Interval ext;
if (Note_column::has_interface (b))
{
- for (SCM s = b->get_property ("note-heads"); gh_pair_p (s); s =gh_cdr (s))
- ext.unite (unsmob_grob (gh_car (s))->extent (common, X_AXIS));
+ for (SCM s = b->get_property ("note-heads"); ly_pair_p (s); s =ly_cdr (s))
+ ext.unite (unsmob_grob (ly_car (s))->extent (common, X_AXIS));
}
if (ext.is_empty ())