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 {
*/
class UndoGroupHelper {
public:
- UndoGroupHelper(Buffer * buf = 0);
+ UndoGroupHelper(Buffer * buf);
~UndoGroupHelper();