I just had to share this one with you as soon as I read it. Dustin Diaz shows us a way of declaring a doctype, that puts the browser is standards mode. Thought it won\’t validate, which he explains:
There is really, absolutely no reason you need the rest of the doctype in your declaration unless you’re validating code. Furthermore, it does not mean that your page is even invalid. In the end, it puts your webpages into standards mode, which is what really matters.