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diff --git a/include/tools/tenccvt.hxx b/include/tools/tenccvt.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_TOOLS_TENCCVT_HXX
+#define INCLUDED_TOOLS_TENCCVT_HXX
+
+#include <rtl/textenc.h>
+#include <tools/toolsdllapi.h>
+
+// Functions for handling Import/Export
+
+/// return an encoding which has more defined Characters as the given
+/// encoding, but have the same definition for the defined characters
+/// e.g.: windows-1252 for iso-8859-1 or windows-1254 for iso-8859-9
+TOOLS_DLLPUBLIC rtl_TextEncoding GetExtendedCompatibilityTextEncoding(rtl_TextEncoding eEncoding);
+
+/// return an encoding which has more defined Characters as the given
+/// encoding. The encodings could be different.
+/// e.g.: windows-1251 for iso-8859-5
+TOOLS_DLLPUBLIC rtl_TextEncoding GetExtendedTextEncoding(rtl_TextEncoding eEncoding);
+
+/// if the given encoding is an multi-byte encoding (which allows more than
+/// one byte per char, e.g. UTF-8 or Shift-JIS), a one-byte encoding
+/// is returned (normally windows-1252).
+rtl_TextEncoding GetOneByteTextEncoding(rtl_TextEncoding eEncoding);
+
+TOOLS_DLLPUBLIC rtl_TextEncoding GetSOLoadTextEncoding(rtl_TextEncoding eEncoding);
+TOOLS_DLLPUBLIC rtl_TextEncoding GetSOStoreTextEncoding(rtl_TextEncoding eEncoding);
+
+/**
+ * Given a Unicode character, return a legacy Microsoft Encoding which
+ * supports it. Returns RTL_TEXTENCODING_DONTKNOW if there is
+ * no encoding which could support the character
+ *
+ * Useful as a utility to categorize unicode characters into the best fit
+ * windows charset range for exporting to ww6 & wmf or as a hint to non \u
+ * unicode token aware rtf readers
+ */
+TOOLS_DLLPUBLIC rtl_TextEncoding getBestMSEncodingByChar(sal_Unicode c);
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */