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[lyx.git] / src / Undo.h

diff --git a/src/Undo.h b/src/Undo.h
index 8b482d2582446c13d1399a1997284b712051e7d3..fbfb9e7dbbb3dc40ef3ca1f2fd27725dec470ab1 100644 (file)
--- a/src/Undo.h
+++ b/src/Undo.h
@@ -22,11 +22,8 @@
 namespace lyx {
 
 class Buffer;
-class BufferParams;
 class CursorData;
 class Inset;
-class MathData;
-class ParagraphList;
 
 /// This is used to combine consecutive undo recordings of the same kind.
 enum UndoKind {
@@ -133,19 +130,18 @@ private:
 
 /** Helper class to simplify the use of undo groups across several buffers.
  *
- *  The undo group is created when the object is instanciated; it is
- *  then ended as the object goes out of scope or the buffer is reset
- *  (see below)
+ *  The undo group is open when the object is instantiated or when
+ *  the buffer is reset; it is then ended as the object goes out of
+ *  scope (see below)
  */
 class UndoGroupHelper {
 public:
+       // Begin a new undo group for buffer \c buf.
        UndoGroupHelper(Buffer * buf);
-
+       // End all active undo groups.
        ~UndoGroupHelper();
 
-       /** Close the current undo group if necessary and create a new one
-        * for buffer \c buf.
-        */
+       // Begin if needed an undo group for buffer \c buf.
        void resetBuffer(Buffer * buf);
 
 private: