In a way IT IS stabilized.

see below

*New ISO 639-1 codes are not added if an ISO
639-2<>code exists, so systems
that use ISO 639-1 and 639-2 codes, with 639-1 codes
preferred, do not have to change existing

If an ISO 639-2 code that covers a group of languages is used, it might be
overridden for some specific languages by a new ISO 639-1 code.
ISO 639-1 codes added after RFC publication in January 2001 ISO 639-1 ISO
639-2 Name Date added Previously covered by  io ido
2002-01-15 art  wa wln Wallon<>
2002-01-29 roa  li lim Limburgish <>
2002-08-02 gem  ii iii Sichuan Yi <>
2002-10-14 sit  an arg
2002-12-23 roa  ht hat Haitian
2003-02-26 cpfI am not sure this was the best way to solve the problem...

In ISO 3166-1 each country or dependent entity has BOTH an alpha-2 and an
alpha-3 code point.
In some cases it can be useful to use one and some cases to use the other

It seems (from the request that originated this discussion) that it may be
the same for official (or administrative) languages of indenpendant

If in ISO 639 things are frozen until the end of the world then...we'll have
to wait for a long time !

Best regards


2011/4/18 Michael Everson <[log in to unmask]>

> Should ISO 639-1 be formally stabilized?
> Michael Everson *