Registration request for new subtag

Peter Constable petercon at
Thu Nov 14 18:44:29 CET 2013

If there is low mutual intelligibility between the varieties, that raises the question as to whether they should, instead, be considered distinct, individual languages – in which case separate ISO 639-3 IDs would be more appropriate than a variant subtag.

I’m not assuming that the two varieties should be considered different languages; I’m just raising the question. Levels of spoken intelligibility between varieties is only one consideration; others might include internal attitudes and perception of identity, local language policy, and the role and status of writing and literature.


From: ietf-languages-bounces at [mailto:ietf-languages-bounces at] On Behalf Of Mats Blakstad
Sent: November 14, 2013 9:34 AM
To: ietf-languages at
Subject: Registration request for new subtag

1. Name of requester: Mats Blakstad
2. E-mail address of requester: info @<>
3. Record Requested:

Type: variant
Description: The Barlavente dialect of Kabuverdianu
Prefix: kea
Comments: The Barlavente dialect is one of the two main dialects for Kabuverdianu. There is low mutual intelligibility between the dialects.

4. Intended meaning of the subtag:
The local variety of Kabuverdianu as spoken on the Barlavento Islands

5. Reference to published description of the language (book or article):
Lewis, M. Paul (ed.), 2009. Ethnologue: Languages of the World, Sixteenth edition. Dallas, Texas: SIL International.
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