On Tue, Apr 14, 2026 at 08:04:19PM +0100, Gavin Smith wrote: > For example, if there was a real practical need for distinguishing > variants of a language, maybe the ISO would invent new top-level codes > for them. There are ISO 639 codes for languages that could be considered > dialects. There is "yue" for Yue (Cantonese) even though there is already > "zh" for Chinese. There is "oc" for Occitan as well as codes for closely > related Romance languages. There is "sco" for Scots even though there > is also "en" for English. >
Correction: "yue" is an ISO 639-3 code, while we document @documentlanguage to take an ISO 639-2 code argument. ISO 639-3 codes are much more extensive than ISO 639-2 codes and are assigned by SIL International (a Christian missionary group).
