yesodweb/yesod — Issue #195: canonisation of language string for i18n
Author: piyush-kurur
Created: 2011-12-30 14:42:10+00:00
State: open

User agents can have varied behavior when it comes to what is sent in the Accept-Language header for example it
could send either en_US or en_us for English with US dialect. For ease of matching convert everything to lower case