twbs/bootstrap — pull request #12521 by cvrebert (2014-02-02 07:28:43+00:00)
Title: add note to CONTRIBUTING.md about `outline: none`

Naive issues/PRs that add (or request adding) an `outline: none` seem to crop up every once in a while.

If the conditions for when this guidance is applicable can be expressed better than "Except in rare cases", be my guest in improving that part.