<http://schema.org/description>
"Kenichi Suzuki notified me via Google+ that Google has updated the link schemes guideline page.  Specifically making the widget links section more specific and less general.Now it reads:Keyword-rich, "^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-widget-links-update-17941.html>