Tagging transliterations from a specific script

Peter Constable petercon at microsoft.com
Thu Mar 17 18:27:08 CET 2011

From: ietf-languages-bounces at alvestrand.no [mailto:ietf-languages-bounces at alvestrand.no] On Behalf Of Kent Karlsson

> Because the ABNF does not allow for that; once you start with 5-8 
> alphanums variant subtags, you cannot have a script subtag after that, 
> except in a private use part or in an extention part 
> You could argue that that was due to lack of foresight, but that is how it 
> is now without revising BCP 47.

I would not say that that was a lack of foresight. That part of the design is fine. The lack of foresight, IMO, was registering a subtag for written form variants that is ambiguous and fails to differentiate important distinctions that apparently need to be made.


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