Conversation With X/HTML 5 Team
X/HTML 5 is currently work in progress and when released will replace HTML 4 and XHTML 1.
The X/HTML 5 specification is being developed by the Web Hypertext Application Technology Working Group (WHATWG).
On this site team member Ian Hickson discuss about the major changes and implications for the web authors and developers.
By the way a new draft of the HTML 5 specifications has been published today.
One controversial new feature will be surely the client/public storage. This will have some serious security issues!