Simon Willison’s Weblog

Using multiple classes within selectors. Pretty much definitive guide to using multiple classes in a CSS selector, including problems with IE 5 and 6 and one way of addressing them using conditional comments. 11th November 2007, 11:07 pm

JavaScript Minifier that doesn’t break code (via) Perl re-implementation of Douglas Crockford’s classic JSMin that doesn’t clobber IE’s conditional comments, by Peter Michaux. 4th June 2007, 5:44 pm