+ DECLARE_GROB_INTERFACE();
+ DECLARE_SCHEME_CALLBACK (print, (SCM));
+ DECLARE_SCHEME_CALLBACK (percent, (SCM));
+ static void add_column (Grob *, Item *);
+ DECLARE_SCHEME_CALLBACK (set_spacing_rods, (SCM));
+ DECLARE_SCHEME_CALLBACK (set_text_rods, (SCM));
+ DECLARE_SCHEME_CALLBACK (centered_stencil, (SCM));