twitter/bootstrap — pull request #7963 by serveace (2013-05-22 18:08:50+00:00)
Title: Fix jquery each error in tooltip.

The default and override options aren't being propagated correctly. This causes problems if you use custom options (such as selector) when using tooltips.

broken tooltip: http://jsfiddle.net/5h3gd/
fixed tooltip: http://jsfiddle.net/v4WrE/