playframework/playframework — pull request #3139 by danielnixon (2014-07-05 10:47:08+00:00)
Title: Add missing lang attributes for improved accessibility

See http://www.w3.org/TR/UNDERSTANDING-WCAG20/meaning-doc-lang-id.html and http://www.w3.org/TR/WCAG20-TECHS/H57.html.