bounds all of them). However, we can't exclude an axis-group that
adds to its childrens' stencil. Currently, this is just TrillPitchGroup;
hence the check for note-head-interface. */
bounds all of them). However, we can't exclude an axis-group that
adds to its childrens' stencil. Currently, this is just TrillPitchGroup;
hence the check for note-head-interface. */