+ return arr;
+}
+
+void
+Pointer_group_interface::add_grob (Grob *me, SCM sym, Grob *p)
+{
+ Grob_array *arr = get_grob_array (me, sym);
+ arr->add (p);
+}
+
+void
+Pointer_group_interface::add_unordered_grob (Grob *me, SCM sym, Grob *p)
+{
+ Grob_array *arr = get_grob_array (me, sym);