<https://myext.info/extension/Custom-Messenger-Cursor/gmnjmkbpnkdcjmgmpbonambfpmkjaiei.html>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://myext.info/extension/Custom-Messenger-Cursor/gmnjmkbpnkdcjmgmpbonambfpmkjaiei.html>