virtual Engraver_group_engraver * find_engraver_l (String name,String id);
virtual void do_announces();
virtual void announce_element (Score_elem_info);
virtual void add (Engraver* grav_p);
virtual Engraver_group_engraver * find_engraver_l (String name,String id);
virtual void do_announces();
virtual void announce_element (Score_elem_info);
virtual void add (Engraver* grav_p);
virtual Translator* find_get_translator_l (String name, String id);
virtual Translator * get_default_interpreter();
virtual Translator* find_get_translator_l (String name, String id);
virtual Translator * get_default_interpreter();