Indonesian and extlang...

Doug Ewell doug at
Fri Jan 1 05:43:36 CET 2010

I wrote:

>> Almost.  Minangkabau is part of 639-2, and was added in 2005, but it 
>> has an extlang tag.
> Hmm.  That would be a mistake on my part in putting together 5645. 
> I'll have to figure out what went wrong.  Possibly I skipped over it 
> because of the infamous "zh-min" problem.

Nope, it wasn't that.  Although my program that merged ISO 639-3 code 
elements into the Registry did skip over the two-letter subtags, like 
'id', it missed the rule about not creating extlangs out of existing 
language subtags.

This error was exposed beginning in draft-4645bis-09, after ISO 639-3 
added 21 more languages (including Indonesian and Minangkabau) to the 
three already encompassed under the macrolanguage 'msa'.

It's a bug.  Sorry, folks.  We'll see if IESG takes this into account 
when reviewing my status in May.  (Michael and I know there are people 
who would like to see different reviewers.)

Doug Ewell  |  Thornton, Colorado, USA  |
RFC 5645, 4645, UTN #14  |  ietf-languages @ ­

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