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Re: validation, namespaces, and XHTML

From: Jon Gunderson <jongund@uiuc.edu>
Date: Wed, 4 May 2005 17:07:17 -0500
To: Al Gilman <Alfred.S.Gilman@IEEE.org>, wai-xtech@w3.org
Cc: mimasa@w3.org
Message-Id: <119002e4.f75fe2eb.8207d00@expms1.cites.uiuc.edu>

Acording to Rich you need to use the XHTML 1.1 schema, not the
DTD.  Since schemas apparently are ok with namespace additions
and DTD are not.

Jon


---- Original message ----
>Date: Wed, 4 May 2005 15:47:29 -0400
>From: Al Gilman <Alfred.S.Gilman@IEEE.org>  
>Subject: validation, namespaces, and XHTML  
>To: wai-xtech@w3.org
>Cc: mimasa@w3.org
>
>
>
>Jon asks, "why do my sample pages[1] using the namespace
declaration
>to tie 'role' values to the XHTML 2.0 namespace fail
validation as
>XHTML 1.1?"
>
>I don't know the whole answer, but I think the shape of the
answer is
>given in what Mimasa had to do to create a "validatable to DTD"
>dialect including HTML, MathML, and SVG.
>
>http://www.w3.org/TR/2002/WD-XHTMLplusMathMLplusSVG-20020809/
>
>Here I believe he used the driver-DTD techniques from
"modularization
>in HTML" that are used to integrate XHTML 1.1 from its several
>modules.
>
>This is what Raman suggests in
>
>http://64.233.187.104/search?q=cache:NX6hOEVPKi0J:www.w3.org/2004/04/webapps-cdf-ws/papers/IBM.pdf+validation+of+mixed+namespace+documents&hl=en
>
>Mimasa used the "Modularization in HTML" DTD-building
technique to
>extend the syntax under one DTD cover, folding more modules
into a
>composite DTD. This created a consolidated syntax description
in the
>composite DTD that the validator could work from. The W3C
validator
>is based on an SGML parser, which checks document instances
against a
>DTD.
>
>Al
>
>[1] http://cita.rehab.uiuc.edu/mozilla/role/test1-links.html
>


Jon Gunderson, Ph.D., ATP
Director of IT Accessibility Services
Campus Information Technologies and Educational Services (CITES)
and 
Coordinator of Assistive Communication and Information Technology
Disability Resources and Education Services (DRES)

Voice: (217) 244-5870
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E-mail: jongund@uiuc.edu

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Received on Wednesday, 4 May 2005 22:07:42 GMT

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