art = ly_cdr (art);
SCM force_dir = l->get_mus_property ("direction");
- if (isdir_b (force_dir) && !to_dir (force_dir))
+ if (ly_dir_p (force_dir) && !to_dir (force_dir))
force_dir = ly_car (art);
art = ly_cdr (art);
SCM priority = ly_car (art);
- if (isdir_b (force_dir) && to_dir (force_dir))
+ if (ly_dir_p (force_dir) && to_dir (force_dir))
p->set_grob_property ("direction", force_dir);
else if (to_dir (relative_stem_dir))
p->set_grob_property ("side-relative-direction", relative_stem_dir);