(ly:stencil? (cadr stencils)))
(let* ((tail (stack-stencil-line space (cdr stencils)))
(head (car stencils))
- (xoff (+ space (cdr (ly:stencil-extent head X)))))
+ (xoff (+ space (interval-length (ly:stencil-extent head X)))))
(ly:stencil-add head
(ly:stencil-translate-axis tail xoff X)))
(car stencils))