<https://www.wowhead.com/news/6-1-ptr-build-19551-spell-changes-twitter-integration-live-new-toys-246000>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://fr.wowhead.com/news/6-1-ptr-build-19551-spell-changes-twitter-integration-live-new-toys-246000>