((eq? style 'rounded-box) 3)
(else 0))))))
(cond
+ ((eq? style 'special) stil)
((eq? style 'outline) (stencil-whiteout-outline stil thick))
((eq? style 'rounded-box) (stencil-whiteout-box stil thick (* 2 thick)))
(else (stencil-whiteout-box stil thick)))))