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Re: XLink 1.1: Charmod conformance

From: Bjoern Hoehrmann <derhoermi@gmx.net>
Date: Wed, 25 Jan 2006 19:01:14 +0100
To: Richard Tobin <richard@inf.ed.ac.uk>
Cc: www-xml-linking-comments@w3.org
Message-ID: <5oeft15fkbs6hu8gpj0jcafr3p2qm9n7qq@hive.bjoern.hoehrmann.de>

* Richard Tobin wrote:
>I think that it is quite inappropriate to either perform or check
>charmod conformance at this layer.

If the XML Core Working Group disagrees with my reading of the Charmod
Recommendation, please discuss this matter with the I18N Core Working
Group such that corrections will be published that clearly invalidate my

>Or to put it another way, which variant of step 1 in 3.1 of RFC3987
>applies to the characters that are being interpreted as an IRI?  It's
>certainly not (a), which refers to the case where characters are not
>in a computer representation yet, and you have to choose a Unicode
>representation.  And it's not (b), which refers to the case of
>characters in non-Unicode encodings.  The characters in question are
>already Unicode code points, so the variant that most closely matches
>is (c):

It's b), http://lists.w3.org/Archives/Public/www-style/2005May/0022.html
would not make sense otherwise, e.g.

|  >This would be nigh-on-impossible for UAs to sanely implement because it
|  >would require character encoding information to be propagated through the
|  >implementation into parts of the code that are completely unrelated to the
|  >parsing of the original document (e.g. the DOM code).
| The original character encoding is part of the Infoset. See point 6 at
| http://www.w3.org/TR/2004/REC-xml-infoset-20040204/#infoitem.document.
| Given this, I don't think that claims like "nigh-on-impossible" are
| justified. Getting at that info may be a bit of a hack in some
| implementations, but "nigh-on-impossible" it is not.

But this doesn't matter here, I want XLink 1.1 simply be defined such
that it conforms with C014 and the rest of the Character Model. Conforms
to my interpretation of it, if you must.
Björn Höhrmann · mailto:bjoern@hoehrmann.de · http://bjoern.hoehrmann.de
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Received on Wednesday, 25 January 2006 18:00:31 UTC

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