ruby/www.ruby-lang.org — pull request #298 by ykzts (2013-09-07 11:50:39+00:00)
Title: Fix redirect for i18n

`window.navigator.language` is return an `undefined` when browse in Internet Explorer.

and

https://www.ruby-lang.org/en/install.html is redirect to https://www.ruby-lang.org/ja/downloads/