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diff --git a/sw/source/core/inc/ftnfrm.hxx b/sw/source/core/inc/ftnfrm.hxx
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+++ b/sw/source/core/inc/ftnfrm.hxx
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+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_SW_SOURCE_CORE_INC_FTNFRM_HXX
+#define INCLUDED_SW_SOURCE_CORE_INC_FTNFRM_HXX
+
+#include "layfrm.hxx"
+
+class SwContentFrame;
+class SwRootFrame;
+class SwTextNode;
+class SwTextFootnote;
+class SwBorderAttrs;
+class SwFootnoteFrame;
+
+void sw_RemoveFootnotes( SwFootnoteBossFrame* pBoss, bool bPageOnly, bool bEndNotes );
+
+namespace sw {
+
+void RemoveFootnotesForNode(
+        SwRootFrame const& rLayout, SwTextNode const& rTextNode,
+        std::vector<std::pair<sal_Int32, sal_Int32>> const*const pExtents);
+
+}
+
+// There exists a special container frame on a page for footnotes. It's called
+// SwFootnoteContFrame. Each footnote is separated by a SwFootnoteFrame which contains
+// the text frames of a footnote. SwFootnoteFrame can be split and will then
+// continue on another page.
+class SwFootnoteContFrame: public SwLayoutFrame
+{
+    static SwFootnoteFrame* AddChained(bool bAppend, SwFrame *pNewUpper, bool bDefaultFormat);
+
+public:
+    SwFootnoteContFrame( SwFrameFormat*, SwFrame* );
+
+    const SwFootnoteFrame* FindFootNote() const;
+
+    static inline SwFootnoteFrame* AppendChained(SwFrame* pThis, bool bDefaultFormat);
+    static inline SwFootnoteFrame* PrependChained(SwFrame* pThis, bool bDefaultFormat);
+
+    virtual SwTwips ShrinkFrame( SwTwips, bool bTst = false, bool bInfo = false ) override;
+    virtual SwTwips GrowFrame  ( SwTwips, bool bTst = false, bool bInfo = false ) override;
+    virtual void    Format( vcl::RenderContext* pRenderContext, const SwBorderAttrs *pAttrs = nullptr ) override;
+    virtual void    PaintSwFrameShadowAndBorder(
+        const SwRect&,
+        const SwPageFrame* pPage,
+        const SwBorderAttrs&) const override;
+    virtual void PaintSubsidiaryLines( const SwPageFrame*, const SwRect& ) const override;
+            void    PaintLine( const SwRect &, const SwPageFrame * ) const;
+};
+
+inline SwFootnoteFrame* SwFootnoteContFrame::AppendChained(SwFrame* pThis, bool bDefaultFormat)
+{
+    return AddChained(true, pThis, bDefaultFormat);
+}
+
+inline SwFootnoteFrame* SwFootnoteContFrame::PrependChained(SwFrame* pThis, bool bDefaultFormat)
+{
+    return AddChained(false, pThis, bDefaultFormat);
+}
+
+class SwFootnoteFrame: public SwLayoutFrame
+{
+    // Pointer to FootnoteFrame in which the footnote will be continued:
+    //  - 0     no following existent
+    //  - this  for the last one
+    //  - otherwise the following FootnoteFrame
+    SwFootnoteFrame     *mpFollow;
+    SwFootnoteFrame     *mpMaster;      // FootnoteFrame from which I am the following
+    SwContentFrame   *mpReference;         // in this ContentFrame is the footnote reference
+    SwTextFootnote     *mpAttribute;        // footnote attribute (for recognition)
+
+    // if true paragraphs in this footnote are NOT permitted to flow backwards
+    bool mbBackMoveLocked : 1;
+    // #i49383# - control unlock of position of lower anchored objects.
+    bool mbUnlockPosOfLowerObjs : 1;
+
+public:
+    SwFootnoteFrame( SwFrameFormat*, SwFrame*, SwContentFrame*, SwTextFootnote* );
+
+    virtual bool IsDeleteForbidden() const override;
+    virtual void Cut() override;
+    virtual void Paste( SwFrame* pParent, SwFrame* pSibling = nullptr ) override;
+
+    virtual void PaintSubsidiaryLines( const SwPageFrame*, const SwRect& ) const override;
+
+    bool operator<( const SwTextFootnote* pTextFootnote ) const;
+
+#ifdef DBG_UTIL
+    const SwContentFrame *GetRef() const;
+         SwContentFrame  *GetRef();
+#else
+    const SwContentFrame *GetRef() const    { return mpReference; }
+         SwContentFrame  *GetRef()          { return mpReference; }
+#endif
+    const SwContentFrame *GetRefFromAttr()  const;
+          SwContentFrame *GetRefFromAttr();
+
+    const SwFootnoteFrame *GetFollow() const   { return mpFollow; }
+          SwFootnoteFrame *GetFollow()         { return mpFollow; }
+
+    const SwFootnoteFrame *GetMaster() const   { return mpMaster; }
+          SwFootnoteFrame *GetMaster()         { return mpMaster; }
+
+    const SwTextFootnote   *GetAttr() const   { return mpAttribute; }
+          SwTextFootnote   *GetAttr()         { return mpAttribute; }
+
+    void SetFollow( SwFootnoteFrame *pNew ) { mpFollow = pNew; }
+    void SetMaster( SwFootnoteFrame *pNew ) { mpMaster = pNew; }
+    void SetRef   ( SwContentFrame *pNew ) { mpReference = pNew; }
+
+    void InvalidateNxtFootnoteCnts( SwPageFrame const * pPage );
+
+    void LockBackMove()     { mbBackMoveLocked = true; }
+    void UnlockBackMove()   { mbBackMoveLocked = false;}
+    bool IsBackMoveLocked() const { return mbBackMoveLocked; }
+
+    // prevents that the last content deletes the SwFootnoteFrame as well (Cut())
+    void ColLock()       { mbColLocked = true; }
+    void ColUnlock()     { mbColLocked = false; }
+
+    // #i49383#
+    void UnlockPosOfLowerObjs()
+    {
+        mbUnlockPosOfLowerObjs = true;
+    }
+    void KeepLockPosOfLowerObjs()
+    {
+        mbUnlockPosOfLowerObjs = false;
+    }
+    bool IsUnlockPosOfLowerObjs() const
+    {
+        return mbUnlockPosOfLowerObjs;
+    }
+
+    /** search for last content in the current footnote frame
+
+        OD 2005-12-02 #i27138#
+
+        @return SwContentFrame*
+        pointer to found last content frame. NULL, if none is found.
+    */
+    SwContentFrame* FindLastContent();
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */