twitter/bootstrap — pull request #7114 by jamiethepiper (2013-03-01 16:39:28+00:00)
Title: overflow: visible; when collapsible open

![accordion-popover](https://f.cloud.github.com/assets/1130192/210344/84d8bcb4-828e-11e2-837e-15cb17c2fa4a.png)