Dustin Diaz recently posted about skinny doctypes, which basically boiled down to:
Folks in the comments pointed out that this is the doctype that HTML 5 uses. I’d only been glancing at HTML 5 from time to time, but this got me to look at it a little bit closer. I went to the W3C Validator to see what the minimum HTML 5 document looked like. Here’s the smallest document that still validated:
Now this is what I’m talking about, simple and to the point.
The validator does give one warning for this document, but it’s simply to mention that HTML 5 conformance is still experimental.