public void undo() throws CannotUndoException {
public void undo() throws CannotUndoException {   super.undo();
	public void undo() throws CannotUndoException {		// Variables		int				index;		UndoableEdit	current;		// Loop through all contained UndoableEdits		for (index = edits.size() - 1; index >= 0; index--) {			current = (UndoableEdit) edits.elementAt(index);			current.undo();		} // for: index	} // undo()