for (LEFT_and_RIGHT (d))
{
- if (Note_column::has_interface (bounds[d])
+ if (has_interface<Note_column> (bounds[d])
&& Note_column::get_stem (bounds[d]))
bounds[d] = Note_column::get_stem (bounds[d]);
bound_poss[d] = Axis_group_interface::generic_bound_extent (bounds[d], commonx, X_AXIS)[-d];