mudcube/CSS-Maximizer — pull request #1 by hongaar (2012-08-13 12:55:09+00:00)
Title: fixed issue where background with base64 data would incorrectly explode on ;

url('data:image/png;base64,STRING') will now be retained

could've used preg_split but couldn't get the regex with lookbehind and lookahead to work. now uses preg_replace with placeholder instead.