(self-alignment-X . ,CENTER)
(stencil . ,ly:text-interface::print)
(vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
(Y-extent . ,grob::always-Y-extent-from-stencil)
(self-alignment-X . ,CENTER)
(stencil . ,ly:text-interface::print)
(vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
(Y-extent . ,grob::always-Y-extent-from-stencil)