Re: [Ltru] Re: Remove extlang from ABNF?

LGTM

On Dec 5, 2007 3:14 PM, Addison Phillips <addison@yahoo-inc.com> wrote:

> Would making the ABNF read like the following be adequate:
>
> ...
>
> language      = (2*3ALPHA [ extlang ]) ; shortest ISO 639 code
>               / 4ALPHA                 ; reserved for future use
>               / 5*8ALPHA               ; registered language subtag
>
> extlang       = *3("-" 3ALPHA)         ; OBSOLETE (do not use)
>
> ...
>
> Addison
>
>
> Ira McDonald wrote:
> > Hi,
> >
> > And, oddly, RFC 2119 does not define the two important conformance words
> used
> > widely in IETF specs "DEPRECATED" (dying) and "OBSOLETE" (dead).  But I
> urge
> > that an inline comment in the ABNF use the word OBSOLETE and the text
> make
> > clear that conforming implementations MUST NOT produce or consume
> "extlang"
> > subtags.
> >
> > Cheers,
> > - Ira
> >
> > On Dec 5, 2007 2:32 PM, Shawn Steele <Shawn.Steele@microsoft.com> wrote:
> >>>>>>    2. Leave extlang in the ABNF, but document that it is
> >>>> "permanently
> >>>>>>    reserved" (will never be used, a la ISO).
> >>>>>>
> >>>>> I favor this.
> >>>>>
> >>>> me too.
> >>> "Permanently reserved" is not strong enough, IMO. It must be clear
> that extlang is *permanently dead*. I think > #1 makes that clearer, but I'd
> accept a variation of #2 that left no doubt.
> >> I agree with Peter that if its dead it should be made clear that it is
> completely dead.  "Permanently reserved" implies that software still needs
> to consider the possibility that such tags would exist, adding complexity
> that will never be used.
> >>
> >> - Shawn
> >>
> >>
> >> _______________________________________________
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> >> Ltru@ietf.org
> >> https://www1.ietf.org/mailman/listinfo/ltru
> >>
> >
> >
> >
>
>
> --
> Addison Phillips
> Globalization Architect -- Yahoo! Inc.
> Chair -- W3C Internationalization Core WG
>
> Internationalization is an architecture.
> It is not a feature.
>
>
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>

-- 
Mark