HTML5 differences from HTML4 Editor's Draft 10 March 2010 This Version: http://www.w3.org/TR/2010/ED-html5-diff-20100310/ Latest Published Version: http://www.w3.org/TR/html5-diff/ Latest Editor's Draft: http://dev.w3.org/html5/html4-differences/ Previous Versions: http://www.w3.org/TR/2009/WD-html5-diff-20090825/ http://www.w3.org/TR/2009/WD-html5-diff-20090423/ http://www.w3.org/TR/2009/WD-ht..