django/django — pull request #87 by davedash (2012-05-21 19:42:44+00:00)
Title: Language codes can include numbers, e.g. es-419 is Spanish for LatAm and...

... Carribean.

Sorry I didn't add a test-case or anything else, but the test case is that

parse_accept_lang_header('es-419') would result in (('es-419', 1.0),) or something ;)