A word of caution: http://docs.moodle.org/XY/en/ kind of link means that /XY/ is an independent wiki. Currently there are five of them: /19/, /20/, /21/, /22/, /23/ and /24/. Read "Moodle documentation: How to subscribe to multiple categories" https://moodle.org/mod/forum/discuss.php?d=200288.
A work around would be the /dev/ wiki. See for example "Moodle documentation: "Non-Version" documentation pages" https://moodle.org/mod/forum/discuss.php?d=205117#p895020.
Moodle community sites
Moodle documentation: Useful MySQL Scripts
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