additions to ISO 639 and the IANA language subtag registry
nobody at xyzzy.claranet.de
Tue Feb 21 11:00:42 CET 2006
Peter Constable wrote:
> I'm just trying to understand what the operation principles
> are here.
The principle is "stability forever", you can never add a new
subtag x if an old subtag x is already registered, deprecated
Conflicts across different types of subtags are okay, the 3066,
3066bis, and matching syntax guarantee that region XY cannot
be confused with language XY. Dito "extlang" when/if it will
be enabled in 3066ter, Dito Debbie's alpha4 codes when/if
that will be added.
Everything from the source standards has to be registered if
there is no conflict for the given type. With detailed rules
for 3166-cases like CS, because that's likely. For languages
3066bis quotes the promise that there never will be conflicts.
IIRC scripts have the same property.
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