mozilla/bedrock — pull request #1711 by kyoshino (2014-02-19 03:51:17+00:00)
Title: Fix Bug 965971 - Improve mozilla-expanders.js

Rewrote the library as `mozilla-accordion.js` to simplify the code using jQuery's built-in animation function and to deliver WAI-ARIA support. It works even when accordions are nested or cookies are disabled.