https://www.w3.org/2010/02/rdfa/track/issues/117
ISSUE-117: Consider disallowing @about on html - RDFa Working Group Tracker
issue 117about onhtml rdfaworking groupconsider
https://www.w3.org/blog/2012/rdfa-microdata-and-rdf-two-notes-published-by-the-w3c-html-data-task-force/
RDFa, Microdata, and RDF (Two Notes Published by the W3C HTML Data Task Force) | 2012 | Blog | W3C
The World Wide Web Consortium (W3C) is an international community where Member organizations, a full-time staff, and the public work together to develop Web...