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

Peter Constable <petercon@microsoft.com> Wed, 05 December 2007 21:45 UTC

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From: Peter Constable <petercon@microsoft.com>
To: "ltru@lists.ietf.org" <ltru@lists.ietf.org>
Date: Wed, 05 Dec 2007 13:44:52 -0800
Subject: RE: [Ltru] Re: Remove extlang from ABNF?
Thread-Topic: [Ltru] Re: Remove extlang from ABNF?
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> From: Ira McDonald [mailto:blueroofmusic@gmail.com]


> 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.

Of course, the only difference between that and removing extlang from the ABNF is the ability to claim, in *some* sense, the ABNF has not changed. But also of course, there is a very real change of syntax, so that claim is somewhat vacuous.


Peter


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