X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FUndo.h;h=fbfb9e7dbbb3dc40ef3ca1f2fd27725dec470ab1;hb=124e0fc2be2446f7182cba0e5b54961dc1cfab91;hp=8b482d2582446c13d1399a1997284b712051e7d3;hpb=967f4d661ec7f53ebb7cdb03e96dc70471781602;p=lyx.git

diff --git a/src/Undo.h b/src/Undo.h
index 8b482d2582..fbfb9e7dbb 100644
--- 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: