Re: What to use for language/locale identifiers? Lassi Kortela 29 Jul 2020 06:16 UTC

> No, there are no other interpretations, and no, there is no contrast
> between 004 and 4.

> In principle a 0xxx variant subtag is possible, but none actually
> exist today.  Still as I mentioned an all-digit code can be ||ed.

All-numeric subtags ought to be rare for language translations. Should
we err on the safe side and require them to be |1234| symbols?