Height();
+
+    // determine oversize in %
+    sal_uInt16  nPerc = 0;
+    if (!bIsABS && bScale)
+    {   // in case of oversize braces...
+        sal_uInt16 nIndex = GetScaleMode() == SmScaleMode::Height ?
+                            DIS_BRACKETSIZE : DIS_NORMALBRACKETSIZE;
+        nPerc = rFormat.GetDistance(nIndex);
+    }
+
+    // determine the height for the braces
+    tools::Long  nBraceHeight;
+    if (bScale)
+    {
+        nBraceHeight = pBody->GetType() == SmNodeType::Bracebody ?
+                              static_cast<SmBracebodyNode *>(pBody)->GetBodyHeight()
+                            : pBody->GetHeight();
+        nBraceHeight += 2 * (nBraceHeight * nPerc / 100);
+    }
+    else
+        nBraceHeight = nFaceHeight;
+
+    // distance to the argument
+    nPerc = bIsABS ? 0 : rFormat.GetDistance(DIS_BRACKETSPACE);
+    tools::Long  nDist = nFaceHeight * nPerc / 100;
+
+    // if wanted, scale the braces to the wanted size
+    if (bScale)
+    {
+        Size  aTmpSize (pLeft->GetFont().GetFontSize());
+        OSL_ENSURE(pRight->GetFont().GetFontSize() == aTmpSize,
+                    "Sm : different font sizes");
+        aTmpSize.setWidth( std::min(nBraceHeight * 60 / 100,
+                            rFormat.GetBaseSize().Height() * 3 / 2) );
+        // correction factor since change from StarMath to OpenSymbol font
+        // because of the different font width in the FontMetric
+        aTmpSize.setWidth( aTmpSize.Width() * 182 );
+        aTmpSize.setWidth( aTmpSize.Width() / 267 );
+
+        sal_Unicode cChar = pLeft->GetToken().cMathChar[0];
+        if (cChar != MS_LINE  &&  cChar != MS_DLINE &&
+            cChar != MS_VERTLINE  &&  cChar != MS_DVERTLINE)
+            pLeft ->GetFont().SetSize(aTmpSize);
+
+        cChar = pRight->GetToken().cMathChar[0];
+        if (cChar != MS_LINE  &&  cChar != MS_DLINE &&
+            cChar != MS_VERTLINE  &&  cChar != MS_DVERTLINE)
+            pRight->GetFont().SetSize(aTmpSize);
+
+        pLeft ->AdaptToY(rDev, nBraceHeight);
+        pRight->AdaptToY(rDev, nBraceHeight);
+    }
+
+    pLeft ->Arrange(rDev, rFormat);
+    pRight->Arrange(rDev, rFormat);
+
+    // required in order to make "\(a\) - (a) - left ( a right )" look alright
+    RectVerAlign  eVerAlign = bScale ? RectVerAlign::CenterY : RectVerAlign::Baseline;
+
+    Point         aPos;
+    aPos = pLeft->AlignTo(*pBody, RectPos::Left, RectHorAlign::Center, eVerAlign);
+    aPos.AdjustX( -nDist );
+    pLeft->MoveTo(aPos);
+
+    aPos = pRight->AlignTo(*pBody, RectPos::Right, RectHorAlign::Center, eVerAlign);
+    aPos.AdjustX(nDist );
+    pRight->MoveTo(aPos);
+
+    SmRect::operator = (*pBody);
+    ExtendBy(*pLeft, RectCopyMBL::This).ExtendBy(*pRight, RectCopyMBL::This);
+}
+
+
+/**************************************************************************/
+
+
+void SmBracebodyNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+{
+    size_t nNumSubNodes = GetNumSubNodes();
+    if (nNumSubNodes == 0)
+        return;
+
+    // arrange arguments
+    for (size_t i = 0;  i < nNumSubNodes; i += 2)
+        GetSubNode(i)->Arrange(rDev, rFormat);
+
+    // build reference rectangle with necessary info for vertical alignment
+    SmRect  aRefRect (*GetSubNode(0));
+    for (size_t i = 0;  i < nNumSubNodes; i += 2)
+    {
+        SmRect aTmpRect (*GetSubNode(i));
+        Point  aPos = aTmpRect.AlignTo(aRefRect, RectPos::Right, RectHorAlign::Center, RectVerAlign::Baseline);
+        aTmpRect.MoveTo(aPos);
+        aRefRect.ExtendBy(aTmpRect, RectCopyMBL::Xor);
+    }
+
+    mnBodyHeight = aRefRect.GetHeight();
+
+    // scale separators to required height and arrange them
+    bool bScale  = GetScaleMode() == SmScaleMode::Height  ||  rFormat.IsScaleNormalBrackets();
+    tools::Long nHeight = bScale ? aRefRect.GetHeight() : GetFont().GetFontSize().Height();
+    sal_uInt16 nIndex  = GetScaleMode() == SmScaleMode::Height ?
+                        DIS_BRACKETSIZE : DIS_NORMALBRACKETSIZE;
+    sal_uInt16 nPerc   = rFormat.GetDistance(nIndex);
+    if (bScale)
+        nHeight += 2 * (nHeight * nPerc / 100);
+    for (size_t i = 1; i < nNumSubNodes; i += 2)
+    {
+        SmNode *pNode = GetSubNode(i);
+        pNode->AdaptToY(rDev, nHeight);
+        pNode->Arrange(rDev, rFormat);
+    }
+
+    // horizontal distance between argument and brackets or separators
+    tools::Long  nDist = GetFont().GetFontSize().Height()
+                  * rFormat.GetDistance(DIS_BRACKETSPACE) / 100;
+
+    SmNode *pLeft = GetSubNode(0);
+    SmRect::operator = (*pLeft);
+    for (size_t i = 1; i < nNumSubNodes; ++i)
+    {
+        bool          bIsSeparator = i % 2 != 0;
+        RectVerAlign  eVerAlign    = bIsSeparator ? RectVerAlign::CenterY : RectVerAlign::Baseline;
+
+        SmNode *pRight = GetSubNode(i);
+        Point  aPosX = pRight->AlignTo(*pLeft,   RectPos::Right, RectHorAlign::Center, eVerAlign),
+               aPosY = pRight->AlignTo(aRefRect, RectPos::Right, RectHorAlign::Center, eVerAlign);
+        aPosX.AdjustX(nDist );
+
+        pRight->MoveTo(Point(aPosX.X(), aPosY.Y()));
+        ExtendBy(*pRight, bIsSeparator ? RectCopyMBL::This : RectCopyMBL::Xor);
+
+        pLeft = pRight;
+    }
+}
+
+
+/**************************************************************************/
+
+
+void SmVerticalBraceNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+{
+    SmNode *pBody   = Body(),
+           *pBrace  = Brace(),
+           *pScript = Script();
+    assert(pBody);
+    assert(pBrace);
+    assert(pScript);
+
+    SmTmpDevice aTmpDev (rDev, true);
+    aTmpDev.SetFont(GetFont());
+
+    pBody->Arrange(aTmpDev, rFormat);
+
+    // size is the same as for limits for this part
+    pScript->SetSize( Fraction( rFormat.GetRelSize(SIZ_LIMITS), 100 ) );
+    // braces are a bit taller than usually
+    pBrace ->SetSize( Fraction(3, 2) );
+
+    tools::Long  nItalicWidth = pBody->GetItalicWidth();
+    if (nItalicWidth > 0)
+        pBrace->AdaptToX(aTmpDev, nItalicWidth);
+
+    pBrace ->Arrange(aTmpDev, rFormat);
+    pScript->Arrange(aTmpDev, rFormat);
+
+    // determine the relative position and the distances between each other
+    RectPos  eRectPos;
+    tools::Long nFontHeight = pBody->GetFont().GetFontSize().Height();
+    tools::Long nDistBody   = nFontHeight * rFormat.GetDistance(DIS_ORNAMENTSIZE),
+         nDistScript = nFontHeight;
+    if (GetToken().eType == TOVERBRACE)
+    {
+        eRectPos = RectPos::Top;
+        nDistBody    = - nDistBody;
+        nDistScript *= - rFormat.GetDistance(DIS_UPPERLIMIT);
+    }
+    else // TUNDERBRACE
+    {
+        eRectPos = RectPos::Bottom;
+        nDistScript *= + rFormat.GetDistance(DIS_LOWERLIMIT);
+    }
+    nDistBody   /= 100;
+    nDistScript /= 100;
+
+    Point  aPos = pBrace->AlignTo(*pBody, eRectPos, RectHorAlign::Center, RectVerAlign::Baseline);
+    aPos.AdjustY(nDistBody );
+    pBrace->MoveTo(aPos);
+
+    aPos = pScript->AlignTo(*pBrace, eRectPos, RectHorAlign::Center, RectVerAlign::Baseline);
+    aPos.AdjustY(nDistScript );
+    pScript->MoveTo(aPos);
+
+    SmRect::operator = (*pBody);
+    ExtendBy(*pBrace, RectCopyMBL::This).ExtendBy(*pScript, RectCopyMBL::This);
+}
+
+
+/**************************************************************************/
+
+
+SmNode * SmOperNode::GetSymbol()
+{
+    SmNode *pNode = GetSubNode(0);
+    assert(pNode);
+
+    if (pNode->GetType() == SmNodeType::SubSup)
+        pNode = static_cast<SmSubSupNode *>(pNode)->GetBody();
+
+    OSL_ENSURE(pNode, "Sm: NULL pointer!");
+    return pNode;
+}
+
+
+tools::Long SmOperNode::CalcSymbolHeight(const SmNode &rSymbol,
+                                  const SmFormat &rFormat) const
+    // returns the font height to be used for operator-symbol
+{
+    tools::Long  nHeight = GetFont().GetFontSize().Height();
+
+    SmTokenType  eTmpType = GetToken().eType;
+    if (eTmpType == TLIM  ||  eTmpType == TLIMINF  ||  eTmpType == TLIMSUP)
+        return nHeight;
+
+    if (!rFormat.IsTextmode())
+    {
+        // set minimum size ()
+        nHeight += (nHeight * 20) / 100;
+
+        nHeight += nHeight
+                   * rFormat.GetDistance(DIS_OPERATORSIZE) / 100;
+        nHeight = nHeight * 686 / 845;
+    }
+
+    // correct user-defined symbols to match height of sum from used font
+    if (rSymbol.GetToken().eType == TSPECIAL)
+        nHeight = nHeight * 845 / 686;
+
+    return nHeight;
+}
+
+
+void SmOperNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+{
+    SmNode *pOper = GetSubNode(0);
+    SmNode *pBody = GetSubNode(1);
+
+    assert(pOper);
+    assert(pBody);
+
+    SmNode *pSymbol = GetSymbol();
+    pSymbol->SetSize(Fraction(CalcSymbolHeight(*pSymbol, rFormat),
+                              pSymbol->GetFont().GetFontSize().Height()));
+
+    pBody->Arrange(rDev, rFormat);
+    bool bDynamicallySized = false;
+    if (pSymbol->GetToken().eType == TINTD)
+    {
+        tools::Long nBodyHeight = pBody->GetHeight();
+        tools::Long nFontHeight = pSymbol->GetFont().GetFontSize().Height();
+        if (nFontHeight < nBodyHeight)
+        {
+            pSymbol->SetSize(Fraction(nBodyHeight, nFontHeight));
+            bDynamicallySized = true;
+        }
+    }
+    pOper->Arrange(rDev, rFormat);
+
+    tools::Long  nOrigHeight = GetFont().GetFontSize().Height(),
+          nDist = nOrigHeight
+                  * rFormat.GetDistance(DIS_OPERATORSPACE) / 100;
+
+    Point aPos = pOper->AlignTo(*pBody, RectPos::Left, RectHorAlign::Center, bDynamicallySized ? RectVerAlign::CenterY : RectVerAlign::Mid);
+    aPos.AdjustX( -nDist );
+    pOper->MoveTo(aPos);
+
+    SmRect::operator = (*pBody);
+    ExtendBy(*pOper, RectCopyMBL::This);
+}
+
+
+/**************************************************************************/
+
+
+void SmAlignNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+    // set alignment within the entire subtree (including current node)
+{
+    assert(GetNumSubNodes() == 1);
+
+    SmNode  *pNode = GetSubNode(0);
+    assert(pNode);
+
+    RectHorAlign  eHorAlign = RectHorAlign::Center;
+    switch (GetToken().eType)
+    {
+        case TALIGNL:   eHorAlign = RectHorAlign::Left;   break;
+        case TALIGNC:   eHorAlign = RectHorAlign::Center; break;
+        case TALIGNR:   eHorAlign = RectHorAlign::Right;  break;
+        default:
+            break;
+    }
+    SetRectHorAlign(eHorAlign);
+
+    pNode->Arrange(rDev, rFormat);
+
+    SmRect::operator = (pNode->GetRect());
+}
+
+
+/**************************************************************************/
+
+
+void SmAttributeNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+{
+    SmNode *pAttr = Attribute(),
+           *pBody = Body();
+    assert(pBody);
+    assert(pAttr);
+
+    pBody->Arrange(rDev, rFormat);
+
+    if (GetScaleMode() == SmScaleMode::Width)
+        pAttr->AdaptToX(rDev, pBody->GetItalicWidth());
+    pAttr->Arrange(rDev, rFormat);
+
+    // get relative position of attribute
+    RectVerAlign  eVerAlign;
+    tools::Long          nDist = 0;
+    switch (GetToken().eType)
+    {   case TUNDERLINE :
+            eVerAlign = RectVerAlign::AttributeLo;
+            break;
+        case TOVERSTRIKE :
+            eVerAlign = RectVerAlign::AttributeMid;
+            break;
+        default :
+            eVerAlign = RectVerAlign::AttributeHi;
+            if (pBody->GetType() == SmNodeType::Attribute)
+                nDist = GetFont().GetFontSize().Height()
+                        * rFormat.GetDistance(DIS_ORNAMENTSPACE) / 100;
+    }
+    Point  aPos = pAttr->AlignTo(*pBody, RectPos::Attribute, RectHorAlign::Center, eVerAlign);
+    aPos.AdjustY( -nDist );
+    pAttr->MoveTo(aPos);
+
+    SmRect::operator = (*pBody);
+    ExtendBy(*pAttr, RectCopyMBL::This, true);
+}
+
+void SmFontNode::Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell, int nDepth)
+{
+    //! prepare subnodes first
+    SmNode::Prepare(rFormat, rDocShell, nDepth);
+
+    int  nFnt = -1;
+    switch (GetToken().eType)
+    {
+        case TFIXED:    nFnt = FNT_FIXED;   break;
+        case TSANS:     nFnt = FNT_SANS;    break;
+        case TSERIF:    nFnt = FNT_SERIF;   break;
+        default:
+            break;
+    }
+    if (nFnt != -1)
+    {   GetFont() = rFormat.GetFont( sal::static_int_cast< sal_uInt16 >(nFnt) );
+        SetFont(GetFont());
+    }
+
+    //! prevent overwrites of this font by 'Arrange' or 'SetFont' calls of
+    //! other font nodes (those with lower depth in the tree)
+    Flags() |= FontChangeMask::Face;
+}
+
+void SmFontNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+{
+    SmNode *pNode = GetSubNode(1);
+    assert(pNode);
+    sal_uInt32 nc;
+
+    switch (GetToken().eType)
+    {   case TSIZE :
+            pNode->SetFontSize(maFontSize, meSizeType);
+            break;
+        case TSANS :
+        case TSERIF :
+        case TFIXED :
+            pNode->SetFont(GetFont());
+            break;
+        case TUNKNOWN : break;  // no assertion on "font <?> <?>"
+
+        case TPHANTOM : SetPhantom(true);               break;
+        case TBOLD :    SetAttribute(FontAttribute::Bold);     break;
+        case TITALIC :  SetAttribute(FontAttribute::Italic);   break;
+        case TNBOLD :   ClearAttribute(FontAttribute::Bold);   break;
+        case TNITALIC : ClearAttribute(FontAttribute::Italic); break;
+
+        // Using HTML CSS Level 1 standard
+        case TRGB :
+        case TRGBA :
+        case THTMLCOL :
+        case TMATHMLCOL :
+        case TDVIPSNAMESCOL:
+        case TICONICCOL :
+        case THEX :
+            nc = GetToken().cMathChar.toUInt32(16);
+            SetColor(Color(ColorTransparency, nc));
+            break;
+
+        default:
+            SAL_WARN("starmath", "unknown case");
+    }
+
+    pNode->Arrange(rDev, rFormat);
+
+    SmRect::operator = (pNode->GetRect());
+}
+
+/**************************************************************************/
+
+
+SmPolyLineNode::SmPolyLineNode(const SmToken &rNodeToken)
+    : SmGraphicNode(SmNodeType::PolyLine, rNodeToken)
+    , maPoly(2)
+    , mnWidth(0)
+{
+}
+
+
+void SmPolyLineNode::AdaptToX(OutputDevice &/*rDev*/, sal_uLong nNewWidth)
+{
+    maToSize.setWidth( nNewWidth );
+}
+
+
+void SmPolyLineNode::AdaptToY(OutputDevice &/*rDev*/, sal_uLong nNewHeight)
+{
+    GetFont().FreezeBorderWidth();
+    maToSize.setHeight( nNewHeight );
+}
+
+
+void SmPolyLineNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+{
+    //! some routines being called extract some info from the OutputDevice's
+    //! font (eg the space to be used for borders OR the font name(!!)).
+    //! Thus the font should reflect the needs and has to be set!
+    SmTmpDevice aTmpDev (rDev, true);
+    aTmpDev.SetFont(GetFont());
+
+    tools::Long  nBorderwidth = GetFont().GetBorderWidth();
+
+    // create polygon using both endpoints
+    assert(maPoly.GetSize() == 2);
+    Point  aPointA, aPointB;
+    if (GetToken().eType == TWIDESLASH)
+    {
+        aPointA.setX( nBorderwidth );
+        aPointA.setY( maToSize.Height() - nBorderwidth );
+        aPointB.setX( maToSize.Width() - nBorderwidth );
+        aPointB.setY( nBorderwidth );
+    }
+    else
+    {
+        OSL_ENSURE(GetToken().eType == TWIDEBACKSLASH, "Sm : unexpected token");
+        aPointA.setX( nBorderwidth );
+        aPointA.setY( nBorderwidth );
+        aPointB.setX( maToSize.Width() - nBorderwidth );
+        aPointB.setY( maToSize.Height() - nBorderwidth );
+    }
+    maPoly.SetPoint(aPointA, 0);
+    maPoly.SetPoint(aPointB, 1);
+
+    tools::Long  nThick       = GetFont().GetFontSize().Height()
+                            * rFormat.GetDistance(DIS_STROKEWIDTH) / 100;
+    mnWidth = nThick + 2 * nBorderwidth;
+
+    SmRect::operator = (SmRect(maToSize.Width(), maToSize.Height()));
+}
+
+
+/**************************************************************************/
+
+void SmRootSymbolNode::AdaptToX(OutputDevice &/*rDev*/, sal_uLong nWidth)
+{
+    mnBodyWidth = nWidth;
+}
+
+
+void SmRootSymbolNode::AdaptToY(OutputDevice &rDev, sal_uLong nHeight)
+{
+    // some additional length so that the horizontal
+    // bar will be positioned above the argument
+    SmMathSymbolNode::AdaptToY(rDev, nHeight + nHeight / 10);
+}
+
+
+/**************************************************************************/
+
+
+void SmRectangleNode::AdaptToX(OutputDevice &/*rDev*/, sal_uLong nWidth)
+{
+    maToSize.setWidth( nWidth );
+}
+
+
+void SmRectangleNode::AdaptToY(OutputDevice &/*rDev*/, sal_uLong nHeight)
+{
+    GetFont().FreezeBorderWidth();
+    maToSize.setHeight( nHeight );
+}
+
+
+void SmRectangleNode::Arrange(OutputDevice &rDev, const SmFormat &/*rFormat*/)
+{
+    tools::Long  nFontHeight = GetFont().GetFontSize().Height();
+    tools::Long  nWidth  = maToSize.Width(),
+          nHeight = maToSize.Height();
+    if (nHeight == 0)
+        nHeight = nFontHeight / 30;
+    if (nWidth == 0)
+        nWidth  = nFontHeight / 3;
+
+    SmTmpDevice aTmpDev (rDev, true);
+    aTmpDev.SetFont(GetFont());
+
+    // add some borderspace
+    sal_uLong  nTmpBorderWidth = GetFont().GetBorderWidth();
+    nHeight += 2 * nTmpBorderWidth;
+
+    //! use this method in order to have 'SmRect::HasAlignInfo() == true'
+    //! and thus having the attribute-fences updated in 'SmRect::ExtendBy'
+    SmRect::operator = (SmRect(nWidth, nHeight));
+}
+
+
+/**************************************************************************/
+
+
+SmTextNode::SmTextNode( SmNodeType eNodeType, const SmToken &rNodeToken, sal_uInt16 nFontDescP )
+    : SmVisibleNode(eNodeType, rNodeToken)
+    , mnFontDesc(nFontDescP)
+    , mnSelectionStart(0)
+    , mnSelectionEnd(0)
+{
+}
+
+SmTextNode::SmTextNode( const SmToken &rNodeToken, sal_uInt16 nFontDescP )
+    : SmVisibleNode(SmNodeType::Text, rNodeToken)
+    , mnFontDesc(nFontDescP)
+    , mnSelectionStart(0)
+    , mnSelectionEnd(0)
+{
+}
+
+void SmTextNode::ChangeText(const OUString &rText) {
+    maText = rText;
+    GetToken().aText = rText;
+    AdjustFontDesc();
+}
+
+void SmTextNode::Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell, int nDepth)
+{
+    SmNode::Prepare(rFormat, rDocShell, nDepth);
+
+    // default setting for horizontal alignment of nodes with TTEXT
+    // content is as alignl (cannot be done in Arrange since it would
+    // override the settings made by an SmAlignNode before)
+    if (TTEXT == GetToken().eType)
+        SetRectHorAlign( RectHorAlign::Left );
+
+    maText = GetToken().aText;
+    GetFont() = rFormat.GetFont(GetFontDesc());
+
+    if (IsItalic( GetFont() ))
+        Attributes() |= FontAttribute::Italic;
+    if (IsBold( GetFont() ))
+        Attributes() |= FontAttribute::Bold;
+
+    // special handling for ':' where it is a token on its own and is likely
+    // to be used for mathematical notations. (E.g. a:b = 2:3)
+    // In that case it should not be displayed in italic.
+    if (maText.getLength() == 1 && GetToken().aText[0] == ':')
+        Attributes() &= ~FontAttribute::Italic;
+
+    // Arabic text should not be italic, so we check for any character in Arabic script and
+    // remove italic attribute.
+    if (!maText.isEmpty())
+    {
+        sal_Int32 nIndex = 0;
+        while (nIndex < maText.getLength())
+        {
+            sal_uInt32 cChar = maText.iterateCodePoints(&nIndex);
+            if (u_getIntPropertyValue(cChar, UCHAR_SCRIPT) == USCRIPT_ARABIC)
+            {
+                Attributes() &= ~FontAttribute::Italic;
+                break;
+            }
+        }
+    }
+};
+
+
+void SmTextNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+{
+    PrepareAttributes();
+
+    sal_uInt16  nSizeDesc = GetFontDesc() == FNT_FUNCTION ?
+                            SIZ_FUNCTION : SIZ_TEXT;
+    GetFont() *= Fraction (rFormat.GetRelSize(nSizeDesc), 100);
+
+    SmTmpDevice aTmpDev (rDev, true);
+    aTmpDev.SetFont(GetFont());
+
+    SmRect::operator = (SmRect(aTmpDev, &rFormat, maText, GetFont().GetBorderWidth()));
+}
+
+void SmTextNode::GetAccessibleText( OUStringBuffer &rText ) const
+{
+    rText.append(maText);
+}
+
+void SmTextNode::AdjustFontDesc()
+{
+    if (GetToken().nGroup == TG::Function) mnFontDesc = FNT_FUNCTION;
+    else if (GetToken().eType == TTEXT) mnFontDesc = FNT_TEXT;
+    else {
+        sal_Unicode firstChar = maText[0];
+        if( ('0' <= firstChar && firstChar <= '9') || firstChar == '.' || firstChar == ',')
+            mnFontDesc = FNT_NUMBER;
+        else mnFontDesc = FNT_VARIABLE;
+    }
+}
+
+sal_Unicode SmTextNode::ConvertSymbolToUnicode(sal_Unicode nIn)
+{
+    //Find the best match in accepted unicode for our private area symbols
+    static const sal_Unicode aStarMathPrivateToUnicode[] =
+    {
+        0x2030, 0xF613, 0xF612, 0x002B, 0x003C, 0x003E, 0xE425, 0xE421, 0xE088, 0x2208,
+        0x0192, 0x2026, 0x2192, 0x221A, 0x221A, 0x221A, 0xE090, 0x005E, 0x02C7, 0x02D8,
+        0x00B4, 0x0060, 0x02DC, 0x00AF, 0x0362, 0xE099, 0xE09A, 0x20DB, 0xE09C, 0xE09D,
+        0x0028, 0x0029, 0x2220, 0x22AF, 0xE0A2, 0xE0A3, 0xE0A4, 0xE0A5, 0xE0A6, 0xE0A7,
+        0x002F, 0x005C, 0x274F, 0xE0AB, 0x0393, 0x0394, 0x0398, 0x039b, 0x039e, 0x03A0,
+        0x03a3, 0x03a5, 0x03a6, 0x03a8, 0x03A9, 0x03B1, 0x03B2, 0x03b3, 0x03b4, 0x03b5,
+        0x03b6, 0x03b7, 0x03b8, 0x03b9, 0x03ba, 0x03bb, 0x03bc, 0x03bd, 0x03be, 0x03bf,
+        0x03c0, 0x03c1, 0x03c3, 0x03c4, 0x03c5, 0x03c6, 0x03c7, 0x03c8, 0x03c9, 0x03b5,
+        0x03d1, 0x03d6, 0xE0D2, 0x03db, 0x2118, 0x2202, 0x2129, 0xE0D7, 0xE0D8, 0x22A4,
+        0xE0DA, 0x2190, 0x2191, 0x2193
+    };
+    if ((nIn >= 0xE080) && (nIn <= 0xE0DD))
+        nIn = aStarMathPrivateToUnicode[nIn-0xE080];
+
+    //For whatever unicode glyph that equation editor doesn't ship with that
+    //we have a possible match we can munge it to.
+    switch (nIn)
+    {
+        case 0x2223:
+            nIn = '|';
+            break;
+        default:
+            break;
+    }
+
+    return nIn;
+}
+
+/**************************************************************************/
+
+void SmMatrixNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+{
+    SmNode *pNode;
+
+    // initialize array that is to hold the maximum widths of all
+    // elements (subnodes) in that column.
+    std::vector<tools::Long> aColWidth(mnNumCols);
+
+    // arrange subnodes and calculate the above arrays contents
+    size_t nNodes = GetNumSubNodes();
+    for (size_t i = 0; i < nNodes; ++i)
+    {
+        size_t nIdx = nNodes - 1 - i;
+        if (nullptr != (pNode = GetSubNode(nIdx)))
+        {
+            pNode->Arrange(rDev, rFormat);
+            int  nCol = nIdx % mnNumCols;
+            aColWidth[nCol] = std::max(aColWidth[nCol], pNode->GetItalicWidth());
+        }
+    }
+
+    // norm distance from which the following two are calculated
+    const tools::Long  nNormDist = 3 * GetFont().GetFontSize().Height();
+
+    // define horizontal and vertical minimal distances that separate
+    // the elements
+    tools::Long  nHorDist = nNormDist * rFormat.GetDistance(DIS_MATRIXCOL) / 100,
+          nVerDist = nNormDist * rFormat.GetDistance(DIS_MATRIXROW) / 100;
+
+    // build array that holds the leftmost position for each column
+    std::vector<tools::Long> aColLeft(mnNumCols);
+    tools::Long  nX = 0;
+    for (size_t j = 0; j < mnNumCols; ++j)
+    {
+        aColLeft[j] = nX;
+        nX += aColWidth[j] + nHorDist;
+    }
+
+    SmRect::operator = (SmRect());
+    for (size_t i = 0;  i < mnNumRows; ++i)
+    {
+        Point aPos;
+        SmRect aLineRect;
+        for (size_t j = 0;  j < mnNumCols; ++j)
+        {
+            SmNode *pTmpNode = GetSubNode(i * mnNumCols + j);
+            assert(pTmpNode);
+
+            const SmRect &rNodeRect = pTmpNode->GetRect();
+
+            // align all baselines in that row if possible
+            aPos = rNodeRect.AlignTo(aLineRect, RectPos::Right, RectHorAlign::Center, RectVerAlign::Baseline);
+
+            // get horizontal alignment
+            const SmNode *pCoNode   = pTmpNode->GetLeftMost();
+            RectHorAlign  eHorAlign = pCoNode->GetRectHorAlign();
+
+            // calculate horizontal position of element depending on column
+            // and horizontal alignment
+            switch (eHorAlign)
+            {   case RectHorAlign::Left:
+                    aPos.setX( aColLeft[j] );
+                    break;
+                case RectHorAlign::Center:
+                    aPos.setX( rNodeRect.GetLeft() + aColLeft[j]
+                               + aColWidth[j] / 2
+                               - rNodeRect.GetItalicCenterX() );
+                    break;
+                case RectHorAlign::Right:
+                    aPos.setX( aColLeft[j]
+                               + aColWidth[j] - rNodeRect.GetItalicWidth() );
+                    break;
+                default:
+                    assert(false);
+            }
+
+            pTmpNode->MoveTo(aPos);
+            aLineRect.ExtendBy(rNodeRect, RectCopyMBL::Xor);
+        }
+
+        aPos = aLineRect.AlignTo(*this, RectPos::Bottom, RectHorAlign::Center, RectVerAlign::Baseline);
+        if (i > 0)
+            aPos.AdjustY(nVerDist );
+
+        // move 'aLineRect' and rectangles in that line to final position
+        Point aDelta(0, // since horizontal alignment is already done
+                     aPos.Y() - aLineRect.GetTop());
+        aLineRect.Move(aDelta);
+        for (size_t j = 0;  j < mnNumCols; ++j)
+        {
+            if (nullptr != (pNode = GetSubNode(i * mnNumCols + j)))
+                pNode->Move(aDelta);
+        }
+
+        ExtendBy(aLineRect, RectCopyMBL::None);
+    }
+}
+
+const SmNode * SmMatrixNode::GetLeftMost() const
+{
+    return this;
+}
+
+
+/**************************************************************************/
+
+
+SmMathSymbolNode::SmMathSymbolNode(const SmToken &rNodeToken)
+:   SmSpecialNode(SmNodeType::Math, rNodeToken, FNT_MATH)
+{
+    SetText(GetToken().cMathChar);
+}
+
+void SmMathSymbolNode::AdaptToX(OutputDevice &rDev, sal_uLong nWidth)
+{
+    // Since there is no function to do this, we try to approximate it:
+    Size  aFntSize (GetFont().GetFontSize());
+
+    //! however the result is a bit better with 'nWidth' as initial font width
+    aFntSize.setWidth( nWidth );
+    GetFont().SetSize(aFntSize);
+
+    SmTmpDevice aTmpDev (rDev, true);
+    aTmpDev.SetFont(GetFont());
+
+    // get denominator of error factor for width
+    tools::Long nTmpBorderWidth = GetFont().GetBorderWidth();
+    tools::Long nDenom = SmRect(aTmpDev, nullptr, GetText(), nTmpBorderWidth).GetItalicWidth();
+
+    // scale fontwidth with this error factor
+    aFntSize.setWidth( aFntSize.Width() * nWidth );
+    aFntSize.setWidth( aFntSize.Width() / ( nDenom ? nDenom : 1) );
+
+    GetFont().SetSize(aFntSize);
+}
+
+void SmMathSymbolNode::AdaptToY(OutputDevice &rDev, sal_uLong nHeight)
+{
+    GetFont().FreezeBorderWidth();
+    Size  aFntSize (GetFont().GetFontSize());
+
+    // Since we only want to scale the height, we might have
+    // to determine the font width in order to keep it
+    if (aFntSize.Width() == 0)
+    {
+        rDev.Push(vcl::PushFlags::FONT | vcl::PushFlags::MAPMODE);
+        rDev.SetFont(GetFont());
+        aFntSize.setWidth( rDev.GetFontMetric().GetFontSize().Width() );
+        rDev.Pop();
+    }
+    OSL_ENSURE(aFntSize.Width() != 0, "Sm: ");
+
+    //! however the result is a bit better with 'nHeight' as initial
+    //! font height
+    aFntSize.setHeight( nHeight );
+    GetFont().SetSize(aFntSize);
+
+    SmTmpDevice aTmpDev (rDev, true);
+    aTmpDev.SetFont(GetFont());
+
+    // get denominator of error factor for height
+    tools::Long nTmpBorderWidth = GetFont().GetBorderWidth();
+    tools::Long nDenom = 0;
+    if (!GetText().isEmpty())
+        nDenom = SmRect(aTmpDev, nullptr, GetText(), nTmpBorderWidth).GetHeight();
+
+    // scale fontwidth with this error factor
+    aFntSize.setHeight( aFntSize.Height() * nHeight );
+    aFntSize.setHeight( aFntSize.Height() / ( nDenom ? nDenom : 1) );
+
+    GetFont().SetSize(aFntSize);
+}
+
+
+void SmMathSymbolNode::Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell, int nDepth)
+{
+    SmNode::Prepare(rFormat, rDocShell, nDepth);
+
+    GetFont() = rFormat.GetFont(GetFontDesc());
+    // use same font size as is used for variables
+    GetFont().SetSize( rFormat.GetFont( FNT_VARIABLE ).GetFontSize() );
+
+    OSL_ENSURE(GetFont().GetCharSet() == RTL_TEXTENCODING_SYMBOL  ||
+               GetFont().GetCharSet() == RTL_TEXTENCODING_UNICODE,
+        "wrong charset for character from StarMath/OpenSymbol font");
+
+    Flags() |= FontChangeMask::Face | FontChangeMask::Italic;
+};
+
+
+void SmMathSymbolNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+{
+    const OUString &rText = GetText();
+
+    if (rText.isEmpty() || rText[0] == '\0')
+    {   SmRect::operator = (SmRect());
+        return;
+    }
+
+    PrepareAttributes();
+
+    GetFont() *= Fraction (rFormat.GetRelSize(SIZ_TEXT), 100);
+
+    SmTmpDevice aTmpDev (rDev, true);
+    aTmpDev.SetFont(GetFont());
+
+    SmRect::operator = (SmRect(aTmpDev, &rFormat, rText, GetFont().GetBorderWidth()));
+}
+
+/**************************************************************************/
+
+SmSpecialNode::SmSpecialNode(SmNodeType eNodeType, const SmToken &rNodeToken, sal_uInt16 _nFontDesc)
+    : SmTextNode(eNodeType, rNodeToken, _nFontDesc)
+{
+}
+
+
+SmSpecialNode::SmSpecialNode(const SmToken &rNodeToken)
+    : SmTextNode(SmNodeType::Special, rNodeToken, FNT_VARIABLE)  // default Font isn't always correct!
+{
+}
+
+
+void SmSpecialNode::Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell, int nDepth)
+{
+    SmNode::Prepare(rFormat, rDocShell, nDepth);
+
+    const SmSym   *pSym;
+    SmModule  *pp = SM_MOD();
+
+    bool bIsGreekSymbol = false;
+    bool bIsSpecialSymbol = false;
+    bool bIsArabic = false;
+
+    if (nullptr != (pSym = pp->GetSymbolManager().GetSymbolByName(GetToken().aText.subView(1))))
+    {
+        sal_UCS4 cChar = pSym->GetCharacter();
+        OUString aTmp( &cChar, 1 );
+        SetText( aTmp );
+        GetFont() = pSym->GetFace(&rFormat);
+
+        OUString aSymbolSetName = SmLocalizedSymbolData::GetExportSymbolSetName(pSym->GetSymbolSetName());
+        if (aSymbolSetName == "Greek")
+            bIsGreekSymbol = true;
+        else if (aSymbolSetName == "Special")
+            bIsSpecialSymbol = true;
+        else if (aSymbolSetName == "Arabic")
+            bIsArabic = true;
+    }
+    else
+    {
+        SetText( GetToken().aText );
+        GetFont() = rFormat.GetFont(FNT_VARIABLE);
+    }
+    // use same font size as is used for variables
+    GetFont().SetSize( rFormat.GetFont( FNT_VARIABLE ).GetFontSize() );
+
+    // Actually only WEIGHT_NORMAL and WEIGHT_BOLD should occur... However, the sms-file also
+    // contains e.g. 'WEIGHT_ULTRALIGHT'. Consequently, compare here with '>' instead of '!='.
+    // (In the long term the necessity for 'PrepareAttribut' and thus also for this here should be dropped)
+
+    //! see also SmFontStyles::GetStyleName
+    if (IsItalic( GetFont() ))
+        SetAttribute(FontAttribute::Italic);
+    if (IsBold( GetFont() ))
+        SetAttribute(FontAttribute::Bold);
+
+    Flags() |= FontChangeMask::Face;
+
+    sal_uInt32 cChar = 0;
+    if (!GetText().isEmpty())
+    {
+        sal_Int32 nIndex = 0;
+        cChar = GetText().iterateCodePoints(&nIndex);
+        if (!bIsArabic)
+            bIsArabic = u_getIntPropertyValue(cChar, UCHAR_SCRIPT) == USCRIPT_ARABIC;
+    }
+
+    if (!bIsGreekSymbol && !bIsSpecialSymbol && !bIsArabic)
+        return;
+
+    // Arabic and special symbols should not be italic,
+    // Greek is italic only in some cases.
+    bool bItalic = false;
+    if (bIsGreekSymbol)
+    {
+        sal_Int16 nStyle = rFormat.GetGreekCharStyle();
+        OSL_ENSURE( nStyle >= 0 && nStyle <= 2, "unexpected value for GreekCharStyle" );
+        if (nStyle == 1)
+            bItalic = true;
+        else if (nStyle == 2)
+        {
+            static const sal_Unicode cUppercaseAlpha = 0x0391;
+            static const sal_Unicode cUppercaseOmega = 0x03A9;
+            // uppercase letters should be straight and lowercase letters italic
+            bItalic = cUppercaseAlpha > cChar || cChar > cUppercaseOmega;
+        }
+    }
+
+    if (bItalic)
+        Attributes() |= FontAttribute::Italic;
+    else
+        Attributes() &= ~FontAttribute::Italic;
+};
+
+
+void SmSpecialNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+{
+    PrepareAttributes();
+
+    SmTmpDevice aTmpDev (rDev, true);
+    aTmpDev.SetFont(GetFont());
+
+    SmRect::operator = (SmRect(aTmpDev, &rFormat, GetText(), GetFont().GetBorderWidth()));
+}
+
+/**************************************************************************/
+
+
+void SmGlyphSpecialNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+{
+    PrepareAttributes();
+
+    SmTmpDevice aTmpDev (rDev, true);
+    aTmpDev.SetFont(GetFont());
+
+    SmRect::operator = (SmRect(aTmpDev, &rFormat, GetText(),
+                               GetFont().GetBorderWidth()).AsGlyphRect());
+}
+
+
+/**************************************************************************/
+
+
+void SmPlaceNode::Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell, int nDepth)
+{
+    SmNode::Prepare(rFormat, rDocShell, nDepth);
+
+    GetFont().SetColor(COL_GRAY);
+    Flags() |= FontChangeMask::Color | FontChangeMask::Face | FontChangeMask::Italic;
+};
+
+
+void SmPlaceNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+{
+    PrepareAttributes();
+
+    SmTmpDevice aTmpDev (rDev, true);
+    aTmpDev.SetFont(GetFont());
+
+    SmRect::operator = (SmRect(aTmpDev, &rFormat, GetText(), GetFont().GetBorderWidth()));
+}
+
+
+/**************************************************************************/
+
+
+void SmErrorNode::Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell, int nDepth)
+{
+    SmNode::Prepare(rFormat, rDocShell, nDepth);
+
+    GetFont().SetColor(COL_RED);
+    Flags() |= FontChangeMask::Phantom | FontChangeMask::Bold | FontChangeMask::Italic
+               | FontChangeMask::Color | FontChangeMask::Face | FontChangeMask::Size;
+}
+
+
+void SmErrorNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+{
+    PrepareAttributes();
+
+    SmTmpDevice aTmpDev (rDev, true);
+    aTmpDev.SetFont(GetFont());
+
+    const OUString &rText = GetText();
+    SmRect::operator = (SmRect(aTmpDev, &rFormat, rText, GetFont().GetBorderWidth()));
+}
+
+/**************************************************************************/
+
+void SmBlankNode::IncreaseBy(const SmToken &rToken, sal_uInt32 nMultiplyBy)
+{
+    switch(rToken.eType)
+    {
+        case TBLANK:  mnNum += (4 * nMultiplyBy); break;
+        case TSBLANK: mnNum += (1 * nMultiplyBy); break;
+        default:
+            break;
+    }
+}
+
+void SmBlankNode::Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell, int nDepth)
+{
+    SmNode::Prepare(rFormat, rDocShell, nDepth);
+
+    // Here it need/should not be the StarMath font, so that for the character
+    // used in Arrange a normal (non-clipped) rectangle is generated
+    GetFont() = rFormat.GetFont(FNT_VARIABLE);
+
+    Flags() |= FontChangeMask::Face | FontChangeMask::Bold | FontChangeMask::Italic;
+}
+
+
+void SmBlankNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
+{
+    SmTmpDevice aTmpDev (rDev, true);
+    aTmpDev.SetFont(GetFont());
+
+    // make distance depend on the font height
+    // (so that it increases when scaling (e.g. size *2 {a ~ b})
+    tools::Long  nDist  = GetFont().GetFontSize().Height() / 10,
+          nSpace = mnNum * nDist;
+
+    // get a SmRect with Baseline and all the bells and whistles
+    SmRect::operator = (SmRect(aTmpDev, &rFormat, OUString(' '),
+                               GetFont().GetBorderWidth()));
+
+    // and resize it to the requested size
+    SetItalicSpaces(0, 0);
+    SetWidth(nSpace);
+}
+
+/**************************************************************************/
+//Implementation of all accept methods for SmVisitor
+
+void SmTableNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmBraceNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmBracebodyNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmOperNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmAlignNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmAttributeNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmFontNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmUnHorNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmBinHorNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmBinVerNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmBinDiagonalNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmSubSupNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmMatrixNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmPlaceNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmTextNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmSpecialNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmGlyphSpecialNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmMathSymbolNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmBlankNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmErrorNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmLineNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmExpressionNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmPolyLineNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmRootNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmRootSymbolNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmRectangleNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+void SmVerticalBraceNode::Accept(SmVisitor* pVisitor) {
+    pVisitor->Visit(this);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/ooxmlexport.cxx b/starmath/source/ooxmlexport.cxx
new file mode 100644
index 0000000000..2956dd9a81
--- /dev/null
+++ b/starmath/source/ooxmlexport.cxx
@@ -0,0 +1,596 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include "ooxmlexport.hxx"
+
+#include <oox/token/tokens.hxx>
+#include <rtl/ustring.hxx>
+#include <sal/log.hxx>
+#include <oox/mathml/imexport.hxx>
+
+using namespace oox;
+using namespace oox::core;
+
+SmOoxmlExport::SmOoxmlExport(const SmNode *const pIn, OoxmlVersion const v,
+        drawingml::DocumentType const documentType)
+: SmWordExportBase( pIn )
+, version( v )
+, m_DocumentType(documentType)
+{
+}
+
+void SmOoxmlExport::ConvertFromStarMath( const ::sax_fastparser::FSHelperPtr& serializer, const sal_Int8 nAlign )
+{
+    if( GetTree() == nullptr )
+        return;
+    m_pSerializer = serializer;
+
+    //Formula alignment situations:
+    //
+    //  1)Inline(as before):
+    //
+    //      <m:oMath>
+    //          <m:r>  ... </m:r>
+    //      </m:oMath>
+    //
+    //  2)Aligned:
+    //
+    //      <m:oMathPara>
+    //          <m:oMathParaPr>
+    //              <m:jc m:val="left|right|center">
+    //          </m:oMathParaPr>
+    //          <m:oMath>
+    //              <m:r>  ... </m:r>
+    //          </m:oMath>
+    //      </m:oMathPara>
+
+    if (nAlign != FormulaImExportBase::eFormulaAlign::INLINE)
+    {
+        m_pSerializer->startElementNS(XML_m, XML_oMathPara,
+            FSNS(XML_xmlns, XML_m), "http://schemas.openxmlformats.org/officeDocument/2006/math");
+        m_pSerializer->startElementNS(XML_m, XML_oMathParaPr);
+        if (nAlign == FormulaImExportBase::eFormulaAlign::CENTER)
+            m_pSerializer->singleElementNS(XML_m, XML_jc, FSNS(XML_m, XML_val), "center");
+        if (nAlign == FormulaImExportBase::eFormulaAlign::LEFT)
+            m_pSerializer->singleElementNS(XML_m, XML_jc, FSNS(XML_m, XML_val), "left");
+        if (nAlign == FormulaImExportBase::eFormulaAlign::RIGHT)
+            m_pSerializer->singleElementNS(XML_m, XML_jc, FSNS(XML_m, XML_val), "right");
+        m_pSerializer->endElementNS(XML_m, XML_oMathParaPr);
+        m_pSerializer->startElementNS(XML_m, XML_oMath);
+        HandleNode(GetTree(), 0);
+        m_pSerializer->endElementNS(XML_m, XML_oMath);
+        m_pSerializer->endElementNS(XML_m, XML_oMathPara);
+    }
+    else //else, inline as was before
+    {
+        m_pSerializer->startElementNS(XML_m, XML_oMath,
+            FSNS(XML_xmlns, XML_m), "http://schemas.openxmlformats.org/officeDocument/2006/math");
+        HandleNode( GetTree(), 0 );
+        m_pSerializer->endElementNS( XML_m, XML_oMath );
+    }
+}
+
+// NOTE: This is still work in progress and unfinished, but it already covers a good
+// part of the ooxml math stuff.
+
+void SmOoxmlExport::HandleVerticalStack( const SmNode* pNode, int nLevel )
+{
+    m_pSerializer->startElementNS(XML_m, XML_eqArr);
+    int size = pNode->GetNumSubNodes();
+    for( int i = 0;
+         i < size;
+         ++i )
+    {
+        m_pSerializer->startElementNS(XML_m, XML_e);
+        HandleNode( pNode->GetSubNode( i ), nLevel + 1 );
+        m_pSerializer->endElementNS( XML_m, XML_e );
+    }
+    m_pSerializer->endElementNS( XML_m, XML_eqArr );
+}
+
+void SmOoxmlExport::HandleText( const SmNode* pNode, int /*nLevel*/)
+{
+    m_pSerializer->startElementNS(XML_m, XML_r);
+
+    if( pNode->GetToken().eType == TTEXT ) // literal text (in quotes)
+    {
+        m_pSerializer->startElementNS(XML_m, XML_rPr);
+        m_pSerializer->singleElementNS(XML_m, XML_lit);
+        m_pSerializer->singleElementNS(XML_m, XML_nor);
+        m_pSerializer->endElementNS( XML_m, XML_rPr );
+    }
+    if (drawingml::DOCUMENT_DOCX == m_DocumentType && ECMA_376_1ST_EDITION == version)
+    { // HACK: MSOffice2007 does not import characters properly unless this font is explicitly given
+        m_pSerializer->startElementNS(XML_w, XML_rPr);
+        m_pSerializer->singleElementNS( XML_w, XML_rFonts, FSNS( XML_w, XML_ascii ), "Cambria Math",
+            FSNS( XML_w, XML_hAnsi ), "Cambria Math" );
+        m_pSerializer->endElementNS( XML_w, XML_rPr );
+    }
+    m_pSerializer->startElementNS(XML_m, XML_t, FSNS(XML_xml, XML_space), "preserve");
+    const SmTextNode* pTemp = static_cast<const SmTextNode* >(pNode);
+    SAL_INFO( "starmath.ooxml", "Text:" << pTemp->GetText());
+    OUStringBuffer buf(pTemp->GetText());
+    for(sal_Int32 i=0;i<pTemp->GetText().getLength();i++)
+    {
+#if 0
+        if ((nPendingAttributes) &&
+            (i == ((pTemp->GetText().getLength()+1)/2)-1))
+        {
+            *pS << sal_uInt8(0x22);     //char, with attributes right
+                                //after the character
+        }
+        else
+            *pS << sal_uInt8(CHAR);
+
+        sal_uInt8 nFace = 0x1;
+        if (pNode->GetFont().GetItalic() == ITALIC_NORMAL)
+            nFace = 0x3;
+        else if (pNode->GetFont().GetWeight() == WEIGHT_BOLD)
+            nFace = 0x7;
+        *pS << sal_uInt8(nFace+128); //typeface
+#endif
+        buf[i] = SmTextNode::ConvertSymbolToUnicode(buf[i]);
+#if 0
+        //Mathtype can only have these sort of character
+        //attributes on a single character, starmath can put them
+        //anywhere, when the entity involved is a text run this is
+        //a large effort to place the character attribute on the
+        //central mathtype character so that it does pretty much
+        //what the user probably has in mind. The attributes
+        //filled in here are dummy ones which are replaced in the
+        //ATTRIBUTE handler if a suitable location for the
+        //attributes was found here. Unfortunately it is
+        //possible for starmath to place character attributes on
+        //entities which cannot occur in mathtype e.g. a Summation
+        //symbol so these attributes may be lost
+        if ((nPendingAttributes) &&
+            (i == ((pTemp->GetText().getLength()+1)/2)-1))
+        {
+            *pS << sal_uInt8(EMBEL);
+            while (nPendingAttributes)
+            {
+                *pS << sal_uInt8(2);
+                //wedge the attributes in here and clear
+                //the pending stack
+                nPendingAttributes--;
+            }
+            nInsertion=pS->Tell();
+            *pS << sal_uInt8(END); //end embel
+            *pS << sal_uInt8(END); //end embel
+        }
+#endif
+    }
+    m_pSerializer->writeEscaped(buf);
+    m_pSerializer->endElementNS( XML_m, XML_t );
+    m_pSerializer->endElementNS( XML_m, XML_r );
+}
+
+void SmOoxmlExport::HandleFractions( const SmNode* pNode, int nLevel, const char* type )
+{
+    m_pSerializer->startElementNS(XML_m, XML_f);
+    if( type != nullptr )
+    {
+        m_pSerializer->startElementNS(XML_m, XML_fPr);
+        m_pSerializer->singleElementNS(XML_m, XML_type, FSNS(XML_m, XML_val), type);
+        m_pSerializer->endElementNS( XML_m, XML_fPr );
+    }
+    assert( pNode->GetNumSubNodes() == 3 );
+    m_pSerializer->startElementNS(XML_m, XML_num);
+    HandleNode( pNode->GetSubNode( 0 ), nLevel + 1 );
+    m_pSerializer->endElementNS( XML_m, XML_num );
+    m_pSerializer->startElementNS(XML_m, XML_den);
+    HandleNode( pNode->GetSubNode( 2 ), nLevel + 1 );
+    m_pSerializer->endElementNS( XML_m, XML_den );
+    m_pSerializer->endElementNS( XML_m, XML_f );
+}
+
+void SmOoxmlExport::HandleAttribute( const SmAttributeNode* pNode, int nLevel )
+{
+    switch( pNode->Attribute()->GetToken().eType )
+    {
+        case TCHECK:
+        case TACUTE:
+        case TGRAVE:
+        case TBREVE:
+        case TCIRCLE:
+        case TVEC:
+        case TTILDE:
+        case THAT:
+        case TDOT:
+        case TDDOT:
+        case TDDDOT:
+        case TWIDETILDE:
+        case TWIDEHAT:
+        case TWIDEHARPOON:
+        case TWIDEVEC:
+        case TBAR:
+        {
+            m_pSerializer->startElementNS(XML_m, XML_acc);
+            m_pSerializer->startElementNS(XML_m, XML_accPr);
+            OString value = OUStringToOString(pNode->Attribute()->GetToken().cMathChar, RTL_TEXTENCODING_UTF8 );
+            m_pSerializer->singleElementNS(XML_m, XML_chr, FSNS(XML_m, XML_val), value);
+            m_pSerializer->endElementNS( XML_m, XML_accPr );
+            m_pSerializer->startElementNS(XML_m, XML_e);
+            HandleNode( pNode->Body(), nLevel + 1 );
+            m_pSerializer->endElementNS( XML_m, XML_e );
+            m_pSerializer->endElementNS( XML_m, XML_acc );
+            break;
+        }
+        case TOVERLINE:
+        case TUNDERLINE:
+            m_pSerializer->startElementNS(XML_m, XML_bar);
+            m_pSerializer->startElementNS(XML_m, XML_barPr);
+            m_pSerializer->singleElementNS( XML_m, XML_pos, FSNS( XML_m, XML_val ),
+                ( pNode->Attribute()->GetToken().eType == TUNDERLINE ) ? "bot" : "top" );
+            m_pSerializer->endElementNS( XML_m, XML_barPr );
+            m_pSerializer->startElementNS(XML_m, XML_e);
+            HandleNode( pNode->Body(), nLevel + 1 );
+            m_pSerializer->endElementNS( XML_m, XML_e );
+            m_pSerializer->endElementNS( XML_m, XML_bar );
+            break;
+        case TOVERSTRIKE:
+            m_pSerializer->startElementNS(XML_m, XML_borderBox);
+            m_pSerializer->startElementNS(XML_m, XML_borderBoxPr);
+            m_pSerializer->singleElementNS(XML_m, XML_hideTop, FSNS(XML_m, XML_val), "1");
+            m_pSerializer->singleElementNS(XML_m, XML_hideBot, FSNS(XML_m, XML_val), "1");
+            m_pSerializer->singleElementNS(XML_m, XML_hideLeft, FSNS(XML_m, XML_val), "1");
+            m_pSerializer->singleElementNS(XML_m, XML_hideRight, FSNS(XML_m, XML_val), "1");
+            m_pSerializer->singleElementNS(XML_m, XML_strikeH, FSNS(XML_m, XML_val), "1");
+            m_pSerializer->endElementNS( XML_m, XML_borderBoxPr );
+            m_pSerializer->startElementNS(XML_m, XML_e);
+            HandleNode( pNode->Body(), nLevel + 1 );
+            m_pSerializer->endElementNS( XML_m, XML_e );
+            m_pSerializer->endElementNS( XML_m, XML_borderBox );
+            break;
+        default:
+            HandleAllSubNodes( pNode, nLevel );
+            break;
+    }
+}
+
+void SmOoxmlExport::HandleRoot( const SmRootNode* pNode, int nLevel )
+{
+    m_pSerializer->startElementNS(XML_m, XML_rad);
+    if( const SmNode* argument = pNode->Argument())
+    {
+        m_pSerializer->startElementNS(XML_m, XML_deg);
+        HandleNode( argument, nLevel + 1 );
+        m_pSerializer->endElementNS( XML_m, XML_deg );
+    }
+    else
+    {
+        m_pSerializer->startElementNS(XML_m, XML_radPr);
+        m_pSerializer->singleElementNS(XML_m, XML_degHide, FSNS(XML_m, XML_val), "1");
+        m_pSerializer->endElementNS( XML_m, XML_radPr );
+        m_pSerializer->singleElementNS(XML_m, XML_deg); // empty but present
+    }
+    m_pSerializer->startElementNS(XML_m, XML_e);
+    HandleNode( pNode->Body(), nLevel + 1 );
+    m_pSerializer->endElementNS( XML_m, XML_e );
+    m_pSerializer->endElementNS( XML_m, XML_rad );
+}
+
+static OString mathSymbolToString( const SmNode* node )
+{
+    assert( node->GetType() == SmNodeType::Math || node->GetType() == SmNodeType::MathIdent );
+    const SmTextNode* txtnode = static_cast< const SmTextNode* >( node );
+    assert( txtnode->GetText().getLength() == 1 );
+    sal_Unicode chr = SmTextNode::ConvertSymbolToUnicode( txtnode->GetText()[0] );
+    return OUStringToOString( OUStringChar( chr ), RTL_TEXTENCODING_UTF8 );
+}
+
+void SmOoxmlExport::HandleOperator( const SmOperNode* pNode, int nLevel )
+{
+    SAL_INFO( "starmath.ooxml", "Operator: " << int( pNode->GetToken().eType ));
+    switch( pNode->GetToken().eType )
+    {
+        case TINT:
+        case TINTD:
+        case TIINT:
+        case TIIINT:
+        case TLINT:
+        case TLLINT:
+        case TLLLINT:
+        case TPROD:
+        case TCOPROD:
+        case TSUM:
+        {
+            const SmSubSupNode* subsup = pNode->GetSubNode( 0 )->GetType() == SmNodeType::SubSup
+                ? static_cast< const SmSubSupNode* >( pNode->GetSubNode( 0 )) : nullptr;
+            const SmNode* operation = subsup != nullptr ? subsup->GetBody() : pNode->GetSubNode( 0 );
+            m_pSerializer->startElementNS(XML_m, XML_nary);
+            m_pSerializer->startElementNS(XML_m, XML_naryPr);
+            m_pSerializer->singleElementNS( XML_m, XML_chr,
+                FSNS( XML_m, XML_val ), mathSymbolToString(operation) );
+            if( subsup == nullptr || subsup->GetSubSup( CSUB ) == nullptr )
+                m_pSerializer->singleElementNS(XML_m, XML_subHide, FSNS(XML_m, XML_val), "1");
+            if( subsup == nullptr || subsup->GetSubSup( CSUP ) == nullptr )
+                m_pSerializer->singleElementNS(XML_m, XML_supHide, FSNS(XML_m, XML_val), "1");
+            m_pSerializer->endElementNS( XML_m, XML_naryPr );
+            if( subsup == nullptr || subsup->GetSubSup( CSUB ) == nullptr )
+                m_pSerializer->singleElementNS(XML_m, XML_sub);
+            else
+            {
+                m_pSerializer->startElementNS(XML_m, XML_sub);
+                HandleNode( subsup->GetSubSup( CSUB ), nLevel + 1 );
+                m_pSerializer->endElementNS( XML_m, XML_sub );
+            }
+            if( subsup == nullptr || subsup->GetSubSup( CSUP ) == nullptr )
+                m_pSerializer->singleElementNS(XML_m, XML_sup);
+            else
+            {
+                m_pSerializer->startElementNS(XML_m, XML_sup);
+                HandleNode( subsup->GetSubSup( CSUP ), nLevel + 1 );
+                m_pSerializer->endElementNS( XML_m, XML_sup );
+            }
+            m_pSerializer->startElementNS(XML_m, XML_e);
+            HandleNode( pNode->GetSubNode( 1 ), nLevel + 1 ); // body
+            m_pSerializer->endElementNS( XML_m, XML_e );
+            m_pSerializer->endElementNS( XML_m, XML_nary );
+            break;
+        }
+        case TLIM:
+            m_pSerializer->startElementNS(XML_m, XML_func);
+            m_pSerializer->startElementNS(XML_m, XML_fName);
+            m_pSerializer->startElementNS(XML_m, XML_limLow);
+            m_pSerializer->startElementNS(XML_m, XML_e);
+            HandleNode( pNode->GetSymbol(), nLevel + 1 );
+            m_pSerializer->endElementNS( XML_m, XML_e );
+            m_pSerializer->startElementNS(XML_m, XML_lim);
+            if( const SmSubSupNode* subsup = pNode->GetSubNode( 0 )->GetType() == SmNodeType::SubSup
+                ? static_cast< const SmSubSupNode* >( pNode->GetSubNode( 0 )) : nullptr )
+            {
+                if( subsup->GetSubSup( CSUB ) != nullptr )
+                    HandleNode( subsup->GetSubSup( CSUB ), nLevel + 1 );
+            }
+            m_pSerializer->endElementNS( XML_m, XML_lim );
+            m_pSerializer->endElementNS( XML_m, XML_limLow );
+            m_pSerializer->endElementNS( XML_m, XML_fName );
+            m_pSerializer->startElementNS(XML_m, XML_e);
+            HandleNode( pNode->GetSubNode( 1 ), nLevel + 1 ); // body
+            m_pSerializer->endElementNS( XML_m, XML_e );
+            m_pSerializer->endElementNS( XML_m, XML_func );
+            break;
+        default:
+            SAL_WARN("starmath.ooxml", "Unhandled operation");
+            HandleAllSubNodes( pNode, nLevel );
+            break;
+    }
+}
+
+void SmOoxmlExport::HandleSubSupScriptInternal( const SmSubSupNode* pNode, int nLevel, int flags )
+{
+// docx supports only a certain combination of sub/super scripts, but LO can have any,
+// so try to merge it using several tags if necessary
+    if( flags == 0 ) // none
+        return;
+    if(( flags & ( 1 << RSUP | 1 << RSUB )) == ( 1 << RSUP | 1 << RSUB ))
+    { // m:sSubSup
+        m_pSerializer->startElementNS(XML_m, XML_sSubSup);
+        m_pSerializer->startElementNS(XML_m, XML_e);
+        flags &= ~( 1 << RSUP | 1 << RSUB );
+        if( flags == 0 )
+            HandleNode( pNode->GetBody(), nLevel + 1 );
+        else
+            HandleSubSupScriptInternal( pNode, nLevel, flags );
+        m_pSerializer->endElementNS( XML_m, XML_e );
+        m_pSerializer->startElementNS(XML_m, XML_sub);
+        HandleNode( pNode->GetSubSup( RSUB ), nLevel + 1 );
+        m_pSerializer->endElementNS( XML_m, XML_sub );
+        m_pSerializer->startElementNS(XML_m, XML_sup);
+        HandleNode( pNode->GetSubSup( RSUP ), nLevel + 1 );
+        m_pSerializer->endElementNS( XML_m, XML_sup );
+        m_pSerializer->endElementNS( XML_m, XML_sSubSup );
+    }
+    else if(( flags & ( 1 << RSUB )) == 1 << RSUB )
+    { // m:sSub
+        m_pSerializer->startElementNS(XML_m, XML_sSub);
+        m_pSerializer->startElementNS(XML_m, XML_e);
+        flags &= ~( 1 << RSUB );
+        if( flags == 0 )
+            HandleNode( pNode->GetBody(), nLevel + 1 );
+        else
+            HandleSubSupScriptInternal( pNode, nLevel, flags );
+        m_pSerializer->endElementNS( XML_m, XML_e );
+        m_pSerializer->startElementNS(XML_m, XML_sub);
+        HandleNode( pNode->GetSubSup( RSUB ), nLevel + 1 );
+        m_pSerializer->endElementNS( XML_m, XML_sub );
+        m_pSerializer->endElementNS( XML_m, XML_sSub );
+    }
+    else if(( flags & ( 1 << RSUP )) == 1 << RSUP )
+    { // m:sSup
+        m_pSerializer->startElementNS(XML_m, XML_sSup);
+        m_pSerializer->startElementNS(XML_m, XML_e);
+        flags &= ~( 1 << RSUP );
+        if( flags == 0 )
+            HandleNode( pNode->GetBody(), nLevel + 1 );
+        else
+            HandleSubSupScriptInternal( pNode, nLevel, flags );
+        m_pSerializer->endElementNS( XML_m, XML_e );
+        m_pSerializer->startElementNS(XML_m, XML_sup);
+        HandleNode( pNode->GetSubSup( RSUP ), nLevel + 1 );
+        m_pSerializer->endElementNS( XML_m, XML_sup );
+        m_pSerializer->endElementNS( XML_m, XML_sSup );
+    }
+    else if(( flags & ( 1 << LSUP | 1 << LSUB )) == ( 1 << LSUP | 1 << LSUB ))
+    { // m:sPre
+        m_pSerializer->startElementNS(XML_m, XML_sPre);
+        m_pSerializer->startElementNS(XML_m, XML_sub);
+        HandleNode( pNode->GetSubSup( LSUB ), nLevel + 1 );
+        m_pSerializer->endElementNS( XML_m, XML_sub );
+        m_pSerializer->startElementNS(XML_m, XML_sup);
+        HandleNode( pNode->GetSubSup( LSUP ), nLevel + 1 );
+        m_pSerializer->endElementNS( XML_m, XML_sup );
+        m_pSerializer->startElementNS(XML_m, XML_e);
+        flags &= ~( 1 << LSUP | 1 << LSUB );
+        if( flags == 0 )
+            HandleNode( pNode->GetBody(), nLevel + 1 );
+        else
+            HandleSubSupScriptInternal( pNode, nLevel, flags );
+        m_pSerializer->endElementNS( XML_m, XML_e );
+        m_pSerializer->endElementNS( XML_m, XML_sPre );
+    }
+    else if(( flags & ( 1 << CSUB )) == ( 1 << CSUB ))
+    { // m:limLow looks like a good element for central superscript
+        m_pSerializer->startElementNS(XML_m, XML_limLow);
+        m_pSerializer->startElementNS(XML_m, XML_e);
+        flags &= ~( 1 << CSUB );
+        if( flags == 0 )
+            HandleNode( pNode->GetBody(), nLevel + 1 );
+        else
+            HandleSubSupScriptInternal( pNode, nLevel, flags );
+        m_pSerializer->endElementNS( XML_m, XML_e );
+        m_pSerializer->startElementNS(XML_m, XML_lim);
+        HandleNode( pNode->GetSubSup( CSUB ), nLevel + 1 );
+        m_pSerializer->endElementNS( XML_m, XML_lim );
+        m_pSerializer->endElementNS( XML_m, XML_limLow );
+    }
+    else if(( flags & ( 1 << CSUP )) == ( 1 << CSUP ))
+    { // m:limUpp looks like a good element for central superscript
+        m_pSerializer->startElementNS(XML_m, XML_limUpp);
+        m_pSerializer->startElementNS(XML_m, XML_e);
+        flags &= ~( 1 << CSUP );
+        if( flags == 0 )
+            HandleNode( pNode->GetBody(), nLevel + 1 );
+        else
+            HandleSubSupScriptInternal( pNode, nLevel, flags );
+        m_pSerializer->endElementNS( XML_m, XML_e );
+        m_pSerializer->startElementNS(XML_m, XML_lim);
+        HandleNode( pNode->GetSubSup( CSUP ), nLevel + 1 );
+        m_pSerializer->endElementNS( XML_m, XML_lim );
+        m_pSerializer->endElementNS( XML_m, XML_limUpp );
+    }
+    else
+    {
+        SAL_WARN("starmath.ooxml", "Unhandled sub/sup combination");
+        // TODO do not do anything, this should be probably an assert()
+        // HandleAllSubNodes( pNode, nLevel );
+    }
+}
+
+void SmOoxmlExport::HandleMatrix( const SmMatrixNode* pNode, int nLevel )
+{
+    m_pSerializer->startElementNS(XML_m, XML_m);
+    for (size_t row = 0; row < pNode->GetNumRows(); ++row)
+    {
+        m_pSerializer->startElementNS(XML_m, XML_mr);
+        for (size_t col = 0; col < pNode->GetNumCols(); ++col)
+        {
+            m_pSerializer->startElementNS(XML_m, XML_e);
+            if( const SmNode* node = pNode->GetSubNode( row * pNode->GetNumCols() + col ))
+                HandleNode( node, nLevel + 1 );
+            m_pSerializer->endElementNS( XML_m, XML_e );
+        }
+        m_pSerializer->endElementNS( XML_m, XML_mr );
+    }
+    m_pSerializer->endElementNS( XML_m, XML_m );
+}
+
+void SmOoxmlExport::HandleBrace( const SmBraceNode* pNode, int nLevel )
+{
+    m_pSerializer->startElementNS(XML_m, XML_d);
+    m_pSerializer->startElementNS(XML_m, XML_dPr);
+
+    //check if the node has an opening brace
+    if( TNONE == pNode->OpeningBrace()->GetToken().eType )
+        m_pSerializer->singleElementNS(XML_m, XML_begChr, FSNS(XML_m, XML_val), "");
+    else
+        m_pSerializer->singleElementNS( XML_m, XML_begChr,
+            FSNS( XML_m, XML_val ), mathSymbolToString( pNode->OpeningBrace()) );
+
+    std::vector< const SmNode* > subnodes;
+    if( pNode->Body()->GetType() == SmNodeType::Bracebody )
+    {
+        const SmBracebodyNode* body = static_cast< const SmBracebodyNode* >( pNode->Body());
+        bool separatorWritten = false; // assume all separators are the same
+        for (size_t i = 0; i < body->GetNumSubNodes(); ++i)
+        {
+            const SmNode* subnode = body->GetSubNode( i );
+            if (subnode->GetType() == SmNodeType::Math || subnode->GetType() == SmNodeType::MathIdent)
+            { // do not write, but write what separator it is
+                const SmMathSymbolNode* math = static_cast< const SmMathSymbolNode* >( subnode );
+                if( !separatorWritten )
+                {
+                    m_pSerializer->singleElementNS( XML_m, XML_sepChr,
+                        FSNS( XML_m, XML_val ), mathSymbolToString(math) );
+                    separatorWritten = true;
+                }
+            }
+            else
+                subnodes.push_back( subnode );
+        }
+    }
+    else
+        subnodes.push_back( pNode->Body());
+
+    if( TNONE == pNode->ClosingBrace()->GetToken().eType )
+        m_pSerializer->singleElementNS(XML_m, XML_endChr, FSNS(XML_m, XML_val), "");
+    else
+        m_pSerializer->singleElementNS( XML_m, XML_endChr,
+            FSNS( XML_m, XML_val ), mathSymbolToString(pNode->ClosingBrace()) );
+
+    m_pSerializer->endElementNS( XML_m, XML_dPr );
+    for(const SmNode* subnode : subnodes)
+    {
+        m_pSerializer->startElementNS(XML_m, XML_e);
+        HandleNode( subnode, nLevel + 1 );
+        m_pSerializer->endElementNS( XML_m, XML_e );
+    }
+    m_pSerializer->endElementNS( XML_m, XML_d );
+}
+
+void SmOoxmlExport::HandleVerticalBrace( const SmVerticalBraceNode* pNode, int nLevel )
+{
+    SAL_INFO( "starmath.ooxml", "Vertical: " << int( pNode->GetToken().eType ));
+    switch( pNode->GetToken().eType )
+    {
+        case TOVERBRACE:
+        case TUNDERBRACE:
+        {
+            bool top = ( pNode->GetToken().eType == TOVERBRACE );
+            m_pSerializer->startElementNS(XML_m, top ? XML_limUpp : XML_limLow);
+            m_pSerializer->startElementNS(XML_m, XML_e);
+            m_pSerializer->startElementNS(XML_m, XML_groupChr);
+            m_pSerializer->startElementNS(XML_m, XML_groupChrPr);
+            m_pSerializer->singleElementNS( XML_m, XML_chr,
+                FSNS( XML_m, XML_val ), mathSymbolToString(pNode->Brace()) );
+            // TODO not sure if pos and vertJc are correct
+            m_pSerializer->singleElementNS( XML_m, XML_pos,
+                FSNS( XML_m, XML_val ), top ? "top" : "bot" );
+            m_pSerializer->singleElementNS(XML_m, XML_vertJc, FSNS(XML_m, XML_val),
+                                           top ? "bot" : "top");
+            m_pSerializer->endElementNS( XML_m, XML_groupChrPr );
+            m_pSerializer->startElementNS(XML_m, XML_e);
+            HandleNode( pNode->Body(), nLevel + 1 );
+            m_pSerializer->endElementNS( XML_m, XML_e );
+            m_pSerializer->endElementNS( XML_m, XML_groupChr );
+            m_pSerializer->endElementNS( XML_m, XML_e );
+            m_pSerializer->startElementNS(XML_m, XML_lim);
+            HandleNode( pNode->Script(), nLevel + 1 );
+            m_pSerializer->endElementNS( XML_m, XML_lim );
+            m_pSerializer->endElementNS( XML_m, top ? XML_limUpp : XML_limLow );
+            break;
+        }
+        default:
+            SAL_WARN("starmath.ooxml", "Unhandled vertical brace");
+            HandleAllSubNodes( pNode, nLevel );
+            break;
+    }
+}
+
+void SmOoxmlExport::HandleBlank()
+{
+    m_pSerializer->startElementNS(XML_m, XML_r);
+    m_pSerializer->startElementNS(XML_m, XML_t, FSNS(XML_xml, XML_space), "preserve");
+    m_pSerializer->write( " " );
+    m_pSerializer->endElementNS( XML_m, XML_t );
+    m_pSerializer->endElementNS( XML_m, XML_r );
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/ooxmlexport.hxx b/starmath/source/ooxmlexport.hxx
new file mode 100644
index 0000000000..cd2e9d4465
--- /dev/null
+++ b/starmath/source/ooxmlexport.hxx
@@ -0,0 +1,46 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include "wordexportbase.hxx"
+
+#include <sax/fshelper.hxx>
+#include <oox/core/filterbase.hxx>
+#include <oox/export/utils.hxx>
+
+/**
+ Class implementing writing of formulas to OOXML.
+ */
+class SmOoxmlExport : public SmWordExportBase
+{
+public:
+    SmOoxmlExport(const SmNode* pIn, oox::core::OoxmlVersion version,
+                  oox::drawingml::DocumentType documentType);
+    void ConvertFromStarMath(const ::sax_fastparser::FSHelperPtr& m_pSerializer, const sal_Int8);
+
+private:
+    void HandleVerticalStack(const SmNode* pNode, int nLevel) override;
+    void HandleText(const SmNode* pNode, int nLevel) override;
+    void HandleFractions(const SmNode* pNode, int nLevel, const char* type) override;
+    void HandleRoot(const SmRootNode* pNode, int nLevel) override;
+    void HandleAttribute(const SmAttributeNode* pNode, int nLevel) override;
+    void HandleOperator(const SmOperNode* pNode, int nLevel) override;
+    void HandleSubSupScriptInternal(const SmSubSupNode* pNode, int nLevel, int flags) override;
+    void HandleMatrix(const SmMatrixNode* pNode, int nLevel) override;
+    void HandleBrace(const SmBraceNode* pNode, int nLevel) override;
+    void HandleVerticalBrace(const SmVerticalBraceNode* pNode, int nLevel) override;
+    void HandleBlank() override;
+    ::sax_fastparser::FSHelperPtr m_pSerializer;
+    oox::core::OoxmlVersion version;
+    /// needed to determine markup for nested run properties
+    oox::drawingml::DocumentType const m_DocumentType;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/ooxmlimport.cxx b/starmath/source/ooxmlimport.cxx
new file mode 100644
index 0000000000..4023a5e652
--- /dev/null
+++ b/starmath/source/ooxmlimport.cxx
@@ -0,0 +1,685 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <sal/config.h>
+
+#include <string_view>
+
+#include "ooxmlimport.hxx"
+#include <types.hxx>
+
+#include <oox/mathml/importutils.hxx>
+#include <oox/token/namespaces.hxx>
+#include <rtl/ustring.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <sal/log.hxx>
+#include <o3tl/string_view.hxx>
+
+using namespace oox::formulaimport;
+
+/*
+The primary internal data structure for the formula is the text representation
+(the SmNode tree is built from it), so read data must be converted into this format.
+*/
+
+#define OPENING( token ) XML_STREAM_OPENING( token )
+#define CLOSING( token ) XML_STREAM_CLOSING( token )
+
+// TODO create IS_OPENING(), IS_CLOSING() instead of doing 'next == OPENING( next )' ?
+
+SmOoxmlImport::SmOoxmlImport( oox::formulaimport::XmlStream& s )
+    : m_rStream( s )
+{
+}
+
+OUString SmOoxmlImport::ConvertToStarMath()
+{
+    return handleStream();
+}
+
+// "toplevel" of reading, there will be oMath (if there was oMathPara, that was
+// up to the parent component to handle)
+
+// NOT complete
+OUString SmOoxmlImport::handleStream()
+{
+    m_rStream.ensureOpeningTag( M_TOKEN( oMath ));
+    OUStringBuffer ret;
+    while( !m_rStream.atEnd() && m_rStream.currentToken() != CLOSING( M_TOKEN( oMath )))
+    {
+        // strictly speaking, it is not OMathArg here, but currently supported
+        // functionality is the same like OMathArg, in the future this may need improving
+        OUString item = readOMathArg( M_TOKEN( oMath ));
+        if( item.isEmpty())
+            continue;
+        if( !ret.isEmpty())
+            ret.append(" ");
+        ret.append(item);
+    }
+    m_rStream.ensureClosingTag( M_TOKEN( oMath ));
+    // Placeholders are written out as nothing (i.e. nothing inside e.g. the <e> element),
+    // which will result in "{}" in the formula text. Fix this up.
+    OUString ret2 = ret.makeStringAndClear().replaceAll( "{}", "<?>" );
+    // And as a result, empty parts of the formula that are not placeholders are written out
+    // as a single space, so fix that up too.
+    ret2 = ret2.replaceAll( "{ }", "{}" );
+    SAL_INFO( "starmath.ooxml", "Formula: " << ret2 );
+    return ret2;
+}
+
+OUString SmOoxmlImport::readOMathArg( int stoptoken )
+{
+    OUStringBuffer ret;
+    while( !m_rStream.atEnd() && m_rStream.currentToken() != CLOSING( stoptoken ))
+    {
+        if( !ret.isEmpty())
+            ret.append(" ");
+        switch( m_rStream.currentToken())
+        {
+            case OPENING( M_TOKEN( acc )):
+                ret.append(handleAcc());
+                break;
+            case OPENING( M_TOKEN( bar )):
+                ret.append(handleBar());
+                break;
+            case OPENING( M_TOKEN( box )):
+                ret.append(handleBox());
+                break;
+            case OPENING( M_TOKEN( borderBox )):
+                ret.append(handleBorderBox());
+                break;
+            case OPENING( M_TOKEN( d )):
+                ret.append(handleD());
+                break;
+            case OPENING( M_TOKEN( eqArr )):
+                ret.append(handleEqArr());
+                break;
+            case OPENING( M_TOKEN( f )):
+                ret.append(handleF());
+                break;
+            case OPENING( M_TOKEN( func )):
+                ret.append(handleFunc());
+                break;
+            case OPENING( M_TOKEN( limLow )):
+                ret.append(handleLimLowUpp( LimLow ));
+                break;
+            case OPENING( M_TOKEN( limUpp )):
+                ret.append(handleLimLowUpp( LimUpp ));
+                break;
+            case OPENING( M_TOKEN( groupChr )):
+                ret.append(handleGroupChr());
+                break;
+            case OPENING( M_TOKEN( m )):
+                ret.append(handleM());
+                break;
+            case OPENING( M_TOKEN( nary )):
+                ret.append(handleNary());
+                break;
+            case OPENING( M_TOKEN( r )):
+                ret.append(handleR());
+                break;
+            case OPENING( M_TOKEN( rad )):
+                ret.append(handleRad());
+                break;
+            case OPENING( M_TOKEN( sPre )):
+                ret.append(handleSpre());
+                break;
+            case OPENING( M_TOKEN( sSub )):
+                ret.append(handleSsub());
+                break;
+            case OPENING( M_TOKEN( sSubSup )):
+                ret.append(handleSsubsup());
+                break;
+            case OPENING( M_TOKEN( sSup )):
+                ret.append(handleSsup());
+                break;
+            default:
+                m_rStream.handleUnexpectedTag();
+                break;
+        }
+    }
+    return ret.makeStringAndClear();
+}
+
+OUString SmOoxmlImport::readOMathArgInElement( int token )
+{
+    m_rStream.ensureOpeningTag( token );
+    OUString ret = readOMathArg( token );
+    m_rStream.ensureClosingTag( token );
+    return ret;
+}
+
+OUString SmOoxmlImport::handleAcc()
+{
+    m_rStream.ensureOpeningTag( M_TOKEN( acc ));
+    sal_Unicode accChr = 0x302;
+    if( XmlStream::Tag accPr = m_rStream.checkOpeningTag( M_TOKEN( accPr )))
+    {
+        if( XmlStream::Tag chr = m_rStream.checkOpeningTag( M_TOKEN( chr )))
+        {
+            accChr = chr.attribute( M_TOKEN( val ), accChr );
+            m_rStream.ensureClosingTag( M_TOKEN( chr ));
+        }
+        m_rStream.ensureClosingTag( M_TOKEN( accPr ));
+    }
+    // see aTokenTable in parse.cxx
+    OUString acc;
+    switch( accChr )
+    {
+        case MS_BAR:
+        case MS_COMBBAR:
+            acc = "bar";
+            break;
+        case MS_CHECK:
+        case MS_COMBCHECK:
+            acc = "check";
+            break;
+        case MS_ACUTE:
+        case MS_COMBACUTE:
+            acc = "acute";
+            break;
+        case MS_COMBOVERLINE:
+            acc = "overline";
+            break;
+        case MS_GRAVE:
+        case MS_COMBGRAVE:
+            acc = "grave";
+            break;
+        case MS_BREVE:
+        case MS_COMBBREVE:
+            acc = "breve";
+            break;
+        case MS_CIRCLE:
+        case MS_COMBCIRCLE:
+            acc = "circle";
+            break;
+        case MS_RIGHTARROW:
+        case MS_VEC:
+            // prefer wide variants for these 3, .docx can't seem to differentiate
+            // between e.g. 'vec' and 'widevec', if whatever the accent is above is short, this
+            // shouldn't matter, but short above a longer expression doesn't look right
+            acc = "widevec";
+            break;
+        case MS_HARPOON:
+            acc = "wideharpoon";
+            break;
+        case MS_TILDE:
+        case MS_COMBTILDE:
+            acc = "widetilde";
+            break;
+        case MS_HAT:
+        case MS_COMBHAT:
+            acc = "widehat";
+            break;
+        case MS_DOT:
+        case MS_COMBDOT:
+            acc = "dot";
+            break;
+        case MS_DDOT:
+        case MS_COMBDDOT:
+            acc = "ddot";
+            break;
+        case MS_DDDOT:
+            acc = "dddot";
+            break;
+        default:
+            acc = "acute";
+            SAL_WARN( "starmath.ooxml", "Unknown m:chr in m:acc \'" << OUString(accChr) << "\'" );
+            break;
+    }
+    OUString e = readOMathArgInElement( M_TOKEN( e ));
+    m_rStream.ensureClosingTag( M_TOKEN( acc ));
+    return acc + " {" + e + "}";
+}
+
+OUString SmOoxmlImport::handleBar()
+{
+    m_rStream.ensureOpeningTag( M_TOKEN( bar ));
+    enum pos_t { top, bot } topbot = bot;
+    if( m_rStream.checkOpeningTag( M_TOKEN( barPr )))
+    {
+        if( XmlStream::Tag pos = m_rStream.checkOpeningTag( M_TOKEN( pos )))
+        {
+            if( pos.attribute( M_TOKEN( val )) == "top" )
+                topbot = top;
+            else if( pos.attribute( M_TOKEN( val )) == "bot" )
+                topbot = bot;
+            m_rStream.ensureClosingTag( M_TOKEN( pos ));
+        }
+        m_rStream.ensureClosingTag( M_TOKEN( barPr ));
+    }
+    OUString e = readOMathArgInElement( M_TOKEN( e ));
+    m_rStream.ensureClosingTag( M_TOKEN( bar ));
+    if( topbot == top )
+        return "overline {" + e + "}";
+    else
+        return "underline {" + e + "}";
+}
+
+OUString SmOoxmlImport::handleBox()
+{
+    // there does not seem to be functionality in LO to actually implement this
+    // (or is there), but at least read in the contents instead of ignoring them
+    m_rStream.ensureOpeningTag( M_TOKEN( box ));
+    OUString e = readOMathArgInElement( M_TOKEN( e ));
+    m_rStream.ensureClosingTag( M_TOKEN( box ));
+    return e;
+}
+
+
+OUString SmOoxmlImport::handleBorderBox()
+{
+    m_rStream.ensureOpeningTag( M_TOKEN( borderBox ));
+    bool isStrikeH = false;
+    if( m_rStream.checkOpeningTag( M_TOKEN( borderBoxPr )))
+    {
+        if( XmlStream::Tag strikeH = m_rStream.checkOpeningTag( M_TOKEN( strikeH )))
+        {
+            if( strikeH.attribute( M_TOKEN( val ), false ))
+                isStrikeH = true;
+            m_rStream.ensureClosingTag( M_TOKEN( strikeH ));
+        }
+        m_rStream.ensureClosingTag( M_TOKEN( borderBoxPr ));
+    }
+    OUString e = readOMathArgInElement( M_TOKEN( e ));
+    m_rStream.ensureClosingTag( M_TOKEN( borderBox ));
+    if( isStrikeH )
+        return "overstrike {" + e + "}";
+    // LO does not seem to implement anything for handling the other cases
+    return e;
+}
+
+OUString SmOoxmlImport::handleD()
+{
+    m_rStream.ensureOpeningTag( M_TOKEN( d ));
+    OUString opening = "(";
+    OUString closing = ")";
+    OUString separator = "|";
+    if( XmlStream::Tag dPr = m_rStream.checkOpeningTag( M_TOKEN( dPr )))
+    {
+        if( XmlStream::Tag begChr = m_rStream.checkOpeningTag( M_TOKEN( begChr )))
+        {
+            opening = begChr.attribute( M_TOKEN( val ), opening );
+            m_rStream.ensureClosingTag( M_TOKEN( begChr ));
+        }
+        if( XmlStream::Tag sepChr = m_rStream.checkOpeningTag( M_TOKEN( sepChr )))
+        {
+            separator = sepChr.attribute( M_TOKEN( val ), separator );
+            m_rStream.ensureClosingTag( M_TOKEN( sepChr ));
+        }
+        if( XmlStream::Tag endChr = m_rStream.checkOpeningTag( M_TOKEN( endChr )))
+        {
+            closing = endChr.attribute( M_TOKEN( val ), closing );
+            m_rStream.ensureClosingTag( M_TOKEN( endChr ));
+        }
+        m_rStream.ensureClosingTag( M_TOKEN( dPr ));
+    }
+    if( opening == "{" )
+        opening = "left lbrace ";
+    if( closing == "}" )
+        closing = " right rbrace";
+    if( opening == u"\u27e6" )
+        opening = "left ldbracket ";
+    if( closing == u"\u27e7" )
+        closing = " right rdbracket";
+    if( opening == "|" )
+        opening = "left lline ";
+    if( closing == "|" )
+        closing = " right rline";
+    if (opening == OUStringChar(MS_DLINE)
+        || opening == OUStringChar(MS_DVERTLINE))
+        opening = "left ldline ";
+    if (closing == OUStringChar(MS_DLINE)
+        || closing == OUStringChar(MS_DVERTLINE))
+        closing = " right rdline";
+    if (opening == OUStringChar(MS_LANGLE)
+        || opening == OUStringChar(MS_LMATHANGLE))
+        opening = "left langle ";
+    if (closing == OUStringChar(MS_RANGLE)
+        || closing == OUStringChar(MS_RMATHANGLE))
+        closing = " right rangle";
+    // use scalable brackets (the explicit "left" or "right")
+    if( opening == "(" || opening == "[" )
+        opening = "left " + opening;
+    if( closing == ")" || closing == "]" )
+        closing = " right " + closing;
+    if( separator == "|" ) // plain "|" would be actually "V" (logical or)
+        separator = " mline ";
+    if( opening.isEmpty())
+        opening = "left none ";
+    if( closing.isEmpty())
+        closing = " right none";
+    OUStringBuffer ret( opening );
+    bool first = true;
+    while( m_rStream.findTag( OPENING( M_TOKEN( e ))))
+    {
+        if( !first )
+            ret.append( separator );
+        first = false;
+        ret.append( readOMathArgInElement( M_TOKEN( e )));
+    }
+    ret.append( closing );
+    m_rStream.ensureClosingTag( M_TOKEN( d ));
+    return ret.makeStringAndClear();
+}
+
+OUString SmOoxmlImport::handleEqArr()
+{
+    m_rStream.ensureOpeningTag( M_TOKEN( eqArr ));
+    OUStringBuffer ret;
+    do
+    { // there must be at least one m:e
+        if( !ret.isEmpty())
+            ret.append("#");
+        ret.append(" "
+            + readOMathArgInElement( M_TOKEN( e ))
+            + " ");
+    } while( !m_rStream.atEnd() && m_rStream.findTag( OPENING( M_TOKEN( e ))));
+    m_rStream.ensureClosingTag( M_TOKEN( eqArr ));
+    return "stack {" + ret + "}";
+}
+
+OUString SmOoxmlImport::handleF()
+{
+    m_rStream.ensureOpeningTag( M_TOKEN( f ));
+    enum operation_t { bar, lin, noBar } operation = bar;
+    if( m_rStream.checkOpeningTag( M_TOKEN( fPr )))
+    {
+        if( XmlStream::Tag type = m_rStream.checkOpeningTag( M_TOKEN( type )))
+        {
+            if( type.attribute( M_TOKEN( val )) == "bar" )
+                operation = bar;
+            else if( type.attribute( M_TOKEN( val )) == "lin" )
+                operation = lin;
+            else if( type.attribute( M_TOKEN( val )) == "noBar" )
+                operation = noBar;
+            m_rStream.ensureClosingTag( M_TOKEN( type ));
+        }
+        m_rStream.ensureClosingTag( M_TOKEN( fPr ));
+    }
+    OUString num = readOMathArgInElement( M_TOKEN( num ));
+    OUString den = readOMathArgInElement( M_TOKEN( den ));
+    m_rStream.ensureClosingTag( M_TOKEN( f ));
+    if( operation == bar )
+        return "{" + num + "} over {" + den + "}";
+    else if( operation == lin )
+        return "{" + num + "} / {" + den + "}";
+    else // noBar
+    {
+        return "binom {" + num + "} {" + den + "}";
+    }
+}
+
+OUString SmOoxmlImport::handleFunc()
+{
+//lim from{x rightarrow 1} x
+    m_rStream.ensureOpeningTag( M_TOKEN( func ));
+    OUString fname = readOMathArgInElement( M_TOKEN( fName ));
+    // fix the various functions
+    if( fname.startsWith( "lim csub {" ))
+        fname = OUString::Concat("lim from {") + fname.subView( 10 );
+    OUString ret = fname + " {" + readOMathArgInElement( M_TOKEN( e )) + "}";
+    m_rStream.ensureClosingTag( M_TOKEN( func ));
+    return ret;
+}
+
+OUString SmOoxmlImport::handleLimLowUpp( LimLowUpp_t limlowupp )
+{
+    int token = limlowupp == LimLow ? M_TOKEN( limLow ) : M_TOKEN( limUpp );
+    m_rStream.ensureOpeningTag( token );
+    OUString e = readOMathArgInElement( M_TOKEN( e ));
+    OUString lim = readOMathArgInElement( M_TOKEN( lim ));
+    m_rStream.ensureClosingTag( token );
+    // fix up overbrace/underbrace  (use { }, as {} will be converted to a placeholder)
+    if( limlowupp == LimUpp && e.endsWith( " overbrace { }" ))
+        return e.subView( 0, e.getLength() - 2 ) + lim + "}";
+    if( limlowupp == LimLow && e.endsWith( " underbrace { }" ))
+        return e.subView( 0, e.getLength() - 2 ) + lim + "}";
+    return e
+        + ( limlowupp == LimLow
+            ? std::u16string_view( u" csub {" ) : std::u16string_view( u" csup {" ))
+        + lim + "}";
+}
+
+OUString SmOoxmlImport::handleGroupChr()
+{
+    m_rStream.ensureOpeningTag( M_TOKEN( groupChr ));
+    sal_Unicode chr = 0x23df;
+    enum pos_t { top, bot } pos = bot;
+    if( m_rStream.checkOpeningTag( M_TOKEN( groupChrPr )))
+    {
+        if( XmlStream::Tag chrTag = m_rStream.checkOpeningTag( M_TOKEN( chr )))
+        {
+            chr = chrTag.attribute( M_TOKEN( val ), chr );
+            m_rStream.ensureClosingTag( M_TOKEN( chr ));
+        }
+        if( XmlStream::Tag posTag = m_rStream.checkOpeningTag( M_TOKEN( pos )))
+        {
+            if( posTag.attribute( M_TOKEN( val ), OUString( "bot" )) == "top" )
+                pos = top;
+            m_rStream.ensureClosingTag( M_TOKEN( pos ));
+        }
+        m_rStream.ensureClosingTag( M_TOKEN( groupChrPr ));
+    }
+    OUString e = readOMathArgInElement( M_TOKEN( e ));
+    m_rStream.ensureClosingTag( M_TOKEN( groupChr ));
+    if( pos == top && chr == u'\x23de')
+        return "{" + e + "} overbrace { }";
+    if( pos == bot && chr == u'\x23df')
+        return "{" + e + "} underbrace { }";
+    if( pos == top )
+        return "{" + e + "} csup {" + OUStringChar( chr ) + "}";
+    else
+        return "{" + e + "} csub {" + OUStringChar( chr ) + "}";
+}
+
+OUString SmOoxmlImport::handleM()
+{
+    m_rStream.ensureOpeningTag( M_TOKEN( m ));
+    OUStringBuffer allrows;
+    do // there must be at least one m:mr
+    {
+        m_rStream.ensureOpeningTag( M_TOKEN( mr ));
+        OUStringBuffer row;
+        do // there must be at least one m:e
+        {
+            if( !row.isEmpty())
+                row.append(" # ");
+            row.append(readOMathArgInElement( M_TOKEN( e )));
+        } while( !m_rStream.atEnd() && m_rStream.findTag( OPENING( M_TOKEN( e ))));
+        if( !allrows.isEmpty())
+            allrows.append(" ## ");
+        allrows.append(row);
+        m_rStream.ensureClosingTag( M_TOKEN( mr ));
+    } while( !m_rStream.atEnd() && m_rStream.findTag( OPENING( M_TOKEN( mr ))));
+    m_rStream.ensureClosingTag( M_TOKEN( m ));
+    return "matrix {" + allrows + "}";
+}
+
+OUString SmOoxmlImport::handleNary()
+{
+    m_rStream.ensureOpeningTag( M_TOKEN( nary ));
+    sal_Unicode chr = 0x222b;
+    bool subHide = false;
+    bool supHide = false;
+    if( m_rStream.checkOpeningTag( M_TOKEN( naryPr )))
+    {
+        if( XmlStream::Tag chrTag = m_rStream.checkOpeningTag( M_TOKEN( chr )))
+        {
+            chr = chrTag.attribute( M_TOKEN( val ), chr );
+            m_rStream.ensureClosingTag( M_TOKEN( chr ));
+        }
+        if( XmlStream::Tag subHideTag = m_rStream.checkOpeningTag( M_TOKEN( subHide )))
+        {
+            subHide = subHideTag.attribute( M_TOKEN( val ), subHide );
+            m_rStream.ensureClosingTag( M_TOKEN( subHide ));
+        }
+        if( XmlStream::Tag supHideTag = m_rStream.checkOpeningTag( M_TOKEN( supHide )))
+        {
+            supHide = supHideTag.attribute( M_TOKEN( val ), supHide );
+            m_rStream.ensureClosingTag( M_TOKEN( supHide ));
+        }
+        m_rStream.ensureClosingTag( M_TOKEN( naryPr ));
+    }
+    OUString sub = readOMathArgInElement( M_TOKEN( sub ));
+    OUString sup = readOMathArgInElement( M_TOKEN( sup ));
+    OUString e = readOMathArgInElement( M_TOKEN( e ));
+    OUString ret;
+    switch( chr )
+    {
+        case MS_INT:
+            ret = "int";
+            break;
+        case MS_IINT:
+            ret = "iint";
+            break;
+        case MS_IIINT:
+            ret = "iiint";
+            break;
+        case MS_LINT:
+            ret = "lint";
+            break;
+        case MS_LLINT:
+            ret = "llint";
+            break;
+        case MS_LLLINT:
+            ret = "lllint";
+            break;
+        case MS_PROD:
+            ret = "prod";
+            break;
+        case MS_COPROD:
+            ret = "coprod";
+            break;
+        case MS_SUM:
+            ret = "sum";
+            break;
+        default:
+            SAL_WARN( "starmath.ooxml", "Unknown m:nary chr \'" << OUString(chr) << "\'" );
+            break;
+    }
+    if( !subHide )
+        ret += " from {" + sub + "}";
+    if( !supHide )
+        ret += " to {" + sup + "}";
+    ret += " {" + e + "}";
+    m_rStream.ensureClosingTag( M_TOKEN( nary ));
+    return ret;
+}
+
+// NOT complete
+OUString SmOoxmlImport::handleR()
+{
+    m_rStream.ensureOpeningTag( M_TOKEN( r ));
+    bool normal = false;
+    bool literal = false;
+    if( XmlStream::Tag rPr = m_rStream.checkOpeningTag( M_TOKEN( rPr )))
+    {
+        if( XmlStream::Tag litTag = m_rStream.checkOpeningTag( M_TOKEN( lit )))
+        {
+            literal = litTag.attribute( M_TOKEN( val ), true );
+            m_rStream.ensureClosingTag( M_TOKEN( lit ));
+        }
+        if( XmlStream::Tag norTag = m_rStream.checkOpeningTag( M_TOKEN( nor )))
+        {
+            normal = norTag.attribute( M_TOKEN( val ), true );
+            m_rStream.ensureClosingTag( M_TOKEN( nor ));
+        }
+        m_rStream.ensureClosingTag( M_TOKEN( rPr ));
+    }
+    OUStringBuffer text;
+    while( !m_rStream.atEnd() && m_rStream.currentToken() != CLOSING( m_rStream.currentToken()))
+    {
+        switch( m_rStream.currentToken())
+        {
+            case OPENING( M_TOKEN( t )):
+            {
+                XmlStream::Tag rtag = m_rStream.ensureOpeningTag( M_TOKEN( t ));
+                if( rtag.attribute( OOX_TOKEN( xml, space )) != "preserve" )
+                    text.append(o3tl::trim(rtag.text));
+                else
+                    text.append(rtag.text);
+                m_rStream.ensureClosingTag( M_TOKEN( t ));
+                break;
+            }
+            default:
+                m_rStream.handleUnexpectedTag();
+                break;
+        }
+    }
+    m_rStream.ensureClosingTag( M_TOKEN( r ));
+    if( normal || literal )
+    {
+        text.insert(0, "\"");
+        text.append("\"");
+    }
+    return text.makeStringAndClear().replaceAll("{", "\\{").replaceAll("}", "\\}");
+}
+
+OUString SmOoxmlImport::handleRad()
+{
+    m_rStream.ensureOpeningTag( M_TOKEN( rad ));
+    bool degHide = false;
+    if( m_rStream.checkOpeningTag( M_TOKEN( radPr )))
+    {
+        if( XmlStream::Tag degHideTag = m_rStream.checkOpeningTag( M_TOKEN( degHide )))
+        {
+            degHide = degHideTag.attribute( M_TOKEN( val ), degHide );
+            m_rStream.ensureClosingTag( M_TOKEN( degHide ));
+        }
+        m_rStream.ensureClosingTag( M_TOKEN( radPr ));
+    }
+    OUString deg = readOMathArgInElement( M_TOKEN( deg ));
+    OUString e = readOMathArgInElement( M_TOKEN( e ));
+    m_rStream.ensureClosingTag( M_TOKEN( rad ));
+    if( degHide )
+        return "sqrt {" + e + "}";
+    else
+        return "nroot {" + deg + "} {" + e + "}";
+}
+
+OUString SmOoxmlImport::handleSpre()
+{
+    m_rStream.ensureOpeningTag( M_TOKEN( sPre ));
+    OUString sub = readOMathArgInElement( M_TOKEN( sub ));
+    OUString sup = readOMathArgInElement( M_TOKEN( sup ));
+    OUString e = readOMathArgInElement( M_TOKEN( e ));
+    m_rStream.ensureClosingTag( M_TOKEN( sPre ));
+    return "{" + e + "} lsub {" + sub + "} lsup {" + sup + "}";
+}
+
+OUString SmOoxmlImport::handleSsub()
+{
+    m_rStream.ensureOpeningTag( M_TOKEN( sSub ));
+    OUString e = readOMathArgInElement( M_TOKEN( e ));
+    OUString sub = readOMathArgInElement( M_TOKEN( sub ));
+    m_rStream.ensureClosingTag( M_TOKEN( sSub ));
+    return "{" + e + "} rsub {" + sub + "}";
+}
+
+OUString SmOoxmlImport::handleSsubsup()
+{
+    m_rStream.ensureOpeningTag( M_TOKEN( sSubSup ));
+    OUString e = readOMathArgInElement( M_TOKEN( e ));
+    OUString sub = readOMathArgInElement( M_TOKEN( sub ));
+    OUString sup = readOMathArgInElement( M_TOKEN( sup ));
+    m_rStream.ensureClosingTag( M_TOKEN( sSubSup ));
+    return "{" + e + "} rsub {" + sub + "} rsup {" + sup + "}";
+}
+
+OUString SmOoxmlImport::handleSsup()
+{
+    m_rStream.ensureOpeningTag( M_TOKEN( sSup ));
+    OUString e = readOMathArgInElement( M_TOKEN( e ));
+    OUString sup = readOMathArgInElement( M_TOKEN( sup ));
+    m_rStream.ensureClosingTag( M_TOKEN( sSup ));
+    return "{" + e + "} ^ {" + sup + "}";
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/ooxmlimport.hxx b/starmath/source/ooxmlimport.hxx
new file mode 100644
index 0000000000..4f8df14bfd
--- /dev/null
+++ b/starmath/source/ooxmlimport.hxx
@@ -0,0 +1,51 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include <rtl/ustring.hxx>
+
+namespace oox::formulaimport { class XmlStream; }
+/**
+ Class implementing reading of formulas from OOXML. The toplevel element is expected
+ to be oMath (handle oMathPara outside of this code).
+ */
+class SmOoxmlImport
+{
+public:
+    explicit SmOoxmlImport( oox::formulaimport::XmlStream& stream );
+    OUString ConvertToStarMath();
+private:
+    OUString handleStream();
+    OUString handleAcc();
+    OUString handleBar();
+    OUString handleBox();
+    OUString handleBorderBox();
+    OUString handleD();
+    OUString handleEqArr();
+    OUString handleF();
+    OUString handleFunc();
+    enum LimLowUpp_t { LimLow, LimUpp };
+    OUString handleLimLowUpp( LimLowUpp_t limlowupp );
+    OUString handleGroupChr();
+    OUString handleM();
+    OUString handleNary();
+    OUString handleR();
+    OUString handleRad();
+    OUString handleSpre();
+    OUString handleSsub();
+    OUString handleSsubsup();
+    OUString handleSsup();
+    OUString readOMathArg( int stoptoken );
+    OUString readOMathArgInElement( int token );
+
+    oox::formulaimport::XmlStream& m_rStream;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/parse.cxx b/starmath/source/parse.cxx
new file mode 100644
index 0000000000..66daec9d24
--- /dev/null
+++ b/starmath/source/parse.cxx
@@ -0,0 +1,52 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <parse.hxx>
+#include <parse5.hxx>
+#include <smmod.hxx>
+#include <cfgitem.hxx>
+
+AbstractSmParser* starmathdatabase::GetDefaultSmParser()
+{
+    switch(SM_MOD()->GetConfig()->GetDefaultSmSyntaxVersion())
+    {
+    case 5:
+    {
+        AbstractSmParser* aParser = new SmParser5();
+        return aParser;
+    }
+    default:
+        throw std::range_error("parser version limit");
+    }
+}
+
+AbstractSmParser* starmathdatabase::GetVersionSmParser(sal_uInt16 nVersion)
+{
+    switch(nVersion)
+    {
+    case 5:
+    {
+        AbstractSmParser* aParser = new SmParser5();
+        return aParser;
+    }
+    default:
+        throw std::range_error("parser version limit");
+    }
+}
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/parse5.cxx b/starmath/source/parse5.cxx
new file mode 100644
index 0000000000..8f2815c3c3
--- /dev/null
+++ b/starmath/source/parse5.cxx
@@ -0,0 +1,2823 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <com/sun/star/i18n/UnicodeType.hpp>
+#include <com/sun/star/i18n/KParseTokens.hpp>
+#include <com/sun/star/i18n/KParseType.hpp>
+#include <i18nlangtag/lang.h>
+#include <tools/lineend.hxx>
+#include <unotools/configmgr.hxx>
+#include <unotools/syslocale.hxx>
+#include <osl/diagnose.h>
+#include <rtl/character.hxx>
+#include <parse5.hxx>
+#include <strings.hrc>
+#include <smmod.hxx>
+#include <symbol.hxx>
+#include <cfgitem.hxx>
+#include <starmathdatabase.hxx>
+
+#include <stack>
+
+using namespace ::com::sun::star::i18n;
+
+//Definition of math keywords
+const SmTokenTableEntry aTokenTable[]
+    = { { u"abs"_ustr, TABS, '\0', TG::UnOper, 13 },
+        { u"acute"_ustr, TACUTE, MS_ACUTE, TG::Attribute, 5 },
+        { u"aleph"_ustr, TALEPH, MS_ALEPH, TG::Standalone, 5 },
+        { u"alignb"_ustr, TALIGNC, '\0', TG::Align, 0 },
+        { u"alignc"_ustr, TALIGNC, '\0', TG::Align, 0 },
+        { u"alignl"_ustr, TALIGNL, '\0', TG::Align, 0 },
+        { u"alignm"_ustr, TALIGNC, '\0', TG::Align, 0 },
+        { u"alignr"_ustr, TALIGNR, '\0', TG::Align, 0 },
+        { u"alignt"_ustr, TALIGNC, '\0', TG::Align, 0 },
+        { u"and"_ustr, TAND, MS_AND, TG::Product, 0 },
+        { u"approx"_ustr, TAPPROX, MS_APPROX, TG::Relation, 0 },
+        { u"arccos"_ustr, TACOS, '\0', TG::Function, 5 },
+        { u"arccot"_ustr, TACOT, '\0', TG::Function, 5 },
+        { u"arcosh"_ustr, TACOSH, '\0', TG::Function, 5 },
+        { u"arcoth"_ustr, TACOTH, '\0', TG::Function, 5 },
+        { u"arcsin"_ustr, TASIN, '\0', TG::Function, 5 },
+        { u"arctan"_ustr, TATAN, '\0', TG::Function, 5 },
+        { u"arsinh"_ustr, TASINH, '\0', TG::Function, 5 },
+        { u"artanh"_ustr, TATANH, '\0', TG::Function, 5 },
+        { u"backepsilon"_ustr, TBACKEPSILON, MS_BACKEPSILON, TG::Standalone, 5 },
+        { u"bar"_ustr, TBAR, MS_BAR, TG::Attribute, 5 },
+        { u"binom"_ustr, TBINOM, '\0', TG::NONE, 5 },
+        { u"bold"_ustr, TBOLD, '\0', TG::FontAttr, 5 },
+        { u"boper"_ustr, TBOPER, '\0', TG::Product, 0 },
+        { u"breve"_ustr, TBREVE, MS_BREVE, TG::Attribute, 5 },
+        { u"bslash"_ustr, TBACKSLASH, MS_BACKSLASH, TG::Product, 0 },
+        { u"cdot"_ustr, TCDOT, MS_CDOT, TG::Product, 0 },
+        { u"check"_ustr, TCHECK, MS_CHECK, TG::Attribute, 5 },
+        { u"circ"_ustr, TCIRC, MS_CIRC, TG::Standalone, 5 },
+        { u"circle"_ustr, TCIRCLE, MS_CIRCLE, TG::Attribute, 5 },
+        { u"color"_ustr, TCOLOR, '\0', TG::FontAttr, 5 },
+        { u"coprod"_ustr, TCOPROD, MS_COPROD, TG::Oper, 5 },
+        { u"cos"_ustr, TCOS, '\0', TG::Function, 5 },
+        { u"cosh"_ustr, TCOSH, '\0', TG::Function, 5 },
+        { u"cot"_ustr, TCOT, '\0', TG::Function, 5 },
+        { u"coth"_ustr, TCOTH, '\0', TG::Function, 5 },
+        { u"csub"_ustr, TCSUB, '\0', TG::Power, 0 },
+        { u"csup"_ustr, TCSUP, '\0', TG::Power, 0 },
+        { u"dddot"_ustr, TDDDOT, MS_DDDOT, TG::Attribute, 5 },
+        { u"ddot"_ustr, TDDOT, MS_DDOT, TG::Attribute, 5 },
+        { u"def"_ustr, TDEF, MS_DEF, TG::Relation, 0 },
+        { u"div"_ustr, TDIV, MS_DIV, TG::Product, 0 },
+        { u"divides"_ustr, TDIVIDES, MS_LINE, TG::Relation, 0 },
+        { u"dlarrow"_ustr, TDLARROW, MS_DLARROW, TG::Standalone, 5 },
+        { u"dlrarrow"_ustr, TDLRARROW, MS_DLRARROW, TG::Standalone, 5 },
+        { u"dot"_ustr, TDOT, MS_DOT, TG::Attribute, 5 },
+        { u"dotsaxis"_ustr, TDOTSAXIS, MS_DOTSAXIS, TG::Standalone, 5 }, // 5 to continue expression
+        { u"dotsdiag"_ustr, TDOTSDIAG, MS_DOTSUP, TG::Standalone, 5 },
+        { u"dotsdown"_ustr, TDOTSDOWN, MS_DOTSDOWN, TG::Standalone, 5 },
+        { u"dotslow"_ustr, TDOTSLOW, MS_DOTSLOW, TG::Standalone, 5 },
+        { u"dotsup"_ustr, TDOTSUP, MS_DOTSUP, TG::Standalone, 5 },
+        { u"dotsvert"_ustr, TDOTSVERT, MS_DOTSVERT, TG::Standalone, 5 },
+        { u"downarrow"_ustr, TDOWNARROW, MS_DOWNARROW, TG::Standalone, 5 },
+        { u"drarrow"_ustr, TDRARROW, MS_DRARROW, TG::Standalone, 5 },
+        { u"emptyset"_ustr, TEMPTYSET, MS_EMPTYSET, TG::Standalone, 5 },
+        { u"equiv"_ustr, TEQUIV, MS_EQUIV, TG::Relation, 0 },
+        { u"evaluate"_ustr, TEVALUATE, '\0', TG::NONE, 0 },
+        { u"exists"_ustr, TEXISTS, MS_EXISTS, TG::Standalone, 5 },
+        { u"exp"_ustr, TEXP, '\0', TG::Function, 5 },
+        { u"fact"_ustr, TFACT, MS_FACT, TG::UnOper, 5 },
+        { u"fixed"_ustr, TFIXED, '\0', TG::Font, 0 },
+        { u"font"_ustr, TFONT, '\0', TG::FontAttr, 5 },
+        { u"forall"_ustr, TFORALL, MS_FORALL, TG::Standalone, 5 },
+        { u"fourier"_ustr, TFOURIER, MS_FOURIER, TG::Standalone, 5 },
+        { u"frac"_ustr, TFRAC, '\0', TG::NONE, 5 },
+        { u"from"_ustr, TFROM, '\0', TG::Limit, 0 },
+        { u"func"_ustr, TFUNC, '\0', TG::Function, 5 },
+        { u"ge"_ustr, TGE, MS_GE, TG::Relation, 0 },
+        { u"geslant"_ustr, TGESLANT, MS_GESLANT, TG::Relation, 0 },
+        { u"gg"_ustr, TGG, MS_GG, TG::Relation, 0 },
+        { u"grave"_ustr, TGRAVE, MS_GRAVE, TG::Attribute, 5 },
+        { u"gt"_ustr, TGT, MS_GT, TG::Relation, 0 },
+        { u"hadd"_ustr, THADD, MS_HADD, TG::Oper, 5 },
+        { u"harpoon"_ustr, THARPOON, MS_HARPOON, TG::Attribute, 5 },
+        { u"hat"_ustr, THAT, MS_HAT, TG::Attribute, 5 },
+        { u"hbar"_ustr, THBAR, MS_HBAR, TG::Standalone, 5 },
+        { u"hex"_ustr, THEX, '\0', TG::NONE, 5 },
+        { u"iiint"_ustr, TIIINT, MS_IIINT, TG::Oper, 5 },
+        { u"iint"_ustr, TIINT, MS_IINT, TG::Oper, 5 },
+        { u"im"_ustr, TIM, MS_IM, TG::Standalone, 5 },
+        { u"in"_ustr, TIN, MS_IN, TG::Relation, 0 },
+        { u"infinity"_ustr, TINFINITY, MS_INFINITY, TG::Standalone, 5 },
+        { u"infty"_ustr, TINFINITY, MS_INFINITY, TG::Standalone, 5 },
+        { u"int"_ustr, TINT, MS_INT, TG::Oper, 5 },
+        { u"intd"_ustr, TINTD, MS_INT, TG::Oper, 5 },
+        { u"intersection"_ustr, TINTERSECT, MS_INTERSECT, TG::Product, 0 },
+        { u"it"_ustr, TIT, '\0', TG::Product, 0 },
+        { u"ital"_ustr, TITALIC, '\0', TG::FontAttr, 5 },
+        { u"italic"_ustr, TITALIC, '\0', TG::FontAttr, 5 },
+        { u"lambdabar"_ustr, TLAMBDABAR, MS_LAMBDABAR, TG::Standalone, 5 },
+        { u"langle"_ustr, TLANGLE, MS_LMATHANGLE, TG::LBrace, 5 },
+        { u"laplace"_ustr, TLAPLACE, MS_LAPLACE, TG::Standalone, 5 },
+        { u"lbrace"_ustr, TLBRACE, MS_LBRACE, TG::LBrace, 5 },
+        { u"lceil"_ustr, TLCEIL, MS_LCEIL, TG::LBrace, 5 },
+        { u"ldbracket"_ustr, TLDBRACKET, MS_LDBRACKET, TG::LBrace, 5 },
+        { u"ldline"_ustr, TLDLINE, MS_DVERTLINE, TG::LBrace, 5 },
+        { u"le"_ustr, TLE, MS_LE, TG::Relation, 0 },
+        { u"left"_ustr, TLEFT, '\0', TG::NONE, 5 },
+        { u"leftarrow"_ustr, TLEFTARROW, MS_LEFTARROW, TG::Standalone, 5 },
+        { u"leslant"_ustr, TLESLANT, MS_LESLANT, TG::Relation, 0 },
+        { u"lfloor"_ustr, TLFLOOR, MS_LFLOOR, TG::LBrace, 5 },
+        { u"lim"_ustr, TLIM, '\0', TG::Oper, 5 },
+        { u"liminf"_ustr, TLIMINF, '\0', TG::Oper, 5 },
+        { u"limsup"_ustr, TLIMSUP, '\0', TG::Oper, 5 },
+        { u"lint"_ustr, TLINT, MS_LINT, TG::Oper, 5 },
+        { u"ll"_ustr, TLL, MS_LL, TG::Relation, 0 },
+        { u"lline"_ustr, TLLINE, MS_VERTLINE, TG::LBrace, 5 },
+        { u"llint"_ustr, TLLINT, MS_LLINT, TG::Oper, 5 },
+        { u"lllint"_ustr, TLLLINT, MS_LLLINT, TG::Oper, 5 },
+        { u"ln"_ustr, TLN, '\0', TG::Function, 5 },
+        { u"log"_ustr, TLOG, '\0', TG::Function, 5 },
+        { u"lrline"_ustr, TLRLINE, MS_VERTLINE, TG::LBrace | TG::RBrace, 5 },
+        { u"lrdline"_ustr, TLRDLINE, MS_VERTLINE, TG::LBrace | TG::RBrace, 5 },
+        { u"lsub"_ustr, TLSUB, '\0', TG::Power, 0 },
+        { u"lsup"_ustr, TLSUP, '\0', TG::Power, 0 },
+        { u"lt"_ustr, TLT, MS_LT, TG::Relation, 0 },
+        { u"maj"_ustr, TSUM, MS_MAJ, TG::Oper, 5 },
+        { u"matrix"_ustr, TMATRIX, '\0', TG::NONE, 5 },
+        { u"minusplus"_ustr, TMINUSPLUS, MS_MINUSPLUS, TG::UnOper | TG::Sum, 5 },
+        { u"mline"_ustr, TMLINE, MS_VERTLINE, TG::NONE, 0 }, //! not in TG::RBrace, Level 0
+        { u"nabla"_ustr, TNABLA, MS_NABLA, TG::Standalone, 5 },
+        { u"nbold"_ustr, TNBOLD, '\0', TG::FontAttr, 5 },
+        { u"ndivides"_ustr, TNDIVIDES, MS_NDIVIDES, TG::Relation, 0 },
+        { u"neg"_ustr, TNEG, MS_NEG, TG::UnOper, 5 },
+        { u"neq"_ustr, TNEQ, MS_NEQ, TG::Relation, 0 },
+        { u"newline"_ustr, TNEWLINE, '\0', TG::NONE, 0 },
+        { u"ni"_ustr, TNI, MS_NI, TG::Relation, 0 },
+        { u"nitalic"_ustr, TNITALIC, '\0', TG::FontAttr, 5 },
+        { u"none"_ustr, TNONE, '\0', TG::LBrace | TG::RBrace, 0 },
+        { u"nospace"_ustr, TNOSPACE, '\0', TG::Standalone, 5 },
+        { u"notexists"_ustr, TNOTEXISTS, MS_NOTEXISTS, TG::Standalone, 5 },
+        { u"notin"_ustr, TNOTIN, MS_NOTIN, TG::Relation, 0 },
+        { u"nprec"_ustr, TNOTPRECEDES, MS_NOTPRECEDES, TG::Relation, 0 },
+        { u"nroot"_ustr, TNROOT, MS_SQRT, TG::UnOper, 5 },
+        { u"nsubset"_ustr, TNSUBSET, MS_NSUBSET, TG::Relation, 0 },
+        { u"nsubseteq"_ustr, TNSUBSETEQ, MS_NSUBSETEQ, TG::Relation, 0 },
+        { u"nsucc"_ustr, TNOTSUCCEEDS, MS_NOTSUCCEEDS, TG::Relation, 0 },
+        { u"nsupset"_ustr, TNSUPSET, MS_NSUPSET, TG::Relation, 0 },
+        { u"nsupseteq"_ustr, TNSUPSETEQ, MS_NSUPSETEQ, TG::Relation, 0 },
+        { u"odivide"_ustr, TODIVIDE, MS_ODIVIDE, TG::Product, 0 },
+        { u"odot"_ustr, TODOT, MS_ODOT, TG::Product, 0 },
+        { u"ominus"_ustr, TOMINUS, MS_OMINUS, TG::Sum, 0 },
+        { u"oper"_ustr, TOPER, '\0', TG::Oper, 5 },
+        { u"oplus"_ustr, TOPLUS, MS_OPLUS, TG::Sum, 0 },
+        { u"or"_ustr, TOR, MS_OR, TG::Sum, 0 },
+        { u"ortho"_ustr, TORTHO, MS_ORTHO, TG::Relation, 0 },
+        { u"otimes"_ustr, TOTIMES, MS_OTIMES, TG::Product, 0 },
+        { u"over"_ustr, TOVER, '\0', TG::Product, 0 },
+        { u"overbrace"_ustr, TOVERBRACE, MS_OVERBRACE, TG::Product, 5 },
+        { u"overline"_ustr, TOVERLINE, '\0', TG::Attribute, 5 },
+        { u"overstrike"_ustr, TOVERSTRIKE, '\0', TG::Attribute, 5 },
+        { u"owns"_ustr, TNI, MS_NI, TG::Relation, 0 },
+        { u"parallel"_ustr, TPARALLEL, MS_DLINE, TG::Relation, 0 },
+        { u"partial"_ustr, TPARTIAL, MS_PARTIAL, TG::Standalone, 5 },
+        { u"phantom"_ustr, TPHANTOM, '\0', TG::FontAttr, 5 },
+        { u"plusminus"_ustr, TPLUSMINUS, MS_PLUSMINUS, TG::UnOper | TG::Sum, 5 },
+        { u"prec"_ustr, TPRECEDES, MS_PRECEDES, TG::Relation, 0 },
+        { u"preccurlyeq"_ustr, TPRECEDESEQUAL, MS_PRECEDESEQUAL, TG::Relation, 0 },
+        { u"precsim"_ustr, TPRECEDESEQUIV, MS_PRECEDESEQUIV, TG::Relation, 0 },
+        { u"prod"_ustr, TPROD, MS_PROD, TG::Oper, 5 },
+        { u"prop"_ustr, TPROP, MS_PROP, TG::Relation, 0 },
+        { u"rangle"_ustr, TRANGLE, MS_RMATHANGLE, TG::RBrace, 0 }, //! 0 to terminate expression
+        { u"rbrace"_ustr, TRBRACE, MS_RBRACE, TG::RBrace, 0 },
+        { u"rceil"_ustr, TRCEIL, MS_RCEIL, TG::RBrace, 0 },
+        { u"rdbracket"_ustr, TRDBRACKET, MS_RDBRACKET, TG::RBrace, 0 },
+        { u"rdline"_ustr, TRDLINE, MS_DVERTLINE, TG::RBrace, 0 },
+        { u"re"_ustr, TRE, MS_RE, TG::Standalone, 5 },
+        { u"rfloor"_ustr, TRFLOOR, MS_RFLOOR, TG::RBrace, 0 }, //! 0 to terminate expression
+        { u"right"_ustr, TRIGHT, '\0', TG::NONE, 0 },
+        { u"rightarrow"_ustr, TRIGHTARROW, MS_RIGHTARROW, TG::Standalone, 5 },
+        { u"rline"_ustr, TRLINE, MS_VERTLINE, TG::RBrace, 0 }, //! 0 to terminate expression
+        { u"rsub"_ustr, TRSUB, '\0', TG::Power, 0 },
+        { u"rsup"_ustr, TRSUP, '\0', TG::Power, 0 },
+        { u"sans"_ustr, TSANS, '\0', TG::Font, 0 },
+        { u"serif"_ustr, TSERIF, '\0', TG::Font, 0 },
+        { u"setC"_ustr, TSETC, MS_SETC, TG::Standalone, 5 },
+        { u"setminus"_ustr, TSETMINUS, MS_BACKSLASH, TG::Product, 0 },
+        { u"setN"_ustr, TSETN, MS_SETN, TG::Standalone, 5 },
+        { u"setQ"_ustr, TSETQ, MS_SETQ, TG::Standalone, 5 },
+        { u"setquotient"_ustr, TSETQUOTIENT, MS_SLASH, TG::Product, 0 },
+        { u"setR"_ustr, TSETR, MS_SETR, TG::Standalone, 5 },
+        { u"setZ"_ustr, TSETZ, MS_SETZ, TG::Standalone, 5 },
+        { u"sim"_ustr, TSIM, MS_SIM, TG::Relation, 0 },
+        { u"simeq"_ustr, TSIMEQ, MS_SIMEQ, TG::Relation, 0 },
+        { u"sin"_ustr, TSIN, '\0', TG::Function, 5 },
+        { u"sinh"_ustr, TSINH, '\0', TG::Function, 5 },
+        { u"size"_ustr, TSIZE, '\0', TG::FontAttr, 5 },
+        { u"slash"_ustr, TSLASH, MS_SLASH, TG::Product, 0 },
+        { u"sqrt"_ustr, TSQRT, MS_SQRT, TG::UnOper, 5 },
+        { u"stack"_ustr, TSTACK, '\0', TG::NONE, 5 },
+        { u"sub"_ustr, TRSUB, '\0', TG::Power, 0 },
+        { u"subset"_ustr, TSUBSET, MS_SUBSET, TG::Relation, 0 },
+        { u"subseteq"_ustr, TSUBSETEQ, MS_SUBSETEQ, TG::Relation, 0 },
+        { u"succ"_ustr, TSUCCEEDS, MS_SUCCEEDS, TG::Relation, 0 },
+        { u"succcurlyeq"_ustr, TSUCCEEDSEQUAL, MS_SUCCEEDSEQUAL, TG::Relation, 0 },
+        { u"succsim"_ustr, TSUCCEEDSEQUIV, MS_SUCCEEDSEQUIV, TG::Relation, 0 },
+        { u"sum"_ustr, TSUM, MS_SUM, TG::Oper, 5 },
+        { u"sup"_ustr, TRSUP, '\0', TG::Power, 0 },
+        { u"supset"_ustr, TSUPSET, MS_SUPSET, TG::Relation, 0 },
+        { u"supseteq"_ustr, TSUPSETEQ, MS_SUPSETEQ, TG::Relation, 0 },
+        { u"tan"_ustr, TTAN, '\0', TG::Function, 5 },
+        { u"tanh"_ustr, TTANH, '\0', TG::Function, 5 },
+        { u"tilde"_ustr, TTILDE, MS_TILDE, TG::Attribute, 5 },
+        { u"times"_ustr, TTIMES, MS_TIMES, TG::Product, 0 },
+        { u"to"_ustr, TTO, '\0', TG::Limit, 0 },
+        { u"toward"_ustr, TTOWARD, MS_RIGHTARROW, TG::Relation, 0 },
+        { u"transl"_ustr, TTRANSL, MS_TRANSL, TG::Relation, 0 },
+        { u"transr"_ustr, TTRANSR, MS_TRANSR, TG::Relation, 0 },
+        { u"underbrace"_ustr, TUNDERBRACE, MS_UNDERBRACE, TG::Product, 5 },
+        { u"underline"_ustr, TUNDERLINE, '\0', TG::Attribute, 5 },
+        { u"union"_ustr, TUNION, MS_UNION, TG::Sum, 0 },
+        { u"uoper"_ustr, TUOPER, '\0', TG::UnOper, 5 },
+        { u"uparrow"_ustr, TUPARROW, MS_UPARROW, TG::Standalone, 5 },
+        { u"vec"_ustr, TVEC, MS_VEC, TG::Attribute, 5 },
+        { u"widebslash"_ustr, TWIDEBACKSLASH, MS_BACKSLASH, TG::Product, 0 },
+        { u"wideharpoon"_ustr, TWIDEHARPOON, MS_HARPOON, TG::Attribute, 5 },
+        { u"widehat"_ustr, TWIDEHAT, MS_HAT, TG::Attribute, 5 },
+        { u"wideslash"_ustr, TWIDESLASH, MS_SLASH, TG::Product, 0 },
+        { u"widetilde"_ustr, TWIDETILDE, MS_TILDE, TG::Attribute, 5 },
+        { u"widevec"_ustr, TWIDEVEC, MS_VEC, TG::Attribute, 5 },
+        { u"wp"_ustr, TWP, MS_WP, TG::Standalone, 5 },
+        { u"جا"_ustr, TSIN, '\0', TG::Function, 5 },
+        { u"جاز"_ustr, TSINH, '\0', TG::Function, 5 },
+        { u"جتا"_ustr, TCOS, '\0', TG::Function, 5 },
+        { u"جتاز"_ustr, TCOSH, '\0', TG::Function, 5 },
+        { u"حا"_ustr, TSIN, '\0', TG::Function, 5 },
+        { u"حاز"_ustr, TSINH, '\0', TG::Function, 5 },
+        { u"حتا"_ustr, TCOS, '\0', TG::Function, 5 },
+        { u"حتاز"_ustr, TCOSH, '\0', TG::Function, 5 },
+        { u"حد"_ustr, THADD, MS_HADD, TG::Oper, 5 },
+        { u"طا"_ustr, TTAN, '\0', TG::Function, 5 },
+        { u"طاز"_ustr, TTANH, '\0', TG::Function, 5 },
+        { u"طتا"_ustr, TCOT, '\0', TG::Function, 5 },
+        { u"طتاز"_ustr, TCOTH, '\0', TG::Function, 5 },
+        { u"ظا"_ustr, TTAN, '\0', TG::Function, 5 },
+        { u"ظاز"_ustr, TTANH, '\0', TG::Function, 5 },
+        { u"ظتا"_ustr, TCOT, '\0', TG::Function, 5 },
+        { u"ظتاز"_ustr, TCOTH, '\0', TG::Function, 5 },
+        { u"قا"_ustr, TSEC, '\0', TG::Function, 5 },
+        { u"قاز"_ustr, TSECH, '\0', TG::Function, 5 },
+        { u"قتا"_ustr, TCSC, '\0', TG::Function, 5 },
+        { u"قتاز"_ustr, TCSCH, '\0', TG::Function, 5 },
+        { u"لو"_ustr, TLOG, '\0', TG::Function, 5 },
+        { u"مجـ"_ustr, TSUM, MS_MAJ, TG::Oper, 5 },
+        { u"نها"_ustr, TNAHA, '\0', TG::Oper, 5 },
+        { u"ٯا"_ustr, TSEC, '\0', TG::Function, 5 },
+        { u"ٯاز"_ustr, TSECH, '\0', TG::Function, 5 },
+        { u"ٯتا"_ustr, TCSC, '\0', TG::Function, 5 },
+        { u"ٯتاز"_ustr, TCSCH, '\0', TG::Function, 5 } };
+
+// First character may be any alphabetic
+const sal_Int32 coStartFlags = KParseTokens::ANY_LETTER | KParseTokens::IGNORE_LEADING_WS;
+
+// Continuing characters may be any alphabetic
+const sal_Int32 coContFlags = (coStartFlags & ~KParseTokens::IGNORE_LEADING_WS)
+                              | KParseTokens::TWO_DOUBLE_QUOTES_BREAK_STRING;
+// First character for numbers, may be any numeric or dot
+const sal_Int32 coNumStartFlags
+    = KParseTokens::ASC_DIGIT | KParseTokens::ASC_DOT | KParseTokens::IGNORE_LEADING_WS;
+// Continuing characters for numbers, may be any numeric or dot or comma.
+// tdf#127873: additionally accept ',' comma group separator as too many
+// existing documents unwittingly may have used that as decimal separator
+// in such locales (though it never was as this is always the en-US locale
+// and the group separator is only parsed away).
+const sal_Int32 coNumContFlags = (coNumStartFlags & ~KParseTokens::IGNORE_LEADING_WS)
+                                 | KParseTokens::GROUP_SEPARATOR_IN_NUMBER;
+// First character for numbers hexadecimal
+const sal_Int32 coNum16StartFlags
+    = KParseTokens::ASC_DIGIT | KParseTokens::ASC_UPALPHA | KParseTokens::IGNORE_LEADING_WS;
+
+// Continuing characters for numbers hexadecimal
+const sal_Int32 coNum16ContFlags = (coNum16StartFlags & ~KParseTokens::IGNORE_LEADING_WS);
+// user-defined char continuing characters may be any alphanumeric or dot.
+const sal_Int32 coUserDefinedCharContFlags = KParseTokens::ANY_LETTER_OR_NUMBER
+                                             | KParseTokens::ASC_DOT
+                                             | KParseTokens::TWO_DOUBLE_QUOTES_BREAK_STRING;
+
+//Checks if keyword is in the list.
+static inline bool findCompare(const SmTokenTableEntry& lhs, const OUString& s)
+{
+    return s.compareToIgnoreAsciiCase(lhs.aIdent) > 0;
+}
+
+//Returns the SmTokenTableEntry for a keyword
+static const SmTokenTableEntry* GetTokenTableEntry(const OUString& rName)
+{
+    if (rName.isEmpty())
+        return nullptr; //avoid null pointer exceptions
+    //Looks for the first keyword after or equal to rName in alphabetical order.
+    auto findIter
+        = std::lower_bound(std::begin(aTokenTable), std::end(aTokenTable), rName, findCompare);
+    if (findIter != std::end(aTokenTable) && rName.equalsIgnoreAsciiCase(findIter->aIdent))
+        return &*findIter; //check is equal
+    return nullptr; //not found
+}
+
+static bool IsDelimiter(const OUString& rTxt, sal_Int32 nPos)
+{ // returns 'true' iff cChar is '\0' or a delimiter
+
+    assert(nPos <= rTxt.getLength()); //index out of range
+    if (nPos == rTxt.getLength())
+        return true; //This is EOF
+    sal_Unicode cChar = rTxt[nPos];
+
+    // check if 'cChar' is in the delimiter table
+    static const sal_Unicode aDelimiterTable[] = {
+        ' ', '{', '}', '(', ')', '\t', '\n', '\r', '+', '-',  '*', '/', '=', '[',
+        ']', '^', '_', '#', '%', '>',  '<',  '&',  '|', '\\', '"', '~', '`'
+    }; //reordered by usage (by eye) for nanoseconds saving.
+
+    //checks the array
+    for (auto const& cDelimiter : aDelimiterTable)
+    {
+        if (cDelimiter == cChar)
+            return true;
+    }
+
+    //special chars support
+    sal_Int16 nTypJp = SM_MOD()->GetSysLocale().GetCharClass().getType(rTxt, nPos);
+    return (nTypJp == css::i18n::UnicodeType::SPACE_SEPARATOR
+            || nTypJp == css::i18n::UnicodeType::CONTROL);
+}
+
+// checks number used as arguments in Math formulas (e.g. 'size' command)
+// Format: no negative numbers, must start with a digit, no exponent notation, ...
+static bool lcl_IsNumber(const OUString& rText)
+{
+    bool bPoint = false;
+    const sal_Unicode* pBuffer = rText.getStr();
+    for (sal_Int32 nPos = 0; nPos < rText.getLength(); nPos++, pBuffer++)
+    {
+        const sal_Unicode cChar = *pBuffer;
+        if (cChar == '.')
+        {
+            if (bPoint)
+                return false;
+            else
+                bPoint = true;
+        }
+        else if (!rtl::isAsciiDigit(cChar))
+            return false;
+    }
+    return true;
+}
+// checks number used as arguments in Math formulas (e.g. 'size' command)
+// Format: no negative numbers, must start with a digit, no exponent notation, ...
+static bool lcl_IsNotWholeNumber(const OUString& rText)
+{
+    const sal_Unicode* pBuffer = rText.getStr();
+    for (sal_Int32 nPos = 0; nPos < rText.getLength(); nPos++, pBuffer++)
+        if (!rtl::isAsciiDigit(*pBuffer))
+            return true;
+    return false;
+}
+// checks hex number used as arguments in Math formulas (e.g. 'hex' command)
+// Format: no negative numbers, must start with a digit, no exponent notation, ...
+static bool lcl_IsNotWholeNumber16(const OUString& rText)
+{
+    const sal_Unicode* pBuffer = rText.getStr();
+    for (sal_Int32 nPos = 0; nPos < rText.getLength(); nPos++, pBuffer++)
+        if (!rtl::isAsciiCanonicHexDigit(*pBuffer))
+            return true;
+    return false;
+}
+
+//Text replace onto m_aBufferString
+void SmParser5::Replace(sal_Int32 nPos, sal_Int32 nLen, std::u16string_view aText)
+{
+    assert(nPos + nLen <= m_aBufferString.getLength()); //checks if length allows text replace
+
+    m_aBufferString = m_aBufferString.replaceAt(nPos, nLen, aText); //replace and reindex
+    sal_Int32 nChg = aText.size() - nLen;
+    m_nBufferIndex = m_nBufferIndex + nChg;
+    m_nTokenIndex = m_nTokenIndex + nChg;
+}
+
+void SmParser5::NextToken() //Central part of the parser
+{
+    sal_Int32 nBufLen = m_aBufferString.getLength();
+    ParseResult aRes;
+    sal_Int32 nRealStart;
+    bool bCont;
+    do
+    {
+        // skip white spaces
+        while (UnicodeType::SPACE_SEPARATOR == m_pSysCC->getType(m_aBufferString, m_nBufferIndex))
+            ++m_nBufferIndex;
+
+        // Try to parse a number in a locale-independent manner using
+        // '.' as decimal separator.
+        // See https://bz.apache.org/ooo/show_bug.cgi?id=45779
+        aRes
+            = m_aNumCC.parsePredefinedToken(KParseType::ASC_NUMBER, m_aBufferString, m_nBufferIndex,
+                                            coNumStartFlags, "", coNumContFlags, "");
+
+        if (aRes.TokenType == 0)
+        {
+            // Try again with the default token parsing.
+            aRes = m_pSysCC->parseAnyToken(m_aBufferString, m_nBufferIndex, coStartFlags, "",
+                                           coContFlags, "");
+        }
+
+        nRealStart = m_nBufferIndex + aRes.LeadingWhiteSpace;
+        m_nBufferIndex = nRealStart;
+
+        bCont = false;
+        if (aRes.TokenType == 0 && nRealStart < nBufLen && '\n' == m_aBufferString[nRealStart])
+        {
+            // keep data needed for tokens row and col entry up to date
+            ++m_nRow;
+            m_nBufferIndex = m_nColOff = nRealStart + 1;
+            bCont = true;
+        }
+        else if (aRes.TokenType & KParseType::ONE_SINGLE_CHAR)
+        {
+            if (nRealStart + 2 <= nBufLen && m_aBufferString.match("%%", nRealStart))
+            {
+                //SkipComment
+                m_nBufferIndex = nRealStart + 2;
+                while (m_nBufferIndex < nBufLen && '\n' != m_aBufferString[m_nBufferIndex])
+                    ++m_nBufferIndex;
+                bCont = true;
+            }
+        }
+
+    } while (bCont);
+
+    // set index of current token
+    m_nTokenIndex = m_nBufferIndex;
+    sal_uInt32 nCol = nRealStart - m_nColOff;
+
+    bool bHandled = true;
+    if (nRealStart >= nBufLen)
+    {
+        m_aCurToken.eType = TEND;
+        m_aCurToken.cMathChar = u""_ustr;
+        m_aCurToken.nGroup = TG::NONE;
+        m_aCurToken.nLevel = 0;
+        m_aCurToken.aText.clear();
+    }
+    else if (aRes.TokenType & KParseType::ANY_NUMBER)
+    {
+        assert(aRes.EndPos > 0);
+        if (m_aBufferString[aRes.EndPos - 1] == ',' && aRes.EndPos < nBufLen
+            && m_pSysCC->getType(m_aBufferString, aRes.EndPos) != UnicodeType::SPACE_SEPARATOR)
+        {
+            // Comma followed by a non-space char is unlikely for decimal/thousands separator.
+            --aRes.EndPos;
+        }
+        sal_Int32 n = aRes.EndPos - nRealStart;
+        assert(n >= 0);
+        m_aCurToken.eType = TNUMBER;
+        m_aCurToken.cMathChar = u""_ustr;
+        m_aCurToken.nGroup = TG::NONE;
+        m_aCurToken.nLevel = 5;
+        m_aCurToken.aText = m_aBufferString.copy(nRealStart, n);
+
+        SAL_WARN_IF(!IsDelimiter(m_aBufferString, aRes.EndPos), "starmath",
+                    "identifier really finished? (compatibility!)");
+    }
+    else if (aRes.TokenType & KParseType::DOUBLE_QUOTE_STRING)
+    {
+        m_aCurToken.eType = TTEXT;
+        m_aCurToken.cMathChar = u""_ustr;
+        m_aCurToken.nGroup = TG::NONE;
+        m_aCurToken.nLevel = 5;
+        m_aCurToken.aText = aRes.DequotedNameOrString;
+        nCol++;
+    }
+    else if (aRes.TokenType & KParseType::IDENTNAME)
+    {
+        sal_Int32 n = aRes.EndPos - nRealStart;
+        assert(n >= 0);
+        OUString aName(m_aBufferString.copy(nRealStart, n));
+        const SmTokenTableEntry* pEntry = GetTokenTableEntry(aName);
+
+        if (pEntry)
+        {
+            m_aCurToken.eType = pEntry->eType;
+            m_aCurToken.setChar(pEntry->cMathChar);
+            m_aCurToken.nGroup = pEntry->nGroup;
+            m_aCurToken.nLevel = pEntry->nLevel;
+            m_aCurToken.aText = pEntry->aIdent;
+        }
+        else
+        {
+            m_aCurToken.eType = TIDENT;
+            m_aCurToken.cMathChar = u""_ustr;
+            m_aCurToken.nGroup = TG::NONE;
+            m_aCurToken.nLevel = 5;
+            m_aCurToken.aText = aName;
+
+            SAL_WARN_IF(!IsDelimiter(m_aBufferString, aRes.EndPos), "starmath",
+                        "identifier really finished? (compatibility!)");
+        }
+    }
+    else if (aRes.TokenType == 0 && '_' == m_aBufferString[nRealStart])
+    {
+        m_aCurToken.eType = TRSUB;
+        m_aCurToken.cMathChar = u""_ustr;
+        m_aCurToken.nGroup = TG::Power;
+        m_aCurToken.nLevel = 0;
+        m_aCurToken.aText = "_";
+
+        aRes.EndPos = nRealStart + 1;
+    }
+    else if (aRes.TokenType & KParseType::BOOLEAN)
+    {
+        sal_Int32& rnEndPos = aRes.EndPos;
+        if (rnEndPos - nRealStart <= 2)
+        {
+            sal_Unicode ch = m_aBufferString[nRealStart];
+            switch (ch)
+            {
+                case '<':
+                {
+                    if (m_aBufferString.match("<<", nRealStart))
+                    {
+                        m_aCurToken.eType = TLL;
+                        m_aCurToken.setChar(MS_LL);
+                        m_aCurToken.nGroup = TG::Relation;
+                        m_aCurToken.nLevel = 0;
+                        m_aCurToken.aText = "<<";
+
+                        rnEndPos = nRealStart + 2;
+                    }
+                    else if (m_aBufferString.match("<=", nRealStart))
+                    {
+                        m_aCurToken.eType = TLE;
+                        m_aCurToken.setChar(MS_LE);
+                        m_aCurToken.nGroup = TG::Relation;
+                        m_aCurToken.nLevel = 0;
+                        m_aCurToken.aText = "<=";
+
+                        rnEndPos = nRealStart + 2;
+                    }
+                    else if (m_aBufferString.match("<-", nRealStart))
+                    {
+                        m_aCurToken.eType = TLEFTARROW;
+                        m_aCurToken.setChar(MS_LEFTARROW);
+                        m_aCurToken.nGroup = TG::Standalone;
+                        m_aCurToken.nLevel = 5;
+                        m_aCurToken.aText = "<-";
+
+                        rnEndPos = nRealStart + 2;
+                    }
+                    else if (m_aBufferString.match("<>", nRealStart))
+                    {
+                        m_aCurToken.eType = TNEQ;
+                        m_aCurToken.setChar(MS_NEQ);
+                        m_aCurToken.nGroup = TG::Relation;
+                        m_aCurToken.nLevel = 0;
+                        m_aCurToken.aText = "<>";
+
+                        rnEndPos = nRealStart + 2;
+                    }
+                    else if (m_aBufferString.match("<?>", nRealStart))
+                    {
+                        m_aCurToken.eType = TPLACE;
+                        m_aCurToken.setChar(MS_PLACE);
+                        m_aCurToken.nGroup = TG::NONE;
+                        m_aCurToken.nLevel = 5;
+                        m_aCurToken.aText = "<?>";
+
+                        rnEndPos = nRealStart + 3;
+                    }
+                    else
+                    {
+                        m_aCurToken.eType = TLT;
+                        m_aCurToken.setChar(MS_LT);
+                        m_aCurToken.nGroup = TG::Relation;
+                        m_aCurToken.nLevel = 0;
+                        m_aCurToken.aText = "<";
+                    }
+                }
+                break;
+                case '>':
+                {
+                    if (m_aBufferString.match(">=", nRealStart))
+                    {
+                        m_aCurToken.eType = TGE;
+                        m_aCurToken.setChar(MS_GE);
+                        m_aCurToken.nGroup = TG::Relation;
+                        m_aCurToken.nLevel = 0;
+                        m_aCurToken.aText = ">=";
+
+                        rnEndPos = nRealStart + 2;
+                    }
+                    else if (m_aBufferString.match(">>", nRealStart))
+                    {
+                        m_aCurToken.eType = TGG;
+                        m_aCurToken.setChar(MS_GG);
+                        m_aCurToken.nGroup = TG::Relation;
+                        m_aCurToken.nLevel = 0;
+                        m_aCurToken.aText = ">>";
+
+                        rnEndPos = nRealStart + 2;
+                    }
+                    else
+                    {
+                        m_aCurToken.eType = TGT;
+                        m_aCurToken.setChar(MS_GT);
+                        m_aCurToken.nGroup = TG::Relation;
+                        m_aCurToken.nLevel = 0;
+                        m_aCurToken.aText = ">";
+                    }
+                }
+                break;
+                default:
+                    bHandled = false;
+            }
+        }
+    }
+    else if (aRes.TokenType & KParseType::ONE_SINGLE_CHAR)
+    {
+        sal_Int32& rnEndPos = aRes.EndPos;
+        if (rnEndPos - nRealStart == 1)
+        {
+            sal_Unicode ch = m_aBufferString[nRealStart];
+            switch (ch)
+            {
+                case '%':
+                {
+                    //! modifies aRes.EndPos
+
+                    OSL_ENSURE(rnEndPos >= nBufLen || '%' != m_aBufferString[rnEndPos],
+                               "unexpected comment start");
+
+                    // get identifier of user-defined character
+                    ParseResult aTmpRes = m_pSysCC->parseAnyToken(m_aBufferString, rnEndPos,
+                                                                  KParseTokens::ANY_LETTER, "",
+                                                                  coUserDefinedCharContFlags, "");
+
+                    sal_Int32 nTmpStart = rnEndPos + aTmpRes.LeadingWhiteSpace;
+
+                    // default setting for the case that no identifier
+                    // i.e. a valid symbol-name is following the '%'
+                    // character
+                    m_aCurToken.eType = TTEXT;
+                    m_aCurToken.cMathChar = u""_ustr;
+                    m_aCurToken.nGroup = TG::NONE;
+                    m_aCurToken.nLevel = 5;
+                    m_aCurToken.aText = "%";
+
+                    if (aTmpRes.TokenType & KParseType::IDENTNAME)
+                    {
+                        sal_Int32 n = aTmpRes.EndPos - nTmpStart;
+                        m_aCurToken.eType = TSPECIAL;
+                        m_aCurToken.aText = m_aBufferString.copy(nTmpStart - 1, n + 1);
+
+                        OSL_ENSURE(aTmpRes.EndPos > rnEndPos, "empty identifier");
+                        if (aTmpRes.EndPos > rnEndPos)
+                            rnEndPos = aTmpRes.EndPos;
+                        else
+                            ++rnEndPos;
+                    }
+
+                    // if no symbol-name was found we start-over with
+                    // finding the next token right after the '%' sign.
+                    // I.e. we leave rnEndPos unmodified.
+                }
+                break;
+                case '[':
+                {
+                    m_aCurToken.eType = TLBRACKET;
+                    m_aCurToken.setChar(MS_LBRACKET);
+                    m_aCurToken.nGroup = TG::LBrace;
+                    m_aCurToken.nLevel = 5;
+                    m_aCurToken.aText = "[";
+                }
+                break;
+                case '\\':
+                {
+                    m_aCurToken.eType = TESCAPE;
+                    m_aCurToken.cMathChar = u""_ustr;
+                    m_aCurToken.nGroup = TG::NONE;
+                    m_aCurToken.nLevel = 5;
+                    m_aCurToken.aText = "\\";
+                }
+                break;
+                case ']':
+                {
+                    m_aCurToken.eType = TRBRACKET;
+                    m_aCurToken.setChar(MS_RBRACKET);
+                    m_aCurToken.nGroup = TG::RBrace;
+                    m_aCurToken.nLevel = 0;
+                    m_aCurToken.aText = "]";
+                }
+                break;
+                case '^':
+                {
+                    m_aCurToken.eType = TRSUP;
+                    m_aCurToken.cMathChar = u""_ustr;
+                    m_aCurToken.nGroup = TG::Power;
+                    m_aCurToken.nLevel = 0;
+                    m_aCurToken.aText = "^";
+                }
+                break;
+                case '`':
+                {
+                    m_aCurToken.eType = TSBLANK;
+                    m_aCurToken.cMathChar = u""_ustr;
+                    m_aCurToken.nGroup = TG::Blank;
+                    m_aCurToken.nLevel = 5;
+                    m_aCurToken.aText = "`";
+                }
+                break;
+                case '{':
+                {
+                    m_aCurToken.eType = TLGROUP;
+                    m_aCurToken.setChar(MS_LBRACE);
+                    m_aCurToken.nGroup = TG::NONE;
+                    m_aCurToken.nLevel = 5;
+                    m_aCurToken.aText = "{";
+                }
+                break;
+                case '|':
+                {
+                    m_aCurToken.eType = TOR;
+                    m_aCurToken.setChar(MS_OR);
+                    m_aCurToken.nGroup = TG::Sum;
+                    m_aCurToken.nLevel = 0;
+                    m_aCurToken.aText = "|";
+                }
+                break;
+                case '}':
+                {
+                    m_aCurToken.eType = TRGROUP;
+                    m_aCurToken.setChar(MS_RBRACE);
+                    m_aCurToken.nGroup = TG::NONE;
+                    m_aCurToken.nLevel = 0;
+                    m_aCurToken.aText = "}";
+                }
+                break;
+                case '~':
+                {
+                    m_aCurToken.eType = TBLANK;
+                    m_aCurToken.cMathChar = u""_ustr;
+                    m_aCurToken.nGroup = TG::Blank;
+                    m_aCurToken.nLevel = 5;
+                    m_aCurToken.aText = "~";
+                }
+                break;
+                case '#':
+                {
+                    if (m_aBufferString.match("##", nRealStart))
+                    {
+                        m_aCurToken.eType = TDPOUND;
+                        m_aCurToken.cMathChar = u""_ustr;
+                        m_aCurToken.nGroup = TG::NONE;
+                        m_aCurToken.nLevel = 0;
+                        m_aCurToken.aText = "##";
+
+                        rnEndPos = nRealStart + 2;
+                    }
+                    else
+                    {
+                        m_aCurToken.eType = TPOUND;
+                        m_aCurToken.cMathChar = u""_ustr;
+                        m_aCurToken.nGroup = TG::NONE;
+                        m_aCurToken.nLevel = 0;
+                        m_aCurToken.aText = "#";
+                    }
+                }
+                break;
+                case '&':
+                {
+                    m_aCurToken.eType = TAND;
+                    m_aCurToken.setChar(MS_AND);
+                    m_aCurToken.nGroup = TG::Product;
+                    m_aCurToken.nLevel = 0;
+                    m_aCurToken.aText = "&";
+                }
+                break;
+                case '(':
+                {
+                    m_aCurToken.eType = TLPARENT;
+                    m_aCurToken.setChar(MS_LPARENT);
+                    m_aCurToken.nGroup = TG::LBrace;
+                    m_aCurToken.nLevel = 5; //! 0 to continue expression
+                    m_aCurToken.aText = "(";
+                }
+                break;
+                case ')':
+                {
+                    m_aCurToken.eType = TRPARENT;
+                    m_aCurToken.setChar(MS_RPARENT);
+                    m_aCurToken.nGroup = TG::RBrace;
+                    m_aCurToken.nLevel = 0; //! 0 to terminate expression
+                    m_aCurToken.aText = ")";
+                }
+                break;
+                case '*':
+                {
+                    m_aCurToken.eType = TMULTIPLY;
+                    m_aCurToken.setChar(MS_MULTIPLY);
+                    m_aCurToken.nGroup = TG::Product;
+                    m_aCurToken.nLevel = 0;
+                    m_aCurToken.aText = "*";
+                }
+                break;
+                case '+':
+                {
+                    if (m_aBufferString.match("+-", nRealStart))
+                    {
+                        m_aCurToken.eType = TPLUSMINUS;
+                        m_aCurToken.setChar(MS_PLUSMINUS);
+                        m_aCurToken.nGroup = TG::UnOper | TG::Sum;
+                        m_aCurToken.nLevel = 5;
+                        m_aCurToken.aText = "+-";
+
+                        rnEndPos = nRealStart + 2;
+                    }
+                    else
+                    {
+                        m_aCurToken.eType = TPLUS;
+                        m_aCurToken.setChar(MS_PLUS);
+                        m_aCurToken.nGroup = TG::UnOper | TG::Sum;
+                        m_aCurToken.nLevel = 5;
+                        m_aCurToken.aText = "+";
+                    }
+                }
+                break;
+                case '-':
+                {
+                    if (m_aBufferString.match("-+", nRealStart))
+                    {
+                        m_aCurToken.eType = TMINUSPLUS;
+                        m_aCurToken.setChar(MS_MINUSPLUS);
+                        m_aCurToken.nGroup = TG::UnOper | TG::Sum;
+                        m_aCurToken.nLevel = 5;
+                        m_aCurToken.aText = "-+";
+
+                        rnEndPos = nRealStart + 2;
+                    }
+                    else if (m_aBufferString.match("->", nRealStart))
+                    {
+                        m_aCurToken.eType = TRIGHTARROW;
+                        m_aCurToken.setChar(MS_RIGHTARROW);
+                        m_aCurToken.nGroup = TG::Standalone;
+                        m_aCurToken.nLevel = 5;
+                        m_aCurToken.aText = "->";
+
+                        rnEndPos = nRealStart + 2;
+                    }
+                    else
+                    {
+                        m_aCurToken.eType = TMINUS;
+                        m_aCurToken.setChar(MS_MINUS);
+                        m_aCurToken.nGroup = TG::UnOper | TG::Sum;
+                        m_aCurToken.nLevel = 5;
+                        m_aCurToken.aText = "-";
+                    }
+                }
+                break;
+                case '.':
+                {
+                    // Only one character? Then it can't be a number.
+                    if (m_nBufferIndex < m_aBufferString.getLength() - 1)
+                    {
+                        // for compatibility with SO5.2
+                        // texts like .34 ...56 ... h ...78..90
+                        // will be treated as numbers
+                        m_aCurToken.eType = TNUMBER;
+                        m_aCurToken.cMathChar = u""_ustr;
+                        m_aCurToken.nGroup = TG::NONE;
+                        m_aCurToken.nLevel = 5;
+
+                        sal_Int32 nTxtStart = m_nBufferIndex;
+                        sal_Unicode cChar;
+                        // if the equation ends with dot(.) then increment m_nBufferIndex till end of string only
+                        do
+                        {
+                            cChar = m_aBufferString[++m_nBufferIndex];
+                        } while ((cChar == '.' || rtl::isAsciiDigit(cChar))
+                                 && (m_nBufferIndex < m_aBufferString.getLength() - 1));
+
+                        m_aCurToken.aText
+                            = m_aBufferString.copy(nTxtStart, m_nBufferIndex - nTxtStart);
+                        aRes.EndPos = m_nBufferIndex;
+                    }
+                    else
+                        bHandled = false;
+                }
+                break;
+                case '/':
+                {
+                    m_aCurToken.eType = TDIVIDEBY;
+                    m_aCurToken.setChar(MS_SLASH);
+                    m_aCurToken.nGroup = TG::Product;
+                    m_aCurToken.nLevel = 0;
+                    m_aCurToken.aText = "/";
+                }
+                break;
+                case '=':
+                {
+                    m_aCurToken.eType = TASSIGN;
+                    m_aCurToken.setChar(MS_ASSIGN);
+                    m_aCurToken.nGroup = TG::Relation;
+                    m_aCurToken.nLevel = 0;
+                    m_aCurToken.aText = "=";
+                }
+                break;
+                default:
+                    bHandled = false;
+            }
+        }
+    }
+    else
+        bHandled = false;
+
+    if (!bHandled)
+    {
+        m_aCurToken.eType = TCHARACTER;
+        m_aCurToken.cMathChar = u""_ustr;
+        m_aCurToken.nGroup = TG::NONE;
+        m_aCurToken.nLevel = 5;
+
+        // tdf#129372: we may have to deal with surrogate pairs
+        // (see https://en.wikipedia.org/wiki/Universal_Character_Set_characters#Surrogates)
+        // in this case, we must read 2 sal_Unicode instead of 1
+        int nOffset(rtl::isSurrogate(m_aBufferString[nRealStart]) ? 2 : 1);
+        m_aCurToken.aText = m_aBufferString.copy(nRealStart, nOffset);
+
+        aRes.EndPos = nRealStart + nOffset;
+    }
+    m_aCurESelection = ESelection(m_nRow, nCol, m_nRow, nCol + m_aCurToken.aText.getLength());
+
+    if (TEND != m_aCurToken.eType)
+        m_nBufferIndex = aRes.EndPos;
+}
+
+void SmParser5::NextTokenColor(SmTokenType dvipload)
+{
+    sal_Int32 nBufLen = m_aBufferString.getLength();
+    ParseResult aRes;
+    sal_Int32 nRealStart;
+    bool bCont;
+
+    do
+    {
+        // skip white spaces
+        while (UnicodeType::SPACE_SEPARATOR == m_pSysCC->getType(m_aBufferString, m_nBufferIndex))
+            ++m_nBufferIndex;
+        //parse, there are few options, so less strict.
+        aRes = m_pSysCC->parseAnyToken(m_aBufferString, m_nBufferIndex, coStartFlags, "",
+                                       coContFlags, "");
+        nRealStart = m_nBufferIndex + aRes.LeadingWhiteSpace;
+        m_nBufferIndex = nRealStart;
+        bCont = false;
+        if (aRes.TokenType == 0 && nRealStart < nBufLen && '\n' == m_aBufferString[nRealStart])
+        {
+            // keep data needed for tokens row and col entry up to date
+            ++m_nRow;
+            m_nBufferIndex = m_nColOff = nRealStart + 1;
+            bCont = true;
+        }
+        else if (aRes.TokenType & KParseType::ONE_SINGLE_CHAR)
+        {
+            if (nRealStart + 2 <= nBufLen && m_aBufferString.match("%%", nRealStart))
+            {
+                //SkipComment
+                m_nBufferIndex = nRealStart + 2;
+                while (m_nBufferIndex < nBufLen && '\n' != m_aBufferString[m_nBufferIndex])
+                    ++m_nBufferIndex;
+                bCont = true;
+            }
+        }
+    } while (bCont);
+
+    // set index of current token
+    m_nTokenIndex = m_nBufferIndex;
+    sal_uInt32 nCol = nRealStart - m_nColOff;
+
+    if (nRealStart >= nBufLen)
+        m_aCurToken.eType = TEND;
+    else if (aRes.TokenType & KParseType::IDENTNAME)
+    {
+        sal_Int32 n = aRes.EndPos - nRealStart;
+        assert(n >= 0);
+        OUString aName(m_aBufferString.copy(nRealStart, n));
+        switch (dvipload)
+        {
+            case TCOLOR:
+                m_aCurToken = starmathdatabase::Identify_ColorName_Parser(aName);
+                break;
+            case TDVIPSNAMESCOL:
+                m_aCurToken = starmathdatabase::Identify_ColorName_DVIPSNAMES(aName);
+                break;
+            default:
+                m_aCurToken = starmathdatabase::Identify_ColorName_Parser(aName);
+                break;
+        }
+    }
+    else if (aRes.TokenType & KParseType::ONE_SINGLE_CHAR)
+    {
+        if (m_aBufferString[nRealStart] == '#' && !m_aBufferString.match("##", nRealStart))
+        {
+            m_aCurToken.eType = THEX;
+            m_aCurToken.cMathChar = u""_ustr;
+            m_aCurToken.nGroup = TG::Color;
+            m_aCurToken.nLevel = 0;
+            m_aCurToken.aText = "hex";
+        }
+    }
+    else
+        m_aCurToken.eType = TNONE;
+
+    m_aCurESelection = ESelection(m_nRow, nCol, m_nRow, nCol + m_aCurToken.aText.getLength());
+    if (TEND != m_aCurToken.eType)
+        m_nBufferIndex = aRes.EndPos;
+}
+
+void SmParser5::NextTokenFontSize()
+{
+    sal_Int32 nBufLen = m_aBufferString.getLength();
+    ParseResult aRes;
+    sal_Int32 nRealStart;
+    bool bCont;
+    bool hex = false;
+
+    do
+    {
+        // skip white spaces
+        while (UnicodeType::SPACE_SEPARATOR == m_pSysCC->getType(m_aBufferString, m_nBufferIndex))
+            ++m_nBufferIndex;
+        //hexadecimal parser
+        aRes = m_pSysCC->parseAnyToken(m_aBufferString, m_nBufferIndex, coNum16StartFlags, ".",
+                                       coNum16ContFlags, ".,");
+        if (aRes.TokenType == 0)
+        {
+            // Try again with the default token parsing.
+            aRes = m_pSysCC->parseAnyToken(m_aBufferString, m_nBufferIndex, coStartFlags, "",
+                                           coContFlags, "");
+        }
+        else
+            hex = true;
+        nRealStart = m_nBufferIndex + aRes.LeadingWhiteSpace;
+        m_nBufferIndex = nRealStart;
+        bCont = false;
+        if (aRes.TokenType == 0 && nRealStart < nBufLen && '\n' == m_aBufferString[nRealStart])
+        {
+            // keep data needed for tokens row and col entry up to date
+            ++m_nRow;
+            m_nBufferIndex = m_nColOff = nRealStart + 1;
+            bCont = true;
+        }
+        else if (aRes.TokenType & KParseType::ONE_SINGLE_CHAR)
+        {
+            if (nRealStart + 2 <= nBufLen && m_aBufferString.match("%%", nRealStart))
+            {
+                //SkipComment
+                m_nBufferIndex = nRealStart + 2;
+                while (m_nBufferIndex < nBufLen && '\n' != m_aBufferString[m_nBufferIndex])
+                    ++m_nBufferIndex;
+                bCont = true;
+            }
+        }
+    } while (bCont);
+
+    // set index of current token
+    m_nTokenIndex = m_nBufferIndex;
+    sal_uInt32 nCol = nRealStart - m_nColOff;
+
+    if (nRealStart >= nBufLen)
+        m_aCurToken.eType = TEND;
+    else if (aRes.TokenType & KParseType::ONE_SINGLE_CHAR)
+    {
+        if (aRes.EndPos - nRealStart == 1)
+        {
+            switch (m_aBufferString[nRealStart])
+            {
+                case '*':
+                    m_aCurToken.eType = TMULTIPLY;
+                    m_aCurToken.setChar(MS_MULTIPLY);
+                    m_aCurToken.nGroup = TG::Product;
+                    m_aCurToken.nLevel = 0;
+                    m_aCurToken.aText = "*";
+                    break;
+                case '+':
+                    m_aCurToken.eType = TPLUS;
+                    m_aCurToken.setChar(MS_PLUS);
+                    m_aCurToken.nGroup = TG::UnOper | TG::Sum;
+                    m_aCurToken.nLevel = 5;
+                    m_aCurToken.aText = "+";
+                    break;
+                case '-':
+                    m_aCurToken.eType = TMINUS;
+                    m_aCurToken.setChar(MS_MINUS);
+                    m_aCurToken.nGroup = TG::UnOper | TG::Sum;
+                    m_aCurToken.nLevel = 5;
+                    m_aCurToken.aText = "-";
+                    break;
+                case '/':
+                    m_aCurToken.eType = TDIVIDEBY;
+                    m_aCurToken.setChar(MS_SLASH);
+                    m_aCurToken.nGroup = TG::Product;
+                    m_aCurToken.nLevel = 0;
+                    m_aCurToken.aText = "/";
+                    break;
+                default:
+                    m_aCurToken.eType = TNONE;
+                    break;
+            }
+        }
+        else
+            m_aCurToken.eType = TNONE;
+    }
+    else if (hex)
+    {
+        assert(aRes.EndPos > 0);
+        sal_Int32 n = aRes.EndPos - nRealStart;
+        assert(n >= 0);
+        m_aCurToken.eType = THEX;
+        m_aCurToken.cMathChar = u""_ustr;
+        m_aCurToken.nGroup = TG::NONE;
+        m_aCurToken.nLevel = 5;
+        m_aCurToken.aText = m_aBufferString.copy(nRealStart, n);
+    }
+    else
+        m_aCurToken.eType = TNONE;
+
+    m_aCurESelection = ESelection(m_nRow, nCol, m_nRow, nCol + m_aCurToken.aText.getLength());
+    if (TEND != m_aCurToken.eType)
+        m_nBufferIndex = aRes.EndPos;
+}
+
+namespace
+{
+SmNodeArray buildNodeArray(std::vector<std::unique_ptr<SmNode>>& rSubNodes)
+{
+    SmNodeArray aSubArray(rSubNodes.size());
+    for (size_t i = 0; i < rSubNodes.size(); ++i)
+        aSubArray[i] = rSubNodes[i].release();
+    return aSubArray;
+}
+} //end namespace
+
+// grammar
+/*************************************************************************************************/
+
+std::unique_ptr<SmTableNode> SmParser5::DoTable()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    std::vector<std::unique_ptr<SmNode>> aLineArray;
+    aLineArray.push_back(DoLine());
+    while (m_aCurToken.eType == TNEWLINE)
+    {
+        NextToken();
+        aLineArray.push_back(DoLine());
+    }
+    assert(m_aCurToken.eType == TEND);
+    std::unique_ptr<SmTableNode> xSNode(new SmTableNode(m_aCurToken));
+    xSNode->SetSelection(m_aCurESelection);
+    xSNode->SetSubNodes(buildNodeArray(aLineArray));
+    return xSNode;
+}
+
+std::unique_ptr<SmNode> SmParser5::DoAlign(bool bUseExtraSpaces)
+// parse alignment info (if any), then go on with rest of expression
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    std::unique_ptr<SmStructureNode> xSNode;
+
+    if (TokenInGroup(TG::Align))
+    {
+        xSNode.reset(new SmAlignNode(m_aCurToken));
+        xSNode->SetSelection(m_aCurESelection);
+
+        NextToken();
+
+        // allow for just one align statement in 5.0
+        if (TokenInGroup(TG::Align))
+            return DoError(SmParseError::DoubleAlign);
+    }
+
+    auto pNode = DoExpression(bUseExtraSpaces);
+
+    if (xSNode)
+    {
+        xSNode->SetSubNode(0, pNode.release());
+        return xSNode;
+    }
+    return pNode;
+}
+
+// Postcondition: m_aCurToken.eType == TEND || m_aCurToken.eType == TNEWLINE
+std::unique_ptr<SmNode> SmParser5::DoLine()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    std::vector<std::unique_ptr<SmNode>> ExpressionArray;
+
+    // start with single expression that may have an alignment statement
+    // (and go on with expressions that must not have alignment
+    // statements in 'while' loop below. See also 'Expression()'.)
+    if (m_aCurToken.eType != TEND && m_aCurToken.eType != TNEWLINE)
+        ExpressionArray.push_back(DoAlign());
+
+    while (m_aCurToken.eType != TEND && m_aCurToken.eType != TNEWLINE)
+        ExpressionArray.push_back(DoExpression());
+
+    //If there's no expression, add an empty one.
+    //this is to avoid a formula tree without any caret
+    //positions, in visual formula editor.
+    if (ExpressionArray.empty())
+    {
+        SmToken aTok;
+        aTok.eType = TNEWLINE;
+        ExpressionArray.emplace_back(std::unique_ptr<SmNode>(new SmExpressionNode(aTok)));
+    }
+
+    auto xSNode = std::make_unique<SmLineNode>(m_aCurToken);
+    xSNode->SetSelection(m_aCurESelection);
+    xSNode->SetSubNodes(buildNodeArray(ExpressionArray));
+    return xSNode;
+}
+
+std::unique_ptr<SmNode> SmParser5::DoExpression(bool bUseExtraSpaces)
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    std::vector<std::unique_ptr<SmNode>> RelationArray;
+    RelationArray.push_back(DoRelation());
+    while (m_aCurToken.nLevel >= 4)
+        RelationArray.push_back(DoRelation());
+
+    if (RelationArray.size() > 1)
+    {
+        std::unique_ptr<SmExpressionNode> xSNode(new SmExpressionNode(m_aCurToken));
+        xSNode->SetSubNodes(buildNodeArray(RelationArray));
+        xSNode->SetUseExtraSpaces(bUseExtraSpaces);
+        return xSNode;
+    }
+    else
+    {
+        // This expression has only one node so just push this node.
+        return std::move(RelationArray[0]);
+    }
+}
+
+std::unique_ptr<SmNode> SmParser5::DoRelation()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    int nDepthLimit = m_nParseDepth;
+
+    auto xFirst = DoSum();
+    while (TokenInGroup(TG::Relation))
+    {
+        std::unique_ptr<SmStructureNode> xSNode(new SmBinHorNode(m_aCurToken));
+        xSNode->SetSelection(m_aCurESelection);
+        auto xSecond = DoOpSubSup();
+        auto xThird = DoSum();
+        xSNode->SetSubNodes(std::move(xFirst), std::move(xSecond), std::move(xThird));
+        xFirst = std::move(xSNode);
+
+        ++m_nParseDepth;
+        DepthProtect bDepthGuard(m_nParseDepth);
+    }
+
+    m_nParseDepth = nDepthLimit;
+
+    return xFirst;
+}
+
+std::unique_ptr<SmNode> SmParser5::DoSum()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    int nDepthLimit = m_nParseDepth;
+
+    auto xFirst = DoProduct();
+    while (TokenInGroup(TG::Sum))
+    {
+        std::unique_ptr<SmStructureNode> xSNode(new SmBinHorNode(m_aCurToken));
+        xSNode->SetSelection(m_aCurESelection);
+        auto xSecond = DoOpSubSup();
+        auto xThird = DoProduct();
+        xSNode->SetSubNodes(std::move(xFirst), std::move(xSecond), std::move(xThird));
+        xFirst = std::move(xSNode);
+
+        ++m_nParseDepth;
+        DepthProtect bDepthGuard(m_nParseDepth);
+    }
+
+    m_nParseDepth = nDepthLimit;
+
+    return xFirst;
+}
+
+std::unique_ptr<SmNode> SmParser5::DoProduct()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    auto xFirst = DoPower();
+
+    int nDepthLimit = 0;
+
+    while (TokenInGroup(TG::Product))
+    {
+        //this linear loop builds a recursive structure, if it gets
+        //too deep then later processing, e.g. releasing the tree,
+        //can exhaust stack
+        if (m_nParseDepth + nDepthLimit > DEPTH_LIMIT)
+            throw std::range_error("parser depth limit");
+
+        std::unique_ptr<SmStructureNode> xSNode;
+        std::unique_ptr<SmNode> xOper;
+
+        SmTokenType eType = m_aCurToken.eType;
+        switch (eType)
+        {
+            case TOVER:
+                xSNode.reset(new SmBinVerNode(m_aCurToken));
+                xSNode->SetSelection(m_aCurESelection);
+                xOper.reset(new SmRectangleNode(m_aCurToken));
+                xOper->SetSelection(m_aCurESelection);
+                NextToken();
+                break;
+
+            case TBOPER:
+                xSNode.reset(new SmBinHorNode(m_aCurToken));
+
+                NextToken();
+
+                //Let the glyph node know it's a binary operation
+                m_aCurToken.eType = TBOPER;
+                m_aCurToken.nGroup = TG::Product;
+                xOper = DoGlyphSpecial();
+                break;
+
+            case TOVERBRACE:
+            case TUNDERBRACE:
+                xSNode.reset(new SmVerticalBraceNode(m_aCurToken));
+                xSNode->SetSelection(m_aCurESelection);
+                xOper.reset(new SmMathSymbolNode(m_aCurToken));
+                xOper->SetSelection(m_aCurESelection);
+
+                NextToken();
+                break;
+
+            case TWIDEBACKSLASH:
+            case TWIDESLASH:
+            {
+                SmBinDiagonalNode* pSTmp = new SmBinDiagonalNode(m_aCurToken);
+                pSTmp->SetAscending(eType == TWIDESLASH);
+                xSNode.reset(pSTmp);
+
+                xOper.reset(new SmPolyLineNode(m_aCurToken));
+                xOper->SetSelection(m_aCurESelection);
+                NextToken();
+
+                break;
+            }
+
+            default:
+                xSNode.reset(new SmBinHorNode(m_aCurToken));
+                xSNode->SetSelection(m_aCurESelection);
+
+                xOper = DoOpSubSup();
+        }
+
+        auto xArg = DoPower();
+        xSNode->SetSubNodesBinMo(std::move(xFirst), std::move(xOper), std::move(xArg));
+        xFirst = std::move(xSNode);
+        ++nDepthLimit;
+    }
+    return xFirst;
+}
+
+std::unique_ptr<SmNode> SmParser5::DoSubSup(TG nActiveGroup, std::unique_ptr<SmNode> xGivenNode)
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    assert(nActiveGroup == TG::Power || nActiveGroup == TG::Limit);
+    assert(m_aCurToken.nGroup == nActiveGroup);
+
+    std::unique_ptr<SmSubSupNode> pNode(new SmSubSupNode(m_aCurToken));
+    pNode->SetSelection(m_aCurESelection);
+    //! Of course 'm_aCurToken' is just the first sub-/supscript token.
+    //! It should be of no further interest. The positions of the
+    //! sub-/supscripts will be identified by the corresponding subnodes
+    //! index in the 'aSubNodes' array (enum value from 'SmSubSup').
+
+    pNode->SetUseLimits(nActiveGroup == TG::Limit);
+
+    // initialize subnodes array
+    std::vector<std::unique_ptr<SmNode>> aSubNodes(1 + SUBSUP_NUM_ENTRIES);
+    aSubNodes[0] = std::move(xGivenNode);
+
+    // process all sub-/supscripts
+    int nIndex = 0;
+    while (TokenInGroup(nActiveGroup))
+    {
+        SmTokenType eType(m_aCurToken.eType);
+
+        switch (eType)
+        {
+            case TRSUB:
+                nIndex = static_cast<int>(RSUB);
+                break;
+            case TRSUP:
+                nIndex = static_cast<int>(RSUP);
+                break;
+            case TFROM:
+            case TCSUB:
+                nIndex = static_cast<int>(CSUB);
+                break;
+            case TTO:
+            case TCSUP:
+                nIndex = static_cast<int>(CSUP);
+                break;
+            case TLSUB:
+                nIndex = static_cast<int>(LSUB);
+                break;
+            case TLSUP:
+                nIndex = static_cast<int>(LSUP);
+                break;
+            default:
+                SAL_WARN("starmath", "unknown case");
+        }
+        nIndex++;
+        assert(1 <= nIndex && nIndex <= SUBSUP_NUM_ENTRIES);
+
+        std::unique_ptr<SmNode> xENode;
+        if (aSubNodes[nIndex]) // if already occupied at earlier iteration
+        {
+            // forget the earlier one, remember an error instead
+            aSubNodes[nIndex].reset();
+            xENode = DoError(SmParseError::DoubleSubsupscript); // this also skips current token.
+        }
+        else
+        {
+            // skip sub-/supscript token
+            NextToken();
+        }
+
+        // get sub-/supscript node
+        // (even when we saw a double-sub/supscript error in the above
+        // in order to minimize mess and continue parsing.)
+        std::unique_ptr<SmNode> xSNode;
+        if (eType == TFROM || eType == TTO)
+        {
+            // parse limits in old 4.0 and 5.0 style
+            xSNode = DoRelation();
+        }
+        else
+            xSNode = DoTerm(true);
+
+        aSubNodes[nIndex] = std::move(xENode ? xENode : xSNode);
+    }
+
+    pNode->SetSubNodes(buildNodeArray(aSubNodes));
+    return pNode;
+}
+
+std::unique_ptr<SmNode> SmParser5::DoSubSupEvaluate(std::unique_ptr<SmNode> xGivenNode)
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    std::unique_ptr<SmSubSupNode> pNode(new SmSubSupNode(m_aCurToken));
+    pNode->SetSelection(m_aCurESelection);
+    pNode->SetUseLimits(true);
+
+    // initialize subnodes array
+    std::vector<std::unique_ptr<SmNode>> aSubNodes(1 + SUBSUP_NUM_ENTRIES);
+    aSubNodes[0] = std::move(xGivenNode);
+
+    // process all sub-/supscripts
+    int nIndex = 0;
+    while (TokenInGroup(TG::Limit))
+    {
+        SmTokenType eType(m_aCurToken.eType);
+
+        switch (eType)
+        {
+            case TFROM:
+                nIndex = static_cast<int>(RSUB);
+                break;
+            case TTO:
+                nIndex = static_cast<int>(RSUP);
+                break;
+            default:
+                SAL_WARN("starmath", "unknown case");
+        }
+        nIndex++;
+        assert(1 <= nIndex && nIndex <= SUBSUP_NUM_ENTRIES);
+
+        std::unique_ptr<SmNode> xENode;
+        if (aSubNodes[nIndex]) // if already occupied at earlier iteration
+        {
+            // forget the earlier one, remember an error instead
+            aSubNodes[nIndex].reset();
+            xENode = DoError(SmParseError::DoubleSubsupscript); // this also skips current token.
+        }
+        else
+            NextToken(); // skip sub-/supscript token
+
+        // get sub-/supscript node
+        std::unique_ptr<SmNode> xSNode;
+        xSNode = DoTerm(true);
+
+        aSubNodes[nIndex] = std::move(xENode ? xENode : xSNode);
+    }
+
+    pNode->SetSubNodes(buildNodeArray(aSubNodes));
+    return pNode;
+}
+
+std::unique_ptr<SmNode> SmParser5::DoOpSubSup()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    // get operator symbol
+    auto xNode = std::make_unique<SmMathSymbolNode>(m_aCurToken);
+    xNode->SetSelection(m_aCurESelection);
+    // skip operator token
+    NextToken();
+    // get sub- supscripts if any
+    if (m_aCurToken.nGroup == TG::Power)
+        return DoSubSup(TG::Power, std::move(xNode));
+    return xNode;
+}
+
+std::unique_ptr<SmNode> SmParser5::DoPower()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    // get body for sub- supscripts on top of stack
+    std::unique_ptr<SmNode> xNode(DoTerm(false));
+
+    if (m_aCurToken.nGroup == TG::Power)
+        return DoSubSup(TG::Power, std::move(xNode));
+    return xNode;
+}
+
+std::unique_ptr<SmBlankNode> SmParser5::DoBlank()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    assert(TokenInGroup(TG::Blank));
+    std::unique_ptr<SmBlankNode> pBlankNode(new SmBlankNode(m_aCurToken));
+    pBlankNode->SetSelection(m_aCurESelection);
+
+    do
+    {
+        pBlankNode->IncreaseBy(m_aCurToken);
+        NextToken();
+    } while (TokenInGroup(TG::Blank));
+
+    // Ignore trailing spaces, if corresponding option is set
+    if (m_aCurToken.eType == TNEWLINE
+        || (m_aCurToken.eType == TEND && !utl::ConfigManager::IsFuzzing()
+            && SM_MOD()->GetConfig()->IsIgnoreSpacesRight()))
+    {
+        pBlankNode->Clear();
+    }
+    return pBlankNode;
+}
+
+std::unique_ptr<SmNode> SmParser5::DoTerm(bool bGroupNumberIdent)
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    switch (m_aCurToken.eType)
+    {
+        case TESCAPE:
+            return DoEscape();
+
+        case TNOSPACE:
+        case TLGROUP:
+        {
+            bool bNoSpace = m_aCurToken.eType == TNOSPACE;
+            if (bNoSpace)
+                NextToken();
+            if (m_aCurToken.eType != TLGROUP)
+                return DoTerm(false); // nospace is no longer concerned
+
+            NextToken();
+
+            // allow for empty group
+            if (m_aCurToken.eType == TRGROUP)
+            {
+                std::unique_ptr<SmStructureNode> xSNode(new SmExpressionNode(m_aCurToken));
+                xSNode->SetSelection(m_aCurESelection);
+                xSNode->SetSubNodes(nullptr, nullptr);
+
+                NextToken();
+                return std::unique_ptr<SmNode>(xSNode.release());
+            }
+
+            auto pNode = DoAlign(!bNoSpace);
+            if (m_aCurToken.eType == TRGROUP)
+            {
+                NextToken();
+                return pNode;
+            }
+            auto xSNode = std::make_unique<SmExpressionNode>(m_aCurToken);
+            xSNode->SetSelection(m_aCurESelection);
+            std::unique_ptr<SmNode> xError(DoError(SmParseError::RgroupExpected));
+            xSNode->SetSubNodes(std::move(pNode), std::move(xError));
+            return std::unique_ptr<SmNode>(xSNode.release());
+        }
+
+        case TLEFT:
+            return DoBrace();
+        case TEVALUATE:
+            return DoEvaluate();
+
+        case TBLANK:
+        case TSBLANK:
+            return DoBlank();
+
+        case TTEXT:
+        {
+            auto pNode = std::make_unique<SmTextNode>(m_aCurToken, FNT_TEXT);
+            pNode->SetSelection(m_aCurESelection);
+            NextToken();
+            return std::unique_ptr<SmNode>(pNode.release());
+        }
+        case TCHARACTER:
+        {
+            auto pNode = std::make_unique<SmTextNode>(m_aCurToken, FNT_VARIABLE);
+            pNode->SetSelection(m_aCurESelection);
+            NextToken();
+            return std::unique_ptr<SmNode>(pNode.release());
+        }
+        case TIDENT:
+        case TNUMBER:
+        {
+            auto pTextNode = std::make_unique<SmTextNode>(
+                m_aCurToken, m_aCurToken.eType == TNUMBER ? FNT_NUMBER : FNT_VARIABLE);
+            pTextNode->SetSelection(m_aCurESelection);
+            if (!bGroupNumberIdent)
+            {
+                NextToken();
+                return std::unique_ptr<SmNode>(pTextNode.release());
+            }
+            std::vector<std::unique_ptr<SmNode>> aNodes;
+            // Some people want to be able to write "x_2n" for "x_{2n}"
+            // although e.g. LaTeX or AsciiMath interpret that as "x_2 n".
+            // The tokenizer skips whitespaces so we need some additional
+            // work to distinguish from "x_2 n".
+            // See https://bz.apache.org/ooo/show_bug.cgi?id=11752 and
+            // https://bugs.libreoffice.org/show_bug.cgi?id=55853
+            sal_Int32 nBufLen = m_aBufferString.getLength();
+
+            // We need to be careful to call NextToken() only after having
+            // tested for a whitespace separator (otherwise it will be
+            // skipped!)
+            bool moveToNextToken = true;
+            while (m_nBufferIndex < nBufLen
+                   && m_pSysCC->getType(m_aBufferString, m_nBufferIndex)
+                          != UnicodeType::SPACE_SEPARATOR)
+            {
+                NextToken();
+                if (m_aCurToken.eType != TNUMBER && m_aCurToken.eType != TIDENT)
+                {
+                    // Neither a number nor an identifier. We just moved to
+                    // the next token, so no need to do that again.
+                    moveToNextToken = false;
+                    break;
+                }
+                aNodes.emplace_back(std::unique_ptr<SmNode>(new SmTextNode(
+                    m_aCurToken, m_aCurToken.eType == TNUMBER ? FNT_NUMBER : FNT_VARIABLE)));
+            }
+            if (moveToNextToken)
+                NextToken();
+            if (aNodes.empty())
+                return std::unique_ptr<SmNode>(pTextNode.release());
+            // We have several concatenated identifiers and numbers.
+            // Let's group them into one SmExpressionNode.
+            aNodes.insert(aNodes.begin(), std::move(pTextNode));
+            std::unique_ptr<SmExpressionNode> xNode(new SmExpressionNode(SmToken()));
+            xNode->SetSubNodes(buildNodeArray(aNodes));
+            return std::unique_ptr<SmNode>(xNode.release());
+        }
+        case TLEFTARROW:
+        case TRIGHTARROW:
+        case TUPARROW:
+        case TDOWNARROW:
+        case TCIRC:
+        case TDRARROW:
+        case TDLARROW:
+        case TDLRARROW:
+        case TEXISTS:
+        case TNOTEXISTS:
+        case TFORALL:
+        case TPARTIAL:
+        case TNABLA:
+        case TLAPLACE:
+        case TFOURIER:
+        case TTOWARD:
+        case TDOTSAXIS:
+        case TDOTSDIAG:
+        case TDOTSDOWN:
+        case TDOTSLOW:
+        case TDOTSUP:
+        case TDOTSVERT:
+        {
+            auto pNode = std::make_unique<SmMathSymbolNode>(m_aCurToken);
+            pNode->SetSelection(m_aCurESelection);
+            NextToken();
+            return std::unique_ptr<SmNode>(pNode.release());
+        }
+
+        case TSETN:
+        case TSETZ:
+        case TSETQ:
+        case TSETR:
+        case TSETC:
+        case THBAR:
+        case TLAMBDABAR:
+        case TBACKEPSILON:
+        case TALEPH:
+        case TIM:
+        case TRE:
+        case TWP:
+        case TEMPTYSET:
+        case TINFINITY:
+        {
+            auto pNode = std::make_unique<SmMathIdentifierNode>(m_aCurToken);
+            pNode->SetSelection(m_aCurESelection);
+            NextToken();
+            return std::unique_ptr<SmNode>(pNode.release());
+        }
+
+        case TPLACE:
+        {
+            auto pNode = std::make_unique<SmPlaceNode>(m_aCurToken);
+            pNode->SetSelection(m_aCurESelection);
+            NextToken();
+            return std::unique_ptr<SmNode>(pNode.release());
+        }
+
+        case TSPECIAL:
+            return DoSpecial();
+
+        case TBINOM:
+            return DoBinom();
+
+        case TFRAC:
+            return DoFrac();
+
+        case TSTACK:
+            return DoStack();
+
+        case TMATRIX:
+            return DoMatrix();
+
+        case THEX:
+            NextTokenFontSize();
+            if (m_aCurToken.eType == THEX)
+            {
+                auto pTextNode = std::make_unique<SmTextNode>(m_aCurToken, FNT_NUMBER);
+                pTextNode->SetSelection(m_aCurESelection);
+                NextToken();
+                return pTextNode;
+            }
+            else
+                return DoError(SmParseError::NumberExpected);
+        default:
+            if (TokenInGroup(TG::LBrace))
+                return DoBrace();
+            if (TokenInGroup(TG::Oper))
+                return DoOperator();
+            if (TokenInGroup(TG::UnOper))
+                return DoUnOper();
+            if (TokenInGroup(TG::Attribute) || TokenInGroup(TG::FontAttr))
+            {
+                std::stack<std::unique_ptr<SmStructureNode>,
+                           std::vector<std::unique_ptr<SmStructureNode>>>
+                    aStack;
+                bool bIsAttr;
+                for (;;)
+                {
+                    bIsAttr = TokenInGroup(TG::Attribute);
+                    if (!bIsAttr && !TokenInGroup(TG::FontAttr))
+                        break;
+                    aStack.push(bIsAttr ? DoAttribute() : DoFontAttribute());
+                }
+
+                auto xFirstNode = DoPower();
+                while (!aStack.empty())
+                {
+                    std::unique_ptr<SmStructureNode> xNode = std::move(aStack.top());
+                    aStack.pop();
+                    xNode->SetSubNodes(nullptr, std::move(xFirstNode));
+                    xFirstNode = std::move(xNode);
+                }
+                return xFirstNode;
+            }
+            if (TokenInGroup(TG::Function))
+                return DoFunction();
+            return DoError(SmParseError::UnexpectedChar);
+    }
+}
+
+std::unique_ptr<SmNode> SmParser5::DoEscape()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    NextToken();
+
+    switch (m_aCurToken.eType)
+    {
+        case TLPARENT:
+        case TRPARENT:
+        case TLBRACKET:
+        case TRBRACKET:
+        case TLDBRACKET:
+        case TRDBRACKET:
+        case TLBRACE:
+        case TLGROUP:
+        case TRBRACE:
+        case TRGROUP:
+        case TLANGLE:
+        case TRANGLE:
+        case TLCEIL:
+        case TRCEIL:
+        case TLFLOOR:
+        case TRFLOOR:
+        case TLLINE:
+        case TRLINE:
+        case TLDLINE:
+        case TRDLINE:
+        {
+            auto pNode = std::make_unique<SmMathSymbolNode>(m_aCurToken);
+            pNode->SetSelection(m_aCurESelection);
+            NextToken();
+            return std::unique_ptr<SmNode>(pNode.release());
+        }
+        default:
+            return DoError(SmParseError::UnexpectedToken);
+    }
+}
+
+std::unique_ptr<SmOperNode> SmParser5::DoOperator()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    assert(TokenInGroup(TG::Oper));
+
+    auto xSNode = std::make_unique<SmOperNode>(m_aCurToken);
+    xSNode->SetSelection(m_aCurESelection);
+
+    // get operator
+    auto xOperator = DoOper();
+
+    if (m_aCurToken.nGroup == TG::Limit || m_aCurToken.nGroup == TG::Power)
+        xOperator = DoSubSup(m_aCurToken.nGroup, std::move(xOperator));
+
+    // get argument
+    auto xArg = DoPower();
+
+    xSNode->SetSubNodes(std::move(xOperator), std::move(xArg));
+    return xSNode;
+}
+
+std::unique_ptr<SmNode> SmParser5::DoOper()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    SmTokenType eType(m_aCurToken.eType);
+    std::unique_ptr<SmNode> pNode;
+
+    switch (eType)
+    {
+        case TSUM:
+        case TPROD:
+        case TCOPROD:
+        case TINT:
+        case TINTD:
+        case TIINT:
+        case TIIINT:
+        case TLINT:
+        case TLLINT:
+        case TLLLINT:
+            pNode.reset(new SmMathSymbolNode(m_aCurToken));
+            pNode->SetSelection(m_aCurESelection);
+            break;
+
+        case TLIM:
+        case TLIMSUP:
+        case TLIMINF:
+        case THADD:
+        case TNAHA:
+            if (eType == TLIMSUP)
+                m_aCurToken.aText = u"lim sup"_ustr;
+            else if (eType == TLIMINF)
+                m_aCurToken.aText = u"lim inf"_ustr;
+            else if (eType == TNAHA)
+                m_aCurToken.aText = u"نها"_ustr;
+            else if (eType == THADD)
+                m_aCurToken.aText = OUString(&MS_HADD, 1);
+            else
+                m_aCurToken.aText = u"lim"_ustr;
+            pNode.reset(new SmTextNode(m_aCurToken, FNT_TEXT));
+            pNode->SetSelection(m_aCurESelection);
+            break;
+
+        case TOPER:
+            NextToken();
+            OSL_ENSURE(m_aCurToken.eType == TSPECIAL, "Sm: wrong token");
+            m_aCurToken.eType = TOPER;
+            pNode.reset(new SmGlyphSpecialNode(m_aCurToken));
+            pNode->SetSelection(m_aCurESelection);
+            break;
+
+        default:
+            assert(false && "unknown case");
+    }
+
+    NextToken();
+    return pNode;
+}
+
+std::unique_ptr<SmStructureNode> SmParser5::DoUnOper()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    assert(TokenInGroup(TG::UnOper));
+
+    SmToken aNodeToken = m_aCurToken;
+    ESelection aESelection = m_aCurESelection;
+    SmTokenType eType = m_aCurToken.eType;
+    bool bIsPostfix = eType == TFACT;
+
+    std::unique_ptr<SmStructureNode> xSNode;
+    std::unique_ptr<SmNode> xOper;
+    std::unique_ptr<SmNode> xExtra;
+    std::unique_ptr<SmNode> xArg;
+
+    switch (eType)
+    {
+        case TABS:
+        case TSQRT:
+            NextToken();
+            break;
+
+        case TNROOT:
+            NextToken();
+            xExtra = DoPower();
+            break;
+
+        case TUOPER:
+            NextToken();
+            //Let the glyph know what it is...
+            m_aCurToken.eType = TUOPER;
+            m_aCurToken.nGroup = TG::UnOper;
+            xOper = DoGlyphSpecial();
+            break;
+
+        case TPLUS:
+        case TMINUS:
+        case TPLUSMINUS:
+        case TMINUSPLUS:
+        case TNEG:
+        case TFACT:
+            xOper = DoOpSubSup();
+            break;
+
+        default:
+            assert(false);
+    }
+
+    // get argument
+    xArg = DoPower();
+
+    if (eType == TABS)
+    {
+        xSNode.reset(new SmBraceNode(aNodeToken));
+        xSNode->SetSelection(aESelection);
+        xSNode->SetScaleMode(SmScaleMode::Height);
+
+        // build nodes for left & right lines
+        // (text, group, level of the used token are of no interest here)
+        // we'll use row & column of the keyword for abs
+        aNodeToken.eType = TABS;
+
+        aNodeToken.setChar(MS_VERTLINE);
+        std::unique_ptr<SmNode> xLeft(new SmMathSymbolNode(aNodeToken));
+        xLeft->SetSelection(aESelection);
+        std::unique_ptr<SmNode> xRight(new SmMathSymbolNode(aNodeToken));
+        xRight->SetSelection(aESelection);
+
+        xSNode->SetSubNodes(std::move(xLeft), std::move(xArg), std::move(xRight));
+    }
+    else if (eType == TSQRT || eType == TNROOT)
+    {
+        xSNode.reset(new SmRootNode(aNodeToken));
+        xSNode->SetSelection(aESelection);
+        xOper.reset(new SmRootSymbolNode(aNodeToken));
+        xOper->SetSelection(aESelection);
+        xSNode->SetSubNodes(std::move(xExtra), std::move(xOper), std::move(xArg));
+    }
+    else
+    {
+        xSNode.reset(new SmUnHorNode(aNodeToken));
+        xSNode->SetSelection(aESelection);
+        if (bIsPostfix)
+            xSNode->SetSubNodes(std::move(xArg), std::move(xOper));
+        else
+        {
+            // prefix operator
+            xSNode->SetSubNodes(std::move(xOper), std::move(xArg));
+        }
+    }
+    return xSNode;
+}
+
+std::unique_ptr<SmStructureNode> SmParser5::DoAttribute()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    assert(TokenInGroup(TG::Attribute));
+
+    auto xSNode = std::make_unique<SmAttributeNode>(m_aCurToken);
+    xSNode->SetSelection(m_aCurESelection);
+    std::unique_ptr<SmNode> xAttr;
+    SmScaleMode eScaleMode = SmScaleMode::None;
+
+    // get appropriate node for the attribute itself
+    switch (m_aCurToken.eType)
+    {
+        case TUNDERLINE:
+        case TOVERLINE:
+        case TOVERSTRIKE:
+            xAttr.reset(new SmRectangleNode(m_aCurToken));
+            xAttr->SetSelection(m_aCurESelection);
+            eScaleMode = SmScaleMode::Width;
+            break;
+
+        case TWIDEVEC:
+        case TWIDEHARPOON:
+        case TWIDEHAT:
+        case TWIDETILDE:
+            xAttr.reset(new SmMathSymbolNode(m_aCurToken));
+            xAttr->SetSelection(m_aCurESelection);
+            eScaleMode = SmScaleMode::Width;
+            break;
+
+        default:
+            xAttr.reset(new SmMathSymbolNode(m_aCurToken));
+            xAttr->SetSelection(m_aCurESelection);
+    }
+
+    NextToken();
+
+    xSNode->SetSubNodes(std::move(xAttr), nullptr); // the body will be filled later
+    xSNode->SetScaleMode(eScaleMode);
+    return xSNode;
+}
+
+std::unique_ptr<SmStructureNode> SmParser5::DoFontAttribute()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    assert(TokenInGroup(TG::FontAttr));
+
+    switch (m_aCurToken.eType)
+    {
+        case TITALIC:
+        case TNITALIC:
+        case TBOLD:
+        case TNBOLD:
+        case TPHANTOM:
+        {
+            auto pNode = std::make_unique<SmFontNode>(m_aCurToken);
+            pNode->SetSelection(m_aCurESelection);
+            NextToken();
+            return pNode;
+        }
+
+        case TSIZE:
+            return DoFontSize();
+
+        case TFONT:
+            return DoFont();
+
+        case TCOLOR:
+            return DoColor();
+
+        default:
+            assert(false);
+            return {};
+    }
+}
+
+std::unique_ptr<SmStructureNode> SmParser5::DoColor()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    assert(m_aCurToken.eType == TCOLOR);
+    sal_Int32 nBufferIndex = m_nBufferIndex;
+    NextTokenColor(TCOLOR);
+    SmToken aToken;
+    ESelection aESelection;
+
+    if (m_aCurToken.eType == TDVIPSNAMESCOL)
+        NextTokenColor(TDVIPSNAMESCOL);
+    if (m_aCurToken.eType == TERROR)
+        return DoError(SmParseError::ColorExpected);
+    if (TokenInGroup(TG::Color))
+    {
+        aToken = m_aCurToken;
+        aESelection = m_aCurESelection;
+        if (m_aCurToken.eType == TRGB) //loads r, g and b
+        {
+            sal_uInt32 nr, ng, nb, nc;
+            NextTokenFontSize();
+            if (lcl_IsNotWholeNumber(m_aCurToken.aText))
+                return DoError(SmParseError::ColorExpected);
+            nr = m_aCurToken.aText.toUInt32();
+            if (nr > 255)
+                return DoError(SmParseError::ColorExpected);
+            NextTokenFontSize();
+            if (lcl_IsNotWholeNumber(m_aCurToken.aText))
+                return DoError(SmParseError::ColorExpected);
+            ng = m_aCurToken.aText.toUInt32();
+            if (ng > 255)
+                return DoError(SmParseError::ColorExpected);
+            NextTokenFontSize();
+            if (lcl_IsNotWholeNumber(m_aCurToken.aText))
+                return DoError(SmParseError::ColorExpected);
+            nb = m_aCurToken.aText.toUInt32();
+            if (nb > 255)
+                return DoError(SmParseError::ColorExpected);
+            nc = nb | ng << 8 | nr << 16 | sal_uInt32(0) << 24;
+            aToken.cMathChar = OUString::number(nc, 16);
+        }
+        else if (m_aCurToken.eType == TRGBA) //loads r, g and b
+        {
+            sal_uInt32 nr, na, ng, nb, nc;
+            NextTokenFontSize();
+            if (lcl_IsNotWholeNumber(m_aCurToken.aText))
+                return DoError(SmParseError::ColorExpected);
+            nr = m_aCurToken.aText.toUInt32();
+            if (nr > 255)
+                return DoError(SmParseError::ColorExpected);
+            NextTokenFontSize();
+            if (lcl_IsNotWholeNumber(m_aCurToken.aText))
+                return DoError(SmParseError::ColorExpected);
+            ng = m_aCurToken.aText.toUInt32();
+            if (ng > 255)
+                return DoError(SmParseError::ColorExpected);
+            NextTokenFontSize();
+            if (lcl_IsNotWholeNumber(m_aCurToken.aText))
+                return DoError(SmParseError::ColorExpected);
+            nb = m_aCurToken.aText.toUInt32();
+            if (nb > 255)
+                return DoError(SmParseError::ColorExpected);
+            NextTokenFontSize();
+            if (lcl_IsNotWholeNumber(m_aCurToken.aText))
+                return DoError(SmParseError::ColorExpected);
+            na = m_aCurToken.aText.toUInt32();
+            if (na > 255)
+                return DoError(SmParseError::ColorExpected);
+            nc = nb | ng << 8 | nr << 16 | na << 24;
+            aToken.cMathChar = OUString::number(nc, 16);
+        }
+        else if (m_aCurToken.eType == THEX) //loads hex code
+        {
+            sal_uInt32 nc;
+            NextTokenFontSize();
+            if (lcl_IsNotWholeNumber16(m_aCurToken.aText))
+                return DoError(SmParseError::ColorExpected);
+            nc = m_aCurToken.aText.toUInt32(16);
+            aToken.cMathChar = OUString::number(nc, 16);
+        }
+        aToken.aText = m_aBufferString.subView(nBufferIndex, m_nBufferIndex - nBufferIndex);
+        NextToken();
+    }
+    else
+        return DoError(SmParseError::ColorExpected);
+
+    std::unique_ptr<SmStructureNode> xNode;
+    xNode.reset(new SmFontNode(aToken));
+    xNode->SetSelection(aESelection);
+    return xNode;
+}
+
+std::unique_ptr<SmStructureNode> SmParser5::DoFont()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    assert(m_aCurToken.eType == TFONT);
+
+    std::unique_ptr<SmStructureNode> xNode;
+    // last font rules, get that one
+    SmToken aToken;
+    ESelection aESelection = m_aCurESelection;
+    do
+    {
+        NextToken();
+
+        if (TokenInGroup(TG::Font))
+        {
+            aToken = m_aCurToken;
+            NextToken();
+        }
+        else
+        {
+            return DoError(SmParseError::FontExpected);
+        }
+    } while (m_aCurToken.eType == TFONT);
+
+    xNode.reset(new SmFontNode(aToken));
+    xNode->SetSelection(aESelection);
+    return xNode;
+}
+
+std::unique_ptr<SmStructureNode> SmParser5::DoFontSize()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+    std::unique_ptr<SmFontNode> pFontNode(new SmFontNode(m_aCurToken));
+    pFontNode->SetSelection(m_aCurESelection);
+    NextTokenFontSize();
+    FontSizeType Type;
+
+    switch (m_aCurToken.eType)
+    {
+        case THEX:
+            Type = FontSizeType::ABSOLUT;
+            break;
+        case TPLUS:
+            Type = FontSizeType::PLUS;
+            break;
+        case TMINUS:
+            Type = FontSizeType::MINUS;
+            break;
+        case TMULTIPLY:
+            Type = FontSizeType::MULTIPLY;
+            break;
+        case TDIVIDEBY:
+            Type = FontSizeType::DIVIDE;
+            break;
+
+        default:
+            return DoError(SmParseError::SizeExpected);
+    }
+
+    if (Type != FontSizeType::ABSOLUT)
+    {
+        NextTokenFontSize();
+        if (m_aCurToken.eType != THEX)
+            return DoError(SmParseError::SizeExpected);
+    }
+
+    // get number argument
+    Fraction aValue(1);
+    if (lcl_IsNumber(m_aCurToken.aText))
+    {
+        aValue = m_aCurToken.aText.toDouble();
+        //!! Reduce values in order to avoid numerical errors
+        if (aValue.GetDenominator() > 1000)
+        {
+            tools::Long nNum = aValue.GetNumerator();
+            tools::Long nDenom = aValue.GetDenominator();
+            while (nDenom > 1000) //remove big denominator
+            {
+                nNum /= 10;
+                nDenom /= 10;
+            }
+            aValue = Fraction(nNum, nDenom);
+        }
+    }
+    else
+        return DoError(SmParseError::SizeExpected);
+
+    pFontNode->SetSizeParameter(aValue, Type);
+    NextToken();
+    return pFontNode;
+}
+
+std::unique_ptr<SmStructureNode> SmParser5::DoBrace()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    assert(m_aCurToken.eType == TLEFT || TokenInGroup(TG::LBrace));
+
+    std::unique_ptr<SmStructureNode> xSNode(new SmBraceNode(m_aCurToken));
+    xSNode->SetSelection(m_aCurESelection);
+    std::unique_ptr<SmNode> pBody, pLeft, pRight;
+    SmScaleMode eScaleMode = SmScaleMode::None;
+    SmParseError eError = SmParseError::None;
+
+    if (m_aCurToken.eType == TLEFT)
+    {
+        NextToken();
+
+        eScaleMode = SmScaleMode::Height;
+
+        // check for left bracket
+        if (TokenInGroup(TG::LBrace) || TokenInGroup(TG::RBrace))
+        {
+            pLeft.reset(new SmMathSymbolNode(m_aCurToken));
+            pLeft->SetSelection(m_aCurESelection);
+
+            NextToken();
+            pBody = DoBracebody(true);
+
+            if (m_aCurToken.eType == TRIGHT)
+            {
+                NextToken();
+
+                // check for right bracket
+                if (TokenInGroup(TG::LBrace) || TokenInGroup(TG::RBrace))
+                {
+                    pRight.reset(new SmMathSymbolNode(m_aCurToken));
+                    pRight->SetSelection(m_aCurESelection);
+                    NextToken();
+                }
+                else
+                    eError = SmParseError::RbraceExpected;
+            }
+            else
+                eError = SmParseError::RightExpected;
+        }
+        else
+            eError = SmParseError::LbraceExpected;
+    }
+    else
+    {
+        assert(TokenInGroup(TG::LBrace));
+
+        pLeft.reset(new SmMathSymbolNode(m_aCurToken));
+        pLeft->SetSelection(m_aCurESelection);
+
+        NextToken();
+        pBody = DoBracebody(false);
+
+        SmTokenType eExpectedType = TUNKNOWN;
+        switch (pLeft->GetToken().eType)
+        {
+            case TLPARENT:
+                eExpectedType = TRPARENT;
+                break;
+            case TLBRACKET:
+                eExpectedType = TRBRACKET;
+                break;
+            case TLBRACE:
+                eExpectedType = TRBRACE;
+                break;
+            case TLDBRACKET:
+                eExpectedType = TRDBRACKET;
+                break;
+            case TLLINE:
+                eExpectedType = TRLINE;
+                break;
+            case TLDLINE:
+                eExpectedType = TRDLINE;
+                break;
+            case TLANGLE:
+                eExpectedType = TRANGLE;
+                break;
+            case TLFLOOR:
+                eExpectedType = TRFLOOR;
+                break;
+            case TLCEIL:
+                eExpectedType = TRCEIL;
+                break;
+            case TLRLINE:
+                eExpectedType = TLRLINE;
+                break;
+            case TLRDLINE:
+                eExpectedType = TLRDLINE;
+                break;
+            default:
+                SAL_WARN("starmath", "unknown case");
+        }
+
+        if (m_aCurToken.eType == eExpectedType)
+        {
+            pRight.reset(new SmMathSymbolNode(m_aCurToken));
+            pRight->SetSelection(m_aCurESelection);
+            NextToken();
+        }
+        else
+            eError = SmParseError::ParentMismatch;
+    }
+
+    if (eError == SmParseError::None)
+    {
+        assert(pLeft);
+        assert(pRight);
+        xSNode->SetSubNodes(std::move(pLeft), std::move(pBody), std::move(pRight));
+        xSNode->SetScaleMode(eScaleMode);
+        return xSNode;
+    }
+    return DoError(eError);
+}
+
+std::unique_ptr<SmBracebodyNode> SmParser5::DoBracebody(bool bIsLeftRight)
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    auto pBody = std::make_unique<SmBracebodyNode>(m_aCurToken);
+    pBody->SetSelection(m_aCurESelection);
+
+    std::vector<std::unique_ptr<SmNode>> aNodes;
+    // get body if any
+    if (bIsLeftRight)
+    {
+        do
+        {
+            if (m_aCurToken.eType == TMLINE)
+            {
+                SmMathSymbolNode* pTempNode = new SmMathSymbolNode(m_aCurToken);
+                pTempNode->SetSelection(m_aCurESelection);
+                aNodes.emplace_back(std::unique_ptr<SmMathSymbolNode>(pTempNode));
+                NextToken();
+            }
+            else if (m_aCurToken.eType != TRIGHT)
+            {
+                aNodes.push_back(DoAlign());
+                if (m_aCurToken.eType != TMLINE && m_aCurToken.eType != TRIGHT)
+                    aNodes.emplace_back(DoError(SmParseError::RightExpected));
+            }
+        } while (m_aCurToken.eType != TEND && m_aCurToken.eType != TRIGHT);
+    }
+    else
+    {
+        do
+        {
+            if (m_aCurToken.eType == TMLINE)
+            {
+                SmMathSymbolNode* pTempNode = new SmMathSymbolNode(m_aCurToken);
+                pTempNode->SetSelection(m_aCurESelection);
+                aNodes.emplace_back(std::unique_ptr<SmMathSymbolNode>(pTempNode));
+                NextToken();
+            }
+            else if (!TokenInGroup(TG::RBrace))
+            {
+                aNodes.push_back(DoAlign());
+                if (m_aCurToken.eType != TMLINE && !TokenInGroup(TG::RBrace))
+                    aNodes.emplace_back(DoError(SmParseError::RbraceExpected));
+            }
+        } while (m_aCurToken.eType != TEND && !TokenInGroup(TG::RBrace));
+    }
+
+    pBody->SetSubNodes(buildNodeArray(aNodes));
+    pBody->SetScaleMode(bIsLeftRight ? SmScaleMode::Height : SmScaleMode::None);
+    return pBody;
+}
+
+std::unique_ptr<SmNode> SmParser5::DoEvaluate()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    // Create node
+    std::unique_ptr<SmStructureNode> xSNode(new SmBraceNode(m_aCurToken));
+    xSNode->SetSelection(m_aCurESelection);
+    SmToken aToken(TRLINE, MS_VERTLINE, "evaluate", TG::RBrace, 5);
+
+    // Parse body && left none
+    NextToken();
+    std::unique_ptr<SmNode> pBody = DoPower();
+    SmToken bToken(TNONE, '\0', "", TG::LBrace, 5);
+    std::unique_ptr<SmNode> pLeft;
+    pLeft.reset(new SmMathSymbolNode(bToken));
+
+    // Mount nodes
+    std::unique_ptr<SmNode> pRight;
+    pRight.reset(new SmMathSymbolNode(aToken));
+    xSNode->SetSubNodes(std::move(pLeft), std::move(pBody), std::move(pRight));
+    xSNode->SetScaleMode(SmScaleMode::Height); // scalable line
+
+    // Parse from to
+    if (m_aCurToken.nGroup == TG::Limit)
+    {
+        std::unique_ptr<SmNode> rSNode;
+        rSNode = DoSubSupEvaluate(std::move(xSNode));
+        rSNode->GetToken().eType = TEVALUATE;
+        return rSNode;
+    }
+
+    return xSNode;
+}
+
+std::unique_ptr<SmTextNode> SmParser5::DoFunction()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    if (m_aCurToken.eType == TFUNC)
+    {
+        NextToken(); // skip "FUNC"-statement
+        m_aCurToken.eType = TFUNC;
+        m_aCurToken.nGroup = TG::Function;
+    }
+    auto pNode = std::make_unique<SmTextNode>(m_aCurToken, FNT_FUNCTION);
+    pNode->SetSelection(m_aCurESelection);
+    NextToken();
+    return pNode;
+}
+
+std::unique_ptr<SmTableNode> SmParser5::DoBinom()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    auto xSNode = std::make_unique<SmTableNode>(m_aCurToken);
+    xSNode->SetSelection(m_aCurESelection);
+
+    NextToken();
+
+    auto xFirst = DoSum();
+    auto xSecond = DoSum();
+    xSNode->SetSubNodes(std::move(xFirst), std::move(xSecond));
+    return xSNode;
+}
+
+std::unique_ptr<SmBinVerNode> SmParser5::DoFrac()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    std::unique_ptr<SmBinVerNode> xSNode = std::make_unique<SmBinVerNode>(m_aCurToken);
+    xSNode->SetSelection(m_aCurESelection);
+    std::unique_ptr<SmNode> xOper = std::make_unique<SmRectangleNode>(m_aCurToken);
+    xOper->SetSelection(m_aCurESelection);
+
+    NextToken();
+
+    auto xFirst = DoSum();
+    auto xSecond = DoSum();
+    xSNode->SetSubNodes(std::move(xFirst), std::move(xOper), std::move(xSecond));
+    return xSNode;
+}
+
+std::unique_ptr<SmStructureNode> SmParser5::DoStack()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    std::unique_ptr<SmStructureNode> xSNode(new SmTableNode(m_aCurToken));
+    xSNode->SetSelection(m_aCurESelection);
+    NextToken();
+    if (m_aCurToken.eType != TLGROUP)
+        return DoError(SmParseError::LgroupExpected);
+    std::vector<std::unique_ptr<SmNode>> aExprArr;
+    do
+    {
+        NextToken();
+        aExprArr.push_back(DoAlign());
+    } while (m_aCurToken.eType == TPOUND);
+
+    if (m_aCurToken.eType == TRGROUP)
+        NextToken();
+    else
+        aExprArr.emplace_back(DoError(SmParseError::RgroupExpected));
+
+    xSNode->SetSubNodes(buildNodeArray(aExprArr));
+    return xSNode;
+}
+
+std::unique_ptr<SmStructureNode> SmParser5::DoMatrix()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    std::unique_ptr<SmMatrixNode> xMNode(new SmMatrixNode(m_aCurToken));
+    xMNode->SetSelection(m_aCurESelection);
+    NextToken();
+    if (m_aCurToken.eType != TLGROUP)
+        return DoError(SmParseError::LgroupExpected);
+
+    std::vector<std::unique_ptr<SmNode>> aExprArr;
+    do
+    {
+        NextToken();
+        aExprArr.push_back(DoAlign());
+    } while (m_aCurToken.eType == TPOUND);
+
+    size_t nCol = aExprArr.size();
+    size_t nRow = 1;
+    while (m_aCurToken.eType == TDPOUND)
+    {
+        NextToken();
+        for (size_t i = 0; i < nCol; i++)
+        {
+            auto xNode = DoAlign();
+            if (i < (nCol - 1))
+            {
+                if (m_aCurToken.eType == TPOUND)
+                    NextToken();
+                else
+                    xNode = DoError(SmParseError::PoundExpected);
+            }
+            aExprArr.emplace_back(std::move(xNode));
+        }
+        ++nRow;
+    }
+
+    if (m_aCurToken.eType == TRGROUP)
+        NextToken();
+    else
+    {
+        std::unique_ptr<SmNode> xENode(DoError(SmParseError::RgroupExpected));
+        if (aExprArr.empty())
+            nRow = nCol = 1;
+        else
+            aExprArr.pop_back();
+        aExprArr.emplace_back(std::move(xENode));
+    }
+
+    xMNode->SetSubNodes(buildNodeArray(aExprArr));
+    xMNode->SetRowCol(static_cast<sal_uInt16>(nRow), static_cast<sal_uInt16>(nCol));
+    return std::unique_ptr<SmStructureNode>(xMNode.release());
+}
+
+std::unique_ptr<SmSpecialNode> SmParser5::DoSpecial()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    bool bReplace = false;
+    OUString& rName = m_aCurToken.aText;
+    OUString aNewName;
+
+    // conversion of symbol names for 6.0 (XML) file format
+    // (name change on import / export.
+    // UI uses localized names XML file format does not.)
+    if (rName.startsWith("%"))
+    {
+        if (IsImportSymbolNames())
+        {
+            const SmSym* pSym
+                = SM_MOD()->GetSymbolManager().GetSymbolByExportName(rName.subView(1));
+            if (pSym)
+            {
+                aNewName = pSym->GetUiName();
+                bReplace = true;
+            }
+        }
+        else if (IsExportSymbolNames())
+        {
+            const SmSym* pSym = SM_MOD()->GetSymbolManager().GetSymbolByUiName(rName.subView(1));
+            if (pSym)
+            {
+                aNewName = pSym->GetExportName();
+                bReplace = true;
+            }
+        }
+    }
+    if (!aNewName.isEmpty())
+        aNewName = "%" + aNewName;
+
+    if (bReplace && !aNewName.isEmpty() && rName != aNewName)
+    {
+        Replace(GetTokenIndex(), rName.getLength(), aNewName);
+        rName = aNewName;
+    }
+
+    // add symbol name to list of used symbols
+    const OUString aSymbolName(m_aCurToken.aText.copy(1));
+    if (!aSymbolName.isEmpty())
+        m_aUsedSymbols.insert(aSymbolName);
+
+    auto pNode = std::make_unique<SmSpecialNode>(m_aCurToken);
+    pNode->SetSelection(m_aCurESelection);
+    NextToken();
+    return pNode;
+}
+
+std::unique_ptr<SmGlyphSpecialNode> SmParser5::DoGlyphSpecial()
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    auto pNode = std::make_unique<SmGlyphSpecialNode>(m_aCurToken);
+    NextToken();
+    return pNode;
+}
+
+std::unique_ptr<SmExpressionNode> SmParser5::DoError(SmParseError eError)
+{
+    DepthProtect aDepthGuard(m_nParseDepth);
+
+    // Identify error message
+    OUString sStrBuf(SmResId(RID_ERR_IDENT) + starmathdatabase::getParseErrorDesc(eError));
+
+    // Generate error node
+    m_aCurToken.eType = TERROR;
+    m_aCurToken.cMathChar = sStrBuf;
+    auto xSNode = std::make_unique<SmExpressionNode>(m_aCurToken);
+    SmErrorNode* pErr(new SmErrorNode(m_aCurToken));
+    pErr->SetSelection(m_aCurESelection);
+    xSNode->SetSubNode(0, pErr);
+
+    // Append error to the error list
+    SmErrorDesc aErrDesc(eError, xSNode.get(), m_aCurToken.cMathChar);
+    m_aErrDescList.push_back(aErrDesc);
+
+    NextToken();
+
+    return xSNode;
+}
+
+// end grammar
+
+SmParser5::SmParser5()
+    : m_nCurError(0)
+    , m_nBufferIndex(0)
+    , m_nTokenIndex(0)
+    , m_nRow(0)
+    , m_nColOff(0)
+    , m_bImportSymNames(false)
+    , m_bExportSymNames(false)
+    , m_nParseDepth(0)
+    , m_aNumCC(LanguageTag(LANGUAGE_ENGLISH_US))
+    , m_pSysCC(&SM_MOD()->GetSysLocale().GetCharClass())
+{
+}
+
+SmParser5::~SmParser5() {}
+
+std::unique_ptr<SmTableNode> SmParser5::Parse(const OUString& rBuffer)
+{
+    m_aUsedSymbols.clear();
+
+    m_aBufferString = convertLineEnd(rBuffer, LINEEND_LF);
+    m_nBufferIndex = 0;
+    m_nTokenIndex = 0;
+    m_nRow = 0;
+    m_nColOff = 0;
+    m_nCurError = -1;
+
+    m_aErrDescList.clear();
+
+    NextToken();
+    return DoTable();
+}
+
+std::unique_ptr<SmNode> SmParser5::ParseExpression(const OUString& rBuffer)
+{
+    m_aBufferString = convertLineEnd(rBuffer, LINEEND_LF);
+    m_nBufferIndex = 0;
+    m_nTokenIndex = 0;
+    m_nRow = 0;
+    m_nColOff = 0;
+    m_nCurError = -1;
+
+    m_aErrDescList.clear();
+
+    NextToken();
+    return DoExpression();
+}
+
+const SmErrorDesc* SmParser5::NextError()
+{
+    if (!m_aErrDescList.empty())
+        if (m_nCurError > 0)
+            return &m_aErrDescList[--m_nCurError];
+        else
+        {
+            m_nCurError = 0;
+            return &m_aErrDescList[m_nCurError];
+        }
+    else
+        return nullptr;
+}
+
+const SmErrorDesc* SmParser5::PrevError()
+{
+    if (!m_aErrDescList.empty())
+        if (m_nCurError < static_cast<int>(m_aErrDescList.size() - 1))
+            return &m_aErrDescList[++m_nCurError];
+        else
+        {
+            m_nCurError = static_cast<int>(m_aErrDescList.size() - 1);
+            return &m_aErrDescList[m_nCurError];
+        }
+    else
+        return nullptr;
+}
+
+const SmErrorDesc* SmParser5::GetError() const
+{
+    if (m_aErrDescList.empty())
+        return nullptr;
+    return &m_aErrDescList.front();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/parsebase.cxx b/starmath/source/parsebase.cxx
new file mode 100644
index 0000000000..31c1e40c9c
--- /dev/null
+++ b/starmath/source/parsebase.cxx
@@ -0,0 +1,50 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <parsebase.hxx>
+#include <strings.hrc>
+#include <smmod.hxx>
+
+const TranslateId starmathdatabase::SmParseErrorDesc[] = {
+    // clang-format off
+    RID_ERR_NONE,
+    RID_ERR_UNEXPECTEDCHARACTER,
+    RID_ERR_UNEXPECTEDTOKEN,
+    RID_ERR_POUNDEXPECTED,
+    RID_ERR_COLOREXPECTED,
+    RID_ERR_LGROUPEXPECTED,
+    RID_ERR_RGROUPEXPECTED,
+    RID_ERR_LBRACEEXPECTED,
+    RID_ERR_RBRACEEXPECTED,
+    RID_ERR_PARENTMISMATCH,
+    RID_ERR_RIGHTEXPECTED,
+    RID_ERR_FONTEXPECTED,
+    RID_ERR_SIZEEXPECTED,
+    RID_ERR_DOUBLEALIGN,
+    RID_ERR_DOUBLESUBSUPSCRIPT,
+    RID_ERR_NUMBEREXPECTED
+    // clang-format on
+};
+
+OUString starmathdatabase::getParseErrorDesc(SmParseError err)
+{
+    return SmResId(starmathdatabase::SmParseErrorDesc[static_cast<uint_fast8_t>(err)]);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/rect.cxx b/starmath/source/rect.cxx
new file mode 100644
index 0000000000..807ab7d0c0
--- /dev/null
+++ b/starmath/source/rect.cxx
@@ -0,0 +1,621 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <osl/diagnose.h>
+#include <o3tl/sorted_vector.hxx>
+#include <vcl/metric.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/virdev.hxx>
+#include <sal/log.hxx>
+
+#include <format.hxx>
+#include <rect.hxx>
+#include <types.hxx>
+#include <smmod.hxx>
+
+namespace {
+
+bool SmGetGlyphBoundRect(const vcl::RenderContext &rDev,
+                         const OUString &rText, tools::Rectangle &rRect)
+    // basically the same as 'GetTextBoundRect' (in class 'OutputDevice')
+    // but with a string as argument.
+{
+    // handle special case first
+    if (rText.isEmpty())
+    {
+        rRect.SetEmpty();
+        return true;
+    }
+
+    // get a device where 'OutputDevice::GetTextBoundRect' will be successful
+    OutputDevice *pGlyphDev;
+    if (rDev.GetOutDevType() != OUTDEV_PRINTER)
+        pGlyphDev = const_cast<OutputDevice *>(&rDev);
+    else
+    {
+        // since we format for the printer (where GetTextBoundRect will fail)
+        // we need a virtual device here.
+        pGlyphDev = &SM_MOD()->GetDefaultVirtualDev();
+    }
+
+    const FontMetric  aDevFM (rDev.GetFontMetric());
+
+    pGlyphDev->Push(vcl::PushFlags::FONT | vcl::PushFlags::MAPMODE);
+    vcl::Font aFnt(rDev.GetFont());
+    aFnt.SetAlignment(ALIGN_TOP);
+
+    // use scale factor when calling GetTextBoundRect to counter
+    // negative effects from antialiasing which may otherwise result
+    // in significant incorrect bounding rectangles for some characters.
+    Size aFntSize = aFnt.GetFontSize();
+
+    // Workaround to avoid HUGE font sizes and resulting problems
+    tools::Long nScaleFactor = 1;
+    while( aFntSize.Height() > 2000 * nScaleFactor )
+        nScaleFactor *= 2;
+
+    aFnt.SetFontSize( Size( aFntSize.Width() / nScaleFactor, aFntSize.Height() / nScaleFactor ) );
+    pGlyphDev->SetFont(aFnt);
+
+    tools::Long nTextWidth = rDev.GetTextWidth(rText);
+    tools::Rectangle   aResult (Point(), Size(nTextWidth, rDev.GetTextHeight())),
+                       aTmp;
+
+    bool bSuccess = pGlyphDev->GetTextBoundRect(aTmp, rText);
+    OSL_ENSURE( bSuccess, "GetTextBoundRect failed" );
+
+
+    if (!aTmp.IsEmpty())
+    {
+        aResult = tools::Rectangle(aTmp.Left() * nScaleFactor, aTmp.Top() * nScaleFactor,
+                            aTmp.Right() * nScaleFactor, aTmp.Bottom() * nScaleFactor);
+        if (&rDev != pGlyphDev) /* only when rDev is a printer... */
+        {
+            tools::Long nGDTextWidth  = pGlyphDev->GetTextWidth(rText);
+            if (nGDTextWidth != 0  &&
+                nTextWidth != nGDTextWidth)
+            {
+                aResult.SetRight( aResult.Right() * nTextWidth );
+                aResult.SetRight( aResult.Right() / ( nGDTextWidth * nScaleFactor) );
+            }
+        }
+    }
+
+    // move rectangle to match possibly different baselines
+    // (because of different devices)
+    tools::Long nDelta = aDevFM.GetAscent() - pGlyphDev->GetFontMetric().GetAscent() * nScaleFactor;
+    aResult.Move(0, nDelta);
+
+    pGlyphDev->Pop();
+
+    rRect = aResult;
+    return bSuccess;
+}
+
+bool SmIsMathAlpha(std::u16string_view aText)
+    // true iff symbol (from StarMath Font) should be treated as letter
+{
+    // Set of symbols, which should be treated as letters in StarMath Font
+    // (to get a normal (non-clipped) SmRect in contrast to the other operators
+    // and symbols).
+    static o3tl::sorted_vector<sal_Unicode> const aMathAlpha({
+        MS_ALEPH,               MS_IM,                  MS_RE,
+        MS_WP,                  u'\xE070',              MS_EMPTYSET,
+        u'\x2113',              u'\xE0D6',              u'\x2107',
+        u'\x2127',              u'\x210A',              MS_HBAR,
+        MS_LAMBDABAR,           MS_SETN,                MS_SETZ,
+        MS_SETQ,                MS_SETR,                MS_SETC,
+        u'\x2373',              u'\xE0A5',              u'\x2112',
+        u'\x2130',              u'\x2131'
+    });
+
+    if (aText.empty())
+        return false;
+
+    OSL_ENSURE(aText.size() == 1, "Sm : string must be exactly one character long");
+    sal_Unicode cChar = aText[0];
+
+    // is it a greek symbol?
+    if (u'\xE0AC' <= cChar  &&  cChar <= u'\xE0D4')
+        return true;
+    // or, does it appear in 'aMathAlpha'?
+    return aMathAlpha.find(cChar) != aMathAlpha.end();
+}
+
+}
+
+
+SmRect::SmRect()
+    // constructs empty rectangle at (0, 0) with width and height 0.
+    : aTopLeft(0, 0)
+    , aSize(0, 0)
+    , nBaseline(0)
+    , nAlignT(0)
+    , nAlignM(0)
+    , nAlignB(0)
+    , nGlyphTop(0)
+    , nGlyphBottom(0)
+    , nItalicLeftSpace(0)
+    , nItalicRightSpace(0)
+    , nLoAttrFence(0)
+    , nHiAttrFence(0)
+    , nBorderWidth(0)
+    , bHasBaseline(false)
+    , bHasAlignInfo(false)
+{
+}
+
+
+void SmRect::CopyAlignInfo(const SmRect &rRect)
+{
+    nBaseline     = rRect.nBaseline;
+    bHasBaseline  = rRect.bHasBaseline;
+    nAlignT       = rRect.nAlignT;
+    nAlignM       = rRect.nAlignM;
+    nAlignB       = rRect.nAlignB;
+    bHasAlignInfo = rRect.bHasAlignInfo;
+    nLoAttrFence  = rRect.nLoAttrFence;
+    nHiAttrFence  = rRect.nHiAttrFence;
+}
+
+
+SmRect::SmRect(const OutputDevice &rDev, const SmFormat *pFormat,
+               const OUString &rText, sal_uInt16 nBorder)
+    // get rectangle fitting for drawing 'rText' on OutputDevice 'rDev'
+    : aTopLeft(0, 0)
+    , aSize(rDev.GetTextWidth(rText), rDev.GetTextHeight())
+{
+    const FontMetric  aFM (rDev.GetFontMetric());
+    bool              bIsMath  = aFM.GetFamilyName().equalsIgnoreAsciiCase( FONTNAME_MATH );
+    bool              bAllowSmaller = bIsMath && !SmIsMathAlpha(rText);
+    const tools::Long        nFontHeight = rDev.GetFont().GetFontSize().Height();
+
+    nBorderWidth  = nBorder;
+    bHasAlignInfo = true;
+    bHasBaseline  = true;
+    nBaseline     = aFM.GetAscent();
+    nAlignT       = nBaseline - nFontHeight * 750 / 1000;
+    nAlignM       = nBaseline - nFontHeight * 121 / 422;
+        // that's where the horizontal bars of '+', '-', ... are
+        // (1/3 of ascent over baseline)
+        // (121 = 1/3 of 12pt ascent, 422 = 12pt fontheight)
+    nAlignB       = nBaseline;
+
+    // workaround for printer fonts with very small (possible 0 or even
+    // negative(!)) leading
+    if (aFM.GetInternalLeading() < 5  &&  rDev.GetOutDevType() == OUTDEV_PRINTER)
+    {
+        OutputDevice    *pWindow = Application::GetDefaultDevice();
+
+        pWindow->Push(vcl::PushFlags::MAPMODE | vcl::PushFlags::FONT);
+
+        pWindow->SetMapMode(rDev.GetMapMode());
+        pWindow->SetFont(rDev.GetFontMetric());
+
+        tools::Long  nDelta = pWindow->GetFontMetric().GetInternalLeading();
+        if (nDelta == 0)
+        {   // this value approx. fits a Leading of 80 at a
+            // Fontheight of 422 (12pt)
+            nDelta = nFontHeight * 8 / 43;
+        }
+        SetTop(GetTop() - nDelta);
+
+        pWindow->Pop();
+    }
+
+    // get GlyphBoundRect
+    tools::Rectangle  aGlyphRect;
+    bool bSuccess = SmGetGlyphBoundRect(rDev, rText, aGlyphRect);
+    if (!bSuccess)
+        SAL_WARN("starmath", "Ooops... (Font missing?)");
+
+    nItalicLeftSpace  = GetLeft() - aGlyphRect.Left() + nBorderWidth;
+    nItalicRightSpace = aGlyphRect.Right() - GetRight() + nBorderWidth;
+    if (nItalicLeftSpace  < 0  &&  !bAllowSmaller)
+        nItalicLeftSpace  = 0;
+    if (nItalicRightSpace < 0  &&  !bAllowSmaller)
+        nItalicRightSpace = 0;
+
+    tools::Long  nDist = 0;
+    if (pFormat)
+        nDist = (rDev.GetFont().GetFontSize().Height()
+                * pFormat->GetDistance(DIS_ORNAMENTSIZE)) / 100;
+
+    nHiAttrFence = aGlyphRect.Top() - 1 - nBorderWidth - nDist;
+    nLoAttrFence = SmFromTo(GetAlignB(), GetBottom(), 0.0);
+
+    nGlyphTop    = aGlyphRect.Top() - nBorderWidth;
+    nGlyphBottom = aGlyphRect.Bottom() + nBorderWidth;
+
+    if (bAllowSmaller)
+    {
+        // for symbols and operators from the StarMath Font
+        // we adjust upper and lower margin of the symbol
+        SetTop(nGlyphTop);
+        SetBottom(nGlyphBottom);
+    }
+
+    if (nHiAttrFence < GetTop())
+        nHiAttrFence = GetTop();
+
+    if (nLoAttrFence > GetBottom())
+        nLoAttrFence = GetBottom();
+
+    OSL_ENSURE(rText.isEmpty() || !IsEmpty(),
+               "Sm: empty rectangle created");
+}
+
+
+SmRect::SmRect(tools::Long nWidth, tools::Long nHeight)
+    // this constructor should never be used for anything textlike because
+    // it will not provide useful values for baseline, AlignT and AlignB!
+    // It's purpose is to get a 'SmRect' for the horizontal line in fractions
+    // as used in 'SmBinVerNode'.
+    : aTopLeft(0, 0)
+    , aSize(nWidth, nHeight)
+    , nBaseline(0)
+    , nItalicLeftSpace(0)
+    , nItalicRightSpace(0)
+    , nBorderWidth(0)
+    , bHasBaseline(false)
+    , bHasAlignInfo(true)
+{
+    nAlignT = nGlyphTop    = nHiAttrFence = GetTop();
+    nAlignB = nGlyphBottom = nLoAttrFence = GetBottom();
+    nAlignM = (nAlignT + nAlignB) / 2;        // this is the default
+}
+
+
+void SmRect::SetLeft(tools::Long nLeft)
+{
+    if (nLeft <= GetRight())
+    {   aSize.setWidth( GetRight() - nLeft + 1 );
+        aTopLeft.setX( nLeft );
+    }
+}
+
+
+void SmRect::SetRight(tools::Long nRight)
+{
+    if (nRight >= GetLeft())
+        aSize.setWidth( nRight - GetLeft() + 1 );
+}
+
+
+void SmRect::SetBottom(tools::Long nBottom)
+{
+    if (nBottom >= GetTop())
+        aSize.setHeight( nBottom - GetTop() + 1 );
+}
+
+
+void SmRect::SetTop(tools::Long nTop)
+{
+    if (nTop <= GetBottom())
+    {   aSize.setHeight( GetBottom() - nTop + 1 );
+        aTopLeft.setY( nTop );
+    }
+}
+
+
+void SmRect::Move(const Point &rPosition)
+    // move rectangle by position 'rPosition'.
+{
+    aTopLeft  += rPosition;
+
+    tools::Long  nDelta = rPosition.Y();
+    nBaseline += nDelta;
+    nAlignT   += nDelta;
+    nAlignM   += nDelta;
+    nAlignB   += nDelta;
+    nGlyphTop    += nDelta;
+    nGlyphBottom += nDelta;
+    nHiAttrFence += nDelta;
+    nLoAttrFence += nDelta;
+}
+
+
+Point SmRect::AlignTo(const SmRect &rRect, RectPos ePos,
+                            RectHorAlign eHor, RectVerAlign eVer) const
+{   Point  aPos (GetTopLeft());
+        // will become the topleft point of the new rectangle position
+
+    // set horizontal or vertical new rectangle position depending on ePos
+    switch (ePos)
+    {   case RectPos::Left:
+            aPos.setX( rRect.GetItalicLeft() - GetItalicRightSpace()
+                       - GetWidth() );
+            break;
+        case RectPos::Right:
+            aPos.setX( rRect.GetItalicRight() + 1 + GetItalicLeftSpace() );
+            break;
+        case RectPos::Top:
+            aPos.setY( rRect.GetTop() - GetHeight() );
+            break;
+        case RectPos::Bottom:
+            aPos.setY( rRect.GetBottom() + 1 );
+            break;
+        case RectPos::Attribute:
+            aPos.setX( rRect.GetItalicCenterX() - GetItalicWidth() / 2
+                       + GetItalicLeftSpace() );
+            break;
+        default:
+            assert(false);
+    }
+
+    // check if horizontal position is already set
+    if (ePos == RectPos::Left || ePos == RectPos::Right || ePos == RectPos::Attribute)
+        // correct error in current vertical position
+        switch (eVer)
+        {   case RectVerAlign::Top :
+                aPos.AdjustY(rRect.GetAlignT() - GetAlignT() );
+                break;
+            case RectVerAlign::Mid :
+                aPos.AdjustY(rRect.GetAlignM() - GetAlignM() );
+                break;
+            case RectVerAlign::Baseline :
+                // align baselines if possible else align mid's
+                if (HasBaseline() && rRect.HasBaseline())
+                    aPos.AdjustY(rRect.GetBaseline() - GetBaseline() );
+                else
+                    aPos.AdjustY(rRect.GetAlignM() - GetAlignM() );
+                break;
+            case RectVerAlign::Bottom :
+                aPos.AdjustY(rRect.GetAlignB() - GetAlignB() );
+                break;
+            case RectVerAlign::CenterY :
+                aPos.AdjustY(rRect.GetCenterY() - GetCenterY() );
+                break;
+            case RectVerAlign::AttributeHi:
+                aPos.AdjustY(rRect.GetHiAttrFence() - GetBottom() );
+                break;
+            case RectVerAlign::AttributeMid :
+                aPos.AdjustY(SmFromTo(rRect.GetAlignB(), rRect.GetAlignT(), 0.4)
+                            - GetCenterY() );
+                break;
+            case RectVerAlign::AttributeLo :
+                aPos.AdjustY(rRect.GetLoAttrFence() - GetTop() );
+                break;
+        default :
+                assert(false);
+        }
+
+    // check if vertical position is already set
+    if (ePos == RectPos::Top || ePos == RectPos::Bottom)
+        // correct error in current horizontal position
+        switch (eHor)
+        {   case RectHorAlign::Left:
+                aPos.AdjustX(rRect.GetItalicLeft() - GetItalicLeft() );
+                break;
+            case RectHorAlign::Center:
+                aPos.AdjustX(rRect.GetItalicCenterX() - GetItalicCenterX() );
+                break;
+            case RectHorAlign::Right:
+                aPos.AdjustX(rRect.GetItalicRight() - GetItalicRight() );
+                break;
+            default:
+                assert(false);
+        }
+
+    return aPos;
+}
+
+
+void SmRect::Union(const SmRect &rRect)
+    // rectangle union of current one with 'rRect'. The result is to be the
+    // smallest rectangles that covers the space of both rectangles.
+    // (empty rectangles cover no space)
+    //! Italic correction is NOT taken into account here!
+{
+    if (rRect.IsEmpty())
+        return;
+
+    tools::Long  nL  = rRect.GetLeft(),
+          nR  = rRect.GetRight(),
+          nT  = rRect.GetTop(),
+          nB  = rRect.GetBottom(),
+          nGT = rRect.nGlyphTop,
+          nGB = rRect.nGlyphBottom;
+    if (!IsEmpty())
+    {   tools::Long  nTmp;
+
+        if ((nTmp = GetLeft()) < nL)
+            nL = nTmp;
+        if ((nTmp = GetRight()) > nR)
+            nR = nTmp;
+        if ((nTmp = GetTop()) < nT)
+            nT = nTmp;
+        if ((nTmp = GetBottom()) > nB)
+            nB = nTmp;
+        if ((nTmp = nGlyphTop) < nGT)
+            nGT = nTmp;
+        if ((nTmp = nGlyphBottom) > nGB)
+            nGB = nTmp;
+    }
+
+    SetLeft(nL);
+    SetRight(nR);
+    SetTop(nT);
+    SetBottom(nB);
+    nGlyphTop    = nGT;
+    nGlyphBottom = nGB;
+}
+
+
+SmRect & SmRect::ExtendBy(const SmRect &rRect, RectCopyMBL eCopyMode)
+    // let current rectangle be the union of itself and 'rRect'
+    // (the smallest rectangle surrounding both). Also adapt values for
+    // 'AlignT', 'AlignM', 'AlignB', baseline and italic-spaces.
+    // The baseline is set according to 'eCopyMode'.
+    // If one of the rectangles has no relevant info the other one is copied.
+{
+    // get some values used for (italic) spaces adaptation
+    // ! (need to be done before changing current SmRect) !
+    tools::Long  nL = std::min(GetItalicLeft(),  rRect.GetItalicLeft()),
+          nR = std::max(GetItalicRight(), rRect.GetItalicRight());
+
+    Union(rRect);
+
+    SetItalicSpaces(GetLeft() - nL, nR - GetRight());
+
+    if (!HasAlignInfo())
+        CopyAlignInfo(rRect);
+    else if (rRect.HasAlignInfo())
+    {
+        assert(HasAlignInfo());
+        nAlignT = std::min(GetAlignT(), rRect.GetAlignT());
+        nAlignB = std::max(GetAlignB(), rRect.GetAlignB());
+        nHiAttrFence = std::min(GetHiAttrFence(), rRect.GetHiAttrFence());
+        nLoAttrFence = std::max(GetLoAttrFence(), rRect.GetLoAttrFence());
+
+        switch (eCopyMode)
+        {   case RectCopyMBL::This:
+                // already done
+                break;
+            case RectCopyMBL::Arg:
+                CopyMBL(rRect);
+                break;
+            case RectCopyMBL::None:
+                bHasBaseline = false;
+                nAlignM = (nAlignT + nAlignB) / 2;
+                break;
+            case RectCopyMBL::Xor:
+                if (!HasBaseline())
+                    CopyMBL(rRect);
+                break;
+            default :
+                assert(false);
+        }
+    }
+
+    return *this;
+}
+
+
+void SmRect::ExtendBy(const SmRect &rRect, RectCopyMBL eCopyMode,
+                          tools::Long nNewAlignM)
+    // as 'ExtendBy' but sets AlignM value to 'nNewAlignM'.
+    // (this version will be used in 'SmBinVerNode' to provide means to
+    // align eg "{a over b} over c" correctly where AlignM should not
+    // be (AlignT + AlignB) / 2)
+{
+    OSL_ENSURE(HasAlignInfo(), "Sm: no align info");
+
+    ExtendBy(rRect, eCopyMode);
+    nAlignM = nNewAlignM;
+}
+
+
+SmRect & SmRect::ExtendBy(const SmRect &rRect, RectCopyMBL eCopyMode,
+                          bool bKeepVerAlignParams)
+    // as 'ExtendBy' but keeps original values for AlignT, -M and -B and
+    // baseline.
+    // (this is used in 'SmSupSubNode' where the sub-/supscripts shouldn't
+    // be allowed to modify these values.)
+{
+    tools::Long  nOldAlignT   = GetAlignT(),
+          nOldAlignM   = GetAlignM(),
+          nOldAlignB   = GetAlignB(),
+          nOldBaseline = nBaseline;     //! depends not on 'HasBaseline'
+    bool  bOldHasAlignInfo = HasAlignInfo();
+
+    ExtendBy(rRect, eCopyMode);
+
+    if (bKeepVerAlignParams)
+    {   nAlignT   = nOldAlignT;
+        nAlignM   = nOldAlignM;
+        nAlignB   = nOldAlignB;
+        nBaseline = nOldBaseline;
+        bHasAlignInfo = bOldHasAlignInfo;
+    }
+
+    return *this;
+}
+
+
+tools::Long SmRect::OrientedDist(const Point &rPoint) const
+    // return oriented distance of rPoint to the current rectangle,
+    // especially the return value is <= 0 iff the point is inside the
+    // rectangle.
+    // For simplicity the maximum-norm is used.
+{
+    bool  bIsInside = IsInsideItalicRect(rPoint);
+
+    // build reference point to define the distance
+    Point  aRef;
+    if (bIsInside)
+    {   Point  aIC (GetItalicCenterX(), GetCenterY());
+
+        aRef.setX( rPoint.X() >= aIC.X() ? GetItalicRight() : GetItalicLeft() );
+        aRef.setY( rPoint.Y() >= aIC.Y() ? GetBottom() : GetTop() );
+    }
+    else
+    {
+        // x-coordinate
+        if (rPoint.X() > GetItalicRight())
+            aRef.setX( GetItalicRight() );
+        else if (rPoint.X() < GetItalicLeft())
+            aRef.setX( GetItalicLeft() );
+        else
+            aRef.setX( rPoint.X() );
+        // y-coordinate
+        if (rPoint.Y() > GetBottom())
+            aRef.setY( GetBottom() );
+        else if (rPoint.Y() < GetTop())
+            aRef.setY( GetTop() );
+        else
+            aRef.setY( rPoint.Y() );
+    }
+
+    // build distance vector
+    Point  aDist (aRef - rPoint);
+
+    tools::Long nAbsX = std::abs(aDist.X()),
+         nAbsY = std::abs(aDist.Y());
+
+    return bIsInside ? - std::min(nAbsX, nAbsY) : std::max (nAbsX, nAbsY);
+}
+
+
+bool SmRect::IsInsideRect(const Point &rPoint) const
+{
+    return     rPoint.Y() >= GetTop()
+           &&  rPoint.Y() <= GetBottom()
+           &&  rPoint.X() >= GetLeft()
+           &&  rPoint.X() <= GetRight();
+}
+
+
+bool SmRect::IsInsideItalicRect(const Point &rPoint) const
+{
+    return     rPoint.Y() >= GetTop()
+           &&  rPoint.Y() <= GetBottom()
+           &&  rPoint.X() >= GetItalicLeft()
+           &&  rPoint.X() <= GetItalicRight();
+}
+
+SmRect SmRect::AsGlyphRect() const
+{
+    SmRect aRect (*this);
+    aRect.SetTop(nGlyphTop);
+    aRect.SetBottom(nGlyphBottom);
+    return aRect;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/rtfexport.cxx b/starmath/source/rtfexport.cxx
new file mode 100644
index 0000000000..ee5c486eae
--- /dev/null
+++ b/starmath/source/rtfexport.cxx
@@ -0,0 +1,502 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include "rtfexport.hxx"
+
+#include <svtools/rtfkeywd.hxx>
+#include <filter/msfilter/rtfutil.hxx>
+
+SmRtfExport::SmRtfExport(const SmNode* pIn)
+    : SmWordExportBase(pIn)
+    , m_pBuffer(nullptr)
+    , m_nEncoding(RTL_TEXTENCODING_DONTKNOW)
+{
+}
+
+void SmRtfExport::ConvertFromStarMath(OStringBuffer& rBuffer, rtl_TextEncoding nEncoding)
+{
+    if (!GetTree())
+        return;
+    m_pBuffer = &rBuffer;
+    m_nEncoding = nEncoding;
+    m_pBuffer->append("{" OOO_STRING_SVTOOLS_RTF_IGNORE LO_STRING_SVTOOLS_RTF_MOMATH " ");
+    HandleNode(GetTree(), 0);
+    m_pBuffer->append("}"); // moMath
+}
+
+// NOTE: This is still work in progress and unfinished, but it already covers a good
+// part of the rtf math stuff.
+
+void SmRtfExport::HandleVerticalStack(const SmNode* pNode, int nLevel)
+{
+    m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MEQARR " ");
+    int size = pNode->GetNumSubNodes();
+    for (int i = 0; i < size; ++i)
+    {
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
+        HandleNode(pNode->GetSubNode(i), nLevel + 1);
+        m_pBuffer->append("}"); // me
+    }
+    m_pBuffer->append("}"); // meqArr
+}
+
+void SmRtfExport::HandleText(const SmNode* pNode, int /*nLevel*/)
+{
+    m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MR " ");
+
+    if (pNode->GetToken().eType == TTEXT) // literal text
+        m_pBuffer->append(LO_STRING_SVTOOLS_RTF_MNOR " ");
+
+    auto pTemp = static_cast<const SmTextNode*>(pNode);
+    SAL_INFO("starmath.rtf", "Text: " << pTemp->GetText());
+    for (sal_Int32 i = 0; i < pTemp->GetText().getLength(); i++)
+    {
+        sal_uInt16 nChar = pTemp->GetText()[i];
+        OUString aValue(SmTextNode::ConvertSymbolToUnicode(nChar));
+        m_pBuffer->append(msfilter::rtfutil::OutString(aValue, m_nEncoding));
+    }
+
+    m_pBuffer->append("}"); // mr
+}
+
+void SmRtfExport::HandleFractions(const SmNode* pNode, int nLevel, const char* type)
+{
+    m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MF " ");
+    if (type)
+    {
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MFPR " ");
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MTYPE " ");
+        m_pBuffer->append(type);
+        m_pBuffer->append("}"); // mtype
+        m_pBuffer->append("}"); // mfPr
+    }
+    assert(pNode->GetNumSubNodes() == 3);
+    m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MNUM " ");
+    HandleNode(pNode->GetSubNode(0), nLevel + 1);
+    m_pBuffer->append("}"); // mnum
+    m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MDEN " ");
+    HandleNode(pNode->GetSubNode(2), nLevel + 1);
+    m_pBuffer->append("}"); // mden
+    m_pBuffer->append("}"); // mf
+}
+
+void SmRtfExport::HandleAttribute(const SmAttributeNode* pNode, int nLevel)
+{
+    switch (pNode->Attribute()->GetToken().eType)
+    {
+        case TCHECK:
+        case TACUTE:
+        case TGRAVE:
+        case TBREVE:
+        case TCIRCLE:
+        case TVEC:
+        case TTILDE:
+        case THAT:
+        case TDOT:
+        case TDDOT:
+        case TDDDOT:
+        case TWIDETILDE:
+        case TWIDEHAT:
+        case TWIDEHARPOON:
+        case TWIDEVEC:
+        case TBAR:
+        {
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MACC " ");
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MACCPR " ");
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MCHR " ");
+            OUString aValue(pNode->Attribute()->GetToken().cMathChar);
+            m_pBuffer->append(msfilter::rtfutil::OutString(aValue, m_nEncoding));
+            m_pBuffer->append("}"); // mchr
+            m_pBuffer->append("}"); // maccPr
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
+            HandleNode(pNode->Body(), nLevel + 1);
+            m_pBuffer->append("}"); // me
+            m_pBuffer->append("}"); // macc
+            break;
+        }
+        case TOVERLINE:
+        case TUNDERLINE:
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MBAR " ");
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MBARPR " ");
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MPOS " ");
+            m_pBuffer->append((pNode->Attribute()->GetToken().eType == TUNDERLINE) ? "bot" : "top");
+            m_pBuffer->append("}"); // mpos
+            m_pBuffer->append("}"); // mbarPr
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
+            HandleNode(pNode->Body(), nLevel + 1);
+            m_pBuffer->append("}"); // me
+            m_pBuffer->append("}"); // mbar
+            break;
+        case TOVERSTRIKE:
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MBORDERBOX " ");
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MBORDERBOXPR " ");
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MHIDETOP " 1}");
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MHIDEBOT " 1}");
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MHIDELEFT " 1}");
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MHIDERIGHT " 1}");
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSTRIKEH " 1}");
+            m_pBuffer->append("}"); // mborderBoxPr
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
+            HandleNode(pNode->Body(), nLevel + 1);
+            m_pBuffer->append("}"); // me
+            m_pBuffer->append("}"); // mborderBox
+            break;
+        default:
+            HandleAllSubNodes(pNode, nLevel);
+            break;
+    }
+}
+
+void SmRtfExport::HandleRoot(const SmRootNode* pNode, int nLevel)
+{
+    m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MRAD " ");
+    if (const SmNode* argument = pNode->Argument())
+    {
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MDEG " ");
+        HandleNode(argument, nLevel + 1);
+        m_pBuffer->append("}"); // mdeg
+    }
+    else
+    {
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MRADPR " ");
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MDEGHIDE " 1}");
+        m_pBuffer->append("}"); // mradPr
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MDEG " }"); // empty but present
+    }
+    m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
+    HandleNode(pNode->Body(), nLevel + 1);
+    m_pBuffer->append("}"); // me
+    m_pBuffer->append("}"); // mrad
+}
+
+namespace
+{
+OString mathSymbolToString(const SmNode* node, rtl_TextEncoding nEncoding)
+{
+    assert(node->GetType() == SmNodeType::Math || node->GetType() == SmNodeType::MathIdent);
+    auto txtnode = static_cast<const SmTextNode*>(node);
+    if (txtnode->GetText().isEmpty())
+        return {};
+    assert(txtnode->GetText().getLength() == 1);
+    sal_Unicode chr = SmTextNode::ConvertSymbolToUnicode(txtnode->GetText()[0]);
+    OUString aValue(chr);
+    return msfilter::rtfutil::OutString(aValue, nEncoding);
+}
+}
+
+void SmRtfExport::HandleOperator(const SmOperNode* pNode, int nLevel)
+{
+    SAL_INFO("starmath.rtf", "Operator: " << int(pNode->GetToken().eType));
+    switch (pNode->GetToken().eType)
+    {
+        case TINT:
+        case TINTD:
+        case TIINT:
+        case TIIINT:
+        case TLINT:
+        case TLLINT:
+        case TLLLINT:
+        case TPROD:
+        case TCOPROD:
+        case TSUM:
+        {
+            const SmSubSupNode* subsup
+                = pNode->GetSubNode(0)->GetType() == SmNodeType::SubSup
+                      ? static_cast<const SmSubSupNode*>(pNode->GetSubNode(0))
+                      : nullptr;
+            const SmNode* operation = subsup ? subsup->GetBody() : pNode->GetSubNode(0);
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MNARY " ");
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MNARYPR " ");
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MCHR " ");
+            m_pBuffer->append(mathSymbolToString(operation, m_nEncoding));
+            m_pBuffer->append("}"); // mchr
+            if (!subsup || !subsup->GetSubSup(CSUB))
+                m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUBHIDE " 1}");
+            if (!subsup || !subsup->GetSubSup(CSUP))
+                m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUPHIDE " 1}");
+            m_pBuffer->append("}"); // mnaryPr
+            if (!subsup || !subsup->GetSubSup(CSUB))
+                m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUB " }");
+            else
+            {
+                m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUB " ");
+                HandleNode(subsup->GetSubSup(CSUB), nLevel + 1);
+                m_pBuffer->append("}"); // msub
+            }
+            if (!subsup || !subsup->GetSubSup(CSUP))
+                m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUP " }");
+            else
+            {
+                m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUP " ");
+                HandleNode(subsup->GetSubSup(CSUP), nLevel + 1);
+                m_pBuffer->append("}"); // msup
+            }
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
+            HandleNode(pNode->GetSubNode(1), nLevel + 1); // body
+            m_pBuffer->append("}"); // me
+            m_pBuffer->append("}"); // mnary
+            break;
+        }
+        case TLIM:
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MFUNC " ");
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MFNAME " ");
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MLIMLOW " ");
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
+            HandleNode(pNode->GetSymbol(), nLevel + 1);
+            m_pBuffer->append("}"); // me
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MLIM " ");
+            if (const SmSubSupNode* subsup
+                = pNode->GetSubNode(0)->GetType() == SmNodeType::SubSup
+                      ? static_cast<const SmSubSupNode*>(pNode->GetSubNode(0))
+                      : nullptr)
+                if (subsup->GetSubSup(CSUB))
+                    HandleNode(subsup->GetSubSup(CSUB), nLevel + 1);
+            m_pBuffer->append("}"); // mlim
+            m_pBuffer->append("}"); // mlimLow
+            m_pBuffer->append("}"); // mfName
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
+            HandleNode(pNode->GetSubNode(1), nLevel + 1); // body
+            m_pBuffer->append("}"); // me
+            m_pBuffer->append("}"); // mfunc
+            break;
+        default:
+            SAL_INFO("starmath.rtf", "TODO: " << __func__ << " unhandled oper type");
+            break;
+    }
+}
+
+void SmRtfExport::HandleSubSupScriptInternal(const SmSubSupNode* pNode, int nLevel, int flags)
+{
+    // rtf supports only a certain combination of sub/super scripts, but LO can have any,
+    // so try to merge it using several tags if necessary
+    if (flags == 0) // none
+        return;
+    if ((flags & (1 << RSUP | 1 << RSUB)) == (1 << RSUP | 1 << RSUB))
+    {
+        // m:sSubSup
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSSUBSUP " ");
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
+        flags &= ~(1 << RSUP | 1 << RSUB);
+        if (flags == 0)
+            HandleNode(pNode->GetBody(), nLevel + 1);
+        else
+            HandleSubSupScriptInternal(pNode, nLevel, flags);
+        m_pBuffer->append("}"); // me
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUB " ");
+        HandleNode(pNode->GetSubSup(RSUB), nLevel + 1);
+        m_pBuffer->append("}"); // msub
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUP " ");
+        HandleNode(pNode->GetSubSup(RSUP), nLevel + 1);
+        m_pBuffer->append("}"); // msup
+        m_pBuffer->append("}"); // msubSup
+    }
+    else if ((flags & (1 << RSUB)) == 1 << RSUB)
+    {
+        // m:sSub
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSSUB " ");
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
+        flags &= ~(1 << RSUB);
+        if (flags == 0)
+            HandleNode(pNode->GetBody(), nLevel + 1);
+        else
+            HandleSubSupScriptInternal(pNode, nLevel, flags);
+        m_pBuffer->append("}"); // me
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUB " ");
+        HandleNode(pNode->GetSubSup(RSUB), nLevel + 1);
+        m_pBuffer->append("}"); // msub
+        m_pBuffer->append("}"); // msSub
+    }
+    else if ((flags & (1 << RSUP)) == 1 << RSUP)
+    {
+        // m:sSup
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSSUP " ");
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
+        flags &= ~(1 << RSUP);
+        if (flags == 0)
+            HandleNode(pNode->GetBody(), nLevel + 1);
+        else
+            HandleSubSupScriptInternal(pNode, nLevel, flags);
+        m_pBuffer->append("}"); // me
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUP " ");
+        HandleNode(pNode->GetSubSup(RSUP), nLevel + 1);
+        m_pBuffer->append("}"); // msup
+        m_pBuffer->append("}"); // msSup
+    }
+    else if ((flags & (1 << LSUP | 1 << LSUB)) == (1 << LSUP | 1 << LSUB))
+    {
+        // m:sPre
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSPRE " ");
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUB " ");
+        HandleNode(pNode->GetSubSup(LSUB), nLevel + 1);
+        m_pBuffer->append("}"); // msub
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUP " ");
+        HandleNode(pNode->GetSubSup(LSUP), nLevel + 1);
+        m_pBuffer->append("}"); // msup
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
+        flags &= ~(1 << LSUP | 1 << LSUB);
+        if (flags == 0)
+            HandleNode(pNode->GetBody(), nLevel + 1);
+        else
+            HandleSubSupScriptInternal(pNode, nLevel, flags);
+        m_pBuffer->append("}"); // me
+        m_pBuffer->append("}"); // msPre
+    }
+    else if ((flags & (1 << CSUB)) == (1 << CSUB))
+    {
+        // m:limLow looks like a good element for central superscript
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MLIMLOW " ");
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
+        flags &= ~(1 << CSUB);
+        if (flags == 0)
+            HandleNode(pNode->GetBody(), nLevel + 1);
+        else
+            HandleSubSupScriptInternal(pNode, nLevel, flags);
+        m_pBuffer->append("}"); // me
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MLIM " ");
+        HandleNode(pNode->GetSubSup(CSUB), nLevel + 1);
+        m_pBuffer->append("}"); // mlim
+        m_pBuffer->append("}"); // mlimLow
+    }
+    else if ((flags & (1 << CSUP)) == (1 << CSUP))
+    {
+        // m:limUpp looks like a good element for central superscript
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MLIMUPP " ");
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
+        flags &= ~(1 << CSUP);
+        if (flags == 0)
+            HandleNode(pNode->GetBody(), nLevel + 1);
+        else
+            HandleSubSupScriptInternal(pNode, nLevel, flags);
+        m_pBuffer->append("}"); // me
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MLIM " ");
+        HandleNode(pNode->GetSubSup(CSUP), nLevel + 1);
+        m_pBuffer->append("}"); // mlim
+        m_pBuffer->append("}"); // mlimUpp
+    }
+    else
+        SAL_INFO("starmath.rtf", "TODO: " << __func__ << " unhandled subsup type");
+}
+
+void SmRtfExport::HandleMatrix(const SmMatrixNode* pNode, int nLevel)
+{
+    m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MM " ");
+    for (size_t row = 0; row < pNode->GetNumRows(); ++row)
+    {
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MMR " ");
+        for (size_t col = 0; col < pNode->GetNumCols(); ++col)
+        {
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
+            if (const SmNode* node = pNode->GetSubNode(row * pNode->GetNumCols() + col))
+                HandleNode(node, nLevel + 1);
+            m_pBuffer->append("}"); // me
+        }
+        m_pBuffer->append("}"); // mmr
+    }
+    m_pBuffer->append("}"); // mm
+}
+
+void SmRtfExport::HandleBrace(const SmBraceNode* pNode, int nLevel)
+{
+    m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MD " ");
+    m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MDPR " ");
+    m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MBEGCHR " ");
+    m_pBuffer->append(mathSymbolToString(pNode->OpeningBrace(), m_nEncoding));
+    m_pBuffer->append("}"); // mbegChr
+    std::vector<const SmNode*> subnodes;
+    if (pNode->Body()->GetType() == SmNodeType::Bracebody)
+    {
+        auto body = static_cast<const SmBracebodyNode*>(pNode->Body());
+        bool separatorWritten = false; // assume all separators are the same
+        for (size_t i = 0; i < body->GetNumSubNodes(); ++i)
+        {
+            const SmNode* subnode = body->GetSubNode(i);
+            if (subnode->GetType() == SmNodeType::Math
+                || subnode->GetType() == SmNodeType::MathIdent)
+            {
+                // do not write, but write what separator it is
+                auto math = static_cast<const SmMathSymbolNode*>(subnode);
+                if (!separatorWritten)
+                {
+                    m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSEPCHR " ");
+                    m_pBuffer->append(mathSymbolToString(math, m_nEncoding));
+                    m_pBuffer->append("}"); // msepChr
+                    separatorWritten = true;
+                }
+            }
+            else
+                subnodes.push_back(subnode);
+        }
+    }
+    else
+        subnodes.push_back(pNode->Body());
+    m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MENDCHR " ");
+    m_pBuffer->append(mathSymbolToString(pNode->ClosingBrace(), m_nEncoding));
+    m_pBuffer->append("}"); // mendChr
+    m_pBuffer->append("}"); // mdPr
+    for (const SmNode* subnode : subnodes)
+    {
+        m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
+        HandleNode(subnode, nLevel + 1);
+        m_pBuffer->append("}"); // me
+    }
+    m_pBuffer->append("}"); // md
+}
+
+void SmRtfExport::HandleVerticalBrace(const SmVerticalBraceNode* pNode, int nLevel)
+{
+    SAL_INFO("starmath.rtf", "Vertical: " << int(pNode->GetToken().eType));
+    switch (pNode->GetToken().eType)
+    {
+        case TOVERBRACE:
+        case TUNDERBRACE:
+        {
+            bool top = (pNode->GetToken().eType == TOVERBRACE);
+            if (top)
+                m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MLIMUPP " ");
+            else
+                m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MLIMLOW " ");
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MGROUPCHR " ");
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MGROUPCHRPR " ");
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MCHR " ");
+            m_pBuffer->append(mathSymbolToString(pNode->Brace(), m_nEncoding));
+            m_pBuffer->append("}"); // mchr
+            // TODO not sure if pos and vertJc are correct
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MPOS " ")
+                .append(top ? "top" : "bot")
+                .append("}");
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MVERTJC " ")
+                .append(top ? "bot" : "top")
+                .append("}");
+            m_pBuffer->append("}"); // mgroupChrPr
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
+            HandleNode(pNode->Body(), nLevel + 1);
+            m_pBuffer->append("}"); // me
+            m_pBuffer->append("}"); // mgroupChr
+            m_pBuffer->append("}"); // me
+            m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MLIM " ");
+            HandleNode(pNode->Script(), nLevel + 1);
+            m_pBuffer->append("}"); // mlim
+            m_pBuffer->append("}"); // mlimUpp or mlimLow
+            break;
+        }
+        default:
+            SAL_INFO("starmath.rtf", "TODO: " << __func__ << " unhandled vertical brace type");
+            break;
+    }
+}
+
+void SmRtfExport::HandleBlank()
+{
+    m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MR " ");
+    m_pBuffer->append(" ");
+    m_pBuffer->append("}"); // mr
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/rtfexport.hxx b/starmath/source/rtfexport.hxx
new file mode 100644
index 0000000000..e8c38aaa6c
--- /dev/null
+++ b/starmath/source/rtfexport.hxx
@@ -0,0 +1,42 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include "wordexportbase.hxx"
+
+#include <rtl/strbuf.hxx>
+
+/**
+ Class implementing writing of formulas to RTF.
+ */
+class SmRtfExport : public SmWordExportBase
+{
+public:
+    explicit SmRtfExport(const SmNode* pIn);
+    void ConvertFromStarMath(OStringBuffer& rBuffer, rtl_TextEncoding nEncoding);
+
+private:
+    void HandleVerticalStack(const SmNode* pNode, int nLevel) override;
+    void HandleText(const SmNode* pNode, int nLevel) override;
+    void HandleFractions(const SmNode* pNode, int nLevel, const char* type) override;
+    void HandleRoot(const SmRootNode* pNode, int nLevel) override;
+    void HandleAttribute(const SmAttributeNode* pNode, int nLevel) override;
+    void HandleOperator(const SmOperNode* pNode, int nLevel) override;
+    void HandleSubSupScriptInternal(const SmSubSupNode* pNode, int nLevel, int flags) override;
+    void HandleMatrix(const SmMatrixNode* pNode, int nLevel) override;
+    void HandleBrace(const SmBraceNode* pNode, int nLevel) override;
+    void HandleVerticalBrace(const SmVerticalBraceNode* pNode, int nLevel) override;
+    void HandleBlank() override;
+
+    OStringBuffer* m_pBuffer;
+    rtl_TextEncoding m_nEncoding;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/smdetect.cxx b/starmath/source/smdetect.cxx
new file mode 100644
index 0000000000..80231c21b7
--- /dev/null
+++ b/starmath/source/smdetect.cxx
@@ -0,0 +1,148 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "smdetect.hxx"
+#include <cppuhelper/supportsservice.hxx>
+#include <com/sun/star/io/XInputStream.hpp>
+#include <com/sun/star/ucb/ContentCreationException.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <sfx2/docfile.hxx>
+#include <unotools/mediadescriptor.hxx>
+#include <sot/storage.hxx>
+#include <comphelper/diagnose_ex.hxx>
+
+#include "eqnolefilehdr.hxx"
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::io;
+using namespace ::com::sun::star::task;
+using namespace ::com::sun::star::beans;
+using namespace ::com::sun::star::lang;
+using utl::MediaDescriptor;
+
+SmFilterDetect::SmFilterDetect()
+{
+}
+
+SmFilterDetect::~SmFilterDetect()
+{
+}
+
+OUString SAL_CALL SmFilterDetect::detect( Sequence< PropertyValue >& lDescriptor )
+{
+    MediaDescriptor aMediaDesc( lDescriptor );
+    uno::Reference< io::XInputStream > xInStream ( aMediaDesc[MediaDescriptor::PROP_INPUTSTREAM], uno::UNO_QUERY );
+    if ( !xInStream.is() )
+        return OUString();
+
+    SfxMedium aMedium;
+    aMedium.UseInteractionHandler( false );
+    aMedium.setStreamToLoadFrom( xInStream, true );
+
+    SvStream *pInStrm = aMedium.GetInStream();
+    if ( !pInStrm || pInStrm->GetError() )
+        return OUString();
+
+    // Do not attempt to create an SotStorage on a
+    // 0-length stream as that would create the compound
+    // document header on the stream and effectively write to
+    // disk!
+    pInStrm->Seek( STREAM_SEEK_TO_BEGIN );
+    if ( pInStrm->remainingSize() == 0 )
+        return OUString();
+
+    bool bStorageOk = false;
+    try
+    {
+        tools::SvRef<SotStorage> aStorage = new SotStorage( pInStrm, false );
+        bStorageOk = !aStorage->GetError();
+        if (bStorageOk)
+        {
+            if ( aStorage->IsStream("Equation Native") )
+            {
+                sal_uInt8 nVersion;
+                if ( GetMathTypeVersion( aStorage.get(), nVersion ) && nVersion <=3 )
+                    return "math_MathType_3x";
+            }
+        }
+    }
+    catch (const css::ucb::ContentCreationException &)
+    {
+        TOOLS_WARN_EXCEPTION("starmath", "SmFilterDetect::detect caught" );
+    }
+
+    if (!bStorageOk)
+    {
+        // 200 should be enough for the XML
+        // version, encoding and !DOCTYPE
+        // stuff I hope?
+        static const sal_uInt16 nBufferSize = 200;
+        char aBuffer[nBufferSize+1];
+        pInStrm->Seek( STREAM_SEEK_TO_BEGIN );
+        pInStrm->StartReadingUnicodeText( RTL_TEXTENCODING_DONTKNOW ); // avoid BOM marker
+        auto nBytesRead = pInStrm->ReadBytes( aBuffer, nBufferSize );
+        if (nBytesRead >= 6)
+        {
+            aBuffer[nBytesRead] = 0;
+            bool bIsMathType = false;
+            if (0 == strncmp( "<?xml", aBuffer, 5))
+                bIsMathType = (strstr( aBuffer, "<math>" ) ||
+                               strstr( aBuffer, "<math " ) ||
+                               strstr( aBuffer, "<math:math " ));
+            else
+                // this is the old <math tag to MathML in the beginning of the XML file
+                bIsMathType = (0 == strncmp( "<math ", aBuffer, 6) ||
+                               0 == strncmp( "<math> ", aBuffer, 7) ||
+                               0 == strncmp( "<math:math> ", aBuffer, 12));
+
+            if ( bIsMathType )
+                return "math_MathML_XML_Math";
+        }
+    }
+
+    return OUString();
+}
+
+/* XServiceInfo */
+OUString SAL_CALL SmFilterDetect::getImplementationName()
+{
+    return "com.sun.star.comp.math.FormatDetector";
+}
+
+/* XServiceInfo */
+sal_Bool SAL_CALL SmFilterDetect::supportsService( const OUString& sServiceName )
+{
+    return cppu::supportsService(this, sServiceName);
+}
+
+/* XServiceInfo */
+Sequence< OUString > SAL_CALL SmFilterDetect::getSupportedServiceNames()
+{
+    return { "com.sun.star.frame.ExtendedTypeDetection" };
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT uno::XInterface*
+math_FormatDetector_get_implementation(uno::XComponentContext* /*pCtx*/,
+                                       uno::Sequence<uno::Any> const& /*rSeq*/)
+{
+    return cppu::acquire(new SmFilterDetect);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/smdetect.hxx b/starmath/source/smdetect.hxx
new file mode 100644
index 0000000000..81a68d9099
--- /dev/null
+++ b/starmath/source/smdetect.hxx
@@ -0,0 +1,46 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <rtl/ustring.hxx>
+#include <com/sun/star/document/XExtendedFilterDetection.hpp>
+#include <cppuhelper/implbase.hxx>
+
+#include <com/sun/star/lang/XServiceInfo.hpp>
+
+
+namespace com::sun::star::beans { struct PropertyValue; }
+
+class SmFilterDetect : public ::cppu::WeakImplHelper< css::document::XExtendedFilterDetection, css::lang::XServiceInfo >
+{
+public:
+    explicit SmFilterDetect();
+    virtual                 ~SmFilterDetect() override;
+
+    /* XServiceInfo */
+    virtual OUString SAL_CALL getImplementationName() override;
+    virtual sal_Bool SAL_CALL supportsService( const OUString& sServiceName ) override;
+    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+
+    // XExtendedFilterDetect
+    virtual OUString SAL_CALL detect( css::uno::Sequence< css::beans::PropertyValue >& lDescriptor ) override;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/smdll.cxx b/starmath/source/smdll.cxx
new file mode 100644
index 0000000000..8c9e88bda4
--- /dev/null
+++ b/starmath/source/smdll.cxx
@@ -0,0 +1,85 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <svx/svxids.hrc>
+#include <svx/modctrl.hxx>
+#include <svx/zoomctrl.hxx>
+#include <svx/zoomsliderctrl.hxx>
+#include <sfx2/docfac.hxx>
+#include <sfx2/app.hxx>
+#include <sfx2/sidebar/SidebarChildWindow.hxx>
+
+#include <smdll.hxx>
+#include <smmod.hxx>
+#include <document.hxx>
+#include <view.hxx>
+
+#include <starmath.hrc>
+
+#include <svx/xmlsecctrl.hxx>
+
+namespace
+{
+    class SmDLL
+    {
+    public:
+        SmDLL();
+    };
+
+    SmDLL::SmDLL()
+    {
+        if ( SfxApplication::GetModule(SfxToolsModule::Math) )    // Module already active
+            return;
+
+        SfxObjectFactory& rFactory = SmDocShell::Factory();
+
+        auto pUniqueModule = std::make_unique<SmModule>(&rFactory);
+        SmModule* pModule = pUniqueModule.get();
+        SfxApplication::SetModule(SfxToolsModule::Math, std::move(pUniqueModule));
+
+        rFactory.SetDocumentServiceName( "com.sun.star.formula.FormulaProperties" );
+
+        SmModule::RegisterInterface(pModule);
+        SmDocShell::RegisterInterface(pModule);
+        SmViewShell::RegisterInterface(pModule);
+
+        SmViewShell::RegisterFactory(SFX_INTERFACE_SFXAPP);
+
+        SvxZoomStatusBarControl::RegisterControl(SID_ATTR_ZOOM, pModule);
+        SvxZoomSliderControl::RegisterControl(SID_ATTR_ZOOMSLIDER, pModule);
+        SvxModifyControl::RegisterControl(SID_TEXTSTATUS, pModule);
+        XmlSecStatusBarControl::RegisterControl(SID_SIGNATURE, pModule);
+
+        sfx2::sidebar::SidebarChildWindow::RegisterChildWindow(true, pModule);
+
+        SmCmdBoxWrapper::RegisterChildWindow(true);
+    }
+}
+
+namespace SmGlobals
+{
+    void ensure()
+    {
+        static SmDLL theDll;
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/smediteng.cxx b/starmath/source/smediteng.cxx
new file mode 100644
index 0000000000..9eac0863e3
--- /dev/null
+++ b/starmath/source/smediteng.cxx
@@ -0,0 +1,158 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+#include <smediteng.hxx>
+#include <smmod.hxx>
+#include <cfgitem.hxx>
+
+#include <vcl/settings.hxx>
+#include <editeng/editview.hxx>
+#include <editeng/eeitem.hxx>
+#include <editeng/fhgtitem.hxx>
+#include <editeng/fontitem.hxx>
+#include <svl/itempool.hxx>
+#include <svl/itemset.hxx>
+#include <vcl/outdev.hxx>
+#include <vcl/svapp.hxx>
+
+SmEditEngine::SmEditEngine(SfxItemPool* pItemPool)
+    : EditEngine(pItemPool)
+    , m_nOldZoom(100)
+    , m_nNewZoom(100)
+    , m_nDefaultFontSize(0)
+    , m_aAllSelection(0, 0, 0, 0)
+{
+    SetText(u""_ustr);
+
+    // Add external text leading
+    SetAddExtLeading(true);
+
+    // Allow to undo changes ( Ctrl + z )
+    EnableUndo(true);
+
+    // Length in pixel of a tabulation
+    SetDefTab(sal_uInt16(Application::GetDefaultDevice()->GetTextWidth("XXXX")));
+
+    // Set default background color by theme
+    SetBackgroundColor(
+        Application::GetDefaultDevice()->GetSettings().GetStyleSettings().GetFieldColor());
+
+    // Control words
+    SetControlWord((GetControlWord() | EEControlBits::AUTOINDENTING)
+                   & EEControlBits(~EEControlBits::UNDOATTRIBS)
+                   & EEControlBits(~EEControlBits::PASTESPECIAL));
+
+    // Word delimiters for auto word selection by double click
+    SetWordDelimiters(" .=+-*/(){}[];\"");
+
+    // Default mapping mode
+    SetRefMapMode(MapMode(MapUnit::MapPixel));
+
+    // Default size of the box
+    SetPaperSize(Size(1000, 0));
+}
+
+bool SmEditEngine::checkZoom()
+{
+    return m_nOldZoom != (m_nNewZoom = SM_MOD()->GetConfig()->GetSmEditWindowZoomFactor());
+}
+
+void SmEditEngine::executeZoom(EditView* pEditView)
+{
+    if (checkZoom())
+    {
+        updateZoom();
+        if (pEditView)
+        {
+            FormatAndLayout(pEditView);
+            pEditView->SetSelection(pEditView->GetSelection());
+        }
+    }
+}
+
+void SmEditEngine::updateZoom()
+{
+    // In first run get font size as base to scale
+    if (m_nDefaultFontSize == 0)
+    {
+        SfxItemSet sfxatts = GetAttribs(0, 0, 0, GetAttribsFlags::CHARATTRIBS);
+        const SvxFontHeightItem* sfxattsh = sfxatts.GetItem(EE_CHAR_FONTHEIGHT);
+        m_nDefaultFontSize = sfxattsh->GetHeight();
+    }
+
+    // Now we calculate the new font size
+    sal_Int32 nNewFontSize = m_nDefaultFontSize * m_nNewZoom / 100;
+
+    // We apply the new font size to all the text
+    updateAllESelection(); // Update length of the text
+    SfxItemSet aSet = GetEmptyItemSet();
+    aSet.Put(SvxFontHeightItem(nNewFontSize, 100, EE_CHAR_FONTHEIGHT));
+    QuickSetAttribs(aSet, m_aAllSelection);
+
+    // We don't forget to equalize the zoomvalues
+    m_nOldZoom = m_nNewZoom;
+}
+
+void SmEditEngine::updateAllESelection()
+{
+    sal_Int32 paracount = GetParagraphCount();
+    m_aAllSelection.nEndPara = paracount > 0 ? paracount - 1 : 0;
+    sal_Int32 textlength = GetTextLen(m_aAllSelection.nEndPara);
+    m_aAllSelection.nEndPos = textlength > 0 ? textlength : 0;
+}
+
+void SmEditEngine::setSmItemPool(SfxItemPool* mpItemPool, const SvtLinguOptions& maLangOptions)
+{
+    // Set fonts to be used
+    struct FontData
+    {
+        LanguageType nFallbackLang;
+        LanguageType nLang;
+        DefaultFontType nFontType;
+        sal_uInt16 nFontInfoId;
+    };
+
+    FontData aFontDataTable[3]
+        = { // info to get western font to be used
+            { LANGUAGE_ENGLISH_US, maLangOptions.nDefaultLanguage, DefaultFontType::FIXED,
+              EE_CHAR_FONTINFO },
+            // info to get CJK font to be used
+            { LANGUAGE_JAPANESE, maLangOptions.nDefaultLanguage_CJK, DefaultFontType::CJK_TEXT,
+              EE_CHAR_FONTINFO_CJK },
+            // info to get CTL font to be used
+            { LANGUAGE_ARABIC_SAUDI_ARABIA, maLangOptions.nDefaultLanguage_CTL,
+              DefaultFontType::CTL_TEXT, EE_CHAR_FONTINFO_CTL }
+          };
+
+    // Text color
+    auto aDefaultDevice = Application::GetDefaultDevice();
+    Color aTextColor = aDefaultDevice->GetSettings().GetStyleSettings().GetFieldTextColor();
+    for (const FontData& aFontData : aFontDataTable)
+    {
+        LanguageType nLang
+            = (LANGUAGE_NONE == aFontData.nLang) ? aFontData.nFallbackLang : aFontData.nLang;
+        vcl::Font aFont = OutputDevice::GetDefaultFont(aFontData.nFontType, nLang,
+                                                       GetDefaultFontFlags::OnlyOne);
+        aFont.SetColor(aTextColor);
+        mpItemPool->SetPoolDefaultItem(SvxFontItem(aFont.GetFamilyType(), aFont.GetFamilyName(),
+                                                   aFont.GetStyleName(), aFont.GetPitch(),
+                                                   aFont.GetCharSet(), aFontData.nFontInfoId));
+    }
+
+    // Set font heights
+    SvxFontHeightItem aFontHeight(
+        aDefaultDevice->LogicToPixel(Size(0, 11), MapMode(MapUnit::MapPoint)).Height(), 100,
+        EE_CHAR_FONTHEIGHT);
+    mpItemPool->SetPoolDefaultItem(aFontHeight);
+    aFontHeight.SetWhich(EE_CHAR_FONTHEIGHT_CJK);
+    mpItemPool->SetPoolDefaultItem(aFontHeight);
+    aFontHeight.SetWhich(EE_CHAR_FONTHEIGHT_CTL);
+    mpItemPool->SetPoolDefaultItem(aFontHeight);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/starmath/source/smmod.cxx b/starmath/source/smmod.cxx
new file mode 100644
index 0000000000..0ffb6035c1
--- /dev/null
+++ b/starmath/source/smmod.cxx
@@ -0,0 +1,238 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <o3tl/string_view.hxx>
+#include <sfx2/objface.hxx>
+#include <svl/whiter.hxx>
+#include <sfx2/viewsh.hxx>
+#include <svx/svxids.hrc>
+#include <vcl/virdev.hxx>
+#include <unotools/syslocale.hxx>
+#include <smmod.hxx>
+#include <cfgitem.hxx>
+#include <dialog.hxx>
+#include <view.hxx>
+#include <smmod.hrc>
+#include <starmath.hrc>
+#include <svx/modctrl.hxx>
+#include <svtools/colorcfg.hxx>
+
+
+#define ShellClass_SmModule
+#include <smslots.hxx>
+
+OUString SmResId(TranslateId aId)
+{
+    return Translate::get(aId, SM_MOD()->GetResLocale());
+}
+
+OUString SmLocalizedSymbolData::GetUiSymbolName( std::u16string_view rExportName )
+{
+    OUString aRes;
+
+    for (size_t i = 0; i < SAL_N_ELEMENTS(RID_UI_SYMBOL_NAMES); ++i)
+    {
+        if (o3tl::equalsAscii(rExportName, RID_UI_SYMBOL_NAMES[i].getId()))
+        {
+            aRes = SmResId(RID_UI_SYMBOL_NAMES[i]);
+            break;
+        }
+    }
+
+    return aRes;
+}
+
+OUString SmLocalizedSymbolData::GetExportSymbolName( std::u16string_view rUiName )
+{
+    OUString aRes;
+
+    for (size_t i = 0; i < SAL_N_ELEMENTS(RID_UI_SYMBOL_NAMES); ++i)
+    {
+        if (rUiName == SmResId(RID_UI_SYMBOL_NAMES[i]))
+        {
+            const char *pKey = RID_UI_SYMBOL_NAMES[i].getId();
+            aRes = OUString(pKey, strlen(pKey), RTL_TEXTENCODING_UTF8);
+            break;
+        }
+    }
+
+    return aRes;
+}
+
+OUString SmLocalizedSymbolData::GetUiSymbolSetName( std::u16string_view rExportName )
+{
+    OUString aRes;
+
+    for (size_t i = 0; i < SAL_N_ELEMENTS(RID_UI_SYMBOLSET_NAMES); ++i)
+    {
+        if (o3tl::equalsAscii(rExportName, RID_UI_SYMBOLSET_NAMES[i].getId()))
+        {
+            aRes = SmResId(RID_UI_SYMBOLSET_NAMES[i]);
+            break;
+        }
+    }
+
+    return aRes;
+}
+
+OUString SmLocalizedSymbolData::GetExportSymbolSetName( std::u16string_view rUiName )
+{
+    OUString aRes;
+
+    for (size_t i = 0; i < SAL_N_ELEMENTS(RID_UI_SYMBOLSET_NAMES); ++i)
+    {
+        if (rUiName == SmResId(RID_UI_SYMBOLSET_NAMES[i]))
+        {
+            const char *pKey = RID_UI_SYMBOLSET_NAMES[i].getId();
+            aRes = OUString(pKey, strlen(pKey), RTL_TEXTENCODING_UTF8);
+            break;
+        }
+    }
+
+    return aRes;
+}
+
+SFX_IMPL_INTERFACE(SmModule, SfxModule)
+
+void SmModule::InitInterface_Impl()
+{
+    GetStaticInterface()->RegisterStatusBar(StatusBarId::MathStatusBar);
+}
+
+SmModule::SmModule(SfxObjectFactory* pObjFact)
+    : SfxModule("sm"_ostr, {pObjFact})
+{
+    SetName("StarMath");
+
+    SvxModifyControl::RegisterControl(SID_DOC_MODIFIED, this);
+}
+
+SmModule::~SmModule()
+{
+    if (mpColorConfig)
+        mpColorConfig->RemoveListener(this);
+    mpVirtualDev.disposeAndClear();
+}
+
+svtools::ColorConfig & SmModule::GetColorConfig()
+{
+    if(!mpColorConfig)
+    {
+        mpColorConfig.reset(new svtools::ColorConfig);
+        mpColorConfig->AddListener(this);
+    }
+    return *mpColorConfig;
+}
+
+void SmModule::ConfigurationChanged(utl::ConfigurationBroadcaster* pBrdCst, ConfigurationHints)
+{
+    if (pBrdCst != mpColorConfig.get())
+        return;
+
+    SfxViewShell* pViewShell = SfxViewShell::GetFirst();
+    while (pViewShell)
+    {
+        // FIXME: What if pViewShell is for a different document,
+        // but OTOH Math is presumably never used through
+        // LibreOfficeKit, so maybe an irrelevant concern?
+        if (dynamic_cast<const SmViewShell *>(pViewShell) != nullptr)
+            pViewShell->GetWindow()->Invalidate();
+        pViewShell = SfxViewShell::GetNext(*pViewShell);
+    }
+}
+
+SmMathConfig * SmModule::GetConfig()
+{
+    if(!mpConfig)
+        mpConfig.reset(new SmMathConfig);
+    return mpConfig.get();
+}
+
+SmSymbolManager & SmModule::GetSymbolManager()
+{
+    return GetConfig()->GetSymbolManager();
+}
+
+const SvtSysLocale& SmModule::GetSysLocale()
+{
+    if( !moSysLocale )
+        moSysLocale.emplace();
+    return *moSysLocale;
+}
+
+VirtualDevice &SmModule::GetDefaultVirtualDev()
+{
+    if (!mpVirtualDev)
+    {
+        mpVirtualDev.reset( VclPtr<VirtualDevice>::Create() );
+        mpVirtualDev->SetReferenceDevice( VirtualDevice::RefDevMode::MSO1 );
+    }
+    return *mpVirtualDev;
+}
+
+void SmModule::GetState(SfxItemSet &rSet)
+{
+    SfxWhichIter aIter(rSet);
+
+    for (sal_uInt16 nWh = aIter.FirstWhich(); 0 != nWh; nWh = aIter.NextWhich())
+        switch (nWh)
+        {
+            case SID_CONFIGEVENT :
+                rSet.DisableItem(SID_CONFIGEVENT);
+                break;
+        }
+}
+
+std::optional<SfxItemSet> SmModule::CreateItemSet( sal_uInt16 nId )
+{
+    std::optional<SfxItemSet> pRet;
+    if(nId == SID_SM_EDITOPTIONS)
+    {
+        pRet.emplace(
+            GetPool(),
+            svl::Items< //TP_SMPRINT
+                SID_PRINTTITLE, SID_PRINTZOOM,
+                SID_NO_RIGHT_SPACES, SID_SAVE_ONLY_USED_SYMBOLS,
+                SID_AUTO_CLOSE_BRACKETS, SID_SMEDITWINDOWZOOM,
+                SID_INLINE_EDIT_ENABLE, SID_INLINE_EDIT_ENABLE>);
+
+        GetConfig()->ConfigToItemSet(*pRet);
+    }
+    return pRet;
+}
+
+void SmModule::ApplyItemSet( sal_uInt16 nId, const SfxItemSet& rSet )
+{
+    if(nId == SID_SM_EDITOPTIONS)
+    {
+        GetConfig()->ItemSetToConfig(rSet);
+    }
+}
+
+std::unique_ptr<SfxTabPage> SmModule::CreateTabPage( sal_uInt16 nId, weld::Container* pPage, weld::DialogController* pController, const SfxItemSet& rSet )
+{
+    std::unique_ptr<SfxTabPage> xRet;
+    if (nId == SID_SM_TP_PRINTOPTIONS)
+        xRet = SmPrintOptionsTabPage::Create(pPage, pController, rSet);
+    return xRet;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/symbol.cxx b/starmath/source/symbol.cxx
new file mode 100644
index 0000000000..4bb854f123
--- /dev/null
+++ b/starmath/source/symbol.cxx
@@ -0,0 +1,309 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <symbol.hxx>
+#include <utility.hxx>
+#include <cfgitem.hxx>
+#include <smmod.hxx>
+#include <format.hxx>
+#include <sal/log.hxx>
+#include <osl/diagnose.h>
+
+
+SmSym::SmSym() :
+    m_aUiName(OUString("unknown")),
+    m_aSetName(OUString("unknown")),
+    m_cChar('\0'),
+    m_bPredefined(false)
+{
+    m_aExportName = m_aUiName;
+    m_aFace.SetTransparent(true);
+    m_aFace.SetAlignment(ALIGN_BASELINE);
+}
+
+
+SmSym::SmSym(const SmSym& rSymbol)
+{
+    *this = rSymbol;
+}
+
+
+SmSym::SmSym(const OUString& rName, const vcl::Font& rFont, sal_UCS4 cChar,
+             const OUString& rSet, bool bIsPredefined)
+{
+    m_aUiName   = m_aExportName   = rName;
+
+    m_aFace     = rFont;
+    m_aFace.SetTransparent(true);
+    m_aFace.SetAlignment(ALIGN_BASELINE);
+
+    m_cChar         = cChar;
+    m_aSetName      = rSet;
+    m_bPredefined   = bIsPredefined;
+}
+
+
+SmSym& SmSym::operator = (const SmSym& rSymbol)
+{
+    m_aUiName       = rSymbol.m_aUiName;
+    m_aExportName   = rSymbol.m_aExportName;
+    m_cChar         = rSymbol.m_cChar;
+    m_aFace         = rSymbol.m_aFace;
+    m_aSetName      = rSymbol.m_aSetName;
+    m_bPredefined   = rSymbol.m_bPredefined;
+
+    SM_MOD()->GetSymbolManager().SetModified(true);
+
+    return *this;
+}
+
+
+bool SmSym::IsEqualInUI( const SmSym& rSymbol ) const
+{
+    return  m_aUiName == rSymbol.m_aUiName &&
+            m_aFace == rSymbol.m_aFace &&
+            m_cChar == rSymbol.m_cChar;
+}
+
+const vcl::Font& SmSym::GetFace(const SmFormat* pFormat) const
+{
+    if (m_aFace.GetFamilyName().isEmpty())
+    {
+        if (!pFormat)
+            pFormat = &SM_MOD()->GetConfig()->GetStandardFormat();
+        return pFormat->GetFont(FNT_VARIABLE);
+    }
+    return m_aFace;
+}
+
+/**************************************************************************/
+
+
+SmSymbolManager::SmSymbolManager()
+{
+    m_bModified     = false;
+}
+
+
+SmSymbolManager::SmSymbolManager(const SmSymbolManager& rSymbolSetManager)
+{
+    m_aSymbols      = rSymbolSetManager.m_aSymbols;
+    m_bModified     = true;
+}
+
+
+SmSymbolManager::~SmSymbolManager()
+{
+}
+
+
+SmSymbolManager& SmSymbolManager::operator = (const SmSymbolManager& rSymbolSetManager)
+{
+    m_aSymbols      = rSymbolSetManager.m_aSymbols;
+    m_bModified     = true;
+    return *this;
+}
+
+SmSym* SmSymbolManager::GetSymbolByName(std::u16string_view rSymbolName)
+{
+    SmSym* pRes = GetSymbolByUiName(rSymbolName);
+    if (!pRes)
+        pRes = GetSymbolByExportName(rSymbolName);
+    return pRes;
+}
+
+SmSym *SmSymbolManager::GetSymbolByUiName(std::u16string_view rSymbolName)
+{
+    OUString aSymbolName(rSymbolName);
+    SmSym *pRes = nullptr;
+    SymbolMap_t::iterator aIt( m_aSymbols.find( aSymbolName ) );
+    if (aIt != m_aSymbols.end())
+        pRes = &aIt->second;
+    return pRes;
+}
+
+SmSym* SmSymbolManager::GetSymbolByExportName(std::u16string_view rSymbolName)
+{
+    SmSym* pRes = nullptr;
+    for (auto& rPair : m_aSymbols)
+    {
+        SmSym& rSymbol = rPair.second;
+        if (rSymbol.GetExportName() == rSymbolName)
+        {
+            pRes = &rSymbol;
+            break;
+        }
+    }
+    return pRes;
+}
+
+
+SymbolPtrVec_t SmSymbolManager::GetSymbols() const
+{
+    SymbolPtrVec_t aRes;
+    aRes.reserve(m_aSymbols.size());
+    for (const auto& rEntry : m_aSymbols)
+        aRes.push_back( &rEntry.second );
+//    OSL_ENSURE( sSymbols.size() == m_aSymbols.size(), "number of symbols mismatch " );
+    return aRes;
+}
+
+
+bool SmSymbolManager::AddOrReplaceSymbol( const SmSym &rSymbol, bool bForceChange )
+{
+    bool bAdded = false;
+
+    const OUString& aSymbolName( rSymbol.GetUiName() );
+    if (!aSymbolName.isEmpty() && !rSymbol.GetSymbolSetName().isEmpty())
+    {
+        const SmSym *pFound = GetSymbolByUiName( aSymbolName );
+        const bool bSymbolConflict = pFound && !pFound->IsEqualInUI( rSymbol );
+
+        // avoid having the same symbol name twice but with different symbols in use
+        if (!pFound || bForceChange)
+        {
+            m_aSymbols[ aSymbolName ] = rSymbol;
+            bAdded = true;
+        }
+        else if (bSymbolConflict)
+        {
+            // TODO: to solve this a document owned symbol manager would be required ...
+                SAL_WARN("starmath", "symbol conflict, different symbol with same name found!");
+            // symbols in all formulas. A copy of the global one would be needed here
+            // and then the new symbol has to be forcefully applied. This would keep
+            // the current formula intact but will leave the set of symbols in the
+            // global symbol manager somewhat to chance.
+        }
+
+        OSL_ENSURE( bAdded, "failed to add symbol" );
+        if (bAdded)
+            m_bModified = true;
+        OSL_ENSURE( bAdded || (pFound && !bSymbolConflict), "AddOrReplaceSymbol: unresolved symbol conflict" );
+    }
+
+    return bAdded;
+}
+
+
+void SmSymbolManager::RemoveSymbol( const OUString & rSymbolName )
+{
+    if (!rSymbolName.isEmpty())
+    {
+        size_t nOldSize = m_aSymbols.size();
+        m_aSymbols.erase( rSymbolName );
+        m_bModified = nOldSize != m_aSymbols.size();
+    }
+}
+
+
+std::set< OUString > SmSymbolManager::GetSymbolSetNames() const
+{
+    std::set< OUString >  aRes;
+    for (const auto& rEntry : m_aSymbols)
+        aRes.insert( rEntry.second.GetSymbolSetName() );
+    return aRes;
+}
+
+
+SymbolPtrVec_t SmSymbolManager::GetSymbolSet( std::u16string_view rSymbolSetName )
+{
+    SymbolPtrVec_t aRes;
+    if (!rSymbolSetName.empty())
+    {
+        for (const auto& rEntry : m_aSymbols)
+        {
+            if (rEntry.second.GetSymbolSetName() == rSymbolSetName)
+                aRes.push_back( &rEntry.second );
+        }
+    }
+    return aRes;
+}
+
+
+void SmSymbolManager::Load()
+{
+    std::vector< SmSym > aSymbols;
+    SmMathConfig &rCfg = *SM_MOD()->GetConfig();
+    rCfg.GetSymbols( aSymbols );
+    size_t nSymbolCount = aSymbols.size();
+
+    m_aSymbols.clear();
+    for (size_t i = 0;  i < nSymbolCount;  ++i)
+    {
+        const SmSym &rSym = aSymbols[i];
+        OSL_ENSURE( !rSym.GetUiName().isEmpty(), "symbol without name!" );
+        if (!rSym.GetUiName().isEmpty())
+            AddOrReplaceSymbol( rSym );
+    }
+    m_bModified = true;
+
+    if (0 == nSymbolCount)
+    {
+        SAL_WARN("starmath", "no symbol set found");
+        m_bModified = false;
+    }
+
+    // now add a %i... symbol to the 'iGreek' set for every symbol found in the 'Greek' set.
+    const OUString aGreekSymbolSetName(SmLocalizedSymbolData::GetUiSymbolSetName(u"Greek"));
+    const SymbolPtrVec_t    aGreekSymbols( GetSymbolSet( aGreekSymbolSetName ) );
+    OUString aSymbolSetName = "i" + aGreekSymbolSetName;
+    size_t nSymbols = aGreekSymbols.size();
+    for (size_t i = 0;  i < nSymbols;  ++i)
+    {
+        // make the new symbol a copy but with ITALIC_NORMAL, and add it to iGreek
+        const SmSym &rSym = *aGreekSymbols[i];
+        vcl::Font aFont( rSym.GetFace() );
+        OSL_ENSURE( aFont.GetItalic() == ITALIC_NONE, "expected Font with ITALIC_NONE, failed." );
+        aFont.SetItalic( ITALIC_NORMAL );
+        OUString aSymbolName = "i" + rSym.GetUiName();
+        SmSym aSymbol( aSymbolName, aFont, rSym.GetCharacter(),
+                aSymbolSetName, true /*bIsPredefined*/ );
+        aSymbol.SetExportName("i" + rSym.GetExportName());
+
+        AddOrReplaceSymbol( aSymbol );
+    }
+}
+
+void SmSymbolManager::Save()
+{
+    if (!m_bModified)
+        return;
+
+    SmMathConfig &rCfg = *SM_MOD()->GetConfig();
+
+    // prepare to skip symbols from iGreek on saving
+    OUString aSymbolSetName = "i" +
+        SmLocalizedSymbolData::GetUiSymbolSetName(u"Greek");
+
+    SymbolPtrVec_t aTmp( GetSymbols() );
+    std::vector< SmSym > aSymbols;
+    for (const SmSym* i : aTmp)
+    {
+        // skip symbols from iGreek set since those symbols always get added
+        // by computational means in SmSymbolManager::Load
+        if (i->GetSymbolSetName() != aSymbolSetName)
+            aSymbols.push_back( *i );
+    }
+    rCfg.SetSymbols( aSymbols );
+
+    m_bModified = false;
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/tmpdevice.cxx b/starmath/source/tmpdevice.cxx
new file mode 100644
index 0000000000..077977b39d
--- /dev/null
+++ b/starmath/source/tmpdevice.cxx
@@ -0,0 +1,68 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <smmod.hxx>
+#include <utility.hxx>
+
+#include "tmpdevice.hxx"
+
+#include <svtools/colorcfg.hxx>
+#include <sal/log.hxx>
+
+// SmTmpDevice
+// Allows for font and color changes. The original settings will be restored
+// in the destructor.
+// It's main purpose is to allow for the "const" in the 'OutputDevice'
+// argument in the 'Arrange' functions and restore changes made in the 'Draw'
+// functions.
+// Usually a MapMode of 1/100th mm will be used.
+
+SmTmpDevice::SmTmpDevice(OutputDevice &rTheDev, bool bUseMap100th_mm) :
+    rOutDev(rTheDev)
+{
+    rOutDev.Push(vcl::PushFlags::FONT | vcl::PushFlags::MAPMODE |
+                 vcl::PushFlags::LINECOLOR | vcl::PushFlags::FILLCOLOR | vcl::PushFlags::TEXTCOLOR);
+    if (bUseMap100th_mm  &&  SmMapUnit() != rOutDev.GetMapMode().GetMapUnit())
+    {
+        SAL_WARN("starmath", "incorrect MapMode?");
+        rOutDev.SetMapMode(MapMode(SmMapUnit())); // format for 100% always
+    }
+}
+
+
+Color SmTmpDevice::GetTextColor(const Color& rTextColor)
+{
+    if (rTextColor == COL_AUTO)
+    {
+        Color aConfigFontColor = SM_MOD()->GetColorConfig().GetColorValue(svtools::FONTCOLOR).nColor;
+        Color aConfigDocColor = SM_MOD()->GetColorConfig().GetColorValue(svtools::DOCCOLOR).nColor;
+        return rOutDev.GetReadableFontColor(aConfigFontColor, aConfigDocColor);
+    }
+
+    return rTextColor;
+}
+
+
+void SmTmpDevice::SetFont(const vcl::Font &rNewFont)
+{
+    rOutDev.SetFont(rNewFont);
+    rOutDev.SetTextColor(GetTextColor(rNewFont.GetColor()));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/tmpdevice.hxx b/starmath/source/tmpdevice.hxx
new file mode 100644
index 0000000000..9c15fe0357
--- /dev/null
+++ b/starmath/source/tmpdevice.hxx
@@ -0,0 +1,46 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <tools/color.hxx>
+#include <vcl/outdev.hxx>
+
+class SmTmpDevice
+{
+    OutputDevice& rOutDev;
+
+    SmTmpDevice(const SmTmpDevice&) = delete;
+    SmTmpDevice& operator=(const SmTmpDevice&) = delete;
+
+    Color GetTextColor(const Color& rTextColor);
+
+public:
+    SmTmpDevice(OutputDevice& rTheDev, bool bUseMap100th_mm);
+    ~SmTmpDevice() COVERITY_NOEXCEPT_FALSE { rOutDev.Pop(); }
+
+    void SetFont(const vcl::Font& rNewFont);
+
+    void SetLineColor(const Color& rColor) { rOutDev.SetLineColor(GetTextColor(rColor)); }
+    void SetFillColor(const Color& rColor) { rOutDev.SetFillColor(GetTextColor(rColor)); }
+
+    operator OutputDevice&() { return rOutDev; }
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/typemap.cxx b/starmath/source/typemap.cxx
new file mode 100644
index 0000000000..ba7910747b
--- /dev/null
+++ b/starmath/source/typemap.cxx
@@ -0,0 +1,39 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <config_options.h>
+
+#include <sfx2/msg.hxx>
+#include <sfx2/zoomitem.hxx>
+#include <svx/zoomslideritem.hxx>
+#include <svl/slstitm.hxx>
+
+#ifdef DISABLE_DYNLOADING
+/* Avoid clash with the ones from svx/source/form/typemap.cxx */
+#define aSfxInt16Item_Impl starmath_source_appl_typemap_aSfxInt16Item_Impl
+#endif
+
+#define SFX_TYPEMAP
+#include <smslots.hxx>
+
+#ifdef DISABLE_DYNLOADING
+#undef aSfxInt16Item_Impl
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/unodoc.cxx b/starmath/source/unodoc.cxx
new file mode 100644
index 0000000000..3c125077c4
--- /dev/null
+++ b/starmath/source/unodoc.cxx
@@ -0,0 +1,46 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sfx2/sfxmodelfactory.hxx>
+
+#include <smdll.hxx>
+#include <document.hxx>
+#include <com/sun/star/frame/XModel.hpp>
+#include <vcl/svapp.hxx>
+
+using namespace ::com::sun::star;
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+Math_FormulaDocument_get_implementation(
+    css::uno::XComponentContext* , css::uno::Sequence<css::uno::Any> const& args)
+{
+    SolarMutexGuard aGuard;
+    SmGlobals::ensure();
+    css::uno::Reference<css::uno::XInterface> xInterface = sfx2::createSfxModelInstance(args,
+        [](SfxModelFlags _nCreationFlags)
+        {
+            SfxObjectShell* pShell = new SmDocShell( _nCreationFlags );
+            return pShell->GetModel();
+        });
+    xInterface->acquire();
+    return xInterface.get();
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/unofilter.cxx b/starmath/source/unofilter.cxx
new file mode 100644
index 0000000000..0b73175b00
--- /dev/null
+++ b/starmath/source/unofilter.cxx
@@ -0,0 +1,116 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <unotools/mediadescriptor.hxx>
+#include <unotools/ucbstreamhelper.hxx>
+#include <sot/storage.hxx>
+#include <cppuhelper/supportsservice.hxx>
+
+#include <document.hxx>
+#include "mathtype.hxx"
+#include <unomodel.hxx>
+#include <comphelper/diagnose_ex.hxx>
+
+using namespace ::com::sun::star;
+
+namespace
+{
+/// Invokes the MathType importer via UNO.
+class MathTypeFilter
+    : public cppu::WeakImplHelper<document::XFilter, document::XImporter, lang::XServiceInfo>
+{
+    uno::Reference<lang::XComponent> m_xDstDoc;
+
+public:
+    MathTypeFilter();
+
+    // XFilter
+    sal_Bool SAL_CALL filter(const uno::Sequence<beans::PropertyValue>& rDescriptor) override;
+    void SAL_CALL cancel() override;
+
+    // XImporter
+    void SAL_CALL setTargetDocument(const uno::Reference<lang::XComponent>& xDoc) override;
+
+    // XServiceInfo
+    OUString SAL_CALL getImplementationName() override;
+    sal_Bool SAL_CALL supportsService(const OUString& rServiceName) override;
+    uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
+};
+}
+
+MathTypeFilter::MathTypeFilter() = default;
+
+sal_Bool MathTypeFilter::filter(const uno::Sequence<beans::PropertyValue>& rDescriptor)
+{
+    bool bSuccess = false;
+    try
+    {
+        utl::MediaDescriptor aMediaDesc(rDescriptor);
+        aMediaDesc.addInputStream();
+        uno::Reference<io::XInputStream> xInputStream;
+        aMediaDesc[utl::MediaDescriptor::PROP_INPUTSTREAM] >>= xInputStream;
+        std::unique_ptr<SvStream> pStream(utl::UcbStreamHelper::CreateStream(xInputStream));
+        if (pStream)
+        {
+            if (SotStorage::IsStorageFile(pStream.get()))
+            {
+                tools::SvRef<SotStorage> aStorage(new SotStorage(pStream.get(), false));
+                // Is this a MathType Storage?
+                if (aStorage->IsStream("Equation Native"))
+                {
+                    if (auto pModel = dynamic_cast<SmModel*>(m_xDstDoc.get()))
+                    {
+                        auto pDocShell = static_cast<SmDocShell*>(pModel->GetObjectShell());
+                        OUStringBuffer aText(pDocShell->GetText());
+                        MathType aEquation(aText);
+                        bSuccess = aEquation.Parse(aStorage.get());
+                        if (bSuccess)
+                        {
+                            pDocShell->SetText(aText.makeStringAndClear());
+                            pDocShell->Parse();
+                        }
+                    }
+                }
+            }
+        }
+    }
+    catch (const uno::Exception&)
+    {
+        DBG_UNHANDLED_EXCEPTION("starmath");
+    }
+    return bSuccess;
+}
+
+void MathTypeFilter::cancel() {}
+
+void MathTypeFilter::setTargetDocument(const uno::Reference<lang::XComponent>& xDoc)
+{
+    m_xDstDoc = xDoc;
+}
+
+OUString MathTypeFilter::getImplementationName() { return "com.sun.star.comp.Math.MathTypeFilter"; }
+
+sal_Bool MathTypeFilter::supportsService(const OUString& rServiceName)
+{
+    return cppu::supportsService(this, rServiceName);
+}
+
+uno::Sequence<OUString> MathTypeFilter::getSupportedServiceNames()
+{
+    return { "com.sun.star.document.ImportFilter" };
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT uno::XInterface*
+com_sun_star_comp_Math_MathTypeFilter_get_implementation(uno::XComponentContext* /*pCtx*/,
+                                                         uno::Sequence<uno::Any> const& /*rSeq*/)
+{
+    return cppu::acquire(new MathTypeFilter);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/unomodel.cxx b/starmath/source/unomodel.cxx
new file mode 100644
index 0000000000..ea12928d3d
--- /dev/null
+++ b/starmath/source/unomodel.cxx
@@ -0,0 +1,1109 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+#include <sal/log.hxx>
+
+#include <utility>
+
+#include <o3tl/any.hxx>
+#include <sfx2/printer.hxx>
+#include <svl/itemprop.hxx>
+#include <svl/itemset.hxx>
+#include <vcl/svapp.hxx>
+#include <unotools/localedatawrapper.hxx>
+#include <vcl/settings.hxx>
+#include <vcl/print.hxx>
+#include <toolkit/awt/vclxdevice.hxx>
+#include <com/sun/star/beans/PropertyAttribute.hpp>
+#include <com/sun/star/formula/SymbolDescriptor.hpp>
+#include <com/sun/star/awt/Size.hpp>
+#include <comphelper/propertysetinfo.hxx>
+#include <comphelper/propertyvalue.hxx>
+#include <comphelper/sequence.hxx>
+#include <comphelper/servicehelper.hxx>
+#include <cppuhelper/queryinterface.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <editeng/paperinf.hxx>
+#include <unotools/moduleoptions.hxx>
+#include <tools/mapunit.hxx>
+#include <tools/stream.hxx>
+
+#include <unomodel.hxx>
+#include <document.hxx>
+#include <view.hxx>
+#include <symbol.hxx>
+#include <starmath.hrc>
+#include <strings.hrc>
+#include <smmod.hxx>
+#include <cfgitem.hxx>
+
+using namespace ::cppu;
+using namespace ::comphelper;
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::beans;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::formula;
+using namespace ::com::sun::star::view;
+using namespace ::com::sun::star::script;
+
+SmPrintUIOptions::SmPrintUIOptions()
+{
+    SmModule *pp = SM_MOD();
+    SmMathConfig *pConfig = pp->GetConfig();
+    SAL_WARN_IF( !pConfig, "starmath", "SmConfig not found" );
+    if (!pConfig)
+        return;
+
+    sal_Int32 nNumProps = 10, nIdx=0;
+
+    // create sequence of print UI options
+    // (Actually IsIgnoreSpacesRight is a parser option. Without it we need only 8 properties here.)
+    m_aUIProperties.resize( nNumProps );
+
+    // load the math PrinterOptions into the custom tab
+    m_aUIProperties[nIdx].Name = "OptionsUIFile";
+    m_aUIProperties[nIdx++].Value <<= OUString("modules/smath/ui/printeroptions.ui");
+
+    // create Section for formula (results in an extra tab page in dialog)
+    SvtModuleOptions aOpt;
+    OUString aAppGroupname(
+        SmResId( RID_PRINTUIOPT_PRODNAME ).
+            replaceFirst( "%s", aOpt.GetModuleName( SvtModuleOptions::EModule::MATH ) ) );
+    m_aUIProperties[nIdx++].Value = setGroupControlOpt("tabcontrol-page2", aAppGroupname, ".HelpID:vcl:PrintDialog:TabPage:AppPage");
+
+    // create subgroup for print options
+    m_aUIProperties[nIdx++].Value = setSubgroupControlOpt("contents", SmResId( RID_PRINTUIOPT_CONTENTS ), OUString());
+
+    // create a bool option for title row (matches to SID_PRINTTITLE)
+    m_aUIProperties[nIdx++].Value = setBoolControlOpt("title", SmResId( RID_PRINTUIOPT_TITLE ),
+                                                  ".HelpID:vcl:PrintDialog:TitleRow:CheckBox",
+                                                  PRTUIOPT_TITLE_ROW,
+                                                  pConfig->IsPrintTitle());
+    // create a bool option for formula text (matches to SID_PRINTTEXT)
+    m_aUIProperties[nIdx++].Value = setBoolControlOpt("formulatext", SmResId( RID_PRINTUIOPT_FRMLTXT ),
+                                                  ".HelpID:vcl:PrintDialog:FormulaText:CheckBox",
+                                                  PRTUIOPT_FORMULA_TEXT,
+                                                  pConfig->IsPrintFormulaText());
+    // create a bool option for border (matches to SID_PRINTFRAME)
+    m_aUIProperties[nIdx++].Value = setBoolControlOpt("borders", SmResId( RID_PRINTUIOPT_BORDERS ),
+                                                  ".HelpID:vcl:PrintDialog:Border:CheckBox",
+                                                  PRTUIOPT_BORDER,
+                                                  pConfig->IsPrintFrame());
+
+    // create subgroup for print format
+    m_aUIProperties[nIdx++].Value = setSubgroupControlOpt("size", SmResId( RID_PRINTUIOPT_SIZE ), OUString());
+
+    // create a radio button group for print format (matches to SID_PRINTSIZE)
+    Sequence< OUString > aChoices{
+        SmResId( RID_PRINTUIOPT_ORIGSIZE ),
+        SmResId( RID_PRINTUIOPT_FITTOPAGE ),
+        SmResId( RID_PRINTUIOPT_SCALING )
+    };
+    Sequence< OUString > aHelpIds{
+        ".HelpID:vcl:PrintDialog:PrintFormat:RadioButton:0",
+        ".HelpID:vcl:PrintDialog:PrintFormat:RadioButton:1",
+        ".HelpID:vcl:PrintDialog:PrintFormat:RadioButton:2"
+    };
+    Sequence< OUString > aWidgetIds{
+        "originalsize",
+        "fittopage",
+        "scaling"
+    };
+    OUString aPrintFormatProp( PRTUIOPT_PRINT_FORMAT );
+    m_aUIProperties[nIdx++].Value = setChoiceRadiosControlOpt(aWidgetIds, OUString(),
+                                                    aHelpIds,
+                                                    aPrintFormatProp,
+                                                    aChoices, static_cast< sal_Int32 >(pConfig->GetPrintSize())
+                                                    );
+
+    // create a numeric box for scale dependent on PrintFormat = "Scaling" (matches to SID_PRINTZOOM)
+    vcl::PrinterOptionsHelper::UIControlOptions aRangeOpt( aPrintFormatProp, 2, true );
+    m_aUIProperties[nIdx++].Value = setRangeControlOpt("scalingspin", OUString(),
+                                                     ".HelpID:vcl:PrintDialog:PrintScale:NumericField",
+                                                     PRTUIOPT_PRINT_SCALE,
+                                                     pConfig->GetPrintZoomFactor(),    // initial value
+                                                     10,     // min value
+                                                     1000,   // max value
+                                                     aRangeOpt);
+
+    Sequence aHintNoLayoutPage{ comphelper::makePropertyValue("HintNoLayoutPage", true) };
+    m_aUIProperties[nIdx++].Value <<= aHintNoLayoutPage;
+
+    assert(nIdx == nNumProps);
+}
+
+
+
+namespace {
+
+enum SmModelPropertyHandles
+{
+    HANDLE_FORMULA,
+    HANDLE_FONT_NAME_MATH,
+    HANDLE_FONT_NAME_VARIABLES,
+    HANDLE_FONT_NAME_FUNCTIONS,
+    HANDLE_FONT_NAME_NUMBERS,
+    HANDLE_FONT_NAME_TEXT,
+    HANDLE_CUSTOM_FONT_NAME_SERIF,
+    HANDLE_CUSTOM_FONT_NAME_SANS,
+    HANDLE_CUSTOM_FONT_NAME_FIXED,
+    HANDLE_CUSTOM_FONT_FIXED_POSTURE,
+    HANDLE_CUSTOM_FONT_FIXED_WEIGHT,
+    HANDLE_CUSTOM_FONT_SANS_POSTURE,
+    HANDLE_CUSTOM_FONT_SANS_WEIGHT,
+    HANDLE_CUSTOM_FONT_SERIF_POSTURE,
+    HANDLE_CUSTOM_FONT_SERIF_WEIGHT,
+    HANDLE_FONT_MATH_POSTURE,
+    HANDLE_FONT_MATH_WEIGHT,
+    HANDLE_FONT_VARIABLES_POSTURE,
+    HANDLE_FONT_VARIABLES_WEIGHT,
+    HANDLE_FONT_FUNCTIONS_POSTURE,
+    HANDLE_FONT_FUNCTIONS_WEIGHT,
+    HANDLE_FONT_NUMBERS_POSTURE,
+    HANDLE_FONT_NUMBERS_WEIGHT,
+    HANDLE_FONT_TEXT_POSTURE,
+    HANDLE_FONT_TEXT_WEIGHT,
+    HANDLE_BASE_FONT_HEIGHT,
+    HANDLE_RELATIVE_FONT_HEIGHT_TEXT,
+    HANDLE_RELATIVE_FONT_HEIGHT_INDICES,
+    HANDLE_RELATIVE_FONT_HEIGHT_FUNCTIONS,
+    HANDLE_RELATIVE_FONT_HEIGHT_OPERATORS,
+    HANDLE_RELATIVE_FONT_HEIGHT_LIMITS,
+    HANDLE_IS_TEXT_MODE,
+    HANDLE_IS_RIGHT_TO_LEFT,
+    HANDLE_GREEK_CHAR_STYLE,
+    HANDLE_ALIGNMENT,
+    HANDLE_RELATIVE_SPACING,
+    HANDLE_RELATIVE_LINE_SPACING,
+    HANDLE_RELATIVE_ROOT_SPACING,
+    HANDLE_RELATIVE_INDEX_SUPERSCRIPT,
+    HANDLE_RELATIVE_INDEX_SUBSCRIPT,
+    HANDLE_RELATIVE_FRACTION_NUMERATOR_HEIGHT,
+    HANDLE_RELATIVE_FRACTION_DENOMINATOR_DEPTH,
+    HANDLE_RELATIVE_FRACTION_BAR_EXCESS_LENGTH,
+    HANDLE_RELATIVE_FRACTION_BAR_LINE_WEIGHT,
+    HANDLE_RELATIVE_UPPER_LIMIT_DISTANCE,
+    HANDLE_RELATIVE_LOWER_LIMIT_DISTANCE,
+    HANDLE_RELATIVE_BRACKET_EXCESS_SIZE,
+    HANDLE_RELATIVE_BRACKET_DISTANCE,
+    HANDLE_IS_SCALE_ALL_BRACKETS,
+    HANDLE_RELATIVE_SCALE_BRACKET_EXCESS_SIZE,
+    HANDLE_RELATIVE_MATRIX_LINE_SPACING,
+    HANDLE_RELATIVE_MATRIX_COLUMN_SPACING,
+    HANDLE_RELATIVE_SYMBOL_PRIMARY_HEIGHT,
+    HANDLE_RELATIVE_SYMBOL_MINIMUM_HEIGHT,
+    HANDLE_RELATIVE_OPERATOR_EXCESS_SIZE,
+    HANDLE_RELATIVE_OPERATOR_SPACING,
+    HANDLE_LEFT_MARGIN,
+    HANDLE_RIGHT_MARGIN,
+    HANDLE_TOP_MARGIN,
+    HANDLE_BOTTOM_MARGIN,
+    HANDLE_PRINTER_NAME,
+    HANDLE_PRINTER_SETUP,
+    HANDLE_SYMBOLS,
+    HANDLE_SAVE_THUMBNAIL,
+    HANDLE_USED_SYMBOLS,
+    HANDLE_BASIC_LIBRARIES,
+    HANDLE_RUNTIME_UID,
+    HANDLE_LOAD_READONLY,     // Security Options
+    HANDLE_DIALOG_LIBRARIES,  // #i73329#
+    HANDLE_BASELINE,
+    HANDLE_INTEROP_GRAB_BAG,
+    HANDLE_STARMATH_VERSION
+};
+
+}
+
+static const rtl::Reference<PropertySetInfo> & lcl_createModelPropertyInfo ()
+{
+    static const PropertyMapEntry aModelPropertyInfoMap[] =
+    {
+        { OUString("Alignment")                        , HANDLE_ALIGNMENT                          ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  0                     },
+        { OUString("BaseFontHeight")                   , HANDLE_BASE_FONT_HEIGHT                   ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  0                     },
+        { OUString("BasicLibraries")                   , HANDLE_BASIC_LIBRARIES                    ,  cppu::UnoType<script::XLibraryContainer>::get(),  PropertyAttribute::READONLY,  0       },
+        { OUString("BottomMargin")                     , HANDLE_BOTTOM_MARGIN                      ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  DIS_BOTTOMSPACE       },
+        { OUString("CustomFontNameFixed")              , HANDLE_CUSTOM_FONT_NAME_FIXED             ,  ::cppu::UnoType<OUString>::get(),                                      PROPERTY_NONE,  FNT_FIXED             },
+        { OUString("CustomFontNameSans")               , HANDLE_CUSTOM_FONT_NAME_SANS              ,  ::cppu::UnoType<OUString>::get(),                                      PROPERTY_NONE,  FNT_SANS              },
+        { OUString("CustomFontNameSerif")              , HANDLE_CUSTOM_FONT_NAME_SERIF             ,  ::cppu::UnoType<OUString>::get(),                                      PROPERTY_NONE,  FNT_SERIF             },
+        { OUString("DialogLibraries")                  , HANDLE_DIALOG_LIBRARIES                   ,  cppu::UnoType<script::XLibraryContainer>::get(),  PropertyAttribute::READONLY,  0       },
+        { OUString("FontFixedIsBold")                  , HANDLE_CUSTOM_FONT_FIXED_WEIGHT           ,  cppu::UnoType<bool>::get(),                                                 PROPERTY_NONE,  FNT_FIXED             },
+        { OUString("FontFixedIsItalic")                , HANDLE_CUSTOM_FONT_FIXED_POSTURE          ,  cppu::UnoType<bool>::get(),                                                 PROPERTY_NONE,  FNT_FIXED             },
+        { OUString("FontFunctionsIsBold")              , HANDLE_FONT_FUNCTIONS_WEIGHT              ,  cppu::UnoType<bool>::get(),                                                 PROPERTY_NONE,  FNT_FUNCTION          },
+        { OUString("FontFunctionsIsItalic")            , HANDLE_FONT_FUNCTIONS_POSTURE             ,  cppu::UnoType<bool>::get(),                                                 PROPERTY_NONE,  FNT_FUNCTION          },
+        { OUString("FontMathIsBold")                   , HANDLE_FONT_MATH_WEIGHT                   ,  cppu::UnoType<bool>::get(),                                                 PROPERTY_NONE,  FNT_MATH              },
+        { OUString("FontMathIsItalic")                 , HANDLE_FONT_MATH_POSTURE                  ,  cppu::UnoType<bool>::get(),                                                 PROPERTY_NONE,  FNT_MATH              },
+        { OUString("FontNameFunctions")                , HANDLE_FONT_NAME_FUNCTIONS                ,  ::cppu::UnoType<OUString>::get(),                                      PROPERTY_NONE,  FNT_FUNCTION          },
+        { OUString("FontNameMath")                     , HANDLE_FONT_NAME_MATH                     ,  ::cppu::UnoType<OUString>::get(),                                      PROPERTY_NONE,  FNT_MATH              },
+        { OUString("FontNameNumbers")                  , HANDLE_FONT_NAME_NUMBERS                  ,  ::cppu::UnoType<OUString>::get(),                                      PROPERTY_NONE,  FNT_NUMBER            },
+        { OUString("FontNameText")                     , HANDLE_FONT_NAME_TEXT                     ,  ::cppu::UnoType<OUString>::get(),                                      PROPERTY_NONE,  FNT_TEXT              },
+        { OUString("FontNameVariables")                , HANDLE_FONT_NAME_VARIABLES                ,  ::cppu::UnoType<OUString>::get(),                                      PROPERTY_NONE,  FNT_VARIABLE          },
+        { OUString("FontNumbersIsBold")                , HANDLE_FONT_NUMBERS_WEIGHT                ,  cppu::UnoType<bool>::get(),                                                 PROPERTY_NONE,  FNT_NUMBER            },
+        { OUString("FontNumbersIsItalic")              , HANDLE_FONT_NUMBERS_POSTURE               ,  cppu::UnoType<bool>::get(),                                                 PROPERTY_NONE,  FNT_NUMBER            },
+        { OUString("FontSansIsBold")                   , HANDLE_CUSTOM_FONT_SANS_WEIGHT            ,  cppu::UnoType<bool>::get(),                                                 PROPERTY_NONE,  FNT_SANS              },
+        { OUString("FontSansIsItalic")                 , HANDLE_CUSTOM_FONT_SANS_POSTURE           ,  cppu::UnoType<bool>::get(),                                                 PROPERTY_NONE,  FNT_SANS              },
+        { OUString("FontSerifIsBold")                  , HANDLE_CUSTOM_FONT_SERIF_WEIGHT           ,  cppu::UnoType<bool>::get(),                                                 PROPERTY_NONE,  FNT_SERIF             },
+        { OUString("FontSerifIsItalic")                , HANDLE_CUSTOM_FONT_SERIF_POSTURE          ,  cppu::UnoType<bool>::get(),                                                 PROPERTY_NONE,  FNT_SERIF             },
+        { OUString("FontTextIsBold")                   , HANDLE_FONT_TEXT_WEIGHT                   ,  cppu::UnoType<bool>::get(),                                                 PROPERTY_NONE,  FNT_TEXT              },
+        { OUString("FontTextIsItalic")                 , HANDLE_FONT_TEXT_POSTURE                  ,  cppu::UnoType<bool>::get(),                                                 PROPERTY_NONE,  FNT_TEXT              },
+        { OUString("FontVariablesIsBold")              , HANDLE_FONT_VARIABLES_WEIGHT              ,  cppu::UnoType<bool>::get(),                                                 PROPERTY_NONE,  FNT_VARIABLE          },
+        { OUString("FontVariablesIsItalic")            , HANDLE_FONT_VARIABLES_POSTURE             ,  cppu::UnoType<bool>::get(),                                                 PROPERTY_NONE,  FNT_VARIABLE          },
+        { OUString("Formula")                          , HANDLE_FORMULA                            ,  ::cppu::UnoType<OUString>::get(),                                      PROPERTY_NONE,  0                     },
+        { OUString("IsScaleAllBrackets")               , HANDLE_IS_SCALE_ALL_BRACKETS              ,  cppu::UnoType<bool>::get(),                                                 PROPERTY_NONE,  0                     },
+        { OUString("IsTextMode")                       , HANDLE_IS_TEXT_MODE                       ,  cppu::UnoType<bool>::get(),                                                 PROPERTY_NONE,  0                     },
+        { OUString("IsRightToLeft")                    , HANDLE_IS_RIGHT_TO_LEFT                   ,  cppu::UnoType<bool>::get(),                                                 PROPERTY_NONE,  0                     },
+        { OUString("GreekCharStyle")                   , HANDLE_GREEK_CHAR_STYLE                   ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  0                     },
+        { OUString("LeftMargin")                       , HANDLE_LEFT_MARGIN                        ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  DIS_LEFTSPACE         },
+        { OUString("PrinterName")                      , HANDLE_PRINTER_NAME                       ,  ::cppu::UnoType<OUString>::get(),                                      PROPERTY_NONE,  0                     },
+        { OUString("PrinterSetup")                     , HANDLE_PRINTER_SETUP                      ,  cppu::UnoType<const Sequence < sal_Int8 >>::get(),                         PROPERTY_NONE,  0                     },
+        { OUString("RelativeBracketDistance")          , HANDLE_RELATIVE_BRACKET_DISTANCE          ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  DIS_BRACKETSPACE      },
+        { OUString("RelativeBracketExcessSize")        , HANDLE_RELATIVE_BRACKET_EXCESS_SIZE       ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  DIS_BRACKETSIZE       },
+        { OUString("RelativeFontHeightFunctions")      , HANDLE_RELATIVE_FONT_HEIGHT_FUNCTIONS     ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  SIZ_FUNCTION          },
+        { OUString("RelativeFontHeightIndices")        , HANDLE_RELATIVE_FONT_HEIGHT_INDICES       ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  SIZ_INDEX             },
+        { OUString("RelativeFontHeightLimits")         , HANDLE_RELATIVE_FONT_HEIGHT_LIMITS        ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  SIZ_LIMITS            },
+        { OUString("RelativeFontHeightOperators")      , HANDLE_RELATIVE_FONT_HEIGHT_OPERATORS     ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  SIZ_OPERATOR          },
+        { OUString("RelativeFontHeightText")           , HANDLE_RELATIVE_FONT_HEIGHT_TEXT          ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  SIZ_TEXT              },
+        { OUString("RelativeFractionBarExcessLength")  , HANDLE_RELATIVE_FRACTION_BAR_EXCESS_LENGTH,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  DIS_FRACTION          },
+        { OUString("RelativeFractionBarLineWeight")    , HANDLE_RELATIVE_FRACTION_BAR_LINE_WEIGHT  ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  DIS_STROKEWIDTH       },
+        { OUString("RelativeFractionDenominatorDepth") , HANDLE_RELATIVE_FRACTION_DENOMINATOR_DEPTH,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  DIS_DENOMINATOR       },
+        { OUString("RelativeFractionNumeratorHeight")  , HANDLE_RELATIVE_FRACTION_NUMERATOR_HEIGHT ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  DIS_NUMERATOR         },
+        { OUString("RelativeIndexSubscript")           , HANDLE_RELATIVE_INDEX_SUBSCRIPT           ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  DIS_SUBSCRIPT         },
+        { OUString("RelativeIndexSuperscript")         , HANDLE_RELATIVE_INDEX_SUPERSCRIPT         ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  DIS_SUPERSCRIPT       },
+        { OUString("RelativeLineSpacing")              , HANDLE_RELATIVE_LINE_SPACING              ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  DIS_VERTICAL          },
+        { OUString("RelativeLowerLimitDistance")       , HANDLE_RELATIVE_LOWER_LIMIT_DISTANCE      ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  DIS_LOWERLIMIT        },
+        { OUString("RelativeMatrixColumnSpacing")      , HANDLE_RELATIVE_MATRIX_COLUMN_SPACING     ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  DIS_MATRIXCOL         },
+        { OUString("RelativeMatrixLineSpacing")        , HANDLE_RELATIVE_MATRIX_LINE_SPACING       ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  DIS_MATRIXROW         },
+        { OUString("RelativeOperatorExcessSize")       , HANDLE_RELATIVE_OPERATOR_EXCESS_SIZE      ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  DIS_OPERATORSIZE      },
+        { OUString("RelativeOperatorSpacing")          , HANDLE_RELATIVE_OPERATOR_SPACING          ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  DIS_OPERATORSPACE     },
+        { OUString("RelativeRootSpacing")              , HANDLE_RELATIVE_ROOT_SPACING              ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  DIS_ROOT              },
+        { OUString("RelativeScaleBracketExcessSize")   , HANDLE_RELATIVE_SCALE_BRACKET_EXCESS_SIZE ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  DIS_NORMALBRACKETSIZE },
+        { OUString("RelativeSpacing")                  , HANDLE_RELATIVE_SPACING                   ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  DIS_HORIZONTAL        },
+        { OUString("RelativeSymbolMinimumHeight")      , HANDLE_RELATIVE_SYMBOL_MINIMUM_HEIGHT     ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  DIS_ORNAMENTSPACE     },
+        { OUString("RelativeSymbolPrimaryHeight")      , HANDLE_RELATIVE_SYMBOL_PRIMARY_HEIGHT     ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  DIS_ORNAMENTSIZE      },
+        { OUString("RelativeUpperLimitDistance")       , HANDLE_RELATIVE_UPPER_LIMIT_DISTANCE      ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  DIS_UPPERLIMIT        },
+        { OUString("RightMargin")                      , HANDLE_RIGHT_MARGIN                       ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  DIS_RIGHTSPACE        },
+        { OUString("RuntimeUID")                       , HANDLE_RUNTIME_UID                        ,  cppu::UnoType<OUString>::get(),                                        PropertyAttribute::READONLY,  0       },
+        { OUString("SaveThumbnail")                    , HANDLE_SAVE_THUMBNAIL                     ,  cppu::UnoType<bool>::get(),                                            PROPERTY_NONE,  0                     },
+        { OUString("Symbols")                          , HANDLE_SYMBOLS                            ,  cppu::UnoType<Sequence < SymbolDescriptor >>::get(),                   PROPERTY_NONE,  0                     },
+        { OUString("UserDefinedSymbolsInUse")          , HANDLE_USED_SYMBOLS                       ,  cppu::UnoType<Sequence < SymbolDescriptor >>::get(),                   PropertyAttribute::READONLY,  0       },
+        { OUString("TopMargin")                        , HANDLE_TOP_MARGIN                         ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  DIS_TOPSPACE          },
+        // #i33095# Security Options
+        { OUString("LoadReadonly")                     , HANDLE_LOAD_READONLY                      ,  cppu::UnoType<bool>::get(),                                            PROPERTY_NONE,  0                     },
+        // #i972#
+        { OUString("BaseLine")                         , HANDLE_BASELINE                           ,  ::cppu::UnoType<sal_Int16>::get(),                                     PROPERTY_NONE,  0                     },
+        { OUString("InteropGrabBag")                   , HANDLE_INTEROP_GRAB_BAG                   ,  cppu::UnoType<uno::Sequence< beans::PropertyValue >>::get(),           PROPERTY_NONE,  0                     },
+        { OUString("SyntaxVersion")                    , HANDLE_STARMATH_VERSION                   ,  ::cppu::UnoType<sal_Int16>::get(),                             PROPERTY_NONE,  0                     },
+    };
+    static const rtl::Reference<PropertySetInfo> PROPS_INFO = new PropertySetInfo ( aModelPropertyInfoMap );
+    return PROPS_INFO;
+}
+
+SmModel::SmModel( SfxObjectShell *pObjSh )
+: SfxBaseModel(pObjSh)
+, PropertySetHelper ( lcl_createModelPropertyInfo () )
+{
+}
+
+SmModel::~SmModel() noexcept
+{
+}
+
+uno::Any SAL_CALL SmModel::queryInterface( const uno::Type& rType )
+{
+    uno::Any aRet =  ::cppu::queryInterface ( rType,
+                                    // PropertySetHelper interfaces
+                                    static_cast< XPropertySet* > ( this ),
+                                    static_cast< XMultiPropertySet* > ( this ),
+                                    // my own interfaces
+                                    static_cast< XServiceInfo*  > ( this ),
+                                    static_cast< XRenderable*  > ( this ) );
+    if (!aRet.hasValue())
+        aRet = SfxBaseModel::queryInterface ( rType );
+    return aRet;
+}
+
+void SAL_CALL SmModel::acquire() noexcept
+{
+    OWeakObject::acquire();
+}
+
+void SAL_CALL SmModel::release() noexcept
+{
+    OWeakObject::release();
+}
+
+uno::Sequence< uno::Type > SAL_CALL SmModel::getTypes(  )
+{
+    return comphelper::concatSequences(SfxBaseModel::getTypes(),
+        uno::Sequence  {
+            cppu::UnoType<XServiceInfo>::get(),
+            cppu::UnoType<XPropertySet>::get(),
+            cppu::UnoType<XMultiPropertySet>::get(),
+            cppu::UnoType<XRenderable>::get() });
+}
+
+const uno::Sequence< sal_Int8 > & SmModel::getUnoTunnelId()
+{
+    static const comphelper::UnoIdInit theSmModelUnoTunnelId;
+    return theSmModelUnoTunnelId.getSeq();
+}
+
+sal_Int64 SAL_CALL SmModel::getSomething( const uno::Sequence< sal_Int8 >& rId )
+{
+    return comphelper::getSomethingImpl(rId, this,
+                                        comphelper::FallbackToGetSomethingOf<SfxBaseModel>{});
+}
+
+static sal_Int16 lcl_AnyToINT16(const uno::Any& rAny)
+{
+    sal_Int16 nRet = 0;
+    if( auto x = o3tl::tryAccess<double>(rAny) )
+        nRet = static_cast<sal_Int16>(*x);
+    else
+        rAny >>= nRet;
+    return nRet;
+}
+
+OUString SmModel::getImplementationName()
+{
+    return "com.sun.star.comp.Math.FormulaDocument";
+}
+
+sal_Bool SmModel::supportsService(const OUString& rServiceName)
+{
+    return cppu::supportsService(this, rServiceName);
+}
+
+uno::Sequence< OUString > SmModel::getSupportedServiceNames()
+{
+    static constexpr OUString service1 = u"com.sun.star.document.OfficeDocument"_ustr;
+    static constexpr OUString service2 = u"com.sun.star.formula.FormulaProperties"_ustr;
+    return uno::Sequence<OUString>{ service1, service2 };
+}
+
+void SmModel::_setPropertyValues(const PropertyMapEntry** ppEntries, const Any* pValues)
+{
+    SolarMutexGuard aGuard;
+
+    SmDocShell *pDocSh = static_cast < SmDocShell * > (GetObjectShell());
+
+    if ( nullptr == pDocSh )
+        throw UnknownPropertyException();
+
+    SmFormat aFormat = pDocSh->GetFormat();
+
+    for (; *ppEntries; ppEntries++, pValues++ )
+    {
+        if ((*ppEntries)->mnAttributes & PropertyAttribute::READONLY)
+            throw PropertyVetoException();
+
+        switch ( (*ppEntries)->mnHandle )
+        {
+            case HANDLE_FORMULA:
+            {
+                OUString aText;
+                *pValues >>= aText;
+                pDocSh->SetText(aText);
+            }
+            break;
+            case HANDLE_FONT_NAME_MATH                     :
+            case HANDLE_FONT_NAME_VARIABLES                :
+            case HANDLE_FONT_NAME_FUNCTIONS                :
+            case HANDLE_FONT_NAME_NUMBERS                  :
+            case HANDLE_FONT_NAME_TEXT                     :
+            case HANDLE_CUSTOM_FONT_NAME_SERIF             :
+            case HANDLE_CUSTOM_FONT_NAME_SANS              :
+            case HANDLE_CUSTOM_FONT_NAME_FIXED             :
+            {
+                OUString sFontName;
+                *pValues >>= sFontName;
+                if(sFontName.isEmpty())
+                    throw IllegalArgumentException();
+                maFonts[(*ppEntries)->mnMemberId].SetFamilyName(sFontName);
+            }
+            break;
+            case HANDLE_CUSTOM_FONT_FIXED_POSTURE:
+            case HANDLE_CUSTOM_FONT_SANS_POSTURE :
+            case HANDLE_CUSTOM_FONT_SERIF_POSTURE:
+            case HANDLE_FONT_MATH_POSTURE        :
+            case HANDLE_FONT_VARIABLES_POSTURE   :
+            case HANDLE_FONT_FUNCTIONS_POSTURE   :
+            case HANDLE_FONT_NUMBERS_POSTURE     :
+            case HANDLE_FONT_TEXT_POSTURE        :
+            {
+                std::optional<const bool> bVal = o3tl::tryAccess<bool>(*pValues);
+                if(!bVal.has_value())
+                    throw IllegalArgumentException();
+                maFonts[(*ppEntries)->mnMemberId].SetItalic(*bVal ? ITALIC_NORMAL : ITALIC_NONE);
+            }
+            break;
+            case HANDLE_CUSTOM_FONT_FIXED_WEIGHT :
+            case HANDLE_CUSTOM_FONT_SANS_WEIGHT  :
+            case HANDLE_CUSTOM_FONT_SERIF_WEIGHT :
+            case HANDLE_FONT_MATH_WEIGHT         :
+            case HANDLE_FONT_VARIABLES_WEIGHT    :
+            case HANDLE_FONT_FUNCTIONS_WEIGHT    :
+            case HANDLE_FONT_NUMBERS_WEIGHT      :
+            case HANDLE_FONT_TEXT_WEIGHT         :
+            {
+                std::optional<const bool> bVal = o3tl::tryAccess<bool>(*pValues);
+                if(!bVal.has_value())
+                    throw IllegalArgumentException();
+                maFonts[(*ppEntries)->mnMemberId].SetWeight(*bVal ? WEIGHT_BOLD : WEIGHT_NORMAL);
+            }
+            break;
+            case HANDLE_BASE_FONT_HEIGHT                   :
+            {
+                // Point!
+                sal_Int16 nVal = lcl_AnyToINT16(*pValues);
+                if(nVal < 1)
+                    throw IllegalArgumentException();
+                Size aSize = aFormat.GetBaseSize();
+                aSize.setHeight(o3tl::convert(nVal, o3tl::Length::pt, SmO3tlLengthUnit()));
+                aFormat.SetBaseSize(aSize);
+
+                // apply base size to fonts
+                const Size aTmp( aFormat.GetBaseSize() );
+                for (sal_uInt16  i = FNT_BEGIN;  i <= FNT_END;  i++)
+                    maFonts[i].SetSize(aTmp);
+            }
+            break;
+            case HANDLE_RELATIVE_FONT_HEIGHT_TEXT          :
+            case HANDLE_RELATIVE_FONT_HEIGHT_INDICES       :
+            case HANDLE_RELATIVE_FONT_HEIGHT_FUNCTIONS     :
+            case HANDLE_RELATIVE_FONT_HEIGHT_OPERATORS     :
+            case HANDLE_RELATIVE_FONT_HEIGHT_LIMITS        :
+            {
+                sal_Int16 nVal = 0;
+                *pValues >>= nVal;
+                if(nVal < 1)
+                    throw IllegalArgumentException();
+                aFormat.SetRelSize((*ppEntries)->mnMemberId, nVal);
+            }
+            break;
+
+            case HANDLE_IS_TEXT_MODE                       :
+            {
+                aFormat.SetTextmode(*o3tl::doAccess<bool>(*pValues));
+            }
+            break;
+
+            case HANDLE_IS_RIGHT_TO_LEFT                   :
+                aFormat.SetRightToLeft(*o3tl::doAccess<bool>(*pValues));
+            break;
+
+            case HANDLE_GREEK_CHAR_STYLE                    :
+            {
+                sal_Int16 nVal = 0;
+                *pValues >>= nVal;
+                if (nVal < 0 || nVal > 2)
+                    throw IllegalArgumentException();
+                aFormat.SetGreekCharStyle( nVal );
+            }
+            break;
+
+            case HANDLE_ALIGNMENT                          :
+            {
+                // SmHorAlign uses the same values as HorizontalAlignment
+                sal_Int16 nVal = 0;
+                *pValues >>= nVal;
+                if(nVal < 0 || nVal > 2)
+                    throw IllegalArgumentException();
+                aFormat.SetHorAlign(static_cast<SmHorAlign>(nVal));
+            }
+            break;
+
+            case HANDLE_RELATIVE_SPACING                   :
+            case HANDLE_RELATIVE_LINE_SPACING              :
+            case HANDLE_RELATIVE_ROOT_SPACING              :
+            case HANDLE_RELATIVE_INDEX_SUPERSCRIPT         :
+            case HANDLE_RELATIVE_INDEX_SUBSCRIPT           :
+            case HANDLE_RELATIVE_FRACTION_NUMERATOR_HEIGHT :
+            case HANDLE_RELATIVE_FRACTION_DENOMINATOR_DEPTH:
+            case HANDLE_RELATIVE_FRACTION_BAR_EXCESS_LENGTH:
+            case HANDLE_RELATIVE_FRACTION_BAR_LINE_WEIGHT  :
+            case HANDLE_RELATIVE_UPPER_LIMIT_DISTANCE      :
+            case HANDLE_RELATIVE_LOWER_LIMIT_DISTANCE      :
+            case HANDLE_RELATIVE_BRACKET_EXCESS_SIZE       :
+            case HANDLE_RELATIVE_BRACKET_DISTANCE          :
+            case HANDLE_RELATIVE_SCALE_BRACKET_EXCESS_SIZE :
+            case HANDLE_RELATIVE_MATRIX_LINE_SPACING       :
+            case HANDLE_RELATIVE_MATRIX_COLUMN_SPACING     :
+            case HANDLE_RELATIVE_SYMBOL_PRIMARY_HEIGHT     :
+            case HANDLE_RELATIVE_SYMBOL_MINIMUM_HEIGHT     :
+            case HANDLE_RELATIVE_OPERATOR_EXCESS_SIZE      :
+            case HANDLE_RELATIVE_OPERATOR_SPACING          :
+            case HANDLE_LEFT_MARGIN               :
+            case HANDLE_RIGHT_MARGIN              :
+            case HANDLE_TOP_MARGIN                :
+            case HANDLE_BOTTOM_MARGIN             :
+            {
+                sal_Int16 nVal = 0;
+                *pValues >>= nVal;
+                if(nVal < 0)
+                    throw IllegalArgumentException();
+                aFormat.SetDistance((*ppEntries)->mnMemberId, nVal);
+            }
+            break;
+            case HANDLE_IS_SCALE_ALL_BRACKETS              :
+                aFormat.SetScaleNormalBrackets(*o3tl::doAccess<bool>(*pValues));
+            break;
+            case HANDLE_PRINTER_NAME:
+            {
+                // embedded documents just ignore this property for now
+                if ( pDocSh->GetCreateMode() != SfxObjectCreateMode::EMBEDDED )
+                {
+                    SfxPrinter *pPrinter = pDocSh->GetPrinter ( );
+                    if (pPrinter)
+                    {
+                        OUString sPrinterName;
+                        if ( !(*pValues >>= sPrinterName) )
+                            throw IllegalArgumentException();
+
+                        if ( !sPrinterName.isEmpty() )
+                        {
+                            VclPtrInstance<SfxPrinter> pNewPrinter( pPrinter->GetOptions().Clone(), sPrinterName );
+                            if (pNewPrinter->IsKnown())
+                                pDocSh->SetPrinter ( pNewPrinter );
+                            else
+                                pNewPrinter.disposeAndClear();
+                        }
+                    }
+                }
+            }
+            break;
+            case HANDLE_PRINTER_SETUP:
+            {
+                Sequence < sal_Int8 > aSequence;
+                if ( !(*pValues >>= aSequence) )
+                    throw IllegalArgumentException();
+
+                sal_uInt32 nSize = aSequence.getLength();
+                SvMemoryStream aStream ( aSequence.getArray(), nSize, StreamMode::READ );
+                aStream.Seek ( STREAM_SEEK_TO_BEGIN );
+                auto pItemSet = std::make_unique<SfxItemSetFixed<
+                    SID_PRINTTITLE,      SID_PRINTTITLE,
+                    SID_PRINTTEXT,       SID_PRINTTEXT,
+                    SID_PRINTFRAME,      SID_PRINTFRAME,
+                    SID_PRINTSIZE,       SID_PRINTSIZE,
+                    SID_PRINTZOOM,       SID_PRINTZOOM,
+                    SID_NO_RIGHT_SPACES, SID_NO_RIGHT_SPACES,
+                    SID_SAVE_ONLY_USED_SYMBOLS, SID_SAVE_ONLY_USED_SYMBOLS,
+                    SID_AUTO_CLOSE_BRACKETS,    SID_SMEDITWINDOWZOOM,
+                    SID_INLINE_EDIT_ENABLE, SID_INLINE_EDIT_ENABLE>> ( SmDocShell::GetPool() );
+                SmModule *pp = SM_MOD();
+                pp->GetConfig()->ConfigToItemSet(*pItemSet);
+                VclPtr<SfxPrinter> pPrinter = SfxPrinter::Create ( aStream, std::move(pItemSet) );
+
+                pDocSh->SetPrinter( pPrinter );
+            }
+            break;
+            case HANDLE_SYMBOLS:
+            {
+                // this is set
+                Sequence < SymbolDescriptor > aSequence;
+                if ( !(*pValues >>= aSequence) )
+                    throw IllegalArgumentException();
+
+                SmModule *pp = SM_MOD();
+                SmSymbolManager &rManager = pp->GetSymbolManager();
+                for (const SymbolDescriptor& rDescriptor : std::as_const(aSequence))
+                {
+                    vcl::Font aFont;
+                    aFont.SetFamilyName ( rDescriptor.sFontName );
+                    aFont.SetCharSet ( static_cast < rtl_TextEncoding > (rDescriptor.nCharSet) );
+                    aFont.SetFamily ( static_cast < FontFamily > (rDescriptor.nFamily ) );
+                    aFont.SetPitch  ( static_cast < FontPitch >  (rDescriptor.nPitch ) );
+                    aFont.SetWeight ( static_cast < FontWeight > (rDescriptor.nWeight ) );
+                    aFont.SetItalic ( static_cast < FontItalic > (rDescriptor.nItalic ) );
+                    SmSym aSymbol ( rDescriptor.sName, aFont, static_cast < sal_Unicode > (rDescriptor.nCharacter),
+                                    rDescriptor.sSymbolSet );
+                    aSymbol.SetExportName ( rDescriptor.sExportName );
+                    rManager.AddOrReplaceSymbol ( aSymbol );
+                }
+            }
+            break;
+            // #i33095# Security Options
+            case HANDLE_LOAD_READONLY :
+            {
+                if ( (*pValues).getValueType() != cppu::UnoType<bool>::get() )
+                    throw IllegalArgumentException();
+                bool bReadonly = false;
+                if ( *pValues >>= bReadonly )
+                    pDocSh->SetLoadReadonly( bReadonly );
+                break;
+            }
+            case HANDLE_INTEROP_GRAB_BAG:
+                setGrabBagItem(*pValues);
+            break;
+            case HANDLE_SAVE_THUMBNAIL:
+            {
+                if ((*pValues).getValueType() != cppu::UnoType<bool>::get())
+                    throw IllegalArgumentException();
+                bool bThumbnail = false;
+                if (*pValues >>= bThumbnail)
+                    pDocSh->SetUseThumbnailSave(bThumbnail);
+            }
+            break;
+            case HANDLE_STARMATH_VERSION:
+                pDocSh->SetSmSyntaxVersion(pValues->get<sal_Int16>());
+                break;
+        }
+    }
+
+    // tdf#143213
+    // Collect all font settings and apply them at the end, since the font name change can be seen
+    // after italic or bold settings and would then override them.
+    for (sal_uInt16 nFontDesc = FNT_BEGIN; nFontDesc <= FNT_END; ++nFontDesc)
+    {
+        const SmFace& rFont = maFonts[nFontDesc];
+        if (rFont.GetFamilyName().isEmpty())
+            continue;
+
+        if (aFormat.GetFont(nFontDesc).GetFamilyName() != rFont.GetFamilyName())
+        {
+            const SmFace rOld = aFormat.GetFont(nFontDesc);
+
+            SmFace aSet(rFont.GetFamilyName(), rOld.GetFontSize());
+            aSet.SetBorderWidth(rOld.GetBorderWidth());
+            aSet.SetAlignment(ALIGN_BASELINE);
+            aFormat.SetFont(nFontDesc, aSet);
+        }
+
+        if (aFormat.GetFont(nFontDesc).GetItalic() != rFont.GetItalic())
+        {
+            vcl::Font aNewFont(aFormat.GetFont(nFontDesc));
+            aNewFont.SetItalic(rFont.GetItalic());
+            aFormat.SetFont(nFontDesc, aNewFont);
+        }
+
+        if (aFormat.GetFont(nFontDesc).GetWeight() != rFont.GetWeight())
+        {
+            vcl::Font aNewFont(aFormat.GetFont(nFontDesc));
+            aNewFont.SetWeight(rFont.GetWeight());
+            aFormat.SetFont(nFontDesc, aNewFont);
+        }
+
+        if (aFormat.GetFont(nFontDesc).GetFontSize() != rFont.GetFontSize())
+        {
+            aFormat.SetFontSize(nFontDesc, rFont.GetFontSize());
+        }
+    }
+
+    pDocSh->SetFormat( aFormat );
+
+    // #i67283# since about all of the above changes are likely to change
+    // the formula size we have to recalculate the vis-area now
+    pDocSh->SetVisArea( tools::Rectangle( Point(0, 0), pDocSh->GetSize() ) );
+}
+
+void SmModel::_getPropertyValues( const PropertyMapEntry **ppEntries, Any *pValue )
+{
+    SmDocShell *pDocSh = static_cast < SmDocShell * > (GetObjectShell());
+
+    if ( nullptr == pDocSh )
+        throw UnknownPropertyException();
+
+    const SmFormat & aFormat = pDocSh->GetFormat();
+
+    for (; *ppEntries; ppEntries++, pValue++ )
+    {
+        switch ( (*ppEntries)->mnHandle )
+        {
+            case HANDLE_FORMULA:
+                *pValue <<= pDocSh->GetText();
+            break;
+            case HANDLE_FONT_NAME_MATH                     :
+            case HANDLE_FONT_NAME_VARIABLES                :
+            case HANDLE_FONT_NAME_FUNCTIONS                :
+            case HANDLE_FONT_NAME_NUMBERS                  :
+            case HANDLE_FONT_NAME_TEXT                     :
+            case HANDLE_CUSTOM_FONT_NAME_SERIF             :
+            case HANDLE_CUSTOM_FONT_NAME_SANS              :
+            case HANDLE_CUSTOM_FONT_NAME_FIXED             :
+            {
+                const SmFace &  rFace = aFormat.GetFont((*ppEntries)->mnMemberId);
+                *pValue <<= rFace.GetFamilyName();
+            }
+            break;
+            case HANDLE_CUSTOM_FONT_FIXED_POSTURE:
+            case HANDLE_CUSTOM_FONT_SANS_POSTURE :
+            case HANDLE_CUSTOM_FONT_SERIF_POSTURE:
+            case HANDLE_FONT_MATH_POSTURE        :
+            case HANDLE_FONT_VARIABLES_POSTURE   :
+            case HANDLE_FONT_FUNCTIONS_POSTURE   :
+            case HANDLE_FONT_NUMBERS_POSTURE     :
+            case HANDLE_FONT_TEXT_POSTURE        :
+            {
+                const SmFace &  rFace = aFormat.GetFont((*ppEntries)->mnMemberId);
+                *pValue <<= IsItalic( rFace );
+            }
+            break;
+            case HANDLE_CUSTOM_FONT_FIXED_WEIGHT :
+            case HANDLE_CUSTOM_FONT_SANS_WEIGHT  :
+            case HANDLE_CUSTOM_FONT_SERIF_WEIGHT :
+            case HANDLE_FONT_MATH_WEIGHT         :
+            case HANDLE_FONT_VARIABLES_WEIGHT    :
+            case HANDLE_FONT_FUNCTIONS_WEIGHT    :
+            case HANDLE_FONT_NUMBERS_WEIGHT      :
+            case HANDLE_FONT_TEXT_WEIGHT         :
+            {
+                const SmFace &  rFace = aFormat.GetFont((*ppEntries)->mnMemberId);
+                *pValue <<= IsBold( rFace );
+            }
+            break;
+            case HANDLE_BASE_FONT_HEIGHT                   :
+            {
+                // Point!
+                *pValue <<= sal_Int16(o3tl::convert(aFormat.GetBaseSize().Height(),
+                                                    SmO3tlLengthUnit(), o3tl::Length::pt));
+            }
+            break;
+            case HANDLE_RELATIVE_FONT_HEIGHT_TEXT           :
+            case HANDLE_RELATIVE_FONT_HEIGHT_INDICES       :
+            case HANDLE_RELATIVE_FONT_HEIGHT_FUNCTIONS     :
+            case HANDLE_RELATIVE_FONT_HEIGHT_OPERATORS     :
+            case HANDLE_RELATIVE_FONT_HEIGHT_LIMITS        :
+                *pValue <<= static_cast<sal_Int16>(aFormat.GetRelSize((*ppEntries)->mnMemberId));
+            break;
+
+            case HANDLE_IS_TEXT_MODE                       :
+                *pValue <<= aFormat.IsTextmode();
+            break;
+
+            case HANDLE_IS_RIGHT_TO_LEFT                   :
+                *pValue <<= aFormat.IsRightToLeft();
+            break;
+
+            case HANDLE_GREEK_CHAR_STYLE                    :
+                *pValue <<= aFormat.GetGreekCharStyle();
+            break;
+
+            case HANDLE_ALIGNMENT                          :
+                // SmHorAlign uses the same values as HorizontalAlignment
+                *pValue <<= static_cast<sal_Int16>(aFormat.GetHorAlign());
+            break;
+
+            case HANDLE_RELATIVE_SPACING                   :
+            case HANDLE_RELATIVE_LINE_SPACING              :
+            case HANDLE_RELATIVE_ROOT_SPACING              :
+            case HANDLE_RELATIVE_INDEX_SUPERSCRIPT         :
+            case HANDLE_RELATIVE_INDEX_SUBSCRIPT           :
+            case HANDLE_RELATIVE_FRACTION_NUMERATOR_HEIGHT :
+            case HANDLE_RELATIVE_FRACTION_DENOMINATOR_DEPTH:
+            case HANDLE_RELATIVE_FRACTION_BAR_EXCESS_LENGTH:
+            case HANDLE_RELATIVE_FRACTION_BAR_LINE_WEIGHT  :
+            case HANDLE_RELATIVE_UPPER_LIMIT_DISTANCE      :
+            case HANDLE_RELATIVE_LOWER_LIMIT_DISTANCE      :
+            case HANDLE_RELATIVE_BRACKET_EXCESS_SIZE       :
+            case HANDLE_RELATIVE_BRACKET_DISTANCE          :
+            case HANDLE_RELATIVE_SCALE_BRACKET_EXCESS_SIZE :
+            case HANDLE_RELATIVE_MATRIX_LINE_SPACING       :
+            case HANDLE_RELATIVE_MATRIX_COLUMN_SPACING     :
+            case HANDLE_RELATIVE_SYMBOL_PRIMARY_HEIGHT     :
+            case HANDLE_RELATIVE_SYMBOL_MINIMUM_HEIGHT     :
+            case HANDLE_RELATIVE_OPERATOR_EXCESS_SIZE      :
+            case HANDLE_RELATIVE_OPERATOR_SPACING          :
+            case HANDLE_LEFT_MARGIN               :
+            case HANDLE_RIGHT_MARGIN              :
+            case HANDLE_TOP_MARGIN                :
+            case HANDLE_BOTTOM_MARGIN             :
+                *pValue <<= static_cast<sal_Int16>(aFormat.GetDistance((*ppEntries)->mnMemberId));
+            break;
+            case HANDLE_IS_SCALE_ALL_BRACKETS              :
+                *pValue <<= aFormat.IsScaleNormalBrackets();
+            break;
+            case HANDLE_PRINTER_NAME:
+            {
+                SfxPrinter *pPrinter = pDocSh->GetPrinter ( );
+                *pValue <<= pPrinter ? pPrinter->GetName() : OUString();
+            }
+            break;
+            case HANDLE_PRINTER_SETUP:
+            {
+                SfxPrinter *pPrinter = pDocSh->GetPrinter ();
+                if (pPrinter)
+                {
+                    SvMemoryStream aStream;
+                    pPrinter->Store( aStream );
+                    sal_uInt32 nSize = aStream.TellEnd();
+                    aStream.Seek ( STREAM_SEEK_TO_BEGIN );
+                    Sequence < sal_Int8 > aSequence ( nSize );
+                    aStream.ReadBytes(aSequence.getArray(), nSize);
+                    *pValue <<= aSequence;
+                }
+            }
+            break;
+            case HANDLE_SYMBOLS:
+            case HANDLE_USED_SYMBOLS:
+            {
+                const bool bUsedSymbolsOnly = (*ppEntries)->mnHandle == HANDLE_USED_SYMBOLS;
+                const std::set< OUString > &rUsedSymbols = pDocSh->GetUsedSymbols();
+
+                // this is get
+                SmModule *pp = SM_MOD();
+                const SmSymbolManager &rManager = pp->GetSymbolManager();
+                std::vector < const SmSym * > aVector;
+
+                const SymbolPtrVec_t aSymbols( rManager.GetSymbols() );
+                for (const SmSym* pSymbol : aSymbols)
+                {
+                    if (pSymbol && !pSymbol->IsPredefined() &&
+                        (!bUsedSymbolsOnly ||
+                         rUsedSymbols.find( pSymbol->GetUiName() ) != rUsedSymbols.end()))
+                        aVector.push_back ( pSymbol );
+                }
+                Sequence < SymbolDescriptor > aSequence ( aVector.size() );
+                SymbolDescriptor * pDescriptor = aSequence.getArray();
+
+                for (const SmSym* pSymbol : aVector)
+                {
+                    pDescriptor->sName = pSymbol->GetUiName();
+                    pDescriptor->sExportName = pSymbol->GetExportName();
+                    pDescriptor->sSymbolSet = pSymbol->GetSymbolSetName();
+                    pDescriptor->nCharacter = static_cast < sal_Int32 > (pSymbol->GetCharacter());
+
+                    vcl::Font rFont = pSymbol->GetFace();
+                    pDescriptor->sFontName = rFont.GetFamilyName();
+                    pDescriptor->nCharSet  = sal::static_int_cast< sal_Int16 >(rFont.GetCharSet());
+                    pDescriptor->nFamily   = sal::static_int_cast< sal_Int16 >(rFont.GetFamilyType());
+                    pDescriptor->nPitch    = sal::static_int_cast< sal_Int16 >(rFont.GetPitch());
+                    pDescriptor->nWeight   = sal::static_int_cast< sal_Int16 >(rFont.GetWeight());
+                    pDescriptor->nItalic   = sal::static_int_cast< sal_Int16 >(rFont.GetItalic());
+                    pDescriptor++;
+                }
+                *pValue <<= aSequence;
+            }
+            break;
+            case HANDLE_BASIC_LIBRARIES:
+                *pValue <<= pDocSh->GetBasicContainer();
+            break;
+            case HANDLE_DIALOG_LIBRARIES:
+                *pValue <<= pDocSh->GetDialogContainer();
+            break;
+            case HANDLE_RUNTIME_UID:
+                *pValue <<= getRuntimeUID();
+            break;
+            // #i33095# Security Options
+            case HANDLE_LOAD_READONLY :
+            {
+                *pValue <<= pDocSh->IsLoadReadonly();
+                break;
+            }
+            // #i972#
+            case HANDLE_BASELINE:
+            {
+                if ( !pDocSh->GetFormulaTree() )
+                    pDocSh->Parse();
+                if ( pDocSh->GetFormulaTree() )
+                {
+                    pDocSh->ArrangeFormula();
+
+                    *pValue <<= static_cast<sal_Int32>( pDocSh->GetFormulaTree()->GetFormulaBaseline() );
+                }
+                break;
+            }
+            case HANDLE_INTEROP_GRAB_BAG:
+                getGrabBagItem(*pValue);
+            break;
+            case HANDLE_SAVE_THUMBNAIL:
+            {
+                *pValue <<= pDocSh->IsUseThumbnailSave();
+            }
+            break;
+            case HANDLE_STARMATH_VERSION:
+                *pValue <<= pDocSh->GetSmSyntaxVersion();
+                break;
+        }
+    }
+}
+
+
+sal_Int32 SAL_CALL SmModel::getRendererCount(
+        const uno::Any& /*rSelection*/,
+        const uno::Sequence< beans::PropertyValue >& /*xOptions*/ )
+{
+    return 1;
+}
+
+uno::Sequence< beans::PropertyValue > SAL_CALL SmModel::getRenderer(
+        sal_Int32 nRenderer,
+        const uno::Any& /*rSelection*/,
+        const uno::Sequence< beans::PropertyValue >& /*rxOptions*/ )
+{
+    SolarMutexGuard aGuard;
+
+    if (0 != nRenderer)
+        throw IllegalArgumentException();
+
+    SmDocShell *pDocSh = static_cast < SmDocShell * >( GetObjectShell() );
+    if (!pDocSh)
+        throw RuntimeException();
+
+    SmPrinterAccess aPrinterAccess( *pDocSh );
+    Size aPrtPaperSize;
+    if (Printer *pPrinter = aPrinterAccess.GetPrinter())
+    {
+        // tdf#157965: UNO methods are expected to return sizes in mm/100
+        pPrinter->SetMapMode(MapMode(MapUnit::Map100thMM)); // reset in SmPrinterAccess dtor
+        aPrtPaperSize = pPrinter->GetPaperSize();
+    }
+
+    // if paper size is 0 (usually if no 'real' printer is found),
+    // guess the paper size
+    if (aPrtPaperSize.IsEmpty())
+        aPrtPaperSize = SvxPaperInfo::GetDefaultPaperSize(MapUnit::Map100thMM);
+    awt::Size   aPageSize( aPrtPaperSize.Width(), aPrtPaperSize.Height() );
+
+    uno::Sequence< beans::PropertyValue > aRenderer(1);
+    PropertyValue  &rValue = aRenderer.getArray()[0];
+    rValue.Name  = "PageSize";
+    rValue.Value <<= aPageSize;
+
+    if (!m_pPrintUIOptions)
+        m_pPrintUIOptions.reset(new SmPrintUIOptions);
+    m_pPrintUIOptions->appendPrintUIOptions( aRenderer );
+
+    return aRenderer;
+}
+
+void SAL_CALL SmModel::render(
+        sal_Int32 nRenderer,
+        const uno::Any& rSelection,
+        const uno::Sequence< beans::PropertyValue >& rxOptions )
+{
+    SolarMutexGuard aGuard;
+
+    if (0 != nRenderer)
+        throw IllegalArgumentException();
+
+    SmDocShell *pDocSh = static_cast < SmDocShell * >( GetObjectShell() );
+    if (!pDocSh)
+        throw RuntimeException();
+
+    // get device to be rendered in
+    uno::Reference< awt::XDevice >  xRenderDevice;
+    for (const auto& rxOption : rxOptions)
+    {
+        if( rxOption.Name == "RenderDevice" )
+            rxOption.Value >>= xRenderDevice;
+    }
+
+    if (!xRenderDevice.is())
+        return;
+
+    VCLXDevice*   pDevice = dynamic_cast<VCLXDevice*>( xRenderDevice.get() );
+    VclPtr< OutputDevice> pOut = pDevice ? pDevice->GetOutputDevice()
+                                         : VclPtr< OutputDevice >();
+    if (!pOut)
+        throw RuntimeException();
+
+    pOut->SetMapMode(MapMode(SmMapUnit()));
+
+    uno::Reference< frame::XModel > xModel;
+    rSelection >>= xModel;
+    if (xModel != pDocSh->GetModel())
+        return;
+
+    SmPrinterAccess aPrinterAccess( *pDocSh );
+
+    Size aPrtPaperSize;
+    Size aOutputSize;
+    Point aPrtPageOffset;
+    if (Printer *pPrinter = aPrinterAccess.GetPrinter())
+    {
+        aPrtPaperSize = pPrinter->GetPaperSize();
+        aOutputSize = pPrinter->GetOutputSize();
+        aPrtPageOffset = pPrinter->GetPageOffset();
+    }
+
+    // no real printer ??
+    if (aPrtPaperSize.IsEmpty())
+    {
+        aPrtPaperSize = SvxPaperInfo::GetDefaultPaperSize(SmMapUnit());
+        // factors from Windows DIN A4
+        aOutputSize    = Size( static_cast<tools::Long>(aPrtPaperSize.Width()  * 0.941),
+                               static_cast<tools::Long>(aPrtPaperSize.Height() * 0.961));
+        aPrtPageOffset = Point( static_cast<tools::Long>(aPrtPaperSize.Width()  * 0.0250),
+                                static_cast<tools::Long>(aPrtPaperSize.Height() * 0.0214));
+    }
+    tools::Rectangle OutputRect( Point(), aOutputSize );
+
+
+    // set minimum top and bottom border
+    if (aPrtPageOffset.Y() < 2000)
+        OutputRect.AdjustTop(2000 - aPrtPageOffset.Y() );
+    if ((aPrtPaperSize.Height() - (aPrtPageOffset.Y() + OutputRect.Bottom())) < 2000)
+        OutputRect.AdjustBottom( -(2000 - (aPrtPaperSize.Height() -
+                                    (aPrtPageOffset.Y() + OutputRect.Bottom()))) );
+
+    // set minimum left and right border
+    if (aPrtPageOffset.X() < 2500)
+        OutputRect.AdjustLeft(2500 - aPrtPageOffset.X() );
+    if ((aPrtPaperSize.Width() - (aPrtPageOffset.X() + OutputRect.Right())) < 1500)
+        OutputRect.AdjustRight( -(1500 - (aPrtPaperSize.Width() -
+                                    (aPrtPageOffset.X() + OutputRect.Right()))) );
+
+    if (!m_pPrintUIOptions)
+        m_pPrintUIOptions.reset(new SmPrintUIOptions);
+    m_pPrintUIOptions->processProperties( rxOptions );
+
+    pDocSh->Impl_Print(*pOut, *m_pPrintUIOptions, OutputRect);
+
+    // release SmPrintUIOptions when everything is done.
+    // That way, when SmPrintUIOptions is needed again it will read the latest configuration settings in its c-tor.
+    if (m_pPrintUIOptions->getBoolValue( "IsLastPage" ))
+    {
+        m_pPrintUIOptions.reset();
+    }
+}
+
+void SAL_CALL SmModel::setParent( const uno::Reference< uno::XInterface >& xParent)
+{
+    SolarMutexGuard aGuard;
+    SfxBaseModel::setParent( xParent );
+    if (SfxObjectShell* pDoc = SfxObjectShell::GetShellFromComponent(xParent))
+        GetObjectShell()->OnDocumentPrinterChanged(pDoc->GetDocumentPrinter());
+}
+
+void SmModel::writeFormulaOoxml(
+        ::sax_fastparser::FSHelperPtr const pSerializer,
+        oox::core::OoxmlVersion const version,
+        oox::drawingml::DocumentType const documentType, sal_Int8 nAlign)
+{
+    static_cast<SmDocShell*>(GetObjectShell())->writeFormulaOoxml(pSerializer, version, documentType, nAlign);
+}
+
+void SmModel::writeFormulaRtf(OStringBuffer& rBuffer, rtl_TextEncoding nEncoding)
+{
+    static_cast<SmDocShell*>(GetObjectShell())->writeFormulaRtf(rBuffer, nEncoding);
+}
+
+void SmModel::readFormulaOoxml( oox::formulaimport::XmlStream& stream )
+{
+    static_cast< SmDocShell* >( GetObjectShell())->readFormulaOoxml( stream );
+}
+
+Size SmModel::getFormulaSize() const
+{
+    return o3tl::convert(static_cast< SmDocShell* >( GetObjectShell())->GetSize(), SmO3tlLengthUnit(), o3tl::Length::mm100);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/utility.cxx b/starmath/source/utility.cxx
new file mode 100644
index 0000000000..4a9225f6b3
--- /dev/null
+++ b/starmath/source/utility.cxx
@@ -0,0 +1,245 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <strings.hrc>
+#include <smmod.hxx>
+#include <utility.hxx>
+#include <dialog.hxx>
+#include <view.hxx>
+
+#include <comphelper/lok.hxx>
+#include <sfx2/lokcomponenthelpers.hxx>
+
+// return pointer to active SmViewShell, if this is not possible
+// return 0 instead.
+//!! Since this method is based on the current focus it is somewhat
+//!! unreliable and may return unexpected 0 pointers!
+SmViewShell * SmGetActiveView()
+{
+    SfxViewShell *pView = SfxViewShell::Current();
+    SmViewShell* pSmView = dynamic_cast<SmViewShell*>(pView);
+    if (!pSmView && comphelper::LibreOfficeKit::isActive())
+    {
+        auto* pWindow = static_cast<SmGraphicWindow*>(LokStarMathHelper(pView).GetGraphicWindow());
+        if (pWindow)
+            pSmView = &pWindow->GetGraphicWidget().GetView();
+    }
+    return pSmView;
+}
+
+
+/**************************************************************************/
+
+void SmFontPickList::Clear()
+{
+    aFontVec.clear();
+}
+
+SmFontPickList& SmFontPickList::operator = (const SmFontPickList& rList)
+{
+    Clear();
+    nMaxItems = rList.nMaxItems;
+    aFontVec = rList.aFontVec;
+
+    return *this;
+}
+
+vcl::Font SmFontPickList::Get(sal_uInt16 nPos) const
+{
+    return nPos < aFontVec.size() ? aFontVec[nPos] : vcl::Font();
+}
+
+namespace {
+
+bool lcl_CompareItem(const vcl::Font & rFirstFont, const vcl::Font & rSecondFont)
+{
+  return rFirstFont.GetFamilyName() == rSecondFont.GetFamilyName() &&
+         rFirstFont.GetFamilyType() == rSecondFont.GetFamilyType() &&
+         rFirstFont.GetCharSet()    == rSecondFont.GetCharSet()    &&
+         rFirstFont.GetWeight()     == rSecondFont.GetWeight()     &&
+         rFirstFont.GetItalic()     == rSecondFont.GetItalic();
+}
+
+OUString lcl_GetStringItem(const vcl::Font &rFont)
+{
+    OUStringBuffer aString(rFont.GetFamilyName());
+
+    if (IsItalic( rFont ))
+    {
+        aString.append(", " + SmResId(RID_FONTITALIC));
+    }
+    if (IsBold( rFont ))
+    {
+        aString.append(", " + SmResId(RID_FONTBOLD));
+    }
+
+    return aString.makeStringAndClear();
+}
+
+}
+
+void SmFontPickList::Insert(const vcl::Font &rFont)
+{
+    for (size_t nPos = 0; nPos < aFontVec.size(); nPos++)
+        if (lcl_CompareItem( aFontVec[nPos], rFont))
+        {
+            aFontVec.erase( aFontVec.begin() + nPos );
+            break;
+        }
+
+    aFontVec.push_front( rFont );
+
+    if (aFontVec.size() > nMaxItems)
+    {
+        aFontVec.pop_back();
+    }
+}
+
+void SmFontPickList::ReadFrom(const SmFontDialog& rDialog)
+{
+    Insert(rDialog.GetFont());
+}
+
+void SmFontPickList::WriteTo(SmFontDialog& rDialog) const
+{
+    rDialog.SetFont(Get());
+}
+
+
+/**************************************************************************/
+
+SmFontPickListBox::SmFontPickListBox(std::unique_ptr<weld::ComboBox> pWidget)
+    : SmFontPickList(4)
+    , m_xWidget(std::move(pWidget))
+{
+    m_xWidget->connect_changed(LINK(this, SmFontPickListBox, SelectHdl));
+}
+
+IMPL_LINK_NOARG(SmFontPickListBox, SelectHdl, weld::ComboBox&, void)
+{
+    const int nPos = m_xWidget->get_active();
+    if (nPos != 0)
+    {
+        SmFontPickList::Insert(Get(nPos));
+        OUString aString = m_xWidget->get_text(nPos);
+        m_xWidget->remove(nPos);
+        m_xWidget->insert_text(0, aString);
+    }
+
+    m_xWidget->set_active(0);
+}
+
+SmFontPickListBox& SmFontPickListBox::operator=(const SmFontPickList& rList)
+{
+    *static_cast<SmFontPickList *>(this) = rList;
+
+    for (decltype(aFontVec)::size_type nPos = 0; nPos < aFontVec.size(); nPos++)
+        m_xWidget->insert_text(nPos, lcl_GetStringItem(aFontVec[nPos]));
+
+    if (!aFontVec.empty())
+        m_xWidget->set_active_text(lcl_GetStringItem(aFontVec.front()));
+
+    return *this;
+}
+
+void SmFontPickListBox::Insert(const vcl::Font &rFont)
+{
+    SmFontPickList::Insert(rFont);
+
+    OUString aEntry(lcl_GetStringItem(aFontVec.front()));
+    int nPos = m_xWidget->find_text(aEntry);
+    if (nPos != -1)
+        m_xWidget->remove(nPos);
+    m_xWidget->insert_text(0, aEntry);
+    m_xWidget->set_active(0);
+
+    while (m_xWidget->get_count() > nMaxItems)
+        m_xWidget->remove(m_xWidget->get_count() - 1);
+}
+
+bool IsItalic( const vcl::Font &rFont )
+{
+    FontItalic eItalic = rFont.GetItalic();
+    // the code below leaves only _NONE and _DONTKNOW as not italic
+    return eItalic == ITALIC_OBLIQUE  ||  eItalic == ITALIC_NORMAL;
+}
+
+
+bool IsBold( const vcl::Font &rFont )
+{
+    FontWeight eWeight = rFont.GetWeight();
+    return eWeight > WEIGHT_NORMAL;
+}
+
+
+void SmFace::Impl_Init()
+{
+    SetSize( GetFontSize() );
+    SetTransparent( true );
+    SetAlignment( ALIGN_BASELINE );
+    SetColor( COL_AUTO );
+}
+
+void SmFace::SetSize(const Size& rSize)
+{
+    Size  aSize (rSize);
+
+    // check the requested size against minimum value
+    const int nMinVal = o3tl::convert(2, o3tl::Length::pt, SmO3tlLengthUnit());
+
+    if (aSize.Height() < nMinVal)
+        aSize.setHeight( nMinVal );
+
+    //! we don't force a maximum value here because this may prevent eg the
+    //! parentheses in "left ( ... right )" from matching up with large
+    //! bodies (eg stack{...} with many entries).
+    //! Of course this is holds only if characters are used and not polygons.
+
+    Font::SetFontSize(aSize);
+}
+
+
+tools::Long SmFace::GetBorderWidth() const
+{
+    if (nBorderWidth < 0)
+        return GetDefaultBorderWidth();
+    else
+        return nBorderWidth;
+}
+
+SmFace & SmFace::operator = (const SmFace &rFace)
+{
+    Font::operator = (rFace);
+    nBorderWidth = -1;
+    return *this;
+}
+
+
+SmFace & operator *= (SmFace &rFace, const Fraction &rFrac)
+    // scales the width and height of 'rFace' by 'rFrac' and returns a
+    // reference to 'rFace'.
+    // It's main use is to make scaling fonts look easier.
+{   const Size &rFaceSize = rFace.GetFontSize();
+
+    rFace.SetSize(Size(tools::Long(rFaceSize.Width() * rFrac),
+                       tools::Long(rFaceSize.Height() * rFrac)));
+    return rFace;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/view.cxx b/starmath/source/view.cxx
new file mode 100644
index 0000000000..8f88b5ced6
--- /dev/null
+++ b/starmath/source/view.cxx
@@ -0,0 +1,2239 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <com/sun/star/accessibility/AccessibleEventId.hpp>
+#include <com/sun/star/accessibility/AccessibleStateType.hpp>
+#include <com/sun/star/frame/Desktop.hpp>
+#include <com/sun/star/frame/XFramesSupplier.hpp>
+#include <com/sun/star/frame/XModel.hpp>
+#include <com/sun/star/container/XChild.hpp>
+
+#include <comphelper/lok.hxx>
+#include <comphelper/processfactory.hxx>
+#include <comphelper/servicehelper.hxx>
+#include <comphelper/storagehelper.hxx>
+#include <comphelper/string.hxx>
+#include <i18nutil/unicode.hxx>
+#include <LibreOfficeKit/LibreOfficeKitEnums.h>
+#include <officecfg/Office/Common.hxx>
+#include <sfx2/dispatch.hxx>
+#include <sfx2/docfile.hxx>
+#include <sfx2/docfilt.hxx>
+#include <sfx2/docinsert.hxx>
+#include <sfx2/filedlghelper.hxx>
+#include <sfx2/infobar.hxx>
+#include <sfx2/lokcomponenthelpers.hxx>
+#include <sfx2/lokhelper.hxx>
+#include <sfx2/msg.hxx>
+#include <sfx2/objface.hxx>
+#include <sfx2/printer.hxx>
+#include <sfx2/request.hxx>
+#include <sfx2/sfxbasecontroller.hxx>
+#include <sfx2/sidebar/Sidebar.hxx>
+#include <sfx2/sidebar/SidebarChildWindow.hxx>
+#include <sfx2/sidebar/SidebarController.hxx>
+#include <sfx2/viewfac.hxx>
+#include <svl/eitem.hxx>
+#include <svl/itemset.hxx>
+#include <svl/poolitem.hxx>
+#include <svl/stritem.hxx>
+#include <svl/voiditem.hxx>
+#include <vcl/transfer.hxx>
+#include <svtools/colorcfg.hxx>
+#include <svl/whiter.hxx>
+#include <svx/sidebar/SelectionChangeHandler.hxx>
+#include <svx/zoomslideritem.hxx>
+#include <editeng/editeng.hxx>
+#include <editeng/editview.hxx>
+#include <editeng/editund2.hxx>
+#include <svx/svxdlg.hxx>
+#include <sfx2/zoomitem.hxx>
+#include <vcl/commandevent.hxx>
+#include <vcl/event.hxx>
+#include <vcl/help.hxx>
+#include <vcl/settings.hxx>
+#include <vcl/virdev.hxx>
+#include <sal/log.hxx>
+#include <tools/svborder.hxx>
+#include <o3tl/string_view.hxx>
+#include <o3tl/temporary.hxx>
+
+#include <unotools/streamwrap.hxx>
+
+#include <unomodel.hxx>
+#include <view.hxx>
+#include <cfgitem.hxx>
+#include <dialog.hxx>
+#include <document.hxx>
+#include <starmath.hrc>
+#include <strings.hrc>
+#include <smmod.hxx>
+#include <mathmlimport.hxx>
+#include <cursor.hxx>
+#include "accessibility.hxx"
+#include <ElementsDockingWindow.hxx>
+#include <helpids.h>
+
+// space around the edit window, in pixels
+// fdo#69111: Increased border on the top so that the window is
+// easier to tear off.
+#define CMD_BOX_PADDING 3
+#define CMD_BOX_PADDING_TOP 11
+
+#define ShellClass_SmViewShell
+#include <smslots.hxx>
+
+using namespace css;
+using namespace css::accessibility;
+using namespace css::uno;
+
+SmGraphicWindow::SmGraphicWindow(SmViewShell& rShell)
+    : InterimItemWindow(&rShell.GetViewFrame().GetWindow(), "modules/smath/ui/mathwindow.ui", "MathWindow")
+    , nLinePixH(GetSettings().GetStyleSettings().GetScrollBarSize())
+    , nColumnPixW(nLinePixH)
+    , nZoom(100)
+    // continue to use user-scrolling to make this work equivalent to how it 'always' worked
+    , mxScrolledWindow(m_xBuilder->weld_scrolled_window("scrolledwindow", true))
+    , mxGraphic(new SmGraphicWidget(rShell, *this))
+    , mxGraphicWin(new weld::CustomWeld(*m_xBuilder, "mathview", *mxGraphic))
+{
+    InitControlBase(mxGraphic->GetDrawingArea());
+
+    mxScrolledWindow->connect_hadjustment_changed(LINK(this, SmGraphicWindow, ScrollHdl));
+    mxScrolledWindow->connect_vadjustment_changed(LINK(this, SmGraphicWindow, ScrollHdl));
+
+    // docking windows are usually hidden (often already done in the
+    // resource) and will be shown by the sfx framework.
+    Hide();
+}
+
+void SmGraphicWindow::dispose()
+{
+    InitControlBase(nullptr);
+    mxGraphicWin.reset();
+    mxGraphic.reset();
+    mxScrolledWindow.reset();
+    InterimItemWindow::dispose();
+}
+
+SmGraphicWindow::~SmGraphicWindow()
+{
+    disposeOnce();
+}
+
+void SmGraphicWindow::Resize()
+{
+    InterimItemWindow::Resize();
+
+    // get the new output-size in pixel
+    Size aOutPixSz = GetOutputSizePixel();
+
+    // determine the size of the output-area and if we need scrollbars
+    const auto nScrSize = mxScrolledWindow->get_scroll_thickness();
+    bool bVVisible = false; // by default no vertical-ScrollBar
+    bool bHVisible = false; // by default no horizontal-ScrollBar
+    bool bChanged;          // determines if a visibility was changed
+    do
+    {
+        bChanged = false;
+
+        // does we need a vertical ScrollBar
+        if ( aOutPixSz.Width() < aTotPixSz.Width() && !bHVisible )
+        {
+            bHVisible = true;
+            aOutPixSz.AdjustHeight( -nScrSize );
+            bChanged = true;
+        }
+
+        // does we need a horizontal ScrollBar
+        if ( aOutPixSz.Height() < aTotPixSz.Height() && !bVVisible )
+        {
+            bVVisible = true;
+            aOutPixSz.AdjustWidth( -nScrSize );
+            bChanged = true;
+        }
+
+    }
+    while ( bChanged );   // until no visibility has changed
+
+    // store the old offset and map-mode
+    MapMode aMap(GetGraphicMapMode());
+    Point aOldPixOffset(aPixOffset);
+
+    // justify (right/bottom borders should never exceed the virtual window)
+    Size aPixDelta;
+    if ( aPixOffset.X() < 0 &&
+         aPixOffset.X() + aTotPixSz.Width() < aOutPixSz.Width() )
+        aPixDelta.setWidth(
+            aOutPixSz.Width() - ( aPixOffset.X() + aTotPixSz.Width() ) );
+    if ( aPixOffset.Y() < 0 &&
+         aPixOffset.Y() + aTotPixSz.Height() < aOutPixSz.Height() )
+        aPixDelta.setHeight(
+            aOutPixSz.Height() - ( aPixOffset.Y() + aTotPixSz.Height() ) );
+    if ( aPixDelta.Width() || aPixDelta.Height() )
+    {
+        aPixOffset.AdjustX(aPixDelta.Width() );
+        aPixOffset.AdjustY(aPixDelta.Height() );
+    }
+
+    // for axis without scrollbar restore the origin
+    if ( !bVVisible || !bHVisible )
+    {
+        aPixOffset = Point(
+                     bHVisible
+                     ? aPixOffset.X()
+                     : (aOutPixSz.Width()-aTotPixSz.Width()) / 2,
+                     bVVisible
+                     ? aPixOffset.Y()
+                     : (aOutPixSz.Height()-aTotPixSz.Height()) / 2 );
+    }
+    if (bHVisible && mxScrolledWindow->get_hpolicy() == VclPolicyType::NEVER)
+        aPixOffset.setX( 0 );
+    if (bVVisible && mxScrolledWindow->get_vpolicy() == VclPolicyType::NEVER)
+        aPixOffset.setY( 0 );
+
+    // select the shifted map-mode
+    if (aPixOffset != aOldPixOffset)
+        SetGraphicMapMode(aMap);
+
+    // show or hide scrollbars
+    mxScrolledWindow->set_vpolicy(bVVisible ? VclPolicyType::ALWAYS : VclPolicyType::NEVER);
+    mxScrolledWindow->set_hpolicy(bHVisible ? VclPolicyType::ALWAYS : VclPolicyType::NEVER);
+
+    // resize scrollbars and set their ranges
+    if ( bHVisible )
+    {
+        mxScrolledWindow->hadjustment_configure(-aPixOffset.X(), 0, aTotPixSz.Width(), nColumnPixW,
+                                                aOutPixSz.Width(), aOutPixSz.Width());
+    }
+    if ( bVVisible )
+    {
+        mxScrolledWindow->vadjustment_configure(-aPixOffset.Y(), 0, aTotPixSz.Height(), nLinePixH,
+                                                aOutPixSz.Height(), aOutPixSz.Height());
+    }
+}
+
+IMPL_LINK_NOARG(SmGraphicWindow, ScrollHdl, weld::ScrolledWindow&, void)
+{
+    MapMode aMap(GetGraphicMapMode());
+    Point aNewPixOffset(aPixOffset);
+
+    // scrolling horizontally?
+    if (mxScrolledWindow->get_hpolicy() == VclPolicyType::ALWAYS)
+        aNewPixOffset.setX(-mxScrolledWindow->hadjustment_get_value());
+
+    // scrolling vertically?
+    if (mxScrolledWindow->get_vpolicy() == VclPolicyType::ALWAYS)
+        aNewPixOffset.setY(-mxScrolledWindow->vadjustment_get_value());
+
+    // scrolling?
+    if (aPixOffset == aNewPixOffset)
+        return;
+
+    // recompute the logical scroll units
+    aPixOffset = aNewPixOffset;
+
+    SetGraphicMapMode(aMap);
+}
+
+void SmGraphicWindow::SetGraphicMapMode(const MapMode& rNewMapMode)
+{
+    OutputDevice& rDevice = mxGraphic->GetOutputDevice();
+    MapMode aMap( rNewMapMode );
+    aMap.SetOrigin( aMap.GetOrigin() + rDevice.PixelToLogic( aPixOffset, aMap ) );
+    rDevice.SetMapMode( aMap );
+    mxGraphic->Invalidate();
+}
+
+MapMode SmGraphicWindow::GetGraphicMapMode() const
+{
+    OutputDevice& rDevice = mxGraphic->GetOutputDevice();
+    MapMode aMap(rDevice.GetMapMode());
+    aMap.SetOrigin( aMap.GetOrigin() - rDevice.PixelToLogic( aPixOffset ) );
+    return aMap;
+}
+
+void SmGraphicWindow::SetTotalSize( const Size& rNewSize )
+{
+    aTotPixSz = mxGraphic->GetOutputDevice().LogicToPixel(rNewSize);
+    Resize();
+}
+
+Size SmGraphicWindow::GetTotalSize() const
+{
+    return mxGraphic->GetOutputDevice().PixelToLogic(aTotPixSz);
+}
+
+void SmGraphicWindow::ShowContextMenu(const CommandEvent& rCEvt)
+{
+    GetParent()->ToTop();
+    Point aPos(5, 5);
+    if (rCEvt.IsMouseEvent())
+        aPos = rCEvt.GetMousePosPixel();
+
+    // added for replaceability of context menus
+    SfxDispatcher::ExecutePopup( this, &aPos );
+}
+
+SmGraphicWidget::SmGraphicWidget(SmViewShell& rShell, SmGraphicWindow& rGraphicWindow)
+    : mrGraphicWindow(rGraphicWindow)
+    , bIsCursorVisible(false)
+    , bIsLineVisible(false)
+    , aCaretBlinkTimer("SmGraphicWidget aCaretBlinkTimer")
+    , mrViewShell(rShell)
+{
+}
+
+void SmGraphicWidget::SetDrawingArea(weld::DrawingArea* pDrawingArea)
+{
+    weld::CustomWidgetController::SetDrawingArea(pDrawingArea);
+
+    OutputDevice& rDevice = GetOutputDevice();
+
+    rDevice.EnableRTL(GetDoc()->GetFormat().IsRightToLeft());
+    rDevice.SetBackground(SM_MOD()->GetColorConfig().GetColorValue(svtools::DOCCOLOR).nColor);
+
+    if (comphelper::LibreOfficeKit::isActive())
+    {
+        // Disable map mode, so that it's possible to send mouse event coordinates
+        // directly in twips.
+        rDevice.EnableMapMode(false);
+    }
+    else
+    {
+        const Fraction aFraction(1, 1);
+        rDevice.SetMapMode(MapMode(SmMapUnit(), Point(), aFraction, aFraction));
+    }
+
+    SetTotalSize();
+
+    SetHelpId(HID_SMA_WIN_DOCUMENT);
+
+    ShowLine(false);
+    CaretBlinkInit();
+}
+
+SmGraphicWidget::~SmGraphicWidget()
+{
+    if (mxAccessible.is())
+        mxAccessible->ClearWin();    // make Accessible nonfunctional
+    mxAccessible.clear();
+    CaretBlinkStop();
+}
+
+SmDocShell* SmGraphicWidget::GetDoc() { return GetView().GetDoc(); }
+
+SmCursor& SmGraphicWidget::GetCursor()
+{
+    assert(GetDoc());
+    return GetDoc()->GetCursor();
+}
+
+bool SmGraphicWidget::MouseButtonDown(const MouseEvent& rMEvt)
+{
+    GrabFocus();
+
+    // set formula-cursor and selection of edit window according to the
+    // position clicked at
+
+    SAL_WARN_IF( rMEvt.GetClicks() == 0, "starmath", "0 clicks" );
+    if ( !rMEvt.IsLeft() )
+        return true;
+
+    OutputDevice& rDevice = GetOutputDevice();
+    // get click position relative to formula
+    Point aPos(rDevice.PixelToLogic(rMEvt.GetPosPixel()) - GetFormulaDrawPos());
+
+    const SmNode *pTree = GetDoc()->GetFormulaTree();
+    if (!pTree)
+        return true;
+
+    SmEditWindow* pEdit = GetView().GetEditWindow();
+
+    if (SmViewShell::IsInlineEditEnabled()) {
+        GetCursor().MoveTo(&rDevice, aPos, !rMEvt.IsShift());
+        GetView().InvalidateSlots();
+        // 'on grab' window events are missing in lok, do it explicitly
+        if (comphelper::LibreOfficeKit::isActive())
+            SetIsCursorVisible(true);
+        return true;
+    }
+    const SmNode *pNode = nullptr;
+    // if it was clicked inside the formula then get the appropriate node
+    if (pTree->OrientedDist(aPos) <= 0)
+        pNode = pTree->FindRectClosestTo(aPos);
+
+    if (!pNode)
+        return true;
+
+    if (!pEdit)
+        return true;
+
+    // set selection to the beginning of the token
+    pEdit->SetSelection(pNode->GetSelection());
+    SetCursor(pNode);
+
+    // allow for immediate editing and
+    //! implicitly synchronize the cursor position mark in this window
+    pEdit->GrabFocus();
+
+    return true;
+}
+
+bool SmGraphicWidget::MouseMove(const MouseEvent &rMEvt)
+{
+    if (rMEvt.IsLeft() && SmViewShell::IsInlineEditEnabled())
+    {
+        OutputDevice& rDevice = GetOutputDevice();
+        Point aPos(rDevice.PixelToLogic(rMEvt.GetPosPixel()) - GetFormulaDrawPos());
+        GetCursor().MoveTo(&rDevice, aPos, false);
+
+        CaretBlinkStop();
+        SetIsCursorVisible(true);
+        CaretBlinkStart();
+        RepaintViewShellDoc();
+    }
+    return true;
+}
+
+void SmGraphicWidget::GetFocus()
+{
+    if (!SmViewShell::IsInlineEditEnabled())
+        return;
+    if (SmEditWindow* pEdit = GetView().GetEditWindow())
+        pEdit->Flush();
+    SetIsCursorVisible(true);
+    ShowLine(true);
+    CaretBlinkStart();
+    RepaintViewShellDoc();
+}
+
+void SmGraphicWidget::LoseFocus()
+{
+    if (mxAccessible.is())
+    {
+        uno::Any aOldValue, aNewValue;
+        aOldValue <<= AccessibleStateType::FOCUSED;
+        // aNewValue remains empty
+        mxAccessible->LaunchEvent( AccessibleEventId::STATE_CHANGED,
+                aOldValue, aNewValue );
+    }
+    if (!SmViewShell::IsInlineEditEnabled())
+        return;
+    SetIsCursorVisible(false);
+    ShowLine(false);
+    CaretBlinkStop();
+    RepaintViewShellDoc();
+}
+
+void SmGraphicWidget::RepaintViewShellDoc()
+{
+    if (SmDocShell* pDoc = GetDoc())
+        pDoc->Repaint();
+}
+
+IMPL_LINK_NOARG(SmGraphicWidget, CaretBlinkTimerHdl, Timer *, void)
+{
+    if (IsCursorVisible())
+        SetIsCursorVisible(false);
+    else
+        SetIsCursorVisible(true);
+
+    RepaintViewShellDoc();
+}
+
+void SmGraphicWidget::CaretBlinkInit()
+{
+    if (comphelper::LibreOfficeKit::isActive())
+        return; // No blinking in lok case
+    aCaretBlinkTimer.SetInvokeHandler(LINK(this, SmGraphicWidget, CaretBlinkTimerHdl));
+    aCaretBlinkTimer.SetTimeout(Application::GetSettings().GetStyleSettings().GetCursorBlinkTime());
+}
+
+void SmGraphicWidget::CaretBlinkStart()
+{
+    if (!SmViewShell::IsInlineEditEnabled() || comphelper::LibreOfficeKit::isActive())
+        return;
+    if (aCaretBlinkTimer.GetTimeout() != STYLE_CURSOR_NOBLINKTIME)
+        aCaretBlinkTimer.Start();
+}
+
+void SmGraphicWidget::CaretBlinkStop()
+{
+    if (!SmViewShell::IsInlineEditEnabled() || comphelper::LibreOfficeKit::isActive())
+        return;
+    aCaretBlinkTimer.Stop();
+}
+
+// shows or hides the formula-cursor depending on 'bShow' is true or not
+void SmGraphicWidget::ShowCursor(bool bShow)
+{
+    if (SmViewShell::IsInlineEditEnabled())
+        return;
+
+    bool bInvert = bShow != IsCursorVisible();
+    if (bInvert)
+        InvertFocusRect(GetOutputDevice(), aCursorRect);
+
+    SetIsCursorVisible(bShow);
+}
+
+void SmGraphicWidget::ShowLine(bool bShow)
+{
+    if (!SmViewShell::IsInlineEditEnabled())
+        return;
+
+    bIsLineVisible = bShow;
+}
+
+void SmGraphicWidget::SetIsCursorVisible(bool bVis)
+{
+    bIsCursorVisible = bVis;
+    if (comphelper::LibreOfficeKit::isActive())
+    {
+        mrViewShell.SendCaretToLOK();
+        mrViewShell.libreOfficeKitViewCallback(LOK_CALLBACK_CURSOR_VISIBLE,
+                                               OString::boolean(bVis));
+    }
+}
+
+void SmGraphicWidget::SetCursor(const SmNode *pNode)
+{
+    if (SmViewShell::IsInlineEditEnabled())
+        return;
+
+    const SmNode *pTree = GetDoc()->GetFormulaTree();
+
+    // get appropriate rectangle
+    Point aOffset (pNode->GetTopLeft() - pTree->GetTopLeft()),
+          aTLPos  (GetFormulaDrawPos() + aOffset);
+    aTLPos.AdjustX( -(pNode->GetItalicLeftSpace()) );
+    Size  aSize   (pNode->GetItalicSize());
+
+    SetCursor(tools::Rectangle(aTLPos, aSize));
+}
+
+void SmGraphicWidget::SetCursor(const tools::Rectangle &rRect)
+    // sets cursor to new position (rectangle) 'rRect'.
+    // The old cursor will be removed, and the new one will be shown if
+    // that is activated in the ConfigItem
+{
+    if (SmViewShell::IsInlineEditEnabled())
+        return;
+
+    SmModule *pp = SM_MOD();
+
+    if (IsCursorVisible())
+        ShowCursor(false);      // clean up remainings of old cursor
+    aCursorRect = rRect;
+    if (pp->GetConfig()->IsShowFormulaCursor())
+        ShowCursor(true);       // draw new cursor
+}
+
+const SmNode * SmGraphicWidget::SetCursorPos(sal_uInt16 nRow, sal_uInt16 nCol)
+    // looks for a VISIBLE node in the formula tree with its token at
+    // (or around) the position 'nRow', 'nCol' in the edit window
+    // (row and column numbering starts with 1 there!).
+    // If there is such a node the formula-cursor is set to cover that nodes
+    // rectangle. If not the formula-cursor will be hidden.
+    // In any case the search result is being returned.
+{
+    if (SmViewShell::IsInlineEditEnabled())
+        return nullptr;
+
+    // find visible node with token at nRow, nCol
+    const SmNode *pTree = GetDoc()->GetFormulaTree(),
+                 *pNode = nullptr;
+    if (pTree)
+        pNode = pTree->FindTokenAt(nRow, nCol);
+
+    if (pNode)
+        SetCursor(pNode);
+    else
+        ShowCursor(false);
+
+    return pNode;
+}
+
+void SmGraphicWidget::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&)
+{
+    assert(GetDoc());
+    SmDocShell& rDoc = *GetDoc();
+    Point aPoint;
+
+    rDoc.DrawFormula(rRenderContext, aPoint, true);  //! modifies aPoint to be the topleft
+                                                     //! corner of the formula
+    aFormulaDrawPos = aPoint;
+    if (SmViewShell::IsInlineEditEnabled())
+    {
+        //Draw cursor if any...
+        if (rDoc.HasCursor() && IsLineVisible())
+            rDoc.GetCursor().Draw(rRenderContext, aPoint, IsCursorVisible());
+    }
+    else
+    {
+        SetIsCursorVisible(false);  // (old) cursor must be drawn again
+
+        if (const SmEditWindow* pEdit = GetView().GetEditWindow())
+        {   // get new position for formula-cursor (for possible altered formula)
+            sal_Int32  nRow;
+            sal_uInt16 nCol;
+            SmGetLeftSelectionPart(pEdit->GetSelection(), nRow, nCol);
+            const SmNode *pFound = SetCursorPos(static_cast<sal_uInt16>(nRow), nCol);
+
+            SmModule *pp = SM_MOD();
+            if (pFound && pp->GetConfig()->IsShowFormulaCursor())
+                ShowCursor(true);
+        }
+    }
+}
+
+void SmGraphicWidget::SetTotalSize()
+{
+    assert(GetDoc());
+    OutputDevice& rDevice = GetOutputDevice();
+    const Size aTmp(rDevice.PixelToLogic(rDevice.LogicToPixel(GetDoc()->GetSize())));
+    if (aTmp != mrGraphicWindow.GetTotalSize())
+        mrGraphicWindow.SetTotalSize(aTmp);
+}
+
+namespace
+{
+SmBracketType BracketTypeOf(sal_uInt32 c)
+{
+    switch (c)
+    {
+        case '(':
+        case ')':
+            return SmBracketType::Round;
+        case '[':
+        case ']':
+            return SmBracketType::Square;
+        case '{':
+        case '}':
+            return SmBracketType::Curly;
+    }
+    assert(false); // Unreachable
+    return SmBracketType::Round;
+}
+
+bool CharInput(sal_uInt32 c, SmCursor& rCursor, OutputDevice& rDevice)
+{
+    switch (c)
+    {
+        case 0:
+            return false;
+        case ' ':
+            rCursor.InsertElement(BlankElement);
+            break;
+        case '!':
+            rCursor.InsertElement(FactorialElement);
+            break;
+        case '%':
+            rCursor.InsertElement(PercentElement);
+            break;
+        case '*':
+            rCursor.InsertElement(CDotElement);
+            break;
+        case '+':
+            rCursor.InsertElement(PlusElement);
+            break;
+        case '-':
+            rCursor.InsertElement(MinusElement);
+            break;
+        case '<':
+            rCursor.InsertElement(LessThanElement);
+            break;
+        case '=':
+            rCursor.InsertElement(EqualElement);
+            break;
+        case '>':
+            rCursor.InsertElement(GreaterThanElement);
+            break;
+        case '^':
+            rCursor.InsertSubSup(RSUP);
+            break;
+        case '_':
+            rCursor.InsertSubSup(RSUB);
+            break;
+        case '/':
+            rCursor.InsertFraction();
+            break;
+        case '(':
+        case '[':
+        case '{':
+            rCursor.InsertBrackets(BracketTypeOf(c));
+            break;
+        case ')':
+        case ']':
+        case '}':
+            if (rCursor.IsAtTailOfBracket(BracketTypeOf(c)))
+            {
+                rCursor.Move(&rDevice, MoveRight);
+                break;
+            }
+            [[fallthrough]];
+        default:
+            rCursor.InsertText(OUString(&c, 1));
+            break;
+    }
+    return true;
+}
+}
+
+bool SmGraphicWidget::KeyInput(const KeyEvent& rKEvt)
+{
+    if (rKEvt.GetKeyCode().GetCode() == KEY_F1)
+    {
+        GetView().StartMainHelp();
+        return true;
+    }
+
+    if (rKEvt.GetKeyCode().GetCode() == KEY_ESCAPE)
+    {
+        // Terminate possible InPlace mode
+        return GetView().Escape();
+    }
+
+    if (!SmViewShell::IsInlineEditEnabled())
+        return GetView().KeyInput(rKEvt);
+
+    bool bConsumed = true;
+
+    SmCursor& rCursor = GetCursor();
+    switch (rKEvt.GetKeyCode().GetFunction())
+    {
+    case KeyFuncType::COPY:
+        rCursor.Copy(&mrGraphicWindow);
+        break;
+    case KeyFuncType::CUT:
+        rCursor.Cut(&mrGraphicWindow);
+        break;
+    case KeyFuncType::PASTE:
+        rCursor.Paste(&mrGraphicWindow);
+        break;
+    case KeyFuncType::UNDO:
+        GetDoc()->Execute(o3tl::temporary(SfxRequest(*GetView().GetFrame(), SID_UNDO)));
+        break;
+    case KeyFuncType::REDO:
+        GetDoc()->Execute(o3tl::temporary(SfxRequest(*GetView().GetFrame(), SID_REDO)));
+        break;
+    default:
+        switch (rKEvt.GetKeyCode().GetCode())
+        {
+            case KEY_LEFT:
+                rCursor.Move(&GetOutputDevice(), MoveLeft, !rKEvt.GetKeyCode().IsShift());
+                break;
+            case KEY_RIGHT:
+                rCursor.Move(&GetOutputDevice(), MoveRight, !rKEvt.GetKeyCode().IsShift());
+                break;
+            case KEY_UP:
+                rCursor.Move(&GetOutputDevice(), MoveUp, !rKEvt.GetKeyCode().IsShift());
+                break;
+            case KEY_DOWN:
+                rCursor.Move(&GetOutputDevice(), MoveDown, !rKEvt.GetKeyCode().IsShift());
+                break;
+            case KEY_RETURN:
+                if (!rKEvt.GetKeyCode().IsShift())
+                    rCursor.InsertRow();
+                break;
+            case KEY_DELETE:
+                if (!rCursor.HasSelection())
+                {
+                    rCursor.Move(&GetOutputDevice(), MoveRight, false);
+                    if (rCursor.HasComplexSelection())
+                        break;
+                }
+                rCursor.Delete();
+                break;
+            case KEY_BACKSPACE:
+                rCursor.DeletePrev(&GetOutputDevice());
+                break;
+            default:
+                if (!CharInput(rKEvt.GetCharCode(), rCursor, GetOutputDevice()))
+                    bConsumed = GetView().KeyInput(rKEvt);
+        }
+    }
+
+    GetView().InvalidateSlots();
+    CaretBlinkStop();
+    CaretBlinkStart();
+    SetIsCursorVisible(true);
+    RepaintViewShellDoc();
+
+    return bConsumed;
+}
+
+bool SmGraphicWidget::Command(const CommandEvent& rCEvt)
+{
+    bool bCallBase = true;
+    if (!GetView().GetViewFrame().GetFrame().IsInPlace())
+    {
+        switch ( rCEvt.GetCommand() )
+        {
+            case CommandEventId::ContextMenu:
+                // purely for "ExecutePopup" taking a vcl::Window and
+                // we assume SmGraphicWindow 0,0 is at SmEditWindow 0,0
+                mrGraphicWindow.ShowContextMenu(rCEvt);
+                bCallBase = false;
+            break;
+
+            case CommandEventId::Wheel:
+            {
+                const CommandWheelData* pWData = rCEvt.GetWheelData();
+                if  ( pWData && CommandWheelMode::ZOOM == pWData->GetMode() )
+                {
+                    sal_uInt16 nTmpZoom = mrGraphicWindow.GetZoom();
+                    if( 0 > pWData->GetDelta() )
+                        nTmpZoom -= 10;
+                    else
+                        nTmpZoom += 10;
+                    mrGraphicWindow.SetZoom(nTmpZoom);
+                    bCallBase = false;
+                }
+                break;
+            }
+            case CommandEventId::GestureZoom:
+            {
+                const CommandGestureZoomData* pData = rCEvt.GetGestureZoomData();
+                if (pData)
+                {
+                    if (pData->meEventType == GestureEventZoomType::Begin)
+                    {
+                        mfLastZoomScale = pData->mfScaleDelta;
+                    }
+                    else if (pData->meEventType == GestureEventZoomType::Update)
+                    {
+                        double deltaBetweenEvents = (pData->mfScaleDelta - mfLastZoomScale) / mfLastZoomScale;
+                        mfLastZoomScale = pData->mfScaleDelta;
+
+                        // Accumulate fractional zoom to avoid small zoom changes from being ignored
+                        mfAccumulatedZoom += deltaBetweenEvents;
+                        int nZoomChangePercent = mfAccumulatedZoom * 100;
+                        mfAccumulatedZoom -= nZoomChangePercent / 100.0;
+
+                        sal_uInt16 nZoom = mrGraphicWindow.GetZoom();
+                        nZoom += nZoomChangePercent;
+                        mrGraphicWindow.SetZoom(nZoom);
+                    }
+                    bCallBase = false;
+                }
+                break;
+            }
+
+            default: break;
+        }
+    }
+
+    switch (rCEvt.GetCommand())
+    {
+        case CommandEventId::ExtTextInput:
+            if (SmViewShell::IsInlineEditEnabled())
+            {
+                const CommandExtTextInputData* pData = rCEvt.GetExtTextInputData();
+                assert(pData);
+                const OUString& rText = pData->GetText();
+                SmCursor& rCursor = GetCursor();
+                OutputDevice& rDevice = GetOutputDevice();
+                for (sal_Int32 i = 0; i < rText.getLength();)
+                    CharInput(rText.iterateCodePoints(&i), rCursor, rDevice);
+                bCallBase = false;
+            }
+            break;
+        default:
+            break;
+    }
+    return !bCallBase;
+}
+
+void SmGraphicWindow::SetZoom(sal_uInt16 Factor)
+{
+    if (comphelper::LibreOfficeKit::isActive())
+        return;
+    nZoom = std::clamp(Factor, MINZOOM, MAXZOOM);
+    Fraction aFraction(nZoom, 100);
+    SetGraphicMapMode(MapMode(SmMapUnit(), Point(), aFraction, aFraction));
+    mxGraphic->SetTotalSize();
+    SmViewShell& rViewSh = mxGraphic->GetView();
+    rViewSh.GetViewFrame().GetBindings().Invalidate(SID_ATTR_ZOOM);
+    rViewSh.GetViewFrame().GetBindings().Invalidate(SID_ATTR_ZOOMSLIDER);
+}
+
+void SmGraphicWindow::ZoomToFitInWindow()
+{
+    // set defined mapmode before calling 'LogicToPixel' below
+    SetGraphicMapMode(MapMode(SmMapUnit()));
+
+    assert(mxGraphic->GetDoc());
+    Size aSize(mxGraphic->GetOutputDevice().LogicToPixel(mxGraphic->GetDoc()->GetSize()));
+    Size aWindowSize(GetSizePixel());
+
+    if (!aSize.IsEmpty())
+    {
+        tools::Long nVal = std::min ((85 * aWindowSize.Width())  / aSize.Width(),
+                      (85 * aWindowSize.Height()) / aSize.Height());
+        SetZoom ( sal::static_int_cast< sal_uInt16 >(nVal) );
+    }
+}
+
+uno::Reference< XAccessible > SmGraphicWidget::CreateAccessible()
+{
+    if (!mxAccessible.is())
+    {
+        mxAccessible = new SmGraphicAccessible( this );
+    }
+    return mxAccessible;
+}
+
+/**************************************************************************/
+SmGraphicController::SmGraphicController(SmGraphicWidget &rSmGraphic,
+                        sal_uInt16          nId_,
+                        SfxBindings     &rBindings) :
+    SfxControllerItem(nId_, rBindings),
+    rGraphic(rSmGraphic)
+{
+}
+
+void SmGraphicController::StateChangedAtToolBoxControl(sal_uInt16 nSID, SfxItemState eState, const SfxPoolItem* pState)
+{
+    rGraphic.SetTotalSize();
+    rGraphic.Invalidate();
+    SfxControllerItem::StateChangedAtToolBoxControl (nSID, eState, pState);
+}
+
+/**************************************************************************/
+SmEditController::SmEditController(SmEditWindow &rSmEdit,
+                     sal_uInt16       nId_,
+                     SfxBindings  &rBindings) :
+    SfxControllerItem(nId_, rBindings),
+    rEdit(rSmEdit)
+{
+}
+
+void SmEditController::StateChangedAtToolBoxControl(sal_uInt16 nSID, SfxItemState eState, const SfxPoolItem* pState)
+{
+    const SfxStringItem *pItem =  dynamic_cast<const SfxStringItem*>( pState);
+
+    if ((pItem != nullptr) && (rEdit.GetText() != pItem->GetValue()))
+        rEdit.SetText(pItem->GetValue());
+    SfxControllerItem::StateChangedAtToolBoxControl (nSID, eState, pState);
+}
+
+/**************************************************************************/
+SmCmdBoxWindow::SmCmdBoxWindow(SfxBindings *pBindings_, SfxChildWindow *pChildWindow,
+                               vcl::Window *pParent)
+    : SfxDockingWindow(pBindings_, pChildWindow, pParent, "EditWindow", "modules/smath/ui/editwindow.ui")
+    , m_xEdit(new SmEditWindow(*this, *m_xBuilder))
+    , aController(*m_xEdit, SID_TEXT, *pBindings_)
+    , bExiting(false)
+    , aInitialFocusTimer("SmCmdBoxWindow aInitialFocusTimer")
+{
+    set_id("math_edit");
+
+    SetHelpId( HID_SMA_COMMAND_WIN );
+    SetSizePixel(LogicToPixel(Size(292 , 94), MapMode(MapUnit::MapAppFont)));
+    SetText(SmResId(STR_CMDBOXWINDOW));
+
+    Hide();
+
+    // Don't try to grab focus in inline edit mode
+    if (!SmViewShell::IsInlineEditEnabled())
+    {
+        aInitialFocusTimer.SetInvokeHandler(LINK(this, SmCmdBoxWindow, InitialFocusTimerHdl));
+        aInitialFocusTimer.SetTimeout(100);
+    }
+}
+
+Point SmCmdBoxWindow::WidgetToWindowPos(const weld::Widget& rWidget, const Point& rPos)
+{
+    Point aRet(rPos);
+    int x(0), y(0), width(0), height(0);
+    rWidget.get_extents_relative_to(*m_xContainer, x, y, width, height);
+    aRet.Move(x, y);
+    aRet.Move(m_xBox->GetPosPixel().X(), m_xBox->GetPosPixel().Y());
+    return aRet;
+}
+
+void SmCmdBoxWindow::ShowContextMenu(const Point& rPos)
+{
+    ToTop();
+    SmViewShell *pViewSh = GetView();
+    if (pViewSh)
+        pViewSh->GetViewFrame().GetDispatcher()->ExecutePopup("edit", this, &rPos);
+}
+
+void SmCmdBoxWindow::Command(const CommandEvent& rCEvt)
+{
+    if (rCEvt.GetCommand() == CommandEventId::ContextMenu)
+    {
+        ShowContextMenu(rCEvt.GetMousePosPixel());
+        return;
+    }
+
+    SfxDockingWindow::Command(rCEvt);
+}
+
+SmCmdBoxWindow::~SmCmdBoxWindow ()
+{
+    disposeOnce();
+}
+
+void SmCmdBoxWindow::dispose()
+{
+    aInitialFocusTimer.Stop();
+    bExiting = true;
+    aController.dispose();
+    m_xEdit.reset();
+    SfxDockingWindow::dispose();
+}
+
+SmViewShell * SmCmdBoxWindow::GetView()
+{
+    SfxDispatcher *pDispatcher = GetBindings().GetDispatcher();
+    SfxViewShell *pView = pDispatcher ? pDispatcher->GetFrame()->GetViewShell() : nullptr;
+    return  dynamic_cast<SmViewShell*>( pView);
+}
+
+Size SmCmdBoxWindow::CalcDockingSize(SfxChildAlignment eAlign)
+{
+    switch (eAlign)
+    {
+        case SfxChildAlignment::LEFT:
+        case SfxChildAlignment::RIGHT:
+            return Size();
+        default:
+            break;
+    }
+    return SfxDockingWindow::CalcDockingSize(eAlign);
+}
+
+SfxChildAlignment SmCmdBoxWindow::CheckAlignment(SfxChildAlignment eActual,
+                                             SfxChildAlignment eWish)
+{
+    switch (eWish)
+    {
+        case SfxChildAlignment::TOP:
+        case SfxChildAlignment::BOTTOM:
+        case SfxChildAlignment::NOALIGNMENT:
+            return eWish;
+        default:
+            break;
+    }
+
+    return eActual;
+}
+
+void SmCmdBoxWindow::StateChanged( StateChangedType nStateChange )
+{
+    if (StateChangedType::InitShow == nStateChange)
+    {
+        Resize();   // avoid SmEditWindow not being painted correctly
+
+        // set initial position of window in floating mode
+        if (IsFloatingMode())
+            AdjustPosition();   //! don't change pos in docking-mode !
+
+        aInitialFocusTimer.Start();
+    }
+
+    SfxDockingWindow::StateChanged( nStateChange );
+}
+
+IMPL_LINK_NOARG( SmCmdBoxWindow, InitialFocusTimerHdl, Timer *, void )
+{
+    // We want to have the focus in the edit window once Math has been opened
+    // to allow for immediate typing.
+    // Problem: There is no proper way to do this
+    // Thus: this timer based solution has been implemented (see GrabFocus below)
+
+    // Follow-up problem (#i114910): grabbing the focus may bust the help system since
+    // it relies on getting the current frame which conflicts with grabbing the focus.
+    // Thus aside from the 'GrabFocus' call everything else is to get the
+    // help reliably working despite using 'GrabFocus'.
+
+    try
+    {
+        uno::Reference< frame::XDesktop2 > xDesktop = frame::Desktop::create( comphelper::getProcessComponentContext() );
+
+        m_xEdit->GrabFocus();
+
+        SmViewShell* pView = GetView();
+        assert(pView);
+        bool bInPlace = pView->GetViewFrame().GetFrame().IsInPlace();
+        uno::Reference< frame::XFrame > xFrame( GetBindings().GetDispatcher()->GetFrame()->GetFrame().GetFrameInterface());
+        if ( bInPlace )
+        {
+            uno::Reference<container::XChild> xModel(pView->GetDoc()->GetModel(),
+                                                     uno::UNO_QUERY_THROW);
+            uno::Reference< frame::XModel > xParent( xModel->getParent(), uno::UNO_QUERY_THROW );
+            uno::Reference< frame::XController > xParentCtrler( xParent->getCurrentController() );
+            uno::Reference< frame::XFramesSupplier > xParentFrame( xParentCtrler->getFrame(), uno::UNO_QUERY_THROW );
+            xParentFrame->setActiveFrame( xFrame );
+        }
+        else
+        {
+            xDesktop->setActiveFrame( xFrame );
+        }
+    }
+    catch (uno::Exception &)
+    {
+        SAL_WARN( "starmath", "failed to properly set initial focus to edit window" );
+    }
+}
+
+void SmCmdBoxWindow::AdjustPosition()
+{
+    const tools::Rectangle aRect( Point(), GetParent()->GetOutputSizePixel() );
+    Point aTopLeft( Point( aRect.Left(),
+                           aRect.Bottom() - GetSizePixel().Height() ) );
+    Point aPos( GetParent()->OutputToScreenPixel( aTopLeft ) );
+    if (aPos.X() < 0)
+        aPos.setX( 0 );
+    if (aPos.Y() < 0)
+        aPos.setY( 0 );
+    SetPosPixel( aPos );
+}
+
+void SmCmdBoxWindow::ToggleFloatingMode()
+{
+    SfxDockingWindow::ToggleFloatingMode();
+
+    if (GetFloatingWindow())
+        GetFloatingWindow()->SetMinOutputSizePixel(Size (200, 50));
+}
+
+void SmCmdBoxWindow::GetFocus()
+{
+    if (!bExiting)
+        m_xEdit->GrabFocus();
+}
+
+SFX_IMPL_DOCKINGWINDOW_WITHID(SmCmdBoxWrapper, SID_CMDBOXWINDOW);
+
+SmCmdBoxWrapper::SmCmdBoxWrapper(vcl::Window *pParentWindow, sal_uInt16 nId,
+                                 SfxBindings *pBindings,
+                                 SfxChildWinInfo *pInfo) :
+    SfxChildWindow(pParentWindow, nId)
+{
+    VclPtrInstance<SmCmdBoxWindow> pDialog(pBindings, this, pParentWindow);
+    SetWindow(pDialog);
+    // make window docked to the bottom initially (after first start)
+    SetAlignment(SfxChildAlignment::BOTTOM);
+    pDialog->setDeferredProperties();
+    pDialog->set_border_width(CMD_BOX_PADDING);
+    pDialog->set_margin_top(CMD_BOX_PADDING_TOP);
+    pDialog->Initialize(pInfo);
+}
+
+SFX_IMPL_SUPERCLASS_INTERFACE(SmViewShell, SfxViewShell)
+
+void SmViewShell::InitInterface_Impl()
+{
+    GetStaticInterface()->RegisterObjectBar(SFX_OBJECTBAR_TOOLS,
+                                            SfxVisibilityFlags::Standard | SfxVisibilityFlags::FullScreen | SfxVisibilityFlags::Server,
+                                            ToolbarId::Math_Toolbox);
+    //Dummy-Objectbar, to avoid quiver while activating
+
+    GetStaticInterface()->RegisterChildWindow(SmCmdBoxWrapper::GetChildWindowId());
+    GetStaticInterface()->RegisterChildWindow(SfxInfoBarContainerChild::GetChildWindowId());
+
+    GetStaticInterface()->RegisterChildWindow(::sfx2::sidebar::SidebarChildWindow::GetChildWindowId());
+}
+
+SFX_IMPL_NAMED_VIEWFACTORY(SmViewShell, "Default")
+{
+    SFX_VIEW_REGISTRATION(SmDocShell);
+}
+
+void SmViewShell::InnerResizePixel(const Point &rOfs, const Size &rSize, bool)
+{
+    Size aObjSize = GetObjectShell()->GetVisArea().GetSize();
+    if ( !aObjSize.IsEmpty() )
+    {
+        Size aProvidedSize = GetWindow()->PixelToLogic(rSize, MapMode(SmMapUnit()));
+        Fraction aZoomX(aProvidedSize.Width(), aObjSize.Width());
+        Fraction aZoomY(aProvidedSize.Height(), aObjSize.Height());
+        MapMode aMap(mxGraphicWindow->GetGraphicMapMode());
+        aMap.SetScaleX(aZoomX);
+        aMap.SetScaleY(aZoomY);
+        mxGraphicWindow->SetGraphicMapMode(aMap);
+    }
+
+    SetBorderPixel( SvBorder() );
+    mxGraphicWindow->SetPosSizePixel(rOfs, rSize);
+    GetGraphicWidget().SetTotalSize();
+}
+
+void SmViewShell::OuterResizePixel(const Point &rOfs, const Size &rSize)
+{
+    mxGraphicWindow->SetPosSizePixel(rOfs, rSize);
+    if (GetDoc()->IsPreview())
+        mxGraphicWindow->ZoomToFitInWindow();
+}
+
+void SmViewShell::QueryObjAreaPixel( tools::Rectangle& rRect ) const
+{
+    rRect.SetSize(mxGraphicWindow->GetSizePixel());
+}
+
+void SmViewShell::SetZoomFactor( const Fraction &rX, const Fraction &rY )
+{
+    const Fraction &rFrac = std::min(rX, rY);
+    mxGraphicWindow->SetZoom(sal::static_int_cast<sal_uInt16>(tools::Long(rFrac * Fraction( 100, 1 ))));
+
+    //To avoid rounding errors base class regulates crooked values too
+    //if necessary
+    SfxViewShell::SetZoomFactor( rX, rY );
+}
+
+SfxPrinter* SmViewShell::GetPrinter(bool bCreate)
+{
+    SmDocShell* pDoc = GetDoc();
+    if (pDoc->HasPrinter() || bCreate)
+        return pDoc->GetPrinter();
+    return nullptr;
+}
+
+sal_uInt16 SmViewShell::SetPrinter(SfxPrinter *pNewPrinter, SfxPrinterChangeFlags nDiffFlags )
+{
+    SfxPrinter *pOld = GetDoc()->GetPrinter();
+    if ( pOld && pOld->IsPrinting() )
+        return SFX_PRINTERROR_BUSY;
+
+    if ((nDiffFlags & SfxPrinterChangeFlags::PRINTER) == SfxPrinterChangeFlags::PRINTER)
+        GetDoc()->SetPrinter( pNewPrinter );
+
+    if ((nDiffFlags & SfxPrinterChangeFlags::OPTIONS) == SfxPrinterChangeFlags::OPTIONS)
+    {
+        SmModule *pp = SM_MOD();
+        pp->GetConfig()->ItemSetToConfig(pNewPrinter->GetOptions());
+    }
+    return 0;
+}
+
+bool SmViewShell::HasPrintOptionsPage() const
+{
+    return true;
+}
+
+std::unique_ptr<SfxTabPage> SmViewShell::CreatePrintOptionsPage(weld::Container* pPage, weld::DialogController* pController,
+                                                       const SfxItemSet &rOptions)
+{
+    return SmPrintOptionsTabPage::Create(pPage, pController, rOptions);
+}
+
+SmEditWindow *SmViewShell::GetEditWindow()
+{
+    SmCmdBoxWrapper* pWrapper = static_cast<SmCmdBoxWrapper*>(
+                                    GetViewFrame().GetChildWindow(SmCmdBoxWrapper::GetChildWindowId()));
+
+    if (pWrapper != nullptr)
+    {
+        SmEditWindow& rEditWin = pWrapper->GetEditWindow();
+        return &rEditWin;
+    }
+
+    return nullptr;
+}
+
+void SmViewShell::SetStatusText(const OUString& rText)
+{
+    maStatusText = rText;
+    GetViewFrame().GetBindings().Invalidate(SID_TEXTSTATUS);
+}
+
+void SmViewShell::ShowError(const SmErrorDesc* pErrorDesc)
+{
+    assert(GetDoc());
+    if (pErrorDesc || nullptr != (pErrorDesc = GetDoc()->GetParser()->GetError()) )
+    {
+        SetStatusText( pErrorDesc->m_aText );
+        if (SmEditWindow* pEdit = GetEditWindow())
+            pEdit->MarkError( Point( pErrorDesc->m_pNode->GetColumn(),
+                                               pErrorDesc->m_pNode->GetRow()));
+    }
+}
+
+void SmViewShell::NextError()
+{
+    assert(GetDoc());
+    const SmErrorDesc   *pErrorDesc = GetDoc()->GetParser()->NextError();
+
+    if (pErrorDesc)
+        ShowError( pErrorDesc );
+}
+
+void SmViewShell::PrevError()
+{
+    assert(GetDoc());
+    const SmErrorDesc   *pErrorDesc = GetDoc()->GetParser()->PrevError();
+
+    if (pErrorDesc)
+        ShowError( pErrorDesc );
+}
+
+void SmViewShell::Insert( SfxMedium& rMedium )
+{
+    SmDocShell *pDoc = GetDoc();
+    bool bRet = false;
+
+    uno::Reference <embed::XStorage> xStorage = rMedium.GetStorage();
+    if (xStorage.is() && xStorage->getElementNames().hasElements())
+    {
+        if (xStorage->hasByName("content.xml"))
+        {
+            // is this a fabulous math package ?
+            rtl::Reference<SmModel> xModel(dynamic_cast<SmModel*>(pDoc->GetModel().get()));
+            SmXMLImportWrapper aEquation(xModel);    //!! modifies the result of pDoc->GetText() !!
+            bRet = ERRCODE_NONE == aEquation.Import(rMedium);
+        }
+    }
+
+    if (!bRet)
+        return;
+
+    OUString aText = pDoc->GetText();
+    if (SmEditWindow *pEditWin = GetEditWindow())
+        pEditWin->InsertText( aText );
+    else
+    {
+        SAL_WARN( "starmath", "EditWindow missing" );
+    }
+
+    pDoc->Parse();
+    pDoc->SetModified();
+
+    SfxBindings &rBnd = GetViewFrame().GetBindings();
+    rBnd.Invalidate(SID_GRAPHIC_SM);
+    rBnd.Invalidate(SID_TEXT);
+}
+
+void SmViewShell::InsertFrom(SfxMedium &rMedium)
+{
+    bool bSuccess = false;
+    SmDocShell* pDoc = GetDoc();
+    SvStream* pStream = rMedium.GetInStream();
+
+    if (pStream)
+    {
+        const OUString& rFltName = rMedium.GetFilter()->GetFilterName();
+        if ( rFltName == MATHML_XML )
+        {
+            rtl::Reference<SmModel> xModel(dynamic_cast<SmModel*>(pDoc->GetModel().get()));
+            SmXMLImportWrapper aEquation(xModel);    //!! modifies the result of pDoc->GetText() !!
+            bSuccess = ERRCODE_NONE == aEquation.Import(rMedium);
+        }
+    }
+
+    if (!bSuccess)
+        return;
+
+    OUString aText = pDoc->GetText();
+    if (SmEditWindow *pEditWin = GetEditWindow())
+        pEditWin->InsertText(aText);
+    else
+        SAL_WARN( "starmath", "EditWindow missing" );
+
+    pDoc->Parse();
+    pDoc->SetModified();
+
+    SfxBindings& rBnd = GetViewFrame().GetBindings();
+    rBnd.Invalidate(SID_GRAPHIC_SM);
+    rBnd.Invalidate(SID_TEXT);
+}
+
+void SmViewShell::Execute(SfxRequest& rReq)
+{
+    SmEditWindow *pWin = GetEditWindow();
+
+    switch (rReq.GetSlot())
+    {
+        case SID_FORMULACURSOR:
+        {
+            SmModule *pp = SM_MOD();
+
+            const SfxItemSet  *pArgs = rReq.GetArgs();
+            const SfxPoolItem *pItem;
+
+            bool  bVal;
+            if ( pArgs &&
+                 SfxItemState::SET == pArgs->GetItemState( SID_FORMULACURSOR, false, &pItem))
+                bVal = static_cast<const SfxBoolItem *>(pItem)->GetValue();
+            else
+                bVal = !pp->GetConfig()->IsShowFormulaCursor();
+
+            pp->GetConfig()->SetShowFormulaCursor(bVal);
+            if (!IsInlineEditEnabled())
+                GetGraphicWidget().ShowCursor(bVal);
+            break;
+        }
+        case SID_DRAW:
+            if (pWin)
+            {
+                GetDoc()->SetText( pWin->GetText() );
+                SetStatusText(OUString());
+                ShowError( nullptr );
+                GetDoc()->Repaint();
+            }
+            break;
+
+        case SID_ZOOM_OPTIMAL:
+            mxGraphicWindow->ZoomToFitInWindow();
+            break;
+
+        case SID_ZOOMIN:
+            mxGraphicWindow->SetZoom(mxGraphicWindow->GetZoom() + 25);
+            break;
+
+        case SID_ZOOMOUT:
+            SAL_WARN_IF( mxGraphicWindow->GetZoom() < 25, "starmath", "incorrect sal_uInt16 argument" );
+            mxGraphicWindow->SetZoom(mxGraphicWindow->GetZoom() - 25);
+            break;
+
+        case SID_COPYOBJECT:
+        {
+            //TODO/LATER: does not work because of UNO Tunneling - will be fixed later
+            Reference< datatransfer::XTransferable > xTrans( GetDoc()->GetModel(), uno::UNO_QUERY );
+            if( xTrans.is() )
+            {
+                auto pTrans = dynamic_cast<TransferableHelper*>(xTrans.get());
+                if (pTrans)
+                {
+                    if (pWin)
+                        pTrans->CopyToClipboard(pWin->GetClipboard());
+                }
+            }
+        }
+        break;
+
+        case SID_PASTEOBJECT:
+        {
+            uno::Reference < io::XInputStream > xStrm;
+            if (pWin)
+            {
+                TransferableDataHelper aData(TransferableDataHelper::CreateFromClipboard(pWin->GetClipboard()));
+                SotClipboardFormatId nId;
+                if( aData.GetTransferable().is() &&
+                    ( aData.HasFormat( nId = SotClipboardFormatId::EMBEDDED_OBJ ) ||
+                      (aData.HasFormat( SotClipboardFormatId::OBJECTDESCRIPTOR ) &&
+                       aData.HasFormat( nId = SotClipboardFormatId::EMBED_SOURCE ))))
+                    xStrm = aData.GetInputStream(nId, OUString());
+            }
+
+            if (xStrm.is())
+            {
+                try
+                {
+                    uno::Reference < embed::XStorage > xStorage =
+                            ::comphelper::OStorageHelper::GetStorageFromInputStream( xStrm, ::comphelper::getProcessComponentContext() );
+                    SfxMedium aMedium( xStorage, OUString() );
+                    Insert( aMedium );
+                    GetDoc()->UpdateText();
+                }
+                catch (uno::Exception &)
+                {
+                    SAL_WARN( "starmath", "SmViewShell::Execute (SID_PASTEOBJECT): failed to get storage from input stream" );
+                }
+            }
+        }
+        break;
+
+
+        case SID_CUT:
+            if (IsInlineEditEnabled())
+            {
+                GetDoc()->GetCursor().Cut(&GetGraphicWindow());
+                GetGraphicWidget().GrabFocus();
+            }
+            else if (pWin)
+                pWin->Cut();
+            break;
+
+        case SID_COPY:
+            if (IsInlineEditEnabled())
+            {
+                GetDoc()->GetCursor().Copy(&GetGraphicWindow());
+                GetGraphicWidget().GrabFocus();
+            }
+            else if (pWin)
+            {
+                if (pWin->IsAllSelected())
+                {
+                    GetViewFrame().GetDispatcher()->ExecuteList(
+                                SID_COPYOBJECT, SfxCallMode::RECORD,
+                                { new SfxVoidItem(SID_COPYOBJECT) });
+                }
+                else
+                    pWin->Copy();
+            }
+            break;
+
+        case SID_PASTE:
+            {
+                if (IsInlineEditEnabled())
+                {
+                    GetDoc()->GetCursor().Paste(&GetGraphicWindow());
+                    GetGraphicWidget().GrabFocus();
+                    break;
+                }
+
+                bool bCallExec = nullptr == pWin;
+                if( !bCallExec )
+                {
+                    if (pWin)
+                    {
+                        TransferableDataHelper aDataHelper(
+                            TransferableDataHelper::CreateFromClipboard(
+                                                        pWin->GetClipboard()));
+
+                        if( aDataHelper.GetTransferable().is() &&
+                            aDataHelper.HasFormat( SotClipboardFormatId::STRING ))
+                            pWin->Paste();
+                        else
+                            bCallExec = true;
+                    }
+                }
+                if( bCallExec )
+                {
+                    GetViewFrame().GetDispatcher()->ExecuteList(
+                            SID_PASTEOBJECT, SfxCallMode::RECORD,
+                            { new SfxVoidItem(SID_PASTEOBJECT) });
+                }
+            }
+            break;
+
+        case SID_DELETE:
+            if (IsInlineEditEnabled())
+            {
+                if (!GetDoc()->GetCursor().HasSelection())
+                {
+                    GetDoc()->GetCursor().Move(&GetGraphicWindow().GetGraphicWidget().GetOutputDevice(), MoveRight, false);
+                    if (!GetDoc()->GetCursor().HasComplexSelection())
+                        GetDoc()->GetCursor().Delete();
+                }
+                else
+                    GetDoc()->GetCursor().Delete();
+                GetGraphicWidget().GrabFocus();
+            }
+            else if (pWin)
+                pWin->Delete();
+            break;
+
+        case SID_SELECT:
+            if (pWin)
+                pWin->SelectAll();
+            break;
+
+        case SID_INSERTCOMMANDTEXT:
+        {
+            const SfxStringItem& rItem = rReq.GetArgs()->Get(SID_INSERTCOMMANDTEXT);
+
+            if (IsInlineEditEnabled())
+            {
+                GetDoc()->GetCursor().InsertCommandText(rItem.GetValue());
+                GetGraphicWidget().GrabFocus();
+            }
+            else if (pWin)
+            {
+                pWin->InsertText(rItem.GetValue());
+            }
+            break;
+
+        }
+
+        case SID_INSERTSPECIAL:
+        {
+            const SfxStringItem& rItem = rReq.GetArgs()->Get(SID_INSERTSPECIAL);
+
+            if (IsInlineEditEnabled())
+                GetDoc()->GetCursor().InsertSpecial(rItem.GetValue());
+            else if (pWin)
+                pWin->InsertText(rItem.GetValue());
+            break;
+        }
+
+        case SID_IMPORT_FORMULA:
+        {
+            mpRequest.reset(new SfxRequest( rReq ));
+            mpDocInserter.reset(new ::sfx2::DocumentInserter(pWin ? pWin->GetFrameWeld() : nullptr,
+                              GetDoc()->GetFactory().GetFactoryName()));
+            mpDocInserter->StartExecuteModal( LINK( this, SmViewShell, DialogClosedHdl ) );
+            break;
+        }
+
+        case SID_IMPORT_MATHML_CLIPBOARD:
+        {
+            if (pWin)
+            {
+                TransferableDataHelper aDataHelper(TransferableDataHelper::CreateFromClipboard(pWin->GetClipboard()));
+                uno::Reference < io::XInputStream > xStrm;
+                if  ( aDataHelper.GetTransferable().is() )
+                {
+                    SotClipboardFormatId nId = SotClipboardFormatId::MATHML;
+                    if (aDataHelper.HasFormat(nId))
+                    {
+                        xStrm = aDataHelper.GetInputStream(nId, "");
+                        if (xStrm.is())
+                        {
+                            SfxMedium aClipboardMedium;
+                            aClipboardMedium.GetItemSet(); //generate initial itemset, not sure if necessary
+                            std::shared_ptr<const SfxFilter> pMathFilter =
+                                SfxFilter::GetFilterByName(MATHML_XML);
+                            aClipboardMedium.SetFilter(pMathFilter);
+                            aClipboardMedium.setStreamToLoadFrom(xStrm, true /*bIsReadOnly*/);
+                            InsertFrom(aClipboardMedium);
+                            GetDoc()->UpdateText();
+                        }
+                    }
+                    else
+                    {
+                        nId = SotClipboardFormatId::STRING;
+                        if (aDataHelper.HasFormat(nId))
+                        {
+                            // In case of FORMAT_STRING no stream exists, need to generate one
+                            OUString aString;
+                            if (aDataHelper.GetString( nId, aString))
+                            {
+                                // tdf#117091 force xml declaration to exist
+                                if (!aString.startsWith("<?xml"))
+                                    aString = "<?xml version=\"1.0\"?>\n" + aString;
+
+                                SfxMedium aClipboardMedium;
+                                aClipboardMedium.GetItemSet(); //generates initial itemset, not sure if necessary
+                                std::shared_ptr<const SfxFilter> pMathFilter =
+                                    SfxFilter::GetFilterByName(MATHML_XML);
+                                aClipboardMedium.SetFilter(pMathFilter);
+
+                                SvMemoryStream aStrm( const_cast<sal_Unicode *>(aString.getStr()), aString.getLength() * sizeof(sal_Unicode), StreamMode::READ);
+                                uno::Reference<io::XInputStream> xStrm2( new ::utl::OInputStreamWrapper(aStrm) );
+                                aClipboardMedium.setStreamToLoadFrom(xStrm2, true /*bIsReadOnly*/);
+                                InsertFrom(aClipboardMedium);
+                                GetDoc()->UpdateText();
+                            }
+                        }
+                    }
+                }
+            }
+            break;
+        }
+
+        case SID_NEXTERR:
+            NextError();
+            if (pWin)
+                pWin->GrabFocus();
+            break;
+
+        case SID_PREVERR:
+            PrevError();
+            if (pWin)
+                pWin->GrabFocus();
+            break;
+
+        case SID_NEXTMARK:
+            if (pWin)
+            {
+                pWin->SelNextMark();
+                pWin->GrabFocus();
+            }
+            break;
+
+        case SID_PREVMARK:
+            if (pWin)
+            {
+                pWin->SelPrevMark();
+                pWin->GrabFocus();
+            }
+            break;
+
+        case SID_TEXTSTATUS:
+        {
+            if (rReq.GetArgs() != nullptr)
+            {
+                const SfxStringItem& rItem = rReq.GetArgs()->Get(SID_TEXTSTATUS);
+
+                SetStatusText(rItem.GetValue());
+            }
+
+            break;
+        }
+
+        case SID_GETEDITTEXT:
+            if (pWin && !pWin->GetText().isEmpty())
+                GetDoc()->SetText( pWin->GetText() );
+            break;
+
+        case SID_ATTR_ZOOM:
+        {
+            if ( !GetViewFrame().GetFrame().IsInPlace() )
+            {
+                const SfxItemSet *pSet = rReq.GetArgs();
+                if ( pSet )
+                {
+                    ZoomByItemSet(pSet);
+                }
+                else
+                {
+                    SfxItemSetFixed<SID_ATTR_ZOOM, SID_ATTR_ZOOM> aSet( SmDocShell::GetPool() );
+                    aSet.Put( SvxZoomItem( SvxZoomType::PERCENT, mxGraphicWindow->GetZoom()));
+                    SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
+                    ScopedVclPtr<AbstractSvxZoomDialog> xDlg(pFact->CreateSvxZoomDialog(GetViewFrame().GetWindow().GetFrameWeld(), aSet));
+                    xDlg->SetLimits( MINZOOM, MAXZOOM );
+                    if (xDlg->Execute() != RET_CANCEL)
+                        ZoomByItemSet(xDlg->GetOutputItemSet());
+                }
+            }
+        }
+        break;
+
+        case SID_ATTR_ZOOMSLIDER:
+        {
+            const SfxItemSet *pArgs = rReq.GetArgs();
+            const SfxPoolItem* pItem;
+
+            if ( pArgs && SfxItemState::SET == pArgs->GetItemState(SID_ATTR_ZOOMSLIDER, true, &pItem ) )
+            {
+                const sal_uInt16 nCurrentZoom = static_cast<const SvxZoomSliderItem *>(pItem)->GetValue();
+                mxGraphicWindow->SetZoom(nCurrentZoom);
+            }
+        }
+        break;
+
+        case SID_ELEMENTSDOCKINGWINDOW:
+        {
+            // First make sure that the sidebar is visible
+            GetViewFrame().ShowChildWindow(SID_SIDEBAR);
+
+            sfx2::sidebar::Sidebar::TogglePanel(u"MathElementsPanel",
+                                                GetViewFrame().GetFrame().GetFrameInterface());
+            GetViewFrame().GetBindings().Invalidate( SID_ELEMENTSDOCKINGWINDOW );
+
+            rReq.Ignore ();
+        }
+        break;
+
+        case SID_CMDBOXWINDOW:
+        {
+            GetViewFrame().ToggleChildWindow(SID_CMDBOXWINDOW);
+            GetViewFrame().GetBindings().Invalidate(SID_CMDBOXWINDOW);
+        }
+        break;
+
+        case SID_UNICODE_NOTATION_TOGGLE:
+        {
+            EditEngine* pEditEngine = nullptr;
+            if( pWin )
+                pEditEngine = pWin->GetEditEngine();
+
+            EditView* pEditView = nullptr;
+            if( pEditEngine )
+                pEditView = pEditEngine->GetView();
+
+            if( pEditView )
+            {
+                const OUString sInput = pEditView->GetSurroundingText();
+                ESelection aSel(  pWin->GetSelection() );
+
+                if ( aSel.nStartPos > aSel.nEndPos )
+                    aSel.nEndPos = aSel.nStartPos;
+
+                //calculate a valid end-position by reading logical characters
+                sal_Int32 nUtf16Pos=0;
+                while( (nUtf16Pos < sInput.getLength()) && (nUtf16Pos < aSel.nEndPos) )
+                {
+                    sInput.iterateCodePoints(&nUtf16Pos);
+                    if( nUtf16Pos > aSel.nEndPos )
+                        aSel.nEndPos = nUtf16Pos;
+                }
+
+                ToggleUnicodeCodepoint aToggle;
+                while( nUtf16Pos && aToggle.AllowMoreInput( sInput[nUtf16Pos-1]) )
+                    --nUtf16Pos;
+                const OUString sReplacement = aToggle.ReplacementString();
+                if( !sReplacement.isEmpty() )
+                {
+                    pEditView->SetSelection( aSel );
+                    pEditEngine->UndoActionStart(EDITUNDO_REPLACEALL);
+                    aSel.nStartPos = aSel.nEndPos - aToggle.StringToReplace().getLength();
+                    pWin->SetSelection( aSel );
+                    pEditView->InsertText( sReplacement, true );
+                    pEditEngine->UndoActionEnd();
+                    pWin->Flush();
+                }
+            }
+        }
+        break;
+
+        case SID_SYMBOLS_CATALOGUE:
+        {
+
+            // get device used to retrieve the FontList
+            SmDocShell *pDoc = GetDoc();
+            OutputDevice *pDev = pDoc->GetPrinter();
+            if (!pDev || pDev->GetFontFaceCollectionCount() == 0)
+                pDev = &SM_MOD()->GetDefaultVirtualDev();
+            SAL_WARN_IF( !pDev, "starmath", "device for font list missing" );
+
+            SmModule *pp = SM_MOD();
+            SmSymbolDialog aDialog(pWin ? pWin->GetFrameWeld() : nullptr, pDev, pp->GetSymbolManager(), *this);
+            aDialog.run();
+        }
+        break;
+
+        case SID_CHARMAP:
+        {
+            const SfxItemSet* pArgs = rReq.GetArgs();
+            const SfxStringItem* pItem = nullptr;
+            if (pArgs && SfxItemState::SET == pArgs->GetItemState(SID_CHARMAP, true, &pItem))
+            {
+                if (IsInlineEditEnabled())
+                    GetDoc()->GetCursor().InsertText(pItem->GetValue());
+                else if (pWin)
+                    pWin->InsertText(pItem->GetValue());
+                break;
+            }
+
+            SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
+            SfxAllItemSet aSet(GetViewFrame().GetObjectShell()->GetPool());
+            aSet.Put(SfxBoolItem(FN_PARAM_1, false));
+            aSet.Put(SfxStringItem(SID_FONT_NAME,
+                                   GetDoc()->GetFormat().GetFont(FNT_VARIABLE).GetFamilyName()));
+            ScopedVclPtr<SfxAbstractDialog> pDialog(
+                pFact->CreateCharMapDialog(pWin ? pWin->GetFrameWeld() : nullptr, aSet,
+                                           GetViewFrame().GetFrame().GetFrameInterface()));
+            pDialog->Execute();
+        }
+        break;
+
+        case SID_ATTR_PARA_LEFT_TO_RIGHT:
+        case SID_ATTR_PARA_RIGHT_TO_LEFT:
+        {
+            bool bRTL = rReq.GetSlot() == SID_ATTR_PARA_RIGHT_TO_LEFT;
+            GetDoc()->SetRightToLeft(bRTL);
+            GetGraphicWindow().GetGraphicWidget().GetOutputDevice().EnableRTL(bRTL);
+            GetViewFrame().GetBindings().Invalidate(bRTL ? SID_ATTR_PARA_LEFT_TO_RIGHT : SID_ATTR_PARA_RIGHT_TO_LEFT);
+        }
+        break;
+    }
+    rReq.Done();
+}
+
+
+void SmViewShell::GetState(SfxItemSet &rSet)
+{
+    SfxWhichIter aIter(rSet);
+
+    SmEditWindow *pEditWin = GetEditWindow();
+    for (sal_uInt16 nWh = aIter.FirstWhich(); nWh != 0; nWh = aIter.NextWhich())
+    {
+        switch (nWh)
+        {
+        case SID_CUT:
+        case SID_COPY:
+        case SID_DELETE:
+            if (IsInlineEditEnabled())
+            {
+                if (!GetDoc()->GetCursor().HasSelection())
+                    rSet.DisableItem(nWh);
+            }
+            else if (! pEditWin || ! pEditWin->IsSelected())
+                rSet.DisableItem(nWh);
+            break;
+
+        case SID_PASTE:
+            if (pEditWin)
+            {
+                TransferableDataHelper aDataHelper(
+                        TransferableDataHelper::CreateFromClipboard(
+                                                        pEditWin->GetClipboard()) );
+
+                mbPasteState = aDataHelper.GetTransferable().is() &&
+                 ( aDataHelper.HasFormat( SotClipboardFormatId::STRING ) ||
+                   aDataHelper.HasFormat( SotClipboardFormatId::EMBEDDED_OBJ ) ||
+                   (aDataHelper.HasFormat( SotClipboardFormatId::OBJECTDESCRIPTOR )
+                      && aDataHelper.HasFormat( SotClipboardFormatId::EMBED_SOURCE )));
+            }
+            if( !mbPasteState )
+                rSet.DisableItem( nWh );
+            break;
+
+        case SID_ATTR_ZOOM:
+            rSet.Put(SvxZoomItem( SvxZoomType::PERCENT, mxGraphicWindow->GetZoom()));
+            [[fallthrough]];
+        case SID_ZOOMIN:
+        case SID_ZOOMOUT:
+        case SID_ZOOM_OPTIMAL:
+            if ( GetViewFrame().GetFrame().IsInPlace() )
+                rSet.DisableItem( nWh );
+            break;
+
+        case SID_ATTR_ZOOMSLIDER :
+            {
+                const sal_uInt16 nCurrentZoom = mxGraphicWindow->GetZoom();
+                SvxZoomSliderItem aZoomSliderItem( nCurrentZoom, MINZOOM, MAXZOOM );
+                aZoomSliderItem.AddSnappingPoint( 100 );
+                rSet.Put( aZoomSliderItem );
+            }
+        break;
+
+        case SID_NEXTERR:
+        case SID_PREVERR:
+        case SID_NEXTMARK:
+        case SID_PREVMARK:
+        case SID_DRAW:
+        case SID_SELECT:
+            if (! pEditWin || pEditWin->IsEmpty())
+                rSet.DisableItem(nWh);
+            break;
+
+        case SID_TEXTSTATUS:
+            {
+                rSet.Put(SfxStringItem(nWh, maStatusText));
+            }
+            break;
+
+        case SID_FORMULACURSOR:
+            {
+                if (IsInlineEditEnabled())
+                    rSet.DisableItem(nWh);
+                else
+                    rSet.Put(SfxBoolItem(nWh, SM_MOD()->GetConfig()->IsShowFormulaCursor()));
+            }
+            break;
+        case SID_ELEMENTSDOCKINGWINDOW:
+            {
+                const bool bState = sfx2::sidebar::Sidebar::IsPanelVisible(
+                    u"MathElementsPanel", GetViewFrame().GetFrame().GetFrameInterface());
+                rSet.Put(SfxBoolItem(SID_ELEMENTSDOCKINGWINDOW, bState));
+            }
+            break;
+        case SID_CMDBOXWINDOW:
+            {
+                bool bState = false;
+                auto pCmdWin = GetViewFrame().GetChildWindow(SID_CMDBOXWINDOW);
+                if (pCmdWin)
+                    bState = pCmdWin->IsVisible();
+                rSet.Put(SfxBoolItem(SID_CMDBOXWINDOW, bState));
+            }
+            break;
+        case SID_ATTR_PARA_LEFT_TO_RIGHT:
+            rSet.Put(SfxBoolItem(nWh, !GetDoc()->GetFormat().IsRightToLeft()));
+            break;
+
+        case SID_ATTR_PARA_RIGHT_TO_LEFT:
+            rSet.Put(SfxBoolItem(nWh, GetDoc()->GetFormat().IsRightToLeft()));
+            break;
+        }
+    }
+}
+
+namespace
+{
+css::uno::Reference<css::ui::XSidebar>
+getSidebarFromModel(const css::uno::Reference<css::frame::XModel>& xModel)
+{
+    css::uno::Reference<css::container::XChild> xChild(xModel, css::uno::UNO_QUERY);
+    if (!xChild.is())
+        return nullptr;
+    css::uno::Reference<css::frame::XModel> xParent(xChild->getParent(), css::uno::UNO_QUERY);
+    if (!xParent.is())
+        return nullptr;
+    css::uno::Reference<css::frame::XController2> xController(xParent->getCurrentController(),
+                                                              css::uno::UNO_QUERY);
+    if (!xController.is())
+        return nullptr;
+    css::uno::Reference<css::ui::XSidebarProvider> xSidebarProvider = xController->getSidebar();
+    if (!xSidebarProvider.is())
+        return nullptr;
+    return xSidebarProvider->getSidebar();
+}
+class SmController : public SfxBaseController
+{
+public:
+    SmController(SfxViewShell& rViewShell)
+        : SfxBaseController(&rViewShell)
+        , mpSelectionChangeHandler(new svx::sidebar::SelectionChangeHandler(
+              GetContextName, this, vcl::EnumContext::Context::Math))
+    {
+        rViewShell.SetContextName(GetContextName());
+    }
+    // No need to call mpSelectionChangeHandler->Disconnect() unless SmController implements XSelectionSupplier
+    // ~SmController() { mpSelectionChangeHandler->Disconnect(); }
+
+    // css::frame::XController
+    void SAL_CALL attachFrame(const css::uno::Reference<css::frame::XFrame>& xFrame) override
+    {
+        SfxBaseController::attachFrame(xFrame);
+
+        if (comphelper::LibreOfficeKit::isActive())
+        {
+            CopyLokViewCallbackFromFrameCreator();
+            // In lok mode, DocumentHolder::ShowUI is not called on OLE in-place activation,
+            // because respective code is skipped in OCommonEmbeddedObject::SwitchStateTo_Impl,
+            // so sidebar controller does not get registered properly; do it here
+            if (auto xSidebar = getSidebarFromModel(getModel()))
+            {
+                auto pSidebar = dynamic_cast<sfx2::sidebar::SidebarController*>(xSidebar.get());
+                assert(pSidebar);
+                pSidebar->registerSidebarForFrame(this);
+                pSidebar->updateModel(getModel());
+            }
+        }
+
+        // No need to call mpSelectionChangeHandler->Connect() unless SmController implements XSelectionSupplier
+        mpSelectionChangeHandler->selectionChanged({}); // Installs the correct context
+    }
+
+    virtual void SAL_CALL dispose() override
+    {
+        if (comphelper::LibreOfficeKit::isActive())
+            if (auto pViewShell = GetViewShell_Impl())
+                pViewShell->libreOfficeKitViewCallback(LOK_CALLBACK_CURSOR_VISIBLE,
+                                                       OString::boolean(false));
+
+        SfxBaseController::dispose();
+    }
+
+private:
+    static OUString GetContextName() { return "Math"; } // Static constant for now
+
+    rtl::Reference<svx::sidebar::SelectionChangeHandler> mpSelectionChangeHandler;
+};
+}
+
+SmViewShell::SmViewShell(SfxViewFrame& rFrame_, SfxViewShell *)
+    : SfxViewShell(rFrame_, SfxViewShellFlags::HAS_PRINTOPTIONS)
+    , mxGraphicWindow(VclPtr<SmGraphicWindow>::Create(*this))
+    , maGraphicController(mxGraphicWindow->GetGraphicWidget(), SID_GRAPHIC_SM, rFrame_.GetBindings())
+    , mbPasteState(false)
+{
+    SetStatusText(OUString());
+    SetWindow(mxGraphicWindow.get());
+    SfxShell::SetName("SmView");
+    SfxShell::SetUndoManager( &GetDoc()->GetEditEngine().GetUndoManager() );
+    SetController(new SmController(*this));
+}
+
+SmViewShell::~SmViewShell()
+{
+    //!! this view shell is not active anymore !!
+    // Thus 'SmGetActiveView' will give a 0 pointer.
+    // Thus we need to supply this view as argument
+    if (SmEditWindow *pEditWin = GetEditWindow())
+        pEditWin->DeleteEditView();
+    mxGraphicWindow.disposeAndClear();
+}
+
+void SmViewShell::Deactivate( bool bIsMDIActivate )
+{
+    if (SmEditWindow *pEdit = GetEditWindow())
+        pEdit->Flush();
+
+    SfxViewShell::Deactivate( bIsMDIActivate );
+}
+
+void SmViewShell::Activate( bool bIsMDIActivate )
+{
+    SfxViewShell::Activate( bIsMDIActivate );
+
+    if (IsInlineEditEnabled())
+    {
+        // In LOK, activate in-place editing
+        GetGraphicWidget().GrabFocus();
+    }
+    else if (SmEditWindow *pEdit = GetEditWindow())
+    {
+        //! Since there is no way to be informed if a "drag and drop"
+        //! event has taken place, we call SetText here in order to
+        //! synchronize the GraphicWindow display with the text in the
+        //! EditEngine.
+        SmDocShell *pDoc = GetDoc();
+        pDoc->SetText( pDoc->GetEditEngine().GetText() );
+
+        if ( bIsMDIActivate )
+            pEdit->GrabFocus();
+    }
+}
+
+IMPL_LINK( SmViewShell, DialogClosedHdl, sfx2::FileDialogHelper*, _pFileDlg, void )
+{
+    assert(_pFileDlg && "SmViewShell::DialogClosedHdl(): no file dialog");
+    assert(mpDocInserter && "ScDocShell::DialogClosedHdl(): no document inserter");
+
+    if ( ERRCODE_NONE == _pFileDlg->GetError() )
+    {
+        std::unique_ptr<SfxMedium> pMedium = mpDocInserter->CreateMedium();
+
+        if ( pMedium )
+        {
+            if ( pMedium->IsStorage() )
+                Insert( *pMedium );
+            else
+                InsertFrom( *pMedium );
+            pMedium.reset();
+
+            SmDocShell* pDoc = GetDoc();
+            pDoc->UpdateText();
+            pDoc->ArrangeFormula();
+            pDoc->Repaint();
+            // adjust window, repaint, increment ModifyCount,...
+            GetViewFrame().GetBindings().Invalidate(SID_GRAPHIC_SM);
+        }
+    }
+
+    mpRequest->SetReturnValue( SfxBoolItem( mpRequest->GetSlot(), true ) );
+    mpRequest->Done();
+}
+
+void SmViewShell::Notify( SfxBroadcaster& , const SfxHint& rHint )
+{
+    switch( rHint.GetId() )
+    {
+        case SfxHintId::ModeChanged:
+        case SfxHintId::DocChanged:
+            GetViewFrame().GetBindings().InvalidateAll(false);
+        break;
+        default:
+        break;
+    }
+}
+
+bool SmViewShell::IsInlineEditEnabled()
+{
+    return comphelper::LibreOfficeKit::isActive()
+           || SM_MOD()->GetConfig()->IsInlineEditEnable();
+}
+
+void SmViewShell::StartMainHelp()
+{
+    Help* pHelp = Application::GetHelp();
+    if (pHelp)
+        pHelp->Start(HID_SMA_MAIN_HELP, GetViewFrame().GetFrameWeld());
+}
+
+void SmViewShell::ZoomByItemSet(const SfxItemSet *pSet)
+{
+    assert(pSet);
+    const SvxZoomItem &rZoom = pSet->Get(SID_ATTR_ZOOM);
+    switch( rZoom.GetType() )
+    {
+        case SvxZoomType::PERCENT:
+            mxGraphicWindow->SetZoom(sal::static_int_cast<sal_uInt16>(rZoom.GetValue ()));
+            break;
+
+        case SvxZoomType::OPTIMAL:
+            mxGraphicWindow->ZoomToFitInWindow();
+            break;
+
+        case SvxZoomType::PAGEWIDTH:
+        case SvxZoomType::WHOLEPAGE:
+        {
+            const MapMode aMap( SmMapUnit() );
+            SfxPrinter *pPrinter = GetPrinter( true );
+            tools::Rectangle  OutputRect(Point(), pPrinter->GetOutputSize());
+            Size       OutputSize(pPrinter->LogicToPixel(Size(OutputRect.GetWidth(),
+                                                              OutputRect.GetHeight()), aMap));
+            Size       GraphicSize(pPrinter->LogicToPixel(GetDoc()->GetSize(), aMap));
+            if (GraphicSize.Width() <= 0 || GraphicSize.Height() <= 0)
+                break;
+            sal_uInt16 nZ = std::min(o3tl::convert(OutputSize.Width(), 100, GraphicSize.Width()),
+                                     o3tl::convert(OutputSize.Height(), 100, GraphicSize.Height()));
+            mxGraphicWindow->SetZoom(nZ);
+            break;
+        }
+        default:
+            break;
+    }
+}
+
+std::optional<OString> SmViewShell::getLOKPayload(int nType, int nViewId) const
+{
+    switch (nType)
+    {
+        case LOK_CALLBACK_INVALIDATE_VISIBLE_CURSOR:
+        {
+            OString sRectangle;
+            if (const SmGraphicWidget& widget = GetGraphicWidget(); widget.IsCursorVisible())
+            {
+                SmCursor& rCursor = GetDoc()->GetCursor();
+                OutputDevice& rOutDev = const_cast<SmGraphicWidget&>(widget).GetOutputDevice();
+                tools::Rectangle aCaret = rCursor.GetCaretRectangle(rOutDev);
+                Point aFormulaDrawPos = widget.GetFormulaDrawPos();
+                aCaret.Move(aFormulaDrawPos.X(), aFormulaDrawPos.Y());
+                LokStarMathHelper helper(SfxViewShell::Current());
+                tools::Rectangle aBounds = helper.GetBoundingBox();
+                aCaret.Move(aBounds.Left(), aBounds.Top());
+                sRectangle = aCaret.toString();
+            }
+            return SfxLokHelper::makeVisCursorInvalidation(nViewId, sRectangle, false, {});
+        }
+        case LOK_CALLBACK_TEXT_SELECTION:
+        {
+            OString sRectangle;
+            if (const SmGraphicWidget& widget = GetGraphicWidget(); widget.IsCursorVisible())
+            {
+                SmCursor& rCursor = GetDoc()->GetCursor();
+                OutputDevice& rOutDev = const_cast<SmGraphicWidget&>(widget).GetOutputDevice();
+                tools::Rectangle aSelection = rCursor.GetSelectionRectangle(rOutDev);
+                if (!aSelection.IsEmpty())
+                {
+                    Point aFormulaDrawPos = widget.GetFormulaDrawPos();
+                    aSelection.Move(aFormulaDrawPos.X(), aFormulaDrawPos.Y());
+                    LokStarMathHelper helper(SfxViewShell::Current());
+                    tools::Rectangle aBounds = helper.GetBoundingBox();
+
+                    aSelection.Move(aBounds.Left(), aBounds.Top());
+                    sRectangle = aSelection.toString();
+                }
+            }
+            return sRectangle;
+        }
+        case LOK_CALLBACK_TEXT_SELECTION_START:
+        case LOK_CALLBACK_TEXT_SELECTION_END:
+        case LOK_CALLBACK_INVALIDATE_VIEW_CURSOR:
+        case LOK_CALLBACK_TEXT_VIEW_SELECTION:
+            return {};
+    }
+    return SfxViewShell::getLOKPayload(nType, nViewId); // aborts
+}
+
+void SmViewShell::SendCaretToLOK() const
+{
+    const int nViewId = sal_Int32(GetViewShellId());
+    if (const auto& payload = getLOKPayload(LOK_CALLBACK_INVALIDATE_VISIBLE_CURSOR, nViewId))
+    {
+        libreOfficeKitViewCallbackWithViewId(LOK_CALLBACK_INVALIDATE_VISIBLE_CURSOR,
+                                             *payload, nViewId);
+    }
+    if (const auto& payload = getLOKPayload(LOK_CALLBACK_TEXT_SELECTION, nViewId))
+    {
+        libreOfficeKitViewCallback(LOK_CALLBACK_TEXT_SELECTION, *payload);
+    }
+}
+
+void SmViewShell::InvalidateSlots()
+{
+    auto& rBind = GetViewFrame().GetBindings();
+    rBind.Invalidate(SID_COPY);
+    rBind.Invalidate(SID_CUT);
+    rBind.Invalidate(SID_DELETE);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/visitors.cxx b/starmath/source/visitors.cxx
new file mode 100644
index 0000000000..3e11201ebe
--- /dev/null
+++ b/starmath/source/visitors.cxx
@@ -0,0 +1,2648 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <rtl/math.hxx>
+#include <sal/log.hxx>
+#include <tools/gen.hxx>
+#include <vcl/lineinfo.hxx>
+#include <visitors.hxx>
+#include "tmpdevice.hxx"
+#include <cursor.hxx>
+
+#include <starmathdatabase.hxx>
+
+// SmDefaultingVisitor
+
+void SmDefaultingVisitor::Visit( SmTableNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmBraceNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmBracebodyNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmOperNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmAlignNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmAttributeNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmFontNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmUnHorNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmBinHorNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmBinVerNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmBinDiagonalNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmSubSupNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmMatrixNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmPlaceNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmTextNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmSpecialNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmGlyphSpecialNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmMathSymbolNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmBlankNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmErrorNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmLineNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmExpressionNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmPolyLineNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmRootNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmRootSymbolNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmRectangleNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+void SmDefaultingVisitor::Visit( SmVerticalBraceNode* pNode )
+{
+    DefaultVisit( pNode );
+}
+
+// SmCaretLinesVisitor
+
+SmCaretLinesVisitor::SmCaretLinesVisitor(OutputDevice& rDevice, SmCaretPos position, Point offset)
+    : mrDev(rDevice)
+    , maPos(position)
+    , maOffset(offset)
+{
+}
+
+void SmCaretLinesVisitor::DoIt()
+{
+    SAL_WARN_IF(!maPos.IsValid(), "starmath", "Cannot draw invalid position!");
+    if (!maPos.IsValid())
+        return;
+
+    //Save device state
+    mrDev.Push( vcl::PushFlags::FONT | vcl::PushFlags::MAPMODE | vcl::PushFlags::LINECOLOR | vcl::PushFlags::FILLCOLOR | vcl::PushFlags::TEXTCOLOR );
+
+    maPos.pSelectedNode->Accept( this );
+    //Restore device state
+    mrDev.Pop( );
+}
+
+void SmCaretLinesVisitor::Visit( SmTextNode* pNode )
+{
+    tools::Long i = maPos.nIndex;
+
+    mrDev.SetFont( pNode->GetFont( ) );
+
+    //Find the line
+    SmNode* pLine = SmCursor::FindTopMostNodeInLine( pNode );
+
+    //Find coordinates
+    tools::Long left = pNode->GetLeft( ) + mrDev.GetTextWidth( pNode->GetText( ), 0, i ) + maOffset.X( );
+    tools::Long top = pLine->GetTop( ) + maOffset.Y( );
+    tools::Long height = pLine->GetHeight( );
+    tools::Long left_line = pLine->GetLeft( ) + maOffset.X( );
+    tools::Long right_line = pLine->GetRight( ) + maOffset.X( );
+
+    // Vertical line
+    ProcessCaretLine({ left, top }, { left, top + height });
+
+    // Underline
+    ProcessUnderline({ left_line, top + height }, { right_line, top + height });
+}
+
+void SmCaretLinesVisitor::DefaultVisit( SmNode* pNode )
+{
+    //Find the line
+    SmNode* pLine = SmCursor::FindTopMostNodeInLine( pNode );
+
+    //Find coordinates
+    tools::Long left = pNode->GetLeft( ) + maOffset.X( ) + ( maPos.nIndex == 1 ? pNode->GetWidth( ) : 0 );
+    tools::Long top = pLine->GetTop( ) + maOffset.Y( );
+    tools::Long height = pLine->GetHeight( );
+    tools::Long left_line = pLine->GetLeft( ) + maOffset.X( );
+    tools::Long right_line = pLine->GetRight( ) + maOffset.X( );
+
+    // Vertical line
+    ProcessCaretLine({ left, top }, { left, top + height });
+
+    // Underline
+    ProcessUnderline({ left_line, top + height }, { right_line, top + height });
+}
+
+// SmCaretRectanglesVisitor
+
+SmCaretRectanglesVisitor::SmCaretRectanglesVisitor(OutputDevice& rDevice, SmCaretPos position)
+    : SmCaretLinesVisitor(rDevice, position, {})
+{
+    DoIt();
+}
+
+void SmCaretRectanglesVisitor::ProcessCaretLine(Point from, Point to) { maCaret = { from, to }; }
+void SmCaretRectanglesVisitor::ProcessUnderline(Point /*from*/, Point /*to*/) {} // No underline
+
+// SmCaretDrawingVisitor
+
+SmCaretDrawingVisitor::SmCaretDrawingVisitor( OutputDevice& rDevice,
+                                             SmCaretPos position,
+                                             Point offset,
+                                             bool caretVisible )
+    : SmCaretLinesVisitor(rDevice, position, offset)
+    , mbCaretVisible( caretVisible )
+{
+    DoIt();
+}
+
+void SmCaretDrawingVisitor::ProcessCaretLine(Point from, Point to)
+{
+    if ( mbCaretVisible ) {
+        //Set color
+        getDev().SetLineColor(COL_BLACK);
+        //Draw vertical line
+        getDev().DrawLine(from, to);
+    }
+}
+
+void SmCaretDrawingVisitor::ProcessUnderline(Point from, Point to)
+{
+    //Set color
+    getDev().SetLineColor(COL_BLACK);
+    //Underline the line
+    getDev().DrawLine(from, to);
+}
+
+// SmCaretPos2LineVisitor
+
+void SmCaretPos2LineVisitor::Visit( SmTextNode* pNode )
+{
+    //Save device state
+    mpDev->Push( vcl::PushFlags::FONT | vcl::PushFlags::TEXTCOLOR );
+
+    tools::Long i = maPos.nIndex;
+
+    mpDev->SetFont( pNode->GetFont( ) );
+
+    //Find coordinates
+    tools::Long left = pNode->GetLeft( ) + mpDev->GetTextWidth( pNode->GetText( ), 0, i );
+    tools::Long top = pNode->GetTop( );
+    tools::Long height = pNode->GetHeight( );
+
+    maLine = SmCaretLine( left, top, height );
+
+    //Restore device state
+    mpDev->Pop( );
+}
+
+void SmCaretPos2LineVisitor::DefaultVisit( SmNode* pNode )
+{
+    //Vertical line ( code from SmCaretDrawingVisitor )
+    Point p1 = pNode->GetTopLeft( );
+    if( maPos.nIndex == 1 )
+        p1.Move( pNode->GetWidth( ), 0 );
+
+    maLine = SmCaretLine( p1.X( ), p1.Y( ), pNode->GetHeight( ) );
+}
+
+
+// SmDrawingVisitor
+
+void SmDrawingVisitor::Visit( SmTableNode* pNode )
+{
+    DrawChildren( pNode );
+}
+
+void SmDrawingVisitor::Visit( SmBraceNode* pNode )
+{
+    DrawChildren( pNode );
+}
+
+void SmDrawingVisitor::Visit( SmBracebodyNode* pNode )
+{
+    DrawChildren( pNode );
+}
+
+void SmDrawingVisitor::Visit( SmOperNode* pNode )
+{
+    DrawChildren( pNode );
+}
+
+void SmDrawingVisitor::Visit( SmAlignNode* pNode )
+{
+    DrawChildren( pNode );
+}
+
+void SmDrawingVisitor::Visit( SmAttributeNode* pNode )
+{
+    DrawChildren( pNode );
+}
+
+void SmDrawingVisitor::Visit( SmFontNode* pNode )
+{
+    DrawChildren( pNode );
+}
+
+void SmDrawingVisitor::Visit( SmUnHorNode* pNode )
+{
+    DrawChildren( pNode );
+}
+
+void SmDrawingVisitor::Visit( SmBinHorNode* pNode )
+{
+    DrawChildren( pNode );
+}
+
+void SmDrawingVisitor::Visit( SmBinVerNode* pNode )
+{
+    DrawChildren( pNode );
+}
+
+void SmDrawingVisitor::Visit( SmBinDiagonalNode* pNode )
+{
+    DrawChildren( pNode );
+}
+
+void SmDrawingVisitor::Visit( SmSubSupNode* pNode )
+{
+    DrawChildren( pNode );
+}
+
+void SmDrawingVisitor::Visit( SmMatrixNode* pNode )
+{
+    DrawChildren( pNode );
+}
+
+void SmDrawingVisitor::Visit( SmPlaceNode* pNode )
+{
+    DrawSpecialNode( pNode );
+}
+
+void SmDrawingVisitor::Visit( SmTextNode* pNode )
+{
+    DrawTextNode( pNode );
+}
+
+void SmDrawingVisitor::Visit( SmSpecialNode* pNode )
+{
+    DrawSpecialNode( pNode );
+}
+
+void SmDrawingVisitor::Visit( SmGlyphSpecialNode* pNode )
+{
+    DrawSpecialNode( pNode );
+}
+
+void SmDrawingVisitor::Visit( SmMathSymbolNode* pNode )
+{
+    DrawSpecialNode( pNode );
+}
+
+void SmDrawingVisitor::Visit( SmBlankNode* )
+{
+}
+
+void SmDrawingVisitor::Visit( SmErrorNode* pNode )
+{
+    DrawSpecialNode( pNode );
+}
+
+void SmDrawingVisitor::Visit( SmLineNode* pNode )
+{
+    DrawChildren( pNode );
+}
+
+void SmDrawingVisitor::Visit( SmExpressionNode* pNode )
+{
+    DrawChildren( pNode );
+}
+
+void SmDrawingVisitor::Visit( SmRootNode* pNode )
+{
+    DrawChildren( pNode );
+}
+
+void SmDrawingVisitor::Visit( SmVerticalBraceNode* pNode )
+{
+    DrawChildren( pNode );
+}
+
+void SmDrawingVisitor::Visit( SmRootSymbolNode* pNode )
+{
+    if ( pNode->IsPhantom( ) )
+        return;
+
+    // draw root-sign itself
+    DrawSpecialNode( pNode );
+
+    SmTmpDevice aTmpDev( mrDev, true );
+    aTmpDev.SetFillColor( pNode->GetFont( ).GetColor( ) );
+    mrDev.SetLineColor( );
+    aTmpDev.SetFont( pNode->GetFont( ) );
+
+    // since the width is always unscaled it corresponds to the _original_
+    // _unscaled_ font height to be used, we use that to calculate the
+    // bar height. Thus it is independent of the arguments height.
+    // ( see display of sqrt QQQ versus sqrt stack{Q#Q#Q#Q} )
+    tools::Long nBarHeight = pNode->GetWidth( ) * 7 / 100;
+    tools::Long nBarWidth = pNode->GetBodyWidth( ) + pNode->GetBorderWidth( );
+    Point aBarOffset( pNode->GetWidth( ), +pNode->GetBorderWidth( ) );
+    Point aBarPos( maPosition + aBarOffset );
+
+    tools::Rectangle  aBar( aBarPos, Size( nBarWidth, nBarHeight ) );
+
+    if (mrFormat.IsRightToLeft() && mrDev.GetOutDevType() != OUTDEV_WINDOW)
+        mrDev.ReMirror(aBar);
+
+    mrDev.DrawRect( aBar );
+}
+
+void SmDrawingVisitor::Visit( SmPolyLineNode* pNode )
+{
+    if ( pNode->IsPhantom( ) )
+        return;
+
+    tools::Long nBorderwidth = pNode->GetFont( ).GetBorderWidth( );
+
+    LineInfo  aInfo;
+    aInfo.SetWidth( pNode->GetWidth( ) - 2 * nBorderwidth );
+
+    Point aOffset ( Point( ) - pNode->GetPolygon( ).GetBoundRect( ).TopLeft( )
+                   + Point( nBorderwidth, nBorderwidth ) ),
+          aPos ( maPosition + aOffset );
+
+    if (mrFormat.IsRightToLeft() && mrDev.GetOutDevType() != OUTDEV_WINDOW)
+        mrDev.ReMirror(aPos);
+
+    pNode->GetPolygon( ).Move( aPos.X( ), aPos.Y( ) );    //Works because Polygon wraps a pointer
+
+    SmTmpDevice aTmpDev ( mrDev, false );
+    aTmpDev.SetLineColor( pNode->GetFont( ).GetColor( ) );
+
+    mrDev.DrawPolyLine( pNode->GetPolygon( ), aInfo );
+}
+
+void SmDrawingVisitor::Visit( SmRectangleNode* pNode )
+{
+    if ( pNode->IsPhantom( ) )
+        return;
+
+    SmTmpDevice aTmpDev ( mrDev, false );
+    aTmpDev.SetFillColor( pNode->GetFont( ).GetColor( ) );
+    mrDev.SetLineColor( );
+    aTmpDev.SetFont( pNode->GetFont( ) );
+
+    sal_uLong  nTmpBorderWidth = pNode->GetFont( ).GetBorderWidth( );
+
+    // get rectangle and remove borderspace
+    tools::Rectangle  aTmp ( pNode->AsRectangle( ) + maPosition - pNode->GetTopLeft( ) );
+    aTmp.AdjustLeft(nTmpBorderWidth );
+    aTmp.AdjustRight( -sal_Int32(nTmpBorderWidth) );
+    aTmp.AdjustTop(nTmpBorderWidth );
+    aTmp.AdjustBottom( -sal_Int32(nTmpBorderWidth) );
+
+    SAL_WARN_IF( aTmp.IsEmpty(), "starmath", "Empty rectangle" );
+
+    if (mrFormat.IsRightToLeft() && mrDev.GetOutDevType() != OUTDEV_WINDOW)
+        mrDev.ReMirror(aTmp);
+
+    mrDev.DrawRect( aTmp );
+}
+
+void SmDrawingVisitor::DrawTextNode( SmTextNode* pNode )
+{
+    if ( pNode->IsPhantom() || pNode->GetText().isEmpty() || pNode->GetText()[0] == '\0' )
+        return;
+
+    SmTmpDevice aTmpDev ( mrDev, false );
+    aTmpDev.SetFont( pNode->GetFont( ) );
+
+    Point  aPos ( maPosition );
+    aPos.AdjustY(pNode->GetBaselineOffset( ) );
+
+    if (mrFormat.IsRightToLeft() && mrDev.GetOutDevType() != OUTDEV_WINDOW)
+        mrDev.ReMirror(aPos);
+
+    mrDev.DrawStretchText( aPos, pNode->GetWidth( ), pNode->GetText( ) );
+}
+
+void SmDrawingVisitor::DrawSpecialNode( SmSpecialNode* pNode )
+{
+    //! since this chars might come from any font, that we may not have
+    //! set to ALIGN_BASELINE yet, we do it now.
+    pNode->GetFont( ).SetAlignment( ALIGN_BASELINE );
+
+    DrawTextNode( pNode );
+}
+
+void SmDrawingVisitor::DrawChildren( SmStructureNode* pNode )
+{
+    if ( pNode->IsPhantom( ) )
+        return;
+
+    Point rPosition = maPosition;
+
+    for( auto pChild : *pNode )
+    {
+        if(!pChild)
+            continue;
+        Point  aOffset ( pChild->GetTopLeft( ) - pNode->GetTopLeft( ) );
+        maPosition = rPosition + aOffset;
+        pChild->Accept( this );
+    }
+}
+
+// SmSetSelectionVisitor
+
+SmSetSelectionVisitor::SmSetSelectionVisitor( SmCaretPos startPos, SmCaretPos endPos, SmNode* pTree)
+    : maStartPos(startPos)
+    , maEndPos(endPos)
+    , mbSelecting(false)
+{
+    //Assume that pTree is a SmTableNode
+    SAL_WARN_IF(pTree->GetType() != SmNodeType::Table, "starmath", "pTree should be a SmTableNode!");
+    //Visit root node, this is special as this node cannot be selected, but its children can!
+    if(pTree->GetType() == SmNodeType::Table){
+        //Change state if maStartPos is in front of this node
+        if( maStartPos.pSelectedNode == pTree && maStartPos.nIndex == 0 )
+            mbSelecting = !mbSelecting;
+        //Change state if maEndPos is in front of this node
+        if( maEndPos.pSelectedNode == pTree && maEndPos.nIndex == 0 )
+            mbSelecting = !mbSelecting;
+        SAL_WARN_IF(mbSelecting, "starmath", "Caret positions needed to set mbSelecting about, shouldn't be possible!");
+
+        //Visit lines
+        for( auto pChild : *static_cast<SmStructureNode*>(pTree) )
+        {
+            if(!pChild)
+                continue;
+            pChild->Accept( this );
+            //If we started a selection in this line and it haven't ended, we do that now!
+            if(mbSelecting) {
+                mbSelecting = false;
+                SetSelectedOnAll(pChild);
+                //Set maStartPos and maEndPos to invalid positions, this ensures that an unused
+                //start or end (because we forced end above), doesn't start a new selection.
+                maStartPos = maEndPos = SmCaretPos();
+            }
+        }
+        //Check if pTree isn't selected
+        SAL_WARN_IF(pTree->IsSelected(), "starmath", "pTree should never be selected!");
+        //Discard the selection if there's a bug (it's better than crashing)
+        if(pTree->IsSelected())
+            SetSelectedOnAll(pTree, false);
+    }else //This shouldn't happen, but I don't see any reason to die if it does
+        pTree->Accept(this);
+}
+
+void SmSetSelectionVisitor::SetSelectedOnAll( SmNode* pSubTree, bool IsSelected ) {
+    pSubTree->SetSelected( IsSelected );
+
+    if(pSubTree->GetNumSubNodes() == 0)
+        return;
+    //Quick BFS to set all selections
+    for( auto pChild : *static_cast<SmStructureNode*>(pSubTree) )
+    {
+        if(!pChild)
+            continue;
+        SetSelectedOnAll( pChild, IsSelected );
+    }
+}
+
+void SmSetSelectionVisitor::DefaultVisit( SmNode* pNode ) {
+    //Change state if maStartPos is in front of this node
+    if( maStartPos.pSelectedNode == pNode && maStartPos.nIndex == 0 )
+        mbSelecting = !mbSelecting;
+    //Change state if maEndPos is in front of this node
+    if( maEndPos.pSelectedNode == pNode && maEndPos.nIndex == 0 )
+        mbSelecting = !mbSelecting;
+
+    //Cache current state
+    bool WasSelecting = mbSelecting;
+    bool ChangedState = false;
+
+    //Set selected
+    pNode->SetSelected( mbSelecting );
+
+    //Visit children
+    if(pNode->GetNumSubNodes() > 0)
+    {
+        for( auto pChild : *static_cast<SmStructureNode*>(pNode) )
+        {
+            if(!pChild)
+                continue;
+            pChild->Accept( this );
+            ChangedState = ( WasSelecting != mbSelecting ) || ChangedState;
+        }
+    }
+
+    //If state changed
+    if( ChangedState )
+    {
+        //Select this node and all of its children
+        //(Make exception for SmBracebodyNode)
+        if( pNode->GetType() != SmNodeType::Bracebody ||
+            !pNode->GetParent() ||
+            pNode->GetParent()->GetType() != SmNodeType::Brace )
+            SetSelectedOnAll( pNode );
+        else
+            SetSelectedOnAll( pNode->GetParent() );
+        /* If the equation is:      sqrt{2 + 4} + 5
+         * And the selection is:    sqrt{2 + [4} +] 5
+         *      Where [ denotes maStartPos and ] denotes maEndPos
+         * Then the sqrt node should be selected, so that the
+         * effective selection is:  [sqrt{2 + 4} +] 5
+         * The same is the case if we swap maStartPos and maEndPos.
+         */
+    }
+
+    //Change state if maStartPos is after this node
+    if( maStartPos.pSelectedNode == pNode && maStartPos.nIndex == 1 )
+    {
+        mbSelecting = !mbSelecting;
+    }
+    //Change state if maEndPos is after of this node
+    if( maEndPos.pSelectedNode == pNode && maEndPos.nIndex == 1 )
+    {
+        mbSelecting = !mbSelecting;
+    }
+}
+
+void SmSetSelectionVisitor::VisitCompositionNode( SmStructureNode* pNode )
+{
+    //Change state if maStartPos is in front of this node
+    if( maStartPos.pSelectedNode == pNode && maStartPos.nIndex == 0 )
+        mbSelecting = !mbSelecting;
+    //Change state if maEndPos is in front of this node
+    if( maEndPos.pSelectedNode == pNode && maEndPos.nIndex == 0 )
+        mbSelecting = !mbSelecting;
+
+    //Cache current state
+    bool WasSelecting = mbSelecting;
+
+    //Visit children
+    for( auto pChild : *pNode )
+    {
+        if(!pChild)
+            continue;
+        pChild->Accept( this );
+    }
+
+    //Set selected, if everything was selected
+    pNode->SetSelected( WasSelecting && mbSelecting );
+
+    //Change state if maStartPos is after this node
+    if( maStartPos.pSelectedNode == pNode && maStartPos.nIndex == 1 )
+        mbSelecting = !mbSelecting;
+    //Change state if maEndPos is after of this node
+    if( maEndPos.pSelectedNode == pNode && maEndPos.nIndex == 1 )
+        mbSelecting = !mbSelecting;
+}
+
+void SmSetSelectionVisitor::Visit( SmTextNode* pNode ) {
+    tools::Long    i1 = -1,
+            i2 = -1;
+    if( maStartPos.pSelectedNode == pNode )
+        i1 = maStartPos.nIndex;
+    if( maEndPos.pSelectedNode == pNode )
+        i2 = maEndPos.nIndex;
+
+    tools::Long start, end;
+    pNode->SetSelected(true);
+    if( i1 != -1 && i2 != -1 ) {
+        start = std::min(i1, i2);
+        end   = std::max(i1, i2);
+    } else if( mbSelecting && i1 != -1 ) {
+        start = 0;
+        end = i1;
+        mbSelecting = false;
+    } else if( mbSelecting && i2 != -1 ) {
+        start = 0;
+        end = i2;
+        mbSelecting = false;
+    } else if( !mbSelecting && i1 != -1 ) {
+        start = i1;
+        end = pNode->GetText().getLength();
+        mbSelecting = true;
+    } else if( !mbSelecting && i2 != -1 ) {
+        start = i2;
+        end = pNode->GetText().getLength();
+        mbSelecting = true;
+    } else if( mbSelecting ) {
+        start = 0;
+        end = pNode->GetText().getLength();
+    } else {
+        pNode->SetSelected( false );
+        start = 0;
+        end = 0;
+    }
+    pNode->SetSelected( start != end );
+    pNode->SetSelectionStart( start );
+    pNode->SetSelectionEnd( end );
+}
+
+void SmSetSelectionVisitor::Visit( SmExpressionNode* pNode ) {
+    VisitCompositionNode( pNode );
+}
+
+void SmSetSelectionVisitor::Visit( SmLineNode* pNode ) {
+    VisitCompositionNode( pNode );
+}
+
+void SmSetSelectionVisitor::Visit( SmAlignNode* pNode ) {
+    VisitCompositionNode( pNode );
+}
+
+void SmSetSelectionVisitor::Visit( SmBinHorNode* pNode ) {
+    VisitCompositionNode( pNode );
+}
+
+void SmSetSelectionVisitor::Visit( SmUnHorNode* pNode ) {
+    VisitCompositionNode( pNode );
+}
+
+void SmSetSelectionVisitor::Visit( SmFontNode* pNode ) {
+    VisitCompositionNode( pNode );
+}
+
+// SmCaretPosGraphBuildingVisitor
+
+SmCaretPosGraphBuildingVisitor::SmCaretPosGraphBuildingVisitor( SmNode* pRootNode )
+    : mpRightMost(nullptr)
+    , mpGraph(new SmCaretPosGraph)
+{
+    //pRootNode should always be a table
+    SAL_WARN_IF( pRootNode->GetType( ) != SmNodeType::Table, "starmath", "pRootNode must be a table node");
+    //Handle the special case where SmNodeType::Table is used a rootnode
+    if( pRootNode->GetType( ) == SmNodeType::Table ){
+        //Children are SmLineNodes
+        //Or so I thought... Apparently, the children can be instances of SmExpression
+        //especially if there's an error in the formula... So here we go, a simple work around.
+        for( auto pChild : *static_cast<SmStructureNode*>(pRootNode) )
+        {
+            if(!pChild)
+                continue;
+            mpRightMost = mpGraph->Add( SmCaretPos( pChild, 0 ) );
+            pChild->Accept( this );
+        }
+    }else
+        pRootNode->Accept(this);
+}
+
+SmCaretPosGraphBuildingVisitor::~SmCaretPosGraphBuildingVisitor()
+{
+}
+
+void SmCaretPosGraphBuildingVisitor::Visit( SmLineNode* pNode ){
+    for( auto pChild : *pNode )
+    {
+        if(!pChild)
+            continue;
+        pChild->Accept( this );
+    }
+}
+
+/** Build SmCaretPosGraph for SmTableNode
+ * This method covers cases where SmTableNode is used in a binom or stack,
+ * the special case where it is used as root node for the entire formula is
+ * handled in the constructor.
+ */
+void SmCaretPosGraphBuildingVisitor::Visit( SmTableNode* pNode ){
+    SmCaretPosGraphEntry *left  = mpRightMost,
+                         *right = mpGraph->Add( SmCaretPos( pNode, 1) );
+    bool bIsFirst = true;
+    for( auto pChild : *pNode )
+    {
+        if(!pChild)
+            continue;
+        mpRightMost = mpGraph->Add( SmCaretPos( pChild, 0 ), left);
+        if(bIsFirst)
+            left->SetRight(mpRightMost);
+        pChild->Accept( this );
+        mpRightMost->SetRight(right);
+        if(bIsFirst)
+            right->SetLeft(mpRightMost);
+        bIsFirst = false;
+    }
+    mpRightMost = right;
+}
+
+/** Build SmCaretPosGraph for SmSubSupNode
+ *
+ * The child positions in a SubSupNode, where H is the body:
+ * \code
+ *      CSUP
+ *
+ * LSUP H  H RSUP
+ *      H  H
+ *      HHHH
+ *      H  H
+ * LSUB H  H RSUB
+ *
+ *      CSUB
+ * \endcode
+ *
+ * Graph over these, where "left" is before the SmSubSupNode and "right" is after:
+ * \dot
+ *  digraph Graph{
+ *      left -> H;
+ *      H -> right;
+ *      LSUP -> H;
+ *      LSUB -> H;
+ *      CSUP -> right;
+ *      CSUB -> right;
+ *      RSUP -> right;
+ *      RSUB -> right;
+ *  };
+ * \enddot
+ *
+ */
+void SmCaretPosGraphBuildingVisitor::Visit( SmSubSupNode* pNode )
+{
+    SmCaretPosGraphEntry *left,
+                         *right,
+                         *bodyLeft,
+                         *bodyRight;
+
+    assert(mpRightMost);
+    left = mpRightMost;
+
+    //Create bodyLeft
+    SAL_WARN_IF( !pNode->GetBody(), "starmath", "SmSubSupNode Doesn't have a body!" );
+    bodyLeft = mpGraph->Add( SmCaretPos( pNode->GetBody( ), 0 ), left );
+    left->SetRight( bodyLeft ); //TODO: Don't make this if LSUP or LSUB are NULL ( not sure??? )
+
+    //Create right
+    right = mpGraph->Add( SmCaretPos( pNode, 1 ) );
+
+    //Visit the body, to get bodyRight
+    mpRightMost = bodyLeft;
+    pNode->GetBody( )->Accept( this );
+    bodyRight = mpRightMost;
+    bodyRight->SetRight( right );
+    right->SetLeft( bodyRight );
+
+    SmNode* pChild;
+    for (SmSubSup const nodeType : { LSUP, LSUB, CSUP, CSUB, RSUP, RSUB })
+    {
+        pChild = pNode->GetSubSup(nodeType);
+        if( pChild )
+        {
+            SmCaretPosGraphEntry *cLeft; //Child left
+            cLeft = mpGraph->Add( SmCaretPos( pChild, 0 ), ((nodeType == RSUP) || (nodeType == RSUB))?bodyRight:left );
+
+            mpRightMost = cLeft;
+            pChild->Accept( this );
+
+            mpRightMost->SetRight( ((nodeType == LSUP) || (nodeType == LSUB))?bodyLeft:right );
+        }
+    }
+
+    //Set return parameters
+    mpRightMost = right;
+}
+
+/** Build caret position for SmOperNode
+ *
+ * If first child is an SmSubSupNode we will ignore its
+ * body, as this body is a SmMathSymbol, for SUM, INT or similar
+ * that shouldn't be subject to modification.
+ * If first child is not a SmSubSupNode, ignore it completely
+ * as it is a SmMathSymbol.
+ *
+ * The child positions in a SmOperNode, where H is symbol, e.g. int, sum or similar:
+ * \code
+ *       TO
+ *
+ * LSUP H  H RSUP    BBB    BB  BBB  B   B
+ *      H  H         B  B  B  B B  B  B B
+ *      HHHH         BBB   B  B B  B   B
+ *      H  H         B  B  B  B B  B   B
+ * LSUB H  H RSUB    BBB    BB  BBB    B
+ *
+ *      FROM
+ * \endcode
+ * Notice, CSUP, etc. are actually grandchildren, but inorder to ignore H, these are visited
+ * from here. If they are present, that is if pOper is an instance of SmSubSupNode.
+ *
+ * Graph over these, where "left" is before the SmOperNode and "right" is after:
+ * \dot
+ *  digraph Graph{
+ *      left -> BODY;
+ *      BODY -> right;
+ *      LSUP -> BODY;
+ *      LSUB -> BODY;
+ *      TO   -> BODY;
+ *      FROM -> BODY;
+ *      RSUP -> BODY;
+ *      RSUB -> BODY;
+ *  };
+ * \enddot
+ */
+void SmCaretPosGraphBuildingVisitor::Visit( SmOperNode* pNode )
+{
+    SmNode *pOper = pNode->GetSubNode( 0 ),
+           *pBody = pNode->GetSubNode( 1 );
+
+    SmCaretPosGraphEntry *left = mpRightMost,
+                         *bodyLeft,
+                         *bodyRight,
+                         *right;
+    //Create body left
+    bodyLeft = mpGraph->Add( SmCaretPos( pBody, 0 ), left );
+    left->SetRight( bodyLeft );
+
+    //Visit body, get bodyRight
+    mpRightMost = bodyLeft;
+    pBody->Accept( this );
+    bodyRight = mpRightMost;
+
+    //Create right
+    right = mpGraph->Add( SmCaretPos( pNode, 1 ), bodyRight );
+    bodyRight->SetRight( right );
+
+    //Get subsup pNode if any
+    SmSubSupNode* pSubSup = pOper->GetType( ) == SmNodeType::SubSup ? static_cast<SmSubSupNode*>(pOper) : nullptr;
+
+    if( pSubSup ) {
+        SmNode* pChild;
+        for (SmSubSup const nodeType : { LSUP, LSUB, CSUP, CSUB, RSUP, RSUB })
+        {
+            pChild = pSubSup->GetSubSup(nodeType);
+            if( pChild )
+            {
+            //Create position in front of pChild
+                SmCaretPosGraphEntry *childLeft = mpGraph->Add( SmCaretPos( pChild, 0 ), left );
+                //Visit pChild
+                mpRightMost = childLeft;
+                pChild->Accept( this );
+                //Set right on mpRightMost from pChild
+                mpRightMost->SetRight( bodyLeft );
+            }
+        }
+    }
+
+    //Return right
+    mpRightMost = right;
+}
+
+void SmCaretPosGraphBuildingVisitor::Visit( SmMatrixNode* pNode )
+{
+    SmCaretPosGraphEntry *left  = mpRightMost,
+                         *right = mpGraph->Add( SmCaretPos( pNode, 1 ) );
+
+    for (size_t i = 0;  i < pNode->GetNumRows(); ++i)
+    {
+        SmCaretPosGraphEntry* r = left;
+        for (size_t j = 0;  j < pNode->GetNumCols(); ++j)
+        {
+            SmNode* pSubNode = pNode->GetSubNode( i * pNode->GetNumCols( ) + j );
+
+            mpRightMost = mpGraph->Add( SmCaretPos( pSubNode, 0 ), r );
+            if( j != 0 || ( pNode->GetNumRows() - 1U ) / 2 == i )
+                r->SetRight( mpRightMost );
+
+            pSubNode->Accept( this );
+
+            r = mpRightMost;
+        }
+        mpRightMost->SetRight( right );
+        if( ( pNode->GetNumRows() - 1U ) / 2 == i )
+            right->SetLeft( mpRightMost );
+    }
+
+    mpRightMost = right;
+}
+
+/** Build SmCaretPosGraph for SmTextNode
+ *
+ * Lines in an SmTextNode:
+ * \code
+ * A B C
+ * \endcode
+ * Where A B and C are characters in the text.
+ *
+ * Graph over these, where "left" is before the SmTextNode and "right" is after:
+ * \dot
+ *  digraph Graph{
+ *      left -> A;
+ *      A -> B
+ *      B -> right;
+ *  };
+ * \enddot
+ * Notice that C and right is the same position here.
+ */
+void SmCaretPosGraphBuildingVisitor::Visit( SmTextNode* pNode )
+{
+    SAL_WARN_IF( pNode->GetText().isEmpty(), "starmath", "Empty SmTextNode is bad" );
+
+    OUString& aText = pNode->GetText();
+    sal_Int32 i = 0;
+    while (i < aText.getLength())
+    {
+        aText.iterateCodePoints(&i);
+        SmCaretPosGraphEntry* pRight = mpRightMost;
+        mpRightMost = mpGraph->Add( SmCaretPos( pNode, i ), pRight );
+        pRight->SetRight( mpRightMost );
+    }
+}
+
+/** Build SmCaretPosGraph for SmBinVerNode
+ *
+ * Lines in an SmBinVerNode:
+ * \code
+ *    A
+ *  -----
+ *    B
+ * \endcode
+ *
+ * Graph over these, where "left" is before the SmBinVerNode and "right" is after:
+ * \dot
+ *  digraph Graph{
+ *      left -> A;
+ *      A -> right;
+ *      B -> right;
+ *  };
+ * \enddot
+ */
+void SmCaretPosGraphBuildingVisitor::Visit( SmBinVerNode* pNode )
+{
+    //None if these children can be NULL, see SmBinVerNode::Arrange
+    SmNode  *pNum   = pNode->GetSubNode( 0 ),
+            *pDenom = pNode->GetSubNode( 2 );
+
+    SmCaretPosGraphEntry *left,
+                         *right,
+                         *numLeft,
+                         *denomLeft;
+
+    assert(mpRightMost);
+    //Set left
+    left = mpRightMost;
+
+    //Create right
+    right = mpGraph->Add( SmCaretPos( pNode, 1 ) );
+
+    //Create numLeft
+    numLeft = mpGraph->Add( SmCaretPos( pNum, 0 ), left );
+    left->SetRight( numLeft );
+
+    //Visit pNum
+    mpRightMost = numLeft;
+    pNum->Accept( this );
+    mpRightMost->SetRight( right );
+    right->SetLeft( mpRightMost );
+
+    //Create denomLeft
+    denomLeft = mpGraph->Add( SmCaretPos( pDenom, 0 ), left );
+
+    //Visit pDenom
+    mpRightMost = denomLeft;
+    pDenom->Accept( this );
+    mpRightMost->SetRight( right );
+
+    //Set return parameter
+    mpRightMost = right;
+}
+
+/** Build SmCaretPosGraph for SmVerticalBraceNode
+ *
+ * Lines in an SmVerticalBraceNode:
+ * \code
+ *   pScript
+ *  ________
+ * /        \
+ *   pBody
+ * \endcode
+ *
+ */
+void SmCaretPosGraphBuildingVisitor::Visit( SmVerticalBraceNode* pNode )
+{
+    SmNode  *pBody   = pNode->Body(),
+            *pScript = pNode->Script();
+    //None of these children can be NULL
+
+    SmCaretPosGraphEntry  *left,
+                        *bodyLeft,
+                        *scriptLeft,
+                        *right;
+
+    left = mpRightMost;
+
+    //Create right
+    right = mpGraph->Add( SmCaretPos( pNode, 1 ) );
+
+    //Create bodyLeft
+    bodyLeft = mpGraph->Add( SmCaretPos( pBody, 0 ), left );
+    left->SetRight( bodyLeft );
+    mpRightMost = bodyLeft;
+    pBody->Accept( this );
+    mpRightMost->SetRight( right );
+    right->SetLeft( mpRightMost );
+
+    //Create script
+    scriptLeft = mpGraph->Add( SmCaretPos( pScript, 0 ), left );
+    mpRightMost = scriptLeft;
+    pScript->Accept( this );
+    mpRightMost->SetRight( right );
+
+    //Set return value
+    mpRightMost = right;
+}
+
+/** Build SmCaretPosGraph for SmBinDiagonalNode
+ *
+ * Lines in an SmBinDiagonalNode:
+ * \code
+ *  A /
+ *   /
+ *  / B
+ * \endcode
+ * Where A and B are lines.
+ *
+ * Used in formulas such as "A wideslash B"
+ */
+void SmCaretPosGraphBuildingVisitor::Visit( SmBinDiagonalNode* pNode )
+{
+    SmNode  *A = pNode->GetSubNode( 0 ),
+            *B = pNode->GetSubNode( 1 );
+
+    SmCaretPosGraphEntry  *left,
+                        *leftA,
+                        *rightA,
+                        *leftB,
+                        *right;
+    left = mpRightMost;
+
+    //Create right
+    right = mpGraph->Add( SmCaretPos( pNode, 1 ) );
+
+    //Create left A
+    leftA = mpGraph->Add( SmCaretPos( A, 0 ), left );
+    left->SetRight( leftA );
+
+    //Visit A
+    mpRightMost = leftA;
+    A->Accept( this );
+    rightA = mpRightMost;
+
+    //Create left B
+    leftB = mpGraph->Add( SmCaretPos( B, 0 ), rightA );
+    rightA->SetRight( leftB );
+
+    //Visit B
+    mpRightMost = leftB;
+    B->Accept( this );
+    mpRightMost->SetRight( right );
+    right->SetLeft( mpRightMost );
+
+    //Set return value
+    mpRightMost = right;
+}
+
+//Straight forward ( I think )
+void SmCaretPosGraphBuildingVisitor::Visit( SmBinHorNode* pNode )
+{
+    for( auto pChild : *pNode )
+    {
+        if(!pChild)
+            continue;
+        pChild->Accept( this );
+    }
+}
+void SmCaretPosGraphBuildingVisitor::Visit( SmUnHorNode* pNode )
+{
+    // Unary operator node
+    for( auto pChild : *pNode )
+    {
+        if(!pChild)
+            continue;
+        pChild->Accept( this );
+    }
+}
+
+void SmCaretPosGraphBuildingVisitor::Visit( SmExpressionNode* pNode )
+{
+    for( auto pChild : *pNode )
+    {
+        if(!pChild)
+            continue;
+        pChild->Accept( this );
+    }
+}
+
+void SmCaretPosGraphBuildingVisitor::Visit( SmFontNode* pNode )
+{
+    //Has only got one child, should act as an expression if possible
+    for( auto pChild : *pNode )
+    {
+        if(!pChild)
+            continue;
+        pChild->Accept( this );
+    }
+}
+
+/** Build SmCaretPosGraph for SmBracebodyNode
+ * Acts as an SmExpressionNode
+ *
+ * Below is an example of a formula tree that has multiple children for SmBracebodyNode
+ * \dot
+ * digraph {
+ * labelloc = "t";
+ * label= "Equation: \"lbrace i mline i in setZ rbrace\"";
+ * n0 [label="SmTableNode"];
+ * n0 -> n1 [label="0"];
+ * n1 [label="SmLineNode"];
+ * n1 -> n2 [label="0"];
+ * n2 [label="SmExpressionNode"];
+ * n2 -> n3 [label="0"];
+ * n3 [label="SmBraceNode"];
+ * n3 -> n4 [label="0"];
+ * n4 [label="SmMathSymbolNode: {"];
+ * n3 -> n5 [label="1"];
+ * n5 [label="SmBracebodyNode"];
+ * n5 -> n6 [label="0"];
+ * n6 [label="SmExpressionNode"];
+ * n6 -> n7 [label="0"];
+ * n7 [label="SmTextNode: i"];
+ * n5 -> n8 [label="1"];
+ * n8 [label="SmMathSymbolNode: &#124;"]; // Unicode "VERTICAL LINE"
+ * n5 -> n9 [label="2"];
+ * n9 [label="SmExpressionNode"];
+ * n9 -> n10 [label="0"];
+ * n10 [label="SmBinHorNode"];
+ * n10 -> n11 [label="0"];
+ * n11 [label="SmTextNode: i"];
+ * n10 -> n12 [label="1"];
+ * n12 [label="SmMathSymbolNode: &#8712;"]; // Unicode "ELEMENT OF"
+ * n10 -> n13 [label="2"];
+ * n13 [label="SmMathSymbolNode: &#8484;"]; // Unicode "DOUBLE-STRUCK CAPITAL Z"
+ * n3 -> n14 [label="2"];
+ * n14 [label="SmMathSymbolNode: }"];
+ * }
+ * \enddot
+ */
+void SmCaretPosGraphBuildingVisitor::Visit( SmBracebodyNode* pNode )
+{
+    for( auto pChild : *pNode )
+    {
+        if(!pChild)
+            continue;
+        SmCaretPosGraphEntry* pStart = mpGraph->Add( SmCaretPos( pChild, 0), mpRightMost );
+        mpRightMost->SetRight( pStart );
+        mpRightMost = pStart;
+        pChild->Accept( this );
+    }
+}
+
+/** Build SmCaretPosGraph for SmAlignNode
+ * Acts as an SmExpressionNode, as it only has one child this okay
+ */
+void SmCaretPosGraphBuildingVisitor::Visit( SmAlignNode* pNode )
+{
+    for( auto pChild : *pNode )
+    {
+        if(!pChild)
+            continue;
+        pChild->Accept( this );
+    }
+}
+
+/** Build SmCaretPosGraph for SmRootNode
+ *
+ * Lines in an SmRootNode:
+ * \code
+ *    _________
+ *  A/
+ * \/    B
+ *
+ * \endcode
+ * A: pExtra ( optional, can be NULL ),
+ * B: pBody
+ *
+ * Graph over these, where "left" is before the SmRootNode and "right" is after:
+ * \dot
+ *  digraph Graph{
+ *      left -> B;
+ *      B -> right;
+ *      A -> B;
+ *  }
+ * \enddot
+ */
+void SmCaretPosGraphBuildingVisitor::Visit( SmRootNode* pNode )
+{
+    SmNode  *pExtra = pNode->GetSubNode( 0 ), //Argument, NULL for sqrt, and SmTextNode if cubicroot
+            *pBody  = pNode->GetSubNode( 2 ); //Body of the root
+    assert(pBody);
+
+    SmCaretPosGraphEntry  *left,
+                        *right,
+                        *bodyLeft,
+                        *bodyRight;
+
+    //Get left and save it
+    assert(mpRightMost);
+    left = mpRightMost;
+
+    //Create body left
+    bodyLeft = mpGraph->Add( SmCaretPos( pBody, 0 ), left );
+    left->SetRight( bodyLeft );
+
+    //Create right
+    right = mpGraph->Add( SmCaretPos( pNode, 1 ) );
+
+    //Visit body
+    mpRightMost = bodyLeft;
+    pBody->Accept( this );
+    bodyRight = mpRightMost;
+    bodyRight->SetRight( right );
+    right->SetLeft( bodyRight );
+
+    //Visit pExtra
+    if( pExtra ){
+        mpRightMost = mpGraph->Add( SmCaretPos( pExtra, 0 ), left );
+        pExtra->Accept( this );
+        mpRightMost->SetRight( bodyLeft );
+    }
+
+    mpRightMost = right;
+}
+
+
+/** Build SmCaretPosGraph for SmPlaceNode
+ * Consider this a single character.
+ */
+void SmCaretPosGraphBuildingVisitor::Visit( SmPlaceNode* pNode )
+{
+    SmCaretPosGraphEntry* right = mpGraph->Add( SmCaretPos( pNode, 1 ), mpRightMost );
+    mpRightMost->SetRight( right );
+    mpRightMost = right;
+}
+
+/** SmErrorNode is context dependent metadata, it can't be selected
+ *
+ * @remarks There's no point in deleting, copying and/or moving an instance
+ * of SmErrorNode as it may not exist in another context! Thus there are no
+ * positions to select an SmErrorNode.
+ */
+void SmCaretPosGraphBuildingVisitor::Visit( SmErrorNode* )
+{
+}
+
+/** Build SmCaretPosGraph for SmBlankNode
+ * Consider this a single character, as it is only a blank space
+ */
+void SmCaretPosGraphBuildingVisitor::Visit( SmBlankNode* pNode )
+{
+    SmCaretPosGraphEntry* right = mpGraph->Add( SmCaretPos( pNode, 1 ), mpRightMost );
+    mpRightMost->SetRight( right );
+    mpRightMost = right;
+}
+
+/** Build SmCaretPosGraph for SmBraceNode
+ *
+ * Lines in an SmBraceNode:
+ * \code
+ * |     |
+ * |  B  |
+ * |     |
+ * \endcode
+ * B: Body
+ *
+ * Graph over these, where "left" is before the SmBraceNode and "right" is after:
+ * \dot
+ *  digraph Graph{
+ *      left -> B;
+ *      B -> right;
+ *  }
+ * \enddot
+ */
+void SmCaretPosGraphBuildingVisitor::Visit( SmBraceNode* pNode )
+{
+    SmNode* pBody = pNode->Body();
+
+    SmCaretPosGraphEntry  *left = mpRightMost,
+                        *right = mpGraph->Add( SmCaretPos( pNode, 1 ) );
+
+    if( pBody->GetType() != SmNodeType::Bracebody ) {
+        mpRightMost = mpGraph->Add( SmCaretPos( pBody, 0 ), left );
+        left->SetRight( mpRightMost );
+    }else
+        mpRightMost = left;
+
+    pBody->Accept( this );
+    mpRightMost->SetRight( right );
+    right->SetLeft( mpRightMost );
+
+    mpRightMost = right;
+}
+
+/** Build SmCaretPosGraph for SmAttributeNode
+ *
+ * Lines in an SmAttributeNode:
+ * \code
+ *   Attr
+ *   Body
+ * \endcode
+ *
+ * There's a body and an attribute, the construction is used for "widehat A", where "A" is the body
+ * and "^" is the attribute ( note GetScaleMode( ) on SmAttributeNode tells how the attribute should be
+ * scaled ).
+ */
+void SmCaretPosGraphBuildingVisitor::Visit( SmAttributeNode* pNode )
+{
+    SmNode  *pAttr = pNode->Attribute(),
+            *pBody = pNode->Body();
+    assert(pAttr);
+    assert(pBody);
+
+    SmCaretPosGraphEntry  *left = mpRightMost,
+                        *attrLeft,
+                        *bodyLeft,
+                        *bodyRight,
+                        *right;
+
+    //Creating bodyleft
+    bodyLeft = mpGraph->Add( SmCaretPos( pBody, 0 ), left );
+    left->SetRight( bodyLeft );
+
+    //Creating right
+    right = mpGraph->Add( SmCaretPos( pNode, 1 ) );
+
+    //Visit the body
+    mpRightMost = bodyLeft;
+    pBody->Accept( this );
+    bodyRight = mpRightMost;
+    bodyRight->SetRight( right );
+    right->SetLeft( bodyRight );
+
+    //Create attrLeft
+    attrLeft = mpGraph->Add( SmCaretPos( pAttr, 0 ), left );
+
+    //Visit attribute
+    mpRightMost = attrLeft;
+    pAttr->Accept( this );
+    mpRightMost->SetRight( right );
+
+    //Set return value
+    mpRightMost = right;
+}
+
+//Consider these single symbols
+void SmCaretPosGraphBuildingVisitor::Visit( SmSpecialNode* pNode )
+{
+    SmCaretPosGraphEntry* right = mpGraph->Add( SmCaretPos( pNode, 1 ), mpRightMost );
+    mpRightMost->SetRight( right );
+    mpRightMost = right;
+}
+void SmCaretPosGraphBuildingVisitor::Visit( SmGlyphSpecialNode* pNode )
+{
+    SmCaretPosGraphEntry* right = mpGraph->Add( SmCaretPos( pNode, 1 ), mpRightMost );
+    mpRightMost->SetRight( right );
+    mpRightMost = right;
+}
+void SmCaretPosGraphBuildingVisitor::Visit( SmMathSymbolNode* pNode )
+{
+    SmCaretPosGraphEntry* right = mpGraph->Add( SmCaretPos( pNode, 1 ), mpRightMost );
+    mpRightMost->SetRight( right );
+    mpRightMost = right;
+}
+
+void SmCaretPosGraphBuildingVisitor::Visit( SmRootSymbolNode* )
+{
+    //Do nothing
+}
+
+void SmCaretPosGraphBuildingVisitor::Visit( SmRectangleNode* )
+{
+    //Do nothing
+}
+void SmCaretPosGraphBuildingVisitor::Visit( SmPolyLineNode* )
+{
+    //Do nothing
+}
+
+// SmCloningVisitor
+
+SmNode* SmCloningVisitor::Clone( SmNode* pNode )
+{
+    SmNode* pCurrResult = mpResult;
+    pNode->Accept( this );
+    SmNode* pClone = mpResult;
+    mpResult = pCurrResult;
+    return pClone;
+}
+
+void SmCloningVisitor::CloneNodeAttr( SmNode const * pSource, SmNode* pTarget )
+{
+    pTarget->SetScaleMode( pSource->GetScaleMode( ) );
+    //Other attributes are set when prepare or arrange is executed
+    //and may depend on stuff not being cloned here.
+}
+
+void SmCloningVisitor::CloneKids( SmStructureNode* pSource, SmStructureNode* pTarget )
+{
+    //Cache current result
+    SmNode* pCurrResult = mpResult;
+
+    //Create array for holding clones
+    size_t nSize = pSource->GetNumSubNodes( );
+    SmNodeArray aNodes( nSize );
+
+    //Clone children
+    for (size_t i = 0; i < nSize; ++i)
+    {
+        SmNode* pKid;
+        if( nullptr != ( pKid = pSource->GetSubNode( i ) ) )
+            pKid->Accept( this );
+        else
+            mpResult = nullptr;
+        aNodes[i] = mpResult;
+    }
+
+    //Set subnodes of pTarget
+    pTarget->SetSubNodes( std::move(aNodes) );
+
+    //Restore result as where prior to call
+    mpResult = pCurrResult;
+}
+
+void SmCloningVisitor::Visit( SmTableNode* pNode )
+{
+    SmTableNode* pClone = new SmTableNode( pNode->GetToken( ) );
+    pClone->SetSelection( pNode->GetSelection() );
+    CloneNodeAttr( pNode, pClone );
+    CloneKids( pNode, pClone );
+    mpResult = pClone;
+}
+
+void SmCloningVisitor::Visit( SmBraceNode* pNode )
+{
+    SmBraceNode* pClone = new SmBraceNode( pNode->GetToken( ) );
+    pClone->SetSelection( pNode->GetSelection() );
+    CloneNodeAttr( pNode, pClone );
+    CloneKids( pNode, pClone );
+    mpResult = pClone;
+}
+
+void SmCloningVisitor::Visit( SmBracebodyNode* pNode )
+{
+    SmBracebodyNode* pClone = new SmBracebodyNode( pNode->GetToken( ) );
+    pClone->SetSelection( pNode->GetSelection() );
+    CloneNodeAttr( pNode, pClone );
+    CloneKids( pNode, pClone );
+    mpResult = pClone;
+}
+
+void SmCloningVisitor::Visit( SmOperNode* pNode )
+{
+    SmOperNode* pClone = new SmOperNode( pNode->GetToken( ) );
+    pClone->SetSelection( pNode->GetSelection() );
+    CloneNodeAttr( pNode, pClone );
+    CloneKids( pNode, pClone );
+    mpResult = pClone;
+}
+
+void SmCloningVisitor::Visit( SmAlignNode* pNode )
+{
+    SmAlignNode* pClone = new SmAlignNode( pNode->GetToken( ) );
+    pClone->SetSelection( pNode->GetSelection() );
+    CloneNodeAttr( pNode, pClone );
+    CloneKids( pNode, pClone );
+    mpResult = pClone;
+}
+
+void SmCloningVisitor::Visit( SmAttributeNode* pNode )
+{
+    SmAttributeNode* pClone = new SmAttributeNode( pNode->GetToken( ) );
+    pClone->SetSelection( pNode->GetSelection() );
+    CloneNodeAttr( pNode, pClone );
+    CloneKids( pNode, pClone );
+    mpResult = pClone;
+}
+
+void SmCloningVisitor::Visit( SmFontNode* pNode )
+{
+    SmFontNode* pClone = new SmFontNode( pNode->GetToken( ) );
+    pClone->SetSelection( pNode->GetSelection() );
+    pClone->SetSizeParameter( pNode->GetSizeParameter( ), pNode->GetSizeType( ) );
+    CloneNodeAttr( pNode, pClone );
+    CloneKids( pNode, pClone );
+    mpResult = pClone;
+}
+
+void SmCloningVisitor::Visit( SmUnHorNode* pNode )
+{
+    SmUnHorNode* pClone = new SmUnHorNode( pNode->GetToken( ) );
+    pClone->SetSelection( pNode->GetSelection() );
+    CloneNodeAttr( pNode, pClone );
+    CloneKids( pNode, pClone );
+    mpResult = pClone;
+}
+
+void SmCloningVisitor::Visit( SmBinHorNode* pNode )
+{
+    SmBinHorNode* pClone = new SmBinHorNode( pNode->GetToken( ) );
+    pClone->SetSelection( pNode->GetSelection() );
+    CloneNodeAttr( pNode, pClone );
+    CloneKids( pNode, pClone );
+    mpResult = pClone;
+}
+
+void SmCloningVisitor::Visit( SmBinVerNode* pNode )
+{
+    SmBinVerNode* pClone = new SmBinVerNode( pNode->GetToken( ) );
+    pClone->SetSelection( pNode->GetSelection() );
+    CloneNodeAttr( pNode, pClone );
+    CloneKids( pNode, pClone );
+    mpResult = pClone;
+}
+
+void SmCloningVisitor::Visit( SmBinDiagonalNode* pNode )
+{
+    SmBinDiagonalNode *pClone = new SmBinDiagonalNode( pNode->GetToken( ) );
+    pClone->SetSelection( pNode->GetSelection() );
+    pClone->SetAscending( pNode->IsAscending( ) );
+    CloneNodeAttr( pNode, pClone );
+    CloneKids( pNode, pClone );
+    mpResult = pClone;
+}
+
+void SmCloningVisitor::Visit( SmSubSupNode* pNode )
+{
+    SmSubSupNode *pClone = new SmSubSupNode( pNode->GetToken( ) );
+    pClone->SetSelection( pNode->GetSelection() );
+    pClone->SetUseLimits( pNode->IsUseLimits( ) );
+    CloneNodeAttr( pNode, pClone );
+    CloneKids( pNode, pClone );
+    mpResult = pClone;
+}
+
+void SmCloningVisitor::Visit( SmMatrixNode* pNode )
+{
+    SmMatrixNode *pClone = new SmMatrixNode( pNode->GetToken( ) );
+    pClone->SetSelection( pNode->GetSelection() );
+    pClone->SetRowCol( pNode->GetNumRows( ), pNode->GetNumCols( ) );
+    CloneNodeAttr( pNode, pClone );
+    CloneKids( pNode, pClone );
+    mpResult = pClone;
+}
+
+void SmCloningVisitor::Visit( SmPlaceNode* pNode )
+{
+    mpResult = new SmPlaceNode( pNode->GetToken( ) );
+    mpResult->SetSelection( pNode->GetSelection() );
+    CloneNodeAttr( pNode, mpResult );
+}
+
+void SmCloningVisitor::Visit( SmTextNode* pNode )
+{
+    SmTextNode* pClone = new SmTextNode( pNode->GetToken( ), pNode->GetFontDesc( ) );
+    pClone->SetSelection( pNode->GetSelection() );
+    pClone->ChangeText( pNode->GetText( ) );
+    CloneNodeAttr( pNode, pClone );
+    mpResult = pClone;
+}
+
+void SmCloningVisitor::Visit( SmSpecialNode* pNode )
+{
+    mpResult = new SmSpecialNode( pNode->GetToken( ) );
+    mpResult->SetSelection( pNode->GetSelection() );
+    CloneNodeAttr( pNode, mpResult );
+}
+
+void SmCloningVisitor::Visit( SmGlyphSpecialNode* pNode )
+{
+    mpResult = new SmGlyphSpecialNode( pNode->GetToken( ) );
+    mpResult->SetSelection( pNode->GetSelection() );
+    CloneNodeAttr( pNode, mpResult );
+}
+
+void SmCloningVisitor::Visit( SmMathSymbolNode* pNode )
+{
+    mpResult = new SmMathSymbolNode( pNode->GetToken( ) );
+    mpResult->SetSelection( pNode->GetSelection() );
+    CloneNodeAttr( pNode, mpResult );
+}
+
+void SmCloningVisitor::Visit( SmBlankNode* pNode )
+{
+    SmBlankNode* pClone = new SmBlankNode( pNode->GetToken( ) );
+    pClone->SetSelection( pNode->GetSelection() );
+    pClone->SetBlankNum( pNode->GetBlankNum( ) );
+    mpResult = pClone;
+    CloneNodeAttr( pNode, mpResult );
+}
+
+void SmCloningVisitor::Visit( SmErrorNode* pNode )
+{
+    mpResult = new SmErrorNode( pNode->GetToken( ) );
+    mpResult->SetSelection( pNode->GetSelection() );
+    CloneNodeAttr( pNode, mpResult );
+}
+
+void SmCloningVisitor::Visit( SmLineNode* pNode )
+{
+    SmLineNode* pClone = new SmLineNode( pNode->GetToken( ) );
+    pClone->SetSelection( pNode->GetSelection() );
+    CloneNodeAttr( pNode, pClone );
+    CloneKids( pNode, pClone );
+    mpResult = pClone;
+}
+
+void SmCloningVisitor::Visit( SmExpressionNode* pNode )
+{
+    SmExpressionNode* pClone = new SmExpressionNode( pNode->GetToken( ) );
+    pClone->SetSelection( pNode->GetSelection() );
+    CloneNodeAttr( pNode, pClone );
+    CloneKids( pNode, pClone );
+    mpResult = pClone;
+}
+
+void SmCloningVisitor::Visit( SmPolyLineNode* pNode )
+{
+    mpResult = new SmPolyLineNode( pNode->GetToken( ) );
+    mpResult->SetSelection( pNode->GetSelection() );
+    CloneNodeAttr( pNode, mpResult );
+}
+
+void SmCloningVisitor::Visit( SmRootNode* pNode )
+{
+    SmRootNode* pClone = new SmRootNode( pNode->GetToken( ) );
+    pClone->SetSelection( pNode->GetSelection() );
+    CloneNodeAttr( pNode, pClone );
+    CloneKids( pNode, pClone );
+    mpResult = pClone;
+}
+
+void SmCloningVisitor::Visit( SmRootSymbolNode* pNode )
+{
+    mpResult = new SmRootSymbolNode( pNode->GetToken( ) );
+    mpResult->SetSelection( pNode->GetSelection() );
+    CloneNodeAttr( pNode, mpResult );
+}
+
+void SmCloningVisitor::Visit( SmRectangleNode* pNode )
+{
+    mpResult = new SmRectangleNode( pNode->GetToken( ) );
+    mpResult->SetSelection( pNode->GetSelection() );
+    CloneNodeAttr( pNode, mpResult );
+}
+
+void SmCloningVisitor::Visit( SmVerticalBraceNode* pNode )
+{
+    SmVerticalBraceNode* pClone = new SmVerticalBraceNode( pNode->GetToken( ) );
+    pClone->SetSelection( pNode->GetSelection() );
+    CloneNodeAttr( pNode, pClone );
+    CloneKids( pNode, pClone );
+    mpResult = pClone;
+}
+
+// SmSelectionDrawingVisitor
+
+SmSelectionDrawingVisitor::SmSelectionDrawingVisitor( OutputDevice& rDevice, SmNode* pTree, const Point& rOffset )
+    : SmSelectionRectanglesVisitor( rDevice, pTree )
+{
+    //Draw selection if there's any
+    if(GetSelection().IsEmpty())        return;
+
+    tools::Rectangle aSelectionArea = GetSelection() + rOffset;
+
+    //Save device state
+    rDevice.Push( vcl::PushFlags::LINECOLOR | vcl::PushFlags::FILLCOLOR );
+    //Change colors
+    rDevice.SetLineColor( );
+    rDevice.SetFillColor( COL_LIGHTGRAY );
+
+    //Draw rectangle
+    rDevice.DrawRect( aSelectionArea );
+
+    //Restore device state
+    rDevice.Pop( );
+}
+
+// SmSelectionRectanglesVisitor
+
+SmSelectionRectanglesVisitor::SmSelectionRectanglesVisitor(OutputDevice& rDevice, SmNode* pTree)
+    : mrDev(rDevice)
+{
+    // Visit everything
+    SAL_WARN_IF(!pTree, "starmath", "pTree can't be null!");
+    if (pTree)
+        pTree->Accept(this);
+}
+
+void SmSelectionRectanglesVisitor::DefaultVisit( SmNode* pNode )
+{
+    if( pNode->IsSelected( ) )
+        ExtendSelectionArea( pNode->AsRectangle( ) );
+    VisitChildren( pNode );
+}
+
+void SmSelectionRectanglesVisitor::VisitChildren( SmNode* pNode )
+{
+    if(pNode->GetNumSubNodes() == 0)
+        return;
+    for( auto pChild : *static_cast<SmStructureNode*>(pNode) )
+    {
+        if(!pChild)
+            continue;
+        pChild->Accept( this );
+    }
+}
+
+void SmSelectionRectanglesVisitor::Visit( SmTextNode* pNode )
+{
+    if( !pNode->IsSelected())
+        return;
+
+    mrDev.Push( vcl::PushFlags::TEXTCOLOR | vcl::PushFlags::FONT );
+
+    mrDev.SetFont( pNode->GetFont( ) );
+    Point Position = pNode->GetTopLeft( );
+    tools::Long left   = Position.getX( ) + mrDev.GetTextWidth( pNode->GetText( ), 0, pNode->GetSelectionStart( ) );
+    tools::Long right  = Position.getX( ) + mrDev.GetTextWidth( pNode->GetText( ), 0, pNode->GetSelectionEnd( ) );
+    tools::Long top    = Position.getY( );
+    tools::Long bottom = top + pNode->GetHeight( );
+    tools::Rectangle rect( left, top, right, bottom );
+
+    ExtendSelectionArea( rect );
+
+    mrDev.Pop( );
+}
+
+// SmNodeToTextVisitor
+
+SmNodeToTextVisitor::SmNodeToTextVisitor( SmNode* pNode, OUString &rText )
+{
+    pNode->Accept( this );
+    maCmdText.stripEnd(' ');
+    rText = maCmdText.makeStringAndClear();
+}
+
+void SmNodeToTextVisitor::Visit( SmTableNode* pNode )
+{
+    if( pNode->GetToken( ).eType == TBINOM ) {
+        Append(u"{ binom");
+        LineToText( pNode->GetSubNode( 0 ) );
+        LineToText( pNode->GetSubNode( 1 ) );
+        Append(u"} ");
+    } else if( pNode->GetToken( ).eType == TSTACK ) {
+        Append(u"stack{ ");
+        bool bFirst = true;
+        for( auto pChild : *pNode )
+        {
+            if(!pChild)
+                continue;
+            if(bFirst)
+                bFirst = false;
+            else
+            {
+                Separate( );
+                Append(u"# ");
+            }
+            LineToText( pChild );
+        }
+        Separate( );
+        Append(u"}");
+    } else { //Assume it's a toplevel table, containing lines
+        bool bFirst = true;
+        for( auto pChild : *pNode )
+        {
+            if(!pChild)
+                continue;
+            if(bFirst)
+                bFirst = false;
+            else
+            {
+                Separate( );
+                Append(u"newline");
+            }
+            Separate( );
+            pChild->Accept( this );
+        }
+    }
+}
+
+void SmNodeToTextVisitor::Visit( SmBraceNode* pNode )
+{
+    if ( pNode->GetToken().eType == TEVALUATE )
+    {
+        SmNode *pBody = pNode->Body();
+        Append(u"evaluate { ");
+        pBody->Accept( this );
+        Append(u"} ");
+    }
+    else{
+        SmNode *pLeftBrace  = pNode->OpeningBrace(),
+               *pBody       = pNode->Body(),
+               *pRightBrace = pNode->ClosingBrace();
+        //Handle special case where it's absolute function
+        if( pNode->GetToken( ).eType == TABS ) {
+            Append(u"abs");
+            LineToText( pBody );
+        } else {
+            if( pNode->GetScaleMode( ) == SmScaleMode::Height )
+                Append(u"left ");
+            pLeftBrace->Accept( this );
+            Separate( );
+            pBody->Accept( this );
+            Separate( );
+            if( pNode->GetScaleMode( ) == SmScaleMode::Height )
+                Append(u"right ");
+            pRightBrace->Accept( this );
+        }
+    }
+}
+
+void SmNodeToTextVisitor::Visit( SmBracebodyNode* pNode )
+{
+    for( auto pChild : *pNode )
+    {
+        if(!pChild)
+            continue;
+        Separate( );
+        pChild->Accept( this );
+    }
+}
+
+void SmNodeToTextVisitor::Visit( SmOperNode* pNode )
+{
+    Append( pNode->GetToken( ).aText );
+    Separate( );
+    if( pNode->GetToken( ).eType == TOPER ){
+        //There's an SmGlyphSpecialNode if eType == TOPER
+        if( pNode->GetSubNode( 0 )->GetType( ) == SmNodeType::SubSup )
+            Append( pNode->GetSubNode( 0 )->GetSubNode( 0 )->GetToken( ).aText );
+        else
+            Append( pNode->GetSubNode( 0 )->GetToken( ).aText );
+    }
+    if( pNode->GetSubNode( 0 )->GetType( ) == SmNodeType::SubSup ) {
+        SmSubSupNode *pSubSup = static_cast<SmSubSupNode*>( pNode->GetSubNode( 0 ) );
+        SmNode* pChild = pSubSup->GetSubSup( LSUP );
+        if( pChild ) {
+            Separate( );
+            Append(u"lsup { ");
+            LineToText( pChild );
+            Append(u"} ");
+        }
+        pChild = pSubSup->GetSubSup( LSUB );
+        if( pChild ) {
+            Separate( );
+            Append(u"lsub { ");
+            LineToText( pChild );
+            Append(u"} ");
+        }
+        pChild = pSubSup->GetSubSup( RSUP );
+        if( pChild ) {
+            Separate( );
+            Append(u"^ { ");
+            LineToText( pChild );
+            Append(u"} ");
+        }
+        pChild = pSubSup->GetSubSup( RSUB );
+        if( pChild ) {
+            Separate( );
+            Append(u"_ { ");
+            LineToText( pChild );
+            Append(u"} ");
+        }
+        pChild = pSubSup->GetSubSup( CSUP );
+        if( pChild ) {
+            Separate( );
+            if (pSubSup->IsUseLimits())
+                Append(u"to { ");
+            else
+                Append(u"csup { ");
+            LineToText( pChild );
+            Append(u"} ");
+        }
+        pChild = pSubSup->GetSubSup( CSUB );
+        if( pChild ) {
+            Separate( );
+            if (pSubSup->IsUseLimits())
+                Append(u"from { ");
+            else
+                Append(u"csub { ");
+            LineToText( pChild );
+            Append(u"} ");
+        }
+    }
+    LineToText( pNode->GetSubNode( 1 ) );
+}
+
+void SmNodeToTextVisitor::Visit( SmAlignNode* pNode )
+{
+    Append( pNode->GetToken( ).aText );
+    LineToText( pNode->GetSubNode( 0 ) );
+}
+
+void SmNodeToTextVisitor::Visit( SmAttributeNode* pNode )
+{
+    Append( pNode->GetToken( ).aText );
+    LineToText( pNode->Body() );
+}
+
+void SmNodeToTextVisitor::Visit( SmFontNode* pNode )
+{
+    sal_uInt32 nc;
+    sal_uInt8  nr, ng, nb;
+    switch ( pNode->GetToken( ).eType )
+    {
+        case TBOLD:
+            Append(u"bold ");
+            break;
+        case TNBOLD:
+            Append(u"nbold ");
+            break;
+        case TITALIC:
+            Append(u"italic ");
+            break;
+        case TNITALIC:
+            Append(u"nitalic ");
+            break;
+        case TPHANTOM:
+            Append(u"phantom ");
+            break;
+        case TSIZE:
+            {
+                Append(u"size ");
+                switch ( pNode->GetSizeType( ) )
+                {
+                    case FontSizeType::PLUS:
+                        Append(u"+");
+                        break;
+                    case FontSizeType::MINUS:
+                        Append(u"-");
+                        break;
+                    case FontSizeType::MULTIPLY:
+                        Append(u"*");
+                        break;
+                    case FontSizeType::DIVIDE:
+                        Append(u"/");
+                        break;
+                    case FontSizeType::ABSOLUT:
+                    default:
+                        break;
+                }
+                Append( ::rtl::math::doubleToUString(
+                            static_cast<double>( pNode->GetSizeParameter( ) ),
+                            rtl_math_StringFormat_Automatic,
+                            rtl_math_DecimalPlaces_Max, '.', true ) );
+                Separate( );
+            }
+            break;
+
+        case TDVIPSNAMESCOL:
+            Append(u"color dvip ");
+            nc = pNode->GetToken().cMathChar.toUInt32(16);
+            Append( starmathdatabase::Identify_Color_Parser( nc ).aIdent );
+            break;
+        case THTMLCOL:
+        case TMATHMLCOL:
+        case TICONICCOL:
+            Append(u"color ");
+            nc = pNode->GetToken().cMathChar.toUInt32(16);
+            Append( starmathdatabase::Identify_Color_Parser( nc ).aIdent );
+            break;
+        case TRGB:
+            nc = pNode->GetToken().cMathChar.toUInt32(16);
+            Append(u"color rgb ");
+            nb = nc % 256;
+            nc /= 256;
+            ng = nc % 256;
+            nc /= 256;
+            nr = nc % 256;
+            Append(OUString::number(nr));
+            Separate();
+            Append(OUString::number(ng));
+            Separate();
+            Append(OUString::number(nb));
+            Separate();
+            break;
+        case TRGBA:
+            Append(u"color rgba ");
+            nc = pNode->GetToken().cMathChar.toUInt32(16);
+            nb = nc % 256;
+            nc /= 256;
+            ng = nc % 256;
+            nc /= 256;
+            nr = nc % 256;
+            nc /= 256;
+            Append(OUString::number(nr));
+            Separate();
+            Append(OUString::number(ng));
+            Separate();
+            Append(OUString::number(nb));
+            Separate();
+            Append(OUString::number(nc));
+            Separate();
+            break;
+        case THEX:
+            Append(u"color hex ");
+            nc = pNode->GetToken().cMathChar.toUInt32(16);
+            Append(OUString::number(nc,16));
+            Separate();
+            break;
+        case TSANS:
+            Append(u"font sans ");
+            break;
+        case TSERIF:
+            Append(u"font serif ");
+            break;
+        case TFIXED:
+            Append(u"font fixed ");
+            break;
+        default:
+            break;
+    }
+    LineToText( pNode->GetSubNode( 1 ) );
+}
+
+void SmNodeToTextVisitor::Visit( SmUnHorNode* pNode )
+{
+    if(pNode->GetSubNode( 1 )->GetToken( ).eType == TFACT)
+    {
+        // visit children in the reverse order
+        for( auto it = pNode->rbegin(); it != pNode->rend(); ++it )
+        {
+            auto pChild = *it;
+            if(!pChild)
+                continue;
+            Separate( );
+            pChild->Accept( this );
+        }
+    }
+    else
+    {
+        for( auto pChild : *pNode )
+        {
+            if(!pChild)
+                continue;
+            Separate( );
+            pChild->Accept( this );
+        }
+    }
+}
+
+void SmNodeToTextVisitor::Visit( SmBinHorNode* pNode )
+{
+    const SmNode *pParent = pNode->GetParent();
+    bool bBraceNeeded = pParent;
+    SmNode *pLeft  = pNode->LeftOperand(),
+           *pOper  = pNode->Symbol(),
+           *pRight = pNode->RightOperand();
+    Separate( );
+    if (bBraceNeeded)
+        Append(u"{ ");
+    pLeft->Accept( this );
+    Separate( );
+    pOper->Accept( this );
+    Separate( );
+    pRight->Accept( this );
+    Separate( );
+    if (bBraceNeeded)
+        Append(u"} ");
+}
+
+void SmNodeToTextVisitor::Visit( SmBinVerNode* pNode )
+{
+    if( pNode->GetToken().eType == TOVER ){
+        SmNode *pNum    = pNode->GetSubNode( 0 ),
+               *pDenom  = pNode->GetSubNode( 2 );
+        Append(u"{ ");
+        LineToText( pNum );
+        Append(u"over");
+        LineToText( pDenom );
+        Append(u"} ");
+    } else{
+        SmNode *pNum    = pNode->GetSubNode( 0 ),
+               *pDenom  = pNode->GetSubNode( 2 );
+        Append(u"{ frac {");
+        LineToText( pNum );
+        Append(u"} {");
+        LineToText( pDenom );
+        Append(u"} }");
+    }
+}
+
+void SmNodeToTextVisitor::Visit( SmBinDiagonalNode* pNode )
+{
+    SmNode *pLeftOperand  = pNode->GetSubNode( 0 ),
+           *pRightOperand = pNode->GetSubNode( 1 );
+    Append(u"{ ");
+    LineToText( pLeftOperand );
+    Separate( );
+    Append(u"wideslash ");
+    LineToText( pRightOperand );
+    Append(u"} ");
+}
+
+void SmNodeToTextVisitor::Visit( SmSubSupNode* pNode )
+{
+    if( pNode->GetToken().eType == TEVALUATE )
+    {
+        Append(u"evaluate { ");
+        pNode->GetSubNode( 0 )->GetSubNode( 1 )->Accept(this);
+        Append(u"} ");
+        SmNode* pChild = pNode->GetSubSup( RSUP );
+        if( pChild ) {
+            Separate( );
+            Append(u"to { ");
+            LineToText( pChild );
+            Append(u"} ");
+        }
+        pChild = pNode->GetSubSup( RSUB );
+        if( pChild ) {
+            Separate( );
+            Append(u"from { ");
+            LineToText( pChild );
+            Append(u"} ");
+        }
+    }
+    else
+    {
+        LineToText( pNode->GetBody( ) );
+        SmNode *pChild = pNode->GetSubSup( LSUP );
+        if( pChild ) {
+            Separate( );
+            Append(u"lsup ");
+            LineToText( pChild );
+        }
+        pChild = pNode->GetSubSup( LSUB );
+        if( pChild ) {
+            Separate( );
+            Append(u"lsub ");
+            LineToText( pChild );
+        }
+        pChild = pNode->GetSubSup( RSUP );
+        if( pChild ) {
+            Separate( );
+            Append(u"^ ");
+            LineToText( pChild );
+        }
+        pChild = pNode->GetSubSup( RSUB );
+        if( pChild ) {
+            Separate( );
+            Append(u"_ ");
+            LineToText( pChild );
+        }
+        pChild = pNode->GetSubSup( CSUP );
+        if( pChild ) {
+            Separate( );
+            if (pNode->IsUseLimits())
+                Append(u"to ");
+            else
+                Append(u"csup ");
+            LineToText( pChild );
+        }
+        pChild = pNode->GetSubSup( CSUB );
+        if( pChild ) {
+            Separate( );
+            if (pNode->IsUseLimits())
+                Append(u"from ");
+            else
+                Append(u"csub ");
+            LineToText( pChild );
+        }
+    }
+}
+
+void SmNodeToTextVisitor::Visit( SmMatrixNode* pNode )
+{
+    Append(u"matrix{");
+    for (size_t i = 0; i < pNode->GetNumRows(); ++i)
+    {
+        for (size_t j = 0; j < pNode->GetNumCols( ); ++j)
+        {
+            SmNode* pSubNode = pNode->GetSubNode( i * pNode->GetNumCols( ) + j );
+            Separate( );
+            if (pSubNode)
+                pSubNode->Accept( this );
+            Separate( );
+            if (j != pNode->GetNumCols() - 1U)
+                Append(u"#");
+        }
+        Separate( );
+        if (i != pNode->GetNumRows() - 1U)
+            Append(u"##");
+    }
+    Append(u"} ");
+}
+
+void SmNodeToTextVisitor::Visit( SmPlaceNode* )
+{
+    Append(u"<?>");
+}
+
+void SmNodeToTextVisitor::Visit( SmTextNode* pNode )
+{
+    SmTokenType type = pNode->GetToken( ).eType;
+    switch(type){
+        case TTEXT:
+            Append(u"\"");
+            Append( pNode->GetToken().aText );
+            Append(u"\"");
+            break;
+        case TNUMBER:
+            Append( pNode->GetToken().aText );
+            break;
+        case TIDENT:
+            Append( pNode->GetToken().aText );
+            break;
+        case TFUNC:
+            Append(u"func ");
+            Append( pNode->GetToken().aText );
+            break;
+        case THEX:
+            Append(u"hex ");
+            Append( pNode->GetToken().aText );
+            break;
+        default:
+            Append( pNode->GetToken().aText );
+    }
+    Separate( );
+}
+
+void SmNodeToTextVisitor::Visit( SmSpecialNode* pNode )
+{
+    SmTokenType type = pNode->GetToken().eType;
+    switch(type){
+        case TLIMSUP:
+            Append(u"lim sup ");
+            break;
+        case TLIMINF:
+            Append(u"lim inf ");
+            break;
+        default:
+            Append( pNode->GetToken().aText );
+            break;
+    }
+}
+
+void SmNodeToTextVisitor::Visit( SmGlyphSpecialNode* pNode )
+{
+    if( pNode->GetToken( ).eType == TBOPER )
+        Append(u"boper ");
+    else
+        Append(u"uoper ");
+    Append( pNode->GetToken( ).aText );
+}
+
+//TODO to improve this it is required to improve mathmlimport.
+void SmNodeToTextVisitor::Visit( SmMathSymbolNode* pNode )
+{
+    if (    ( pNode->GetToken().nGroup & TG::LBrace )
+         || ( pNode->GetToken().nGroup & TG::RBrace )
+         || ( pNode->GetToken().nGroup & TG::Sum )
+         || ( pNode->GetToken().nGroup & TG::Product )
+         || ( pNode->GetToken().nGroup & TG::Relation )
+         || ( pNode->GetToken().nGroup & TG::UnOper )
+         || ( pNode->GetToken().nGroup & TG::Oper )
+    ) {
+        Append( pNode->GetToken().aText );
+        return;
+    }
+    sal_Unicode cChar = pNode->GetToken().cMathChar[0];
+    Separate( );
+    switch(cChar){
+        case MS_NONE:
+            Append(u"none");
+            break;
+        case '{':
+            Append(u"{");
+            break;
+        case '}':
+            Append(u"}");
+            break;
+        case MS_VERTLINE:
+            Append(u"mline");
+            break;
+        case MS_TILDE:
+            Append(u"\"~\"");
+            break;
+        case MS_RIGHTARROW:
+            if( pNode->GetToken().eType == TTOWARD ) Append(u"toward");
+            else Append(u"rightarrow");
+            break;
+        case MS_LEFTARROW:
+            Append(u"leftarrow");
+            break;
+        case MS_UPARROW:
+            Append(u"uparrow");
+            break;
+        case MS_DOWNARROW:
+            Append(u"downarrow");
+            break;
+        case MS_LAMBDABAR:
+            Append(u"lambdabar");
+            break;
+        case MS_DOTSLOW:
+            Append(u"dotslow");
+            break;
+        case MS_SETC:
+            Append(u"setC");
+            break;
+        case MS_HBAR:
+            Append(u"hbar");
+            break;
+        case MS_IM:
+            Append(u"Im");
+            break;
+        case MS_SETN:
+            Append(u"setN");
+            break;
+        case MS_WP:
+            Append(u"wp");
+            break;
+        case MS_LAPLACE:
+            Append(u"laplace");
+            break;
+        case MS_SETQ:
+            Append(u"setQ");
+            break;
+        case MS_RE:
+            Append(u"Re");
+            break;
+        case MS_SETR:
+            Append(u"setR");
+            break;
+        case MS_SETZ:
+            Append(u"setZ");
+            break;
+        case MS_ALEPH:
+            Append(u"aleph");
+            break;
+        case 0x0362:
+            Append(u"widevec");
+            break;
+        case MS_DLARROW:
+            Append(u"dlarrow");
+            break;
+        case MS_DRARROW:
+            Append(u"drarrow");
+            break;
+        case MS_DLRARROW:
+            Append(u"dlrarrow");
+            break;
+        case MS_FORALL:
+            Append(u"forall");
+            break;
+        case MS_PARTIAL:
+            Append(u"partial");
+            break;
+        case MS_EXISTS:
+            Append(u"exists");
+            break;
+        case MS_NOTEXISTS:
+            Append(u"notexists");
+            break;
+        case MS_EMPTYSET:
+            Append(u"emptyset");
+            break;
+        case MS_NABLA:
+            Append(u"nabla");
+            break;
+        case MS_BACKEPSILON:
+            Append(u"backepsilon");
+            break;
+        case MS_CIRC:
+            Append(u"circ");
+            break;
+        case MS_INFINITY:
+            Append(u"infinity");
+            break;
+        case 0x22b2: // NORMAL SUBGROUP OF
+            Append(OUStringChar(cChar));
+            break;
+        case 0x22b3: // CONTAINS AS NORMAL SUBGROUP
+            Append(OUStringChar(cChar));
+            break;
+        case MS_ORTHO:
+            Append(u"ortho");
+            break;
+        case MS_DOTSVERT:
+            Append(u"dotsvert");
+            break;
+        case MS_DOTSAXIS:
+            Append(u"dotsaxis");
+            break;
+        case MS_DOTSUP:
+            Append(u"dotsup");
+            break;
+        case MS_DOTSDOWN:
+            Append(u"dotsdown");
+            break;
+        case '^':
+            Append(u"^");
+            break;
+        case 0xe091:
+            Append(u"widehat");
+            break;
+        case 0xe096:
+            Append(u"widetilde");
+            break;
+        case 0xe098:
+            Append(u"widevec");
+            break;
+        case 0xeb01:    //no space
+        case 0xeb08:    //normal space
+            break;
+        case 0xef04:    //tiny space
+        case 0xef05:    //tiny space
+        case 0xeb02:    //small space
+        case 0xeb04:    //medium space
+            Append(u"`");
+            break;
+        case 0xeb05:    //large space
+            Append(u"~");
+            break;
+        case 0x3a9:
+            Append(u"%OMEGA");
+            break;
+        default:
+            Append(OUStringChar(cChar));
+            break;
+    }
+}
+
+void SmNodeToTextVisitor::Visit( SmBlankNode* pNode )
+{
+    sal_uInt16 nNum = pNode->GetBlankNum();
+    if (nNum <= 0)
+        return;
+    sal_uInt16 nWide = nNum / 4;
+    sal_uInt16 nNarrow = nNum % 4;
+    for (sal_uInt16 i = 0; i < nWide; i++)
+        Append(u"~");
+    for (sal_uInt16 i = 0; i < nNarrow; i++)
+        Append(u"`");
+    Append(u" ");
+}
+
+void SmNodeToTextVisitor::Visit( SmErrorNode* )
+{
+    // Add something for error nodes so that we can parse this back.
+    Append(u"{}");
+}
+
+void SmNodeToTextVisitor::Visit( SmLineNode* pNode )
+{
+    for( auto pChild : *pNode )
+    {
+        if(!pChild)
+            continue;
+        Separate( );
+        pChild->Accept( this );
+    }
+}
+
+void SmNodeToTextVisitor::Visit( SmExpressionNode* pNode )
+{
+    bool bracketsNeeded = pNode->GetNumSubNodes() != 1;
+    if (!bracketsNeeded)
+    {
+        const SmNode *pParent = pNode->GetParent();
+        // nested subsups
+        bracketsNeeded =
+            pParent && pParent->GetType() == SmNodeType::SubSup &&
+            pNode->GetNumSubNodes() == 1 &&
+            pNode->GetSubNode(0)->GetType() == SmNodeType::SubSup;
+    }
+
+    if (bracketsNeeded) {
+        Append(u"{ ");
+    }
+    for( auto pChild : *pNode )
+    {
+        if(!pChild)
+            continue;
+        pChild->Accept( this );
+        Separate( );
+    }
+    if (bracketsNeeded) {
+        Append(u"} ");
+    }
+}
+
+void SmNodeToTextVisitor::Visit( SmPolyLineNode* )
+{
+}
+
+void SmNodeToTextVisitor::Visit( SmRootNode* pNode )
+{
+    SmNode *pExtra   = pNode->GetSubNode( 0 ),
+           *pBody    = pNode->GetSubNode( 2 );
+    if( pExtra ) {
+        Append(u"nroot");
+        LineToText( pExtra );
+    } else
+        Append(u"sqrt");
+    LineToText( pBody );
+}
+
+void SmNodeToTextVisitor::Visit( SmRootSymbolNode* )
+{
+}
+
+void SmNodeToTextVisitor::Visit( SmRectangleNode* )
+{
+}
+
+void SmNodeToTextVisitor::Visit( SmVerticalBraceNode* pNode )
+{
+    SmNode *pBody   = pNode->Body(),
+           *pScript = pNode->Script();
+    LineToText( pBody );
+    Append( pNode->GetToken( ).aText );
+    LineToText( pScript );
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/wordexportbase.cxx b/starmath/source/wordexportbase.cxx
new file mode 100644
index 0000000000..adf1a275c3
--- /dev/null
+++ b/starmath/source/wordexportbase.cxx
@@ -0,0 +1,184 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include "wordexportbase.hxx"
+#include <sal/log.hxx>
+#include <osl/diagnose.h>
+
+SmWordExportBase::SmWordExportBase(const SmNode* pIn)
+    : m_pTree(pIn)
+{
+}
+
+SmWordExportBase::~SmWordExportBase() = default;
+
+void SmWordExportBase::HandleNode(const SmNode* pNode, int nLevel)
+{
+    SAL_INFO("starmath.wordbase",
+             "Node: " << nLevel << " " << int(pNode->GetType()) << " " << pNode->GetNumSubNodes());
+    switch (pNode->GetType())
+    {
+        case SmNodeType::Attribute:
+            HandleAttribute(static_cast<const SmAttributeNode*>(pNode), nLevel);
+            break;
+        case SmNodeType::Text:
+            HandleText(pNode, nLevel);
+            break;
+        case SmNodeType::VerticalBrace:
+            HandleVerticalBrace(static_cast<const SmVerticalBraceNode*>(pNode), nLevel);
+            break;
+        case SmNodeType::Brace:
+            HandleBrace(static_cast<const SmBraceNode*>(pNode), nLevel);
+            break;
+        case SmNodeType::Oper:
+            HandleOperator(static_cast<const SmOperNode*>(pNode), nLevel);
+            break;
+        case SmNodeType::UnHor:
+            HandleUnaryOperation(static_cast<const SmUnHorNode*>(pNode), nLevel);
+            break;
+        case SmNodeType::BinHor:
+            HandleBinaryOperation(static_cast<const SmBinHorNode*>(pNode), nLevel);
+            break;
+        case SmNodeType::BinVer:
+            HandleFractions(pNode, nLevel, nullptr);
+            break;
+        case SmNodeType::Root:
+            HandleRoot(static_cast<const SmRootNode*>(pNode), nLevel);
+            break;
+        case SmNodeType::Special:
+        {
+            auto pText = static_cast<const SmTextNode*>(pNode);
+            //if the token str and the result text are the same then this
+            //is to be seen as text, else assume it's a mathchar
+            if (pText->GetText() == pText->GetToken().aText)
+                HandleText(pText, nLevel);
+            else
+                HandleMath(pText, nLevel);
+            break;
+        }
+        case SmNodeType::Math:
+        case SmNodeType::MathIdent:
+            HandleMath(pNode, nLevel);
+            break;
+        case SmNodeType::SubSup:
+            HandleSubSupScript(static_cast<const SmSubSupNode*>(pNode), nLevel);
+            break;
+        case SmNodeType::Expression:
+            HandleAllSubNodes(pNode, nLevel);
+            break;
+        case SmNodeType::Table:
+            //Root Node, PILE equivalent, i.e. vertical stack
+            HandleTable(pNode, nLevel);
+            break;
+        case SmNodeType::Matrix:
+            HandleMatrix(static_cast<const SmMatrixNode*>(pNode), nLevel);
+            break;
+        case SmNodeType::Line:
+        {
+            // TODO
+            HandleAllSubNodes(pNode, nLevel);
+        }
+        break;
+#if 0
+    case SmNodeType::Align:
+        HandleMAlign(pNode,nLevel);
+        break;
+#endif
+        case SmNodeType::Place:
+            // explicitly do nothing, MSOffice treats that as a placeholder if item is missing
+            break;
+        case SmNodeType::Blank:
+            HandleBlank();
+            break;
+        default:
+            HandleAllSubNodes(pNode, nLevel);
+            break;
+    }
+}
+
+//Root Node, PILE equivalent, i.e. vertical stack
+void SmWordExportBase::HandleTable(const SmNode* pNode, int nLevel)
+{
+    //The root of the starmath is a table, if
+    //we convert this them each iteration of
+    //conversion from starmath to Word will
+    //add an extra unnecessary level to the
+    //Word output stack which would grow
+    //without bound in a multi step conversion
+    if (nLevel || pNode->GetNumSubNodes() > 1)
+        HandleVerticalStack(pNode, nLevel);
+    else
+        HandleAllSubNodes(pNode, nLevel);
+}
+
+void SmWordExportBase::HandleAllSubNodes(const SmNode* pNode, int nLevel)
+{
+    int size = pNode->GetNumSubNodes();
+    for (int i = 0; i < size; ++i)
+    {
+        // TODO remove when all types of nodes are handled properly
+        if (pNode->GetSubNode(i) == nullptr)
+        {
+            SAL_WARN("starmath.wordbase", "Subnode is NULL, parent node not handled properly");
+            continue;
+        }
+        HandleNode(pNode->GetSubNode(i), nLevel + 1);
+    }
+}
+
+void SmWordExportBase::HandleUnaryOperation(const SmUnHorNode* pNode, int nLevel)
+{
+    // update HandleMath() when adding new items
+    SAL_INFO("starmath.wordbase", "Unary: " << int(pNode->GetToken().eType));
+
+    HandleAllSubNodes(pNode, nLevel);
+}
+
+void SmWordExportBase::HandleBinaryOperation(const SmBinHorNode* pNode, int nLevel)
+{
+    SAL_INFO("starmath.wordbase", "Binary: " << int(pNode->Symbol()->GetToken().eType));
+    // update HandleMath() when adding new items
+    switch (pNode->Symbol()->GetToken().eType)
+    {
+        case TDIVIDEBY:
+            return HandleFractions(pNode, nLevel, "lin");
+        default:
+            HandleAllSubNodes(pNode, nLevel);
+            break;
+    }
+}
+
+void SmWordExportBase::HandleMath(const SmNode* pNode, int nLevel)
+{
+    SAL_INFO("starmath.wordbase", "Math: " << int(pNode->GetToken().eType));
+    switch (pNode->GetToken().eType)
+    {
+        case TDIVIDEBY:
+        case TACUTE:
+            OSL_ASSERT(false);
+            [[fallthrough]]; // the above are handled elsewhere, e.g. when handling BINHOR
+        default:
+            HandleText(pNode, nLevel);
+            break;
+    }
+}
+
+void SmWordExportBase::HandleSubSupScript(const SmSubSupNode* pNode, int nLevel)
+{
+    // set flags to a bitfield of which sub/sup items exists
+    int flags = (pNode->GetSubSup(CSUB) != nullptr ? (1 << CSUB) : 0)
+                | (pNode->GetSubSup(CSUP) != nullptr ? (1 << CSUP) : 0)
+                | (pNode->GetSubSup(RSUB) != nullptr ? (1 << RSUB) : 0)
+                | (pNode->GetSubSup(RSUP) != nullptr ? (1 << RSUP) : 0)
+                | (pNode->GetSubSup(LSUB) != nullptr ? (1 << LSUB) : 0)
+                | (pNode->GetSubSup(LSUP) != nullptr ? (1 << LSUP) : 0);
+    HandleSubSupScriptInternal(pNode, nLevel, flags);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/wordexportbase.hxx b/starmath/source/wordexportbase.hxx
new file mode 100644
index 0000000000..33a179d05f
--- /dev/null
+++ b/starmath/source/wordexportbase.hxx
@@ -0,0 +1,48 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include <node.hxx>
+
+/**
+ Base class implementing writing of formulas to Word.
+ */
+class SmWordExportBase
+{
+public:
+    explicit SmWordExportBase(const SmNode* pIn);
+    virtual ~SmWordExportBase();
+
+protected:
+    void HandleNode(const SmNode* pNode, int nLevel);
+    void HandleAllSubNodes(const SmNode* pNode, int nLevel);
+    void HandleTable(const SmNode* pNode, int nLevel);
+    virtual void HandleVerticalStack(const SmNode* pNode, int nLevel) = 0;
+    virtual void HandleText(const SmNode* pNode, int nLevel) = 0;
+    void HandleMath(const SmNode* pNode, int nLevel);
+    virtual void HandleFractions(const SmNode* pNode, int nLevel, const char* type) = 0;
+    void HandleUnaryOperation(const SmUnHorNode* pNode, int nLevel);
+    void HandleBinaryOperation(const SmBinHorNode* pNode, int nLevel);
+    virtual void HandleRoot(const SmRootNode* pNode, int nLevel) = 0;
+    virtual void HandleAttribute(const SmAttributeNode* pNode, int nLevel) = 0;
+    virtual void HandleOperator(const SmOperNode* pNode, int nLevel) = 0;
+    void HandleSubSupScript(const SmSubSupNode* pNode, int nLevel);
+    virtual void HandleSubSupScriptInternal(const SmSubSupNode* pNode, int nLevel, int flags) = 0;
+    virtual void HandleMatrix(const SmMatrixNode* pNode, int nLevel) = 0;
+    virtual void HandleBrace(const SmBraceNode* pNode, int nLevel) = 0;
+    virtual void HandleVerticalBrace(const SmVerticalBraceNode* pNode, int nLevel) = 0;
+    virtual void HandleBlank() = 0;
+    const SmNode* GetTree() const { return m_pTree; }
+
+private:
+    const SmNode* const m_pTree;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
author	Daniel Baumann <daniel.baumann@progress-linux.org>	2024-04-15 05:54:39 +0000
committer	Daniel Baumann <daniel.baumann@progress-linux.org>	2024-04-15 05:54:39 +0000
commit	267c6f2ac71f92999e969232431ba04678e7437e (patch)
tree	358c9467650e1d0a1d7227a21dac2e3d08b622b2 /starmath/source
parent	Initial commit. (diff)
download	libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.tar.xz libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.zip