Support for negative reftest?

I wonder if it would be possible to add support for negative reftests,
ie two files who must not have the same rendering.

test:
אבג

test-ref:
<bdo dir="ltr">&#x5d0;&#x5d1;&#x5d2;</bdo>

Philippe

Received on Wednesday, 24 November 2010 16:41:38 UTC