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Re: [Ltru] Uniqueness of variant subtags



Leif Halvard Silli scripsit:

> It is interesting to compare the prefixes allowed for "1996",
> 
> 	Prefix: de
> 
> to those allowed for "1994":
> 
> 	Prefix: sl-rozaj
> 	Prefix: sl-rozaj-biske
> 	Prefix: sl-rozaj-njiva
> 	Prefix: sl-rozaj-osojs
> 	Prefix: sl-rozaj-solba

Not *allowed*, but *recommended*.  The first means that we say you SHOULD use 'de'
(and implicitly, SHOULD NOT use any other primary language subtag) with '1996'.
The second group means that you SHOULD use 'sl', AND you SHOULD use 'rozaj',
AD you should use either one of the four variant tags or no variant tag,
before you use '1994'.

> Allthough "sl-rozaj-lipaw" is not listed, since "sl-rozaj" is 
> listed, how can we know that "sl-rozaj-lipaw-1994" is not 
> permitted?  

But it *is* permitted.  The Prefix: on a subtag is only what's recommended.

-- 
John Cowan   cowan at ccil.org  http://www.ccil.org/~cowan
Most languages are dramatically underdescribed, and at least one is
dramatically overdescribed.  Still other languages are simultaneously
overdescribed and underdescribed.  Welsh pertains to the third category.
        --Alan King
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