Have you checked out the new HTML5?
The good news is that the same ddt is backwards compatible. The same ddt will read your XHTML and HTML codes and allow most of it. This allows you to combine new parts of your page in HTML5 with old parts of the page that you might not have time to update. It also allows you a free pass if you mistakenly code in the older XHTML for a bit.
Another bit of good news is that the current versions of most browsers already read HTML5.
HTML5 is designed to make organizing pages a part of the code. This allows for pages to be automatically outlined, organized...