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Re: Samples from the Internet

From: <juanrgonzaleza@canonicalscience.com>
Date: Mon, 27 Nov 2006 08:06:05 -0800 (PST)
Message-ID: <3734.>
To: <davidc@nag.co.uk>
Cc: <www-math@w3.org>

David Carlisle said:
>> I am not interested in technical details or if the validators are
>> strictly following the XML spec or are not.
> Maybe you are not, but anyone hosting a validation service clearly
> should be concerned about that, and it was the behaviour of validation
> services that you were questioning.


>> Whereas the MathML validator A will say it "The input is valid MathML"
>> and the B will say it "This Page Is Valid MathML 2.0!".
>> Then the guy got confused and read the MathML specification and there
>> explicitely it is said that their code is _prohibited_.
> This isn't really any different from using an <a> element nested inside
> another in XHTML. Any DTD validation service will tell you it's valid
> but the prose text of the XHTML will tell you that it is prohibited.
> http://www.w3.org/TR/xhtml1/#prohibitions

Except when using a strict DTD. Then the validator will alert of nesting <a>

> It's always going to be possible to define more constrains in the prose
> text of a specifcation than in any formal grammar, and it's not at all
> unusual for language specifications to do that.
> David
Received on Monday, 27 November 2006 16:06:49 UTC

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