<http://schema.org/description>
"Update: This is not something Google is testing.  The WebmasterWorld member sent me a screen shot and it has been that way since at least 2004.  So ignore this post.A WebmasterWorld thread reports one"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/020269.html>