+ /*
+ translate REST; we need the result of this translation later on,
+ while the offset probably still is 0/calculation-in-progress.
+ */
+ rest_grob->translate_axis (scm_to_double (offset), Y_AXIS);
+
+ if (Note_column::has_interface (parent))
+ force_shift_callback (parent->self_scm ());
+
+ return scm_from_double (0.0);
+}