[Ltru] Re: Test suite for language tags?

On Tue, Aug 29, 2006 at 10:09:00AM -0700,
 Addison Phillips <addison@yahoo-inc.com> wrote 
 a message of 76 lines which said:

> And there are those tags which do not follow the grammar of RFC
> 3066bis (let us call these "irregular" tags).

I may seem pedantic but even such tags follow the grammar, no? You
mention in another message the i-xxxx tags and they are described by
the grammar:

   grandfathered = 1*3ALPHA 1*2("-" (2*8alphanum))
                   ; grandfathered registration
                   ; Note: i is the only singleton
                   ; that starts a grandfathered tag

Or do you mean, instead of "the grammar of RFC 3066bis", "the grammar
of the 'langtag' production"?

> It should be noted that Stephane's example of "fr-Lat" passing is
> not an error. A three-letter subtag in the second position is an
> extlang.

Yes, correct. Sorry.

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