+ extract_grob_set (me, "note-heads", heads);
+ SCM style = heads[0]->get_property ("style");
+ if (attach && !scm_is_eq (style, ly_symbol2scm ("mensural"))
+ && !scm_is_eq (style, ly_symbol2scm ("neomensural"))
+ && !scm_is_eq (style, ly_symbol2scm ("petrucci")))