Re: validation, namespaces, and XHTML

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