Markus Bärlocher, 07/09/2016 15:32:
Thanks Nemo - done, but no ISO-639-3 short code...
Do you literally want the ISO-639-3 code even where MediaWiki and Wikimedia use the ISO-639-1 code? If so, what for? If not, see https://meta.wikimedia.org/wiki/Special_language_codes for the few inconsistent codes.
Nemo