gitlabhq/gitlabhq — pull request #7866 by cirosantilli (2014-09-26 15:17:37+00:00)
Title: Use button type=submit instead of input.

Starting from IE7 they are the same, and button is more flexible as it can contain HTML. Let's use button everywhere then: http://stackoverflow.com/questions/7117639/input-type-submit-vs-button-tag-are-they-interchangeable (Rails adds `type="submit"` by default).