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diff --git a/src/encoderlatex.h b/src/encoderlatex.h
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+/***************************************************************************
+*   Copyright (C) 2004-2006 by Thomas Fischer                             *
+*   fischer@unix-ag.uni-kl.de                                             *
+*                                                                         *
+*   This program is free software; you can redistribute it and/or modify  *
+*   it under the terms of the GNU General Public License as published by  *
+*   the Free Software Foundation; either version 2 of the License, or     *
+*   (at your option) any later version.                                   *
+*                                                                         *
+*   This program is distributed in the hope that it will be useful,       *
+*   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+*   GNU General Public License for more details.                          *
+*                                                                         *
+*   You should have received a copy of the GNU General Public License     *
+*   along with this program; if not, write to the                         *
+*   Free Software Foundation, Inc.,                                       *
+*   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+***************************************************************************/
+#ifndef ENCODERLATEX_H
+#define ENCODERLATEX_H
+
+#include <qvaluelist.h>
+#include <qregexp.h>
+
+#include <encoder.h>
+#include <entry.h>
+
+class QString;
+
+namespace BibTeX
+{
+
+    class EncoderLaTeX: public Encoder
+    {
+    public:
+        EncoderLaTeX();
+        ~EncoderLaTeX();
+
+        QString decode( const QString &text );
+        QString encode( const QString &text );
+        QString encode( const QString &text, const QChar &replace );
+        QString encodeSpecialized( const QString &text, const EntryField::FieldType fieldType = EntryField::ftUnknown );
+        QString& decomposedUTF8toLaTeX( QString &text );
+
+        static EncoderLaTeX *currentEncoderLaTeX();
+        static void deleteCurrentEncoderLaTeX();
+
+        static char unicodeToASCII( unsigned int unicode );
+
+    private:
+        static EncoderLaTeX *encoderLaTeX;
+
+        struct CombinedMappingItem
+        {
+            QRegExp regExp;
+            QString latex;
+        };
+
+        QValueList<CombinedMappingItem> m_combinedMapping;
+
+        void buildCombinedMapping();
+
+        struct CharMappingItem
+        {
+            QRegExp regExp;
+            QString unicode;
+            QString latex;
+        };
+
+        QValueList<CharMappingItem> m_charMapping;
+
+        void buildCharMapping();
+    };
+
+}
+
+#endif // ENCODERLATEX_H