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diff --git a/src/gui/editors/guitar/ChordMap.h b/src/gui/editors/guitar/ChordMap.h
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+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Rosegarden
+    A MIDI and audio sequencer and musical notation editor.
+
+    This program is Copyright 2000-2008
+        Guillaume Laurent   <glaurent@telegraph-road.org>,
+        Chris Cannam        <cannam@all-day-breakfast.com>,
+        Richard Bown        <richard.bown@ferventsoftware.com>
+
+    The moral rights of Guillaume Laurent, Chris Cannam, and Richard
+    Bown to claim authorship of this work have been asserted.
+
+    Other copyrights also apply to some parts of this work.  Please
+    see the AUTHORS file and individual file headers for details.
+
+    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.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#ifndef _RG_CHORDMAP_H_
+#define _RG_CHORDMAP_H_
+
+#include "Chord.h"
+
+#include <qstringlist.h>
+#include <set>
+
+namespace Rosegarden
+{
+
+namespace Guitar
+{
+
+class ChordMap
+{
+    typedef std::set<Chord, Chord::ChordCmp> chordset; 
+
+public:
+    typedef std::vector<Chord> chordarray;
+
+    typedef chordset::iterator iterator;
+    typedef chordset::const_iterator const_iterator;
+
+    static int FILE_FORMAT_VERSION_MAJOR;
+    static int FILE_FORMAT_VERSION_MINOR;
+    static int FILE_FORMAT_VERSION_POINT;
+    
+	ChordMap();
+    
+    void insert(const Chord&);
+    void substitute(const Chord& oldChord, const Chord& newChord);
+    void remove(const Chord&);
+    
+    chordarray getChords(const QString& root, const QString& ext) const;
+    
+    QStringList getRootList() const;
+    QStringList getExtList(const QString& root) const;
+    
+    void debugDump() const;
+    
+    bool needSave() const { return m_needSave; }
+    void clearNeedSave() { m_needSave = false; }
+
+    bool saveDocument(const QString& filename, bool userChordsOnly, QString& errMsg);
+
+    iterator begin() { return m_map.begin(); }
+    iterator end()   { return m_map.end();   }
+    const_iterator begin() const { return m_map.begin(); }
+    const_iterator end()   const { return m_map.end(); }
+    
+protected:
+
+    chordset m_map;
+    
+    bool m_needSave;
+};
+
+}
+
+}
+
+#endif /*_RG_CHORDMAP2_H_*/