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diff --git a/khexedit/lib/ksection.h b/khexedit/lib/ksection.h
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+/***************************************************************************
+                          ksection.h  -  description
+                             -------------------
+    begin                : Sun 22.06.2003
+    copyright            : (C) 2003 by Friedrich W. H. Kossebau
+    email                : Friedrich.W.H@Kossebau.de
+****************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This library is free software; you can redistribute it and/or         *
+ *   modify it under the terms of the GNU Library General Public           *
+ *   License version 2 as published by the Free Software Foundation.       *
+ *                                                                         *
+ ***************************************************************************/
+
+
+#ifndef KHE_KSECTION_H
+#define KHE_KSECTION_H
+
+
+#include "krange.h"
+
+namespace KHE
+{
+
+/** describes a section of indizes
+  *@author Friedrich W. H.  Kossebau
+  */
+class KSection : public KRange<int>
+{
+  public:
+    /** constructs a section
+     * @param SI starting index
+     * @param EI end index
+     */
+    KSection( int SI, int EI );
+    /** constructs a section
+     * @param SI starting index
+     * @param W width of the section
+     */
+    KSection( int SI, int W, bool );
+    KSection();
+    ~KSection();
+
+  public:
+    KSection &operator=( const KSection &S );
+
+  public:
+    bool operator==( const KSection &S ) const;
+
+  public:
+    void setByWidth( int S, int Width );
+    /** sets the first index of the section's range one behind the other's end
+      * If one of both is invalid the behaviour is undefined
+      */
+    void setStartBehind( KSection S );
+    /** sets the first index of the section's range one behind the other's end
+      * If one of both is invalid or the other' start is 0 the behaviour is undefined
+      */
+    void setEndBefore( KSection S );
+    /** sets the first index of the section's range to be width-1 before the end
+     * If the section is invalid the behaviour is undefined
+     */
+    void setStartByWidth( int Width );
+    /** sets the last index of the section's range to be width-1 behind the start
+      * If the section is invalid the behaviour is undefined
+      */
+    void setEndByWidth( int Width );
+    /** moves the range defined by a new start.
+     * If the range is invalid the behaviour is undefined
+     */
+    void moveToStart( int S );
+    /** moves the range defined by a new start.
+     * If the range is invalid the behaviour is undefined
+     */
+    void moveToEnd( int E );
+
+  public:
+    /**
+     * @return the numbered of included indizes or 0, if the section is invalid
+     */
+    int width() const;
+};
+
+
+inline KSection::KSection( int SI, int EI ) : KRange<int>(SI,EI) {}
+inline KSection::KSection( int SI, int W, bool ) : KRange<int>(SI,SI+W-1) {}
+inline KSection::KSection()  {}
+inline KSection::~KSection() {}
+
+inline bool KSection::operator==( const KSection &S ) const { return KRange<int>::operator==(S); }
+
+inline KSection &KSection::operator=( const KSection &S ) { KRange<int>::operator=(S); return *this; }
+
+inline int KSection::width() const { return isValid() ? end()-start()+1 : 0; }
+
+inline void KSection::setByWidth( int S, int Width )  { setStart( S ); setEnd( S+Width-1 ); }
+inline void KSection::setStartByWidth( int Width )  { setStart( end()-Width+1 ); }
+inline void KSection::setEndByWidth( int Width )    { setEnd( start()+Width-1 ); }
+inline void KSection::setStartBehind( KSection S )  { setStart( S.end()+1 ); }
+inline void KSection::setEndBefore( KSection S )    { setEnd( S.start()-1 ); }
+
+inline void KSection::moveToStart( int S ) { setEnd( S+width()-1 ); setStart( S ); }
+inline void KSection::moveToEnd( int E )   { setStart( E-width()+1 ); setEnd( E ); }
+}
+
+#endif