Replaces text (mostly) according to http://xkcd.com/1288/ , http://www.xkcd.com/1625/ , and http://www.xkcd.com/1679/ , as well as http://www.xkcd.com/821/ , http://www.xkcd.com/1004/ , http://www.xkcd.com/1025/ , http://www.xkcd.com/1031/ , and http://www.xkcd.com/1418/ . This script is just an update of https://greasyfork.org/en/scripts/1322-xkcd-text-replacer