"Draw a box round @var{arg}. Looks at @code{thickness} and
@code{box-padding} to determine line thickness and padding around the
markup."
- (let ((th (chain-assoc-get props 'thickness 0.1))
- (pad (chain-assoc-get props 'box-padding 0.2))
+ (let ((th (chain-assoc-get 'thickness props 0.1))
+ (pad (chain-assoc-get 'box-padding props 0.2))
(m (interpret-markup paper props arg)))
(box-stencil m th pad)))