UN M.49 in language tags & locales

[Phillips, Addison]

> > Also interested to know if these UN M.49 codes can still be used in
> > locales.

Also: Can still be and are actively used in locales, if, by locales, you mean CLDR or ICU (and implementations that have adopted these). The most well-known of them is "es-419".

Addison

> -----Original Message-----
> From: Ietf-languages [mailto:ietf-languages-bounces at alvestrand.no] On
> Behalf Of Doug Ewell
> Sent: Monday, November 09, 2015 10:36 AM
> To: Don Osborn; cldr-users at unicode.org; ietf-languages at iana.org
> Subject: RE: UN M.49 in language tags & locales
> 
> Don Osborn wrote:
> 
> > Trying to catch up on what the current rules are on use of 3-digit
> > region codes in language tags and got lost in the wording of RFC 5646.
> > Also interested to know if these UN M.49 codes can still be used in
> > locales.
> 
> The rules were set out in RFC 4645, Section 2.
> 
> In short, the code elements for macro-geographical regions are in; those for
> individual countries (because they already have two-letter code elements
> from ISO 3166-1) and for non-geographical categories like "economic
> groupings" are out.
> 
> You can get an up-to-date list by looking in the Language Subtag Registry [1].
> The three-digit region subtags are listed immediately after the two-letter
> ones.
> 
> [1]
> http://www.iana.org/assignments/language-subtag-registry/language-
> subtag-registry
> 
> --
> Doug Ewell | http://ewellic.org | Thornton, CO 🇺🇸
> 
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