silverstripe/sapphire — pull request #349 by halkyon (2012-04-19 02:16:44+00:00)
Title: ENHANCEMENT EmailField now uses type="email"

This has the benefit of allowing email validation in the browser, when using the required="required" attribute.
If using an old browser, the "email" type will fallback to "text" so it degrades gracefully in old browsers.