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diff --git a/src/commands/notation/DeCounterpointCommand.cpp b/src/commands/notation/DeCounterpointCommand.cpp
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+++ b/src/commands/notation/DeCounterpointCommand.cpp
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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   <[email protected]>,
+        Chris Cannam        <[email protected]>,
+        Richard Bown        <[email protected]>
+ 
+    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.
+*/
+
+
+#include "DeCounterpointCommand.h"
+
+#include "base/Segment.h"
+#include "base/SegmentNotationHelper.h"
+#include "base/Selection.h"
+#include "document/BasicSelectionCommand.h"
+#include <qstring.h>
+
+
+namespace Rosegarden
+{
+
+void
+DeCounterpointCommand::modifySegment()
+{
+    Segment &segment(getSegment());
+    SegmentNotationHelper helper(segment);
+
+    if (m_selection) {
+        EventSelection::RangeTimeList ranges(m_selection->getRangeTimes());
+        for (EventSelection::RangeTimeList::iterator i = ranges.begin();
+                i != ranges.end(); ++i) {
+            helper.deCounterpoint(i->first, i->second);
+            segment.normalizeRests(i->first, i->second);
+        }
+    } else {
+        helper.deCounterpoint(getStartTime(), getEndTime());
+        segment.normalizeRests(getStartTime(), getEndTime());
+    }
+}
+
+}