<https://www.howtogeek.com/693183/what-does-ymmv-mean-and-how-do-you-use-it/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.howtogeek.com/693183/what-does-ymmv-mean-and-how-do-you-use-it/>