(if (and (equal? nm object-name)
(procedure? cb))
(begin
- (ly:grob-set-property! grob 'stencil Balloon_interface::print)
+ (ly:grob-set-property! grob 'stencil ly:balloon-interface::print)
(set! (ly:grob-property grob 'original-stencil) cb)
(set! (ly:grob-property grob 'balloon-text) text)
(set! (ly:grob-property grob 'balloon-text-offset) off)