yeoman/grunt-usemin — pull request #248 by alekstorm (2013-11-28 01:01:51+00:00)
Title: Properly handle search and hash URL components in FileProcessor:

Strip them off before searching for the filename, and restore them after transforming it.

Especially useful for third-party CSS like `url('../font/fontawesome-webfont.eot?v=3.2.1')`.