ISO 639-3/Linguasphere language subtags

Debbie Garside debbie at
Sun Mar 5 10:16:12 CET 2006



The data supporting ISO CD 639-6 is no longer based solely on the Linguasphere Register but rather on research and data compiled from a number of sources.  The hierarchical system uses 639-3 and 639-5 alpha3 language tags where available.


Best regards



Debbie Garside

Editor ISO CD 639-6




From: ietf-languages-bounces at [mailto:ietf-languages-bounces at] On Behalf Of Addison Phillips
Sent: 05 March 2006 01:09
To: 'Eduardo Mendez'; ietf-languages at
Subject: RE: ISO 639-3/Linguasphere language subtags


Hi Eduardo,


Please read the relevant text:       


The short answer is “no”


The longer answer is that ISO 639-3 is envisioned for inclusion by revising RFC 3066bis once ISO 639-3 is finished and official and alpha4 codes are reserved for the possible future inclusion of ISO 639-6 (essentially the Linguasphere codes). The place to discuss making changes to include these codes is the LTRU working group of the IETF.


If you need a specific language code and it isn’t in the language subtag registry today, you can propose a code for it and it will be registered or not on its individual merits.




Addison Phillips
Internationalization Architect - Yahoo! Inc.

Internationalization is an architecture.
It is not a feature. 


From: ietf-languages-bounces at [mailto:ietf-languages-bounces at] On Behalf Of Eduardo Mendez
Sent: 2006年3月4日 16:38
To: ietf-languages at
Subject: ISO 639-3/Linguasphere language subtags


I might need to register some language subtags.
This is for a statistical study. 
Most are in the ISO 639-3 project.
Others are in Linguasphere.
Is this possible?
If it is proposed, will it be appealed?
Eduardo Mendez 

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