ruby/www.ruby-lang.org — pull request #114 by ryotarai (2013-04-30 13:07:05+00:00)
Title: Remove ML subscription form and merge instructions into mailing list page. (en)

As I wrote in issue #113, ML subscription form does not work.
So I removed the form and merges instructions to subscribe into mailing list page (`/en/community/mailing-lists/`)