- DECLARE_LISTENER (finish);
- DECLARE_LISTENER (prepare);
- DECLARE_LISTENER (one_time_step);
-
- /* Engraver_group_engraver interface */
- virtual void connect_to_context (Context *);
- virtual void disconnect_from_context ();
+ virtual void prepare (Moment mom);
+ virtual void finish ();
+ virtual void one_time_step ();