W3C home > Mailing lists > Public > www-validator@w3.org > April 2002

Re: Validator support for MathML embedded in XHTML

From: Michael Bowen <fizzbowen@mindspring.com>
Date: Tue, 02 Apr 2002 06:56:30 -0800
Message-Id: <>
To: www-validator@w3.org
At 00:02 2002/04/02, Masayasu Ishikawa wrote:

>Actually there are other errors in your document, for example,
>the align attribute is not allowed on the div element in XHTML 1.1
>plus MathML 2.0 DTD.  You could try more conformant XML processors
>like Xerces-J or Xerces-C++.

Good catch! Alas, the template I'm working from was only conformant with 
XHTML 1.0 Transitional. My life would have been a bit easier had there been 
an XHTML 1.0 Transitional plus MathML 2.0 DTD. Should the validator have 
caught this?

Just for fun, I created a variant XHTML 1.1 plus MathML 2.0 DTD file that 
contains everything in the "standard" one except for the ENTITY definitions 
for entity values over xFFFF. When I specified that DTD in the source file 
prolog, the validator congratulated me for having well-formed XML. (I 
snared a copy of the icon out of the Icons directory at w3.org; it's not 
set up to display on the congratulations page.)

>And, I still wish the validator could support 'application/xhtml+xml'
>as soon as possible ... it's important to correctly support XHTML+MathML

Agreed. I'm waiting for IE to do a better job parsing XML, too.

Received on Tuesday, 2 April 2002 09:56:26 UTC

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