github/linguist — pull request #313 by greghendershott (2012-12-10 19:56:55+00:00)
Title: Use the "Racket" lexer for Racket.

Use the dedicated Racket lexer from https://github.com/tmm1/pygments.rb/pull/52,
which in turn pulls from https://bitbucket.org/birkenfeld/pygments-main/pull-request/94/add-lexer-for-racket-language/diff