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XHTML 1.1 and MathML 2.0 and SVG 1.1 with <acronym lang="en" ...>

From: Matthias Mauch <matthias.mauch@aadmm.de>
Date: Sat, 15 Jul 2006 23:13:30 +0200
To: www-validator@w3.org
Message-Id: <1152998010.2273.14.camel@aragorn.aadmm.de>

I'm working with a document that use following Doctype:

"<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG
1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg.dtd">"

I need this Doctype for a small sample test with MathML 2.0 elements.
In my document i also use a <acronym>-tag to explain the meaning of
XHTML.

"<acronym lang="en" title="Extensible HyperText Markup
Language">XHTML</acronym>"

After all works with Amaya, i use the Validator and following will
happend:

"Error Line 32 column 30: there is no attribute "lang".
<acronym lang="en" title="Extensible HyperText Markup Language">"

I know that the <acronym>-tag is no more a part of XHTML 2.0, but
is this a failure from the validator or is this not implemented
in the Doctype for XHTML 1.1 and MathML 2.0 and SVG 1.1?
Received on Saturday, 15 July 2006 20:58:18 GMT

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