yui/yui3 — pull request #1273 by ezequiel (2013-10-05 09:54:49+00:00)
Title: config.onCSS,  resolves #882

This fixes #882.

It seems `onCSS` was [documented](http://yuilibrary.com/yui/docs/api/classes/config.html#property_onCSS), but never actually implemented.