November 2008
HTML: The Markup Language
by 1 otherThis specification normatively defines the fifth major version of the HTML vocabulary. It provides the details necessary for producers of HTML content to create conformant documents. By design, it does not define related APIs nor attempt to specify how consumers of HTML content are meant to process documents.
a version more usable to help you actually writing HTML5
November 2007
HTML 5 differences from HTML 4
by 1 other"HTML 5 differences from HTML 4" describes the differences between HTML 4 and HTML 5 and provides some of the rationale for the changes.
Reminds me the old document html vs xhtml.