<http://schema.org/description>
"A Google Webmaster Help thread has dozens of webmasters complaining about not being able to verify their web sites.The first report came in yesterday afternoon.    The webmaster said, \"I just lost ver"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-webmaster-tools-verification-bugs-17921.html>