<http://schema.org/description>
"I was working on an app the other day and had written a custom screen allowing the user to add/edit multiple records on the same page. So in the process I wrote a Visualforce page that Overrides the standard..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://blog.jeffdouglas.com/2010/12/28/neat-salesforce-urlfor-trick/>