<https://www.concertina.net/forums/index.php?/topic/21213-new-to-concertina/#comment-197263>
<http://schema.org/dateCreated>
"2019-06-13T22:08:11+0000"^^<http://schema.org/Date>
<https://www.concertina.net/forums/index.php?/topic/21213-new-to-concertina/&tab=comments#comment-204116>