<http://schema.org/description>
"There is a brand new Google Webmaster Tools error for Sitemaps files.  The new error or warning is named \"Duplicate URL\" and has been springing up for many webmasters recently.  The full error reads:T"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/020525.html>