+MAKE_SCHEME_CALLBACK (Dot_column,force_shift_callback,2);
+SCM
+Dot_column::force_shift_callback (SCM element_smob, SCM axis)
+{
+ Grob *me = unsmob_grob (element_smob);
+ Axis a = (Axis) gh_scm2int (axis);
+ assert (a == Y_AXIS);
+ me = me->get_parent (X_AXIS);
+ SCM l = me->get_grob_property ("dots");
+ do_shifts (l);
+ return gh_double2scm (0.0);
+}