Encompass_info get_encompass_info (Grob *col) const;
Array<Extra_collision_info> get_extra_encompass_infos () const;
Real move_away_from_staffline (Real y, Grob *on_staff) const;
Encompass_info get_encompass_info (Grob *col) const;
Array<Extra_collision_info> get_extra_encompass_infos () const;
Real move_away_from_staffline (Real y, Grob *on_staff) const;