This is the revision history for xkcd in <libera.chat:#regexen>

factoid_idsubjectcopulapredicateauthornamespace
15804 xkcd is <fact humor>
https://xkcd.com/208/, https://xkcd.com/1171/
digitok <freenode.net:#regex>
15104 xkcd is <fact humour>
https://xkcd.com/208/, https://xkcd.com/1171/
digitok <freenode.net:#regex>
13420 xkcd is https://xkcd.com/208/ ouims <freenode.net:#regex>