*/
Grob *maybe_nc = stem->get_parent (X_AXIS)->get_parent (X_AXIS);
bool whole_note = Stem::duration_log (stem) <= 0;
- if (whole_note && Note_collision_interface::has_interface (maybe_nc))
+ if (whole_note && has_interface<Note_collision_interface> (maybe_nc))
{
Drul_array<bool> avoid_me (false, false);
vector<int> all_nhps = Note_collision_interface::note_head_positions (maybe_nc);