+
+LY_DEFINE (ly_staff_symbol_line_thickness, "ly:staff-symbol-line-thickness",
+ 1, 0, 0, (SCM grob),
+ "Returns the @code{line-thickness} of the staff associated"
+ " with @var{grob}.")
+{
+ LY_ASSERT_SMOB (Grob, grob, 1);
+ Grob *g = unsmob_grob (grob);
+ Real thickness = Staff_symbol_referencer::line_thickness (g);
+ return scm_from_double (thickness);
+}
+
+LY_DEFINE (ly_staff_symbol_staff_space, "ly:staff-symbol-staff-space",
+ 1, 0, 0, (SCM grob),
+ "Returns the @code{staff-space} of the staff associated"
+ " with @var{grob}.")
+{
+ LY_ASSERT_SMOB (Grob, grob, 1);
+ Grob *g = unsmob_grob (grob);
+ Real staff_space = Staff_symbol_referencer::staff_space (g);
+ return scm_from_double (staff_space);
+}