<https://www.customizexf.com/threads/xenforo-add-ons-2-2-0-beta-6-released-unsupported.1025/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.customizexf.com/threads/xenforo-add-ons-2-2-0-beta-6-released-unsupported.1025/>