static Grob *get_common_y (Grob *);
DECLARE_SCHEME_CALLBACK (print, (SCM));
DECLARE_SCHEME_CALLBACK (calc_positions, (SCM));
+ DECLARE_SCHEME_CALLBACK (calc_cross_staff, (SCM));
DECLARE_SCHEME_CALLBACK (brew_chord_bracket, (SCM));
DECLARE_SCHEME_CALLBACK (brew_chord_slur, (SCM));
DECLARE_SCHEME_CALLBACK (width, (SCM));