+Axis_group_interface::calc_pure_staff_staff_spacing (SCM smob, SCM start, SCM end)
+{
+ return calc_maybe_pure_staff_staff_spacing (unsmob_grob (smob),
+ true,
+ scm_to_int (start),
+ scm_to_int (end));
+}
+
+MAKE_SCHEME_CALLBACK (Axis_group_interface, calc_staff_staff_spacing, 1)
+SCM
+Axis_group_interface::calc_staff_staff_spacing (SCM smob)
+{
+ return calc_maybe_pure_staff_staff_spacing (unsmob_grob (smob),
+ false,
+ 0,
+ INT_MAX);
+}
+
+SCM
+Axis_group_interface::calc_maybe_pure_staff_staff_spacing (Grob *me, bool pure, int start, int end)