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From: David Carlisle <davidc@nag.co.uk>
Date: Thu, 17 Feb 2000 08:24:15 -0500 (EST)
Message-Id: <200002171319.NAA25058@nag.co.uk>
To: connolly@w3.org
CC: www-html@w3.org

Dan Connolly wrote

> I find that acceptable, though I'd like confirmation that you're
> agreeing to remove the bit about modifying the system identifier
> "as appropriate".

I very much hope that the HTML do _not_ remove that bit. As XHTML is
unworkable without it, and with it, you require the FPI to give a
canonical indication of the language being used.

The thread has discussed various possibilities for resolving SYSTEM
identifiers to local file names via SGML Open catalogs, but that is
beside the point. The XML spec does not mandate (or even mention)
catalog support and many xml systems do _not_ support the catalog
syntax.

So in order to be able to validate XML systems you need to be allowed
to use as SYSTEM identifier whatever URL will work on your system to
reach a copy of the dtd. If the spec said that you had to put
the full URL to the w3c site on every conforming XHTML document
then either no XHTML documents would get validated, or the W3C site
would get a lot of traffic.

David
Received on Thursday, 17 February 2000 12:59:46 GMT

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