- (X-offset . ,(ly:make-simple-closure
- `(,+
- ,(ly:make-simple-closure
- (list ly:self-alignment-interface::x-aligned-on-self))
- ,(ly:make-simple-closure
- (list ly:self-alignment-interface::x-centered-on-y-parent)))))
- (Y-offset . ,side-position-interface::y-aligned-side)