tactivos/grunt-cdn — pull request #23 by RobinQu (2013-10-08 09:43:44+00:00)
Title: enhancement in handling css files

Improvements:

* support `background:(about:blank)` in css
* support filter rules for IE, e.g. `_filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src="/images/logo.png", sizingMethod="image")`