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diff --git a/include/editeng/editund2.hxx b/include/editeng/editund2.hxx
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+++ b/include/editeng/editund2.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_EDITENG_EDITUND2_HXX
+#define INCLUDED_EDITENG_EDITUND2_HXX
+
+#include <config_options.h>
+#include <editeng/editengdllapi.h>
+#include <svl/undo.hxx>
+
+class EditEngine;
+
+class UNLESS_MERGELIBS(EDITENG_DLLPUBLIC) EditUndoManager : public SfxUndoManager
+{
+    using SfxUndoManager::Undo;
+    using SfxUndoManager::Redo;
+    friend class ImpEditEngine;
+
+    EditEngine* mpEditEngine;
+    void SetEditEngine(EditEngine* pNew);
+public:
+    EditUndoManager(sal_uInt16 nMaxUndoActionCount = 20);
+
+    virtual bool Undo() override;
+    virtual bool Redo() override;
+};
+
+
+// EditUndo
+
+class EDITENG_DLLPUBLIC EditUndo : public SfxUndoAction
+{
+private:
+    sal_uInt16   nId;
+    ViewShellId  mnViewShellId;
+    EditEngine*  mpEditEngine;
+
+public:
+    EditUndo(sal_uInt16 nI, EditEngine* pEE);
+    virtual ~EditUndo() override;
+
+    EditEngine* GetEditEngine() { return mpEditEngine;}
+
+    virtual void    Undo() override      = 0;
+    virtual void    Redo() override      = 0;
+
+    virtual bool    CanRepeat(SfxRepeatTarget&) const override;
+    virtual OUString GetComment() const override;
+    /// See SfxUndoAction::GetViewShellId().
+    ViewShellId GetViewShellId() const override;
+    sal_uInt16  GetId() const;
+};
+
+#endif // INCLUDED_EDITENG_EDITUND2_HXX
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */