<https://www.dbstalk.com/threads/closed-captions-controlled-by-tv-instead-of-612.123986/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.dbstalk.com/threads/closed-captions-controlled-by-tv-instead-of-612.123986/?u=418248>