`(,ly:grob::stencil-height . ,pure-stencil-height)
`(,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)
`(,ly:axis-group-interface::height . ,ly:axis-group-interface::pure-height)
`(,ly:grob::stencil-height . ,pure-stencil-height)
`(,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)
`(,ly:axis-group-interface::height . ,ly:axis-group-interface::pure-height)