twbs/bootstrap — pull request #13024 by cvrebert (2014-03-12 02:42:29+00:00)
Title: add role="alert" to Alert examples, to improve accessibility

Per https://github.com/paypal/bootstrap-accessibility-plugin/blob/d8fcbcd3fe86f0cb47fda0ffe269b2c7a2131f07/README.md#alert