+ DECLARE_SCHEME_CALLBACK (print, (SCM));
+
+ DECLARE_GROB_INTERFACE();
+ static void try_collapse (Grob *);
+ static Stencil staff_bracket (Grob *, Real);
+ static Stencil old_staff_bracket (Grob *, Real);
+ static Stencil staff_brace (Grob *, Real);
+ static Stencil simple_bar (Grob *, Real);
+ static Stencil line_bracket (Grob *, Real);