[racket] 2htdp/image question

From: Mark Engelberg (mark.engelberg at gmail.com)
Date: Fri Sep 10 17:23:48 EDT 2010

Why is it that
(empty-scene 100 100) produces a white scene with a black border
around all four edges, but
(place-image (circle 10 'solid 'red) 10 10 (empty-scene 100 100))
produces a scene with a black border only on its top and left edges?

(This is in Racket 5.0.1 on Windows)


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