Peter Constable wrote:

> ISO 639-2 defines a set of 3-letter identifiers. This standard was
> jointly developed by terminologists and librarians, with the latter
> mostly responsible for the initial set. The criterion for inclusion in
> this set is that there must be at least 50 documents across 5 or fewer
> institutions that are in the given language.
>
> ISO DIS 639-3 defines a set of 3-letter identifiers compatible with ISO
> 639-2 but with the aim of providing comprehensive coverage of languages,
> whether living or extinct, naturally-occuring or invented, spoken,
> written or signed.

Any connection with Ethnologue's 3-letter codes?
--
Peter T. Daniels grammatim@...