I've included this patch (and some other adjustments) in my [branch] of the IkiWiki Git repository. I'm using the new code in my [blog][].
-[branch]: http://www.physics.drexel.edu./~wking/code/git/git.php?p=ikiwiki.git
+[branch]: http://github.com/wking/ikiwiki
[blog]: http://www.physics.drexel.edu/~wking/unfolding-disasters/posts/yacc2dot/
usage