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Re: [Ltru] Last open item

Stephane Bortzmeyer <bortzmeyer@nic.fr> Wed, 16 April 2008 10:45 UTC

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Date: Wed, 16 Apr 2008 12:46:20 +0200
From: Stephane Bortzmeyer <bortzmeyer@nic.fr>
To: Randy Presuhn <randy_presuhn@mindspring.com>
Message-ID: <20080416104620.GA10693@nic.fr>
References: <30b660a20804140815w5d56933auefbdccdcbdfe034b@mail.gmail.com> <001e01c89e4b$897c0000$6801a8c0@oemcomputer> <20080414193212.GI28132@mercury.ccil.org> <002601c89e94$80c98ce0$6801a8c0@oemcomputer> <20080415021154.GK19045@mercury.ccil.org> <001001c89ea2$29a61560$6801a8c0@oemcomputer> <20080415170448.GJ28132@mercury.ccil.org> <002601c89f17$aff089a0$6801a8c0@oemcomputer> <30b660a20804151059m2e82e773y5a9b0c4f2aab883a@mail.gmail.com> <000b01c89f1d$7abf8960$6801a8c0@oemcomputer>
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Cc: LTRU Working Group <ltru@ietf.org>
Subject: Re: [Ltru] Last open item
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On Tue, Apr 15, 2008 at 11:23:53AM -0600,
 Randy Presuhn <randy_presuhn@mindspring.com> wrote 
 a message of 69 lines which said:

> Somehow the notion that the canonical form for an entity would
> change over time seems contrary to the very notion of "canonical."

-1 for me. "Canonical" never implied "once canonical, always
canonical". 

Every standard which performs canonicalization has the same
issues. For instance, NFC in Unicode is not stable (a string of
Unicode characters which is in NFC form today may not be in the
future). You have to add a few constraints, as the RFC 5198 does, to
have a "stable NFC".
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