twitter/bootstrap — pull request #1881 by cwiederspan (2012-02-09 21:38:17+00:00)
Title: Fix IE bug in the docs.css for "docked" sub navbar in fixed position.

Added an overriding filter: progid:DXImageTransform.Microsoft.gradient(enabled=false) to the .subnav-fixed class that fixes the bug caused on nav dropdown menus when "docked" in the fixed position.