-/// where is c-0 in the staff?
-class Clef_engraver : public Engraver {
- Clef_item * clef_p_;
- Clef_change_req * clef_req_l_;
- void create_clef();
- bool set_type (String);
-protected:
- virtual void do_process_requests();
- virtual void do_pre_move_processing();
- virtual void do_creation_processing();
- virtual void do_post_move_processing();
- virtual bool do_try_music (Music*);
- virtual void acknowledge_element (Score_element_info);