plt/racket — pull request #338 by jbclements (2013-05-10 17:48:44+00:00)
Title: update a few parser-tools files to use #lang racket and rackunit

r? @elibarzilay

I've updated a few files in parser-tools to use #lang racket, and module+ test with rackunit. FWIW, it appears that some of these tests had been broken since before we moved to git.