<http://schema.org/description>
"Folks have been asking 'When will VS2010 support HTML5?' I've been saying, jokingly, that the answer is 'yesterday' as there's nothing keeping you from ... ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.hanselman.com/blog/AnnouncingTheWebStandardsUpdateHTML5SupportForTheVisualStudio2010Editor.aspx>