- (y-ext (interval-widen (ly:stencil-extent stencil 1) padding))
- (y-rule (make-filled-box-stencil (cons 0 thickness) y-ext))
- (x-rule (make-filled-box-stencil
- (interval-widen x-ext thickness) (cons 0 thickness))))
+ (y-ext (interval-widen (ly:stencil-extent stencil 1) padding))
+ (y-rule (make-filled-box-stencil (cons 0 thickness) y-ext))
+ (x-rule (make-filled-box-stencil
+ (interval-widen x-ext thickness) (cons 0 thickness))))