twbs/bootstrap — pull request #15269 by cvrebert (2014-12-02 20:56:00+00:00)
Title: Whitelist <li role="separator">...</li>

Makes our HTML validator Grunt task ignore spurious errors about `
`.
Refs https://www.w3.org/Bugs/Public/show_bug.cgi?id=27120 and #15263.
CC: @patrickhlauke