(define (check-dangling-properties prop)
(if (not (object-property prop 'iface-marked))
(ly:error (string-append "define-grob-properties.scm: "
(_ "cannot find interface for property: ~S")) prop)))
(define (check-dangling-properties prop)
(if (not (object-property prop 'iface-marked))
(ly:error (string-append "define-grob-properties.scm: "
(_ "cannot find interface for property: ~S")) prop)))