twitter/bootstrap — pull request #827 by kasperp (2011-12-19 18:33:35+00:00)
Title: Sub navigation bar

Added a suggestion of a sub navigation bar, which looks like this:

![Sub navbar](http://p.twimg.com/AhDBGaUCEAA56ay.png:large)

Use the bootstrap_tab.js plugin to change the subnav bar when the "header" navbar items are clicked.