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Re: Wish for MathML 3: version attribute

From: Michael Kohlhase <m.kohlhase@jacobs-university.de>
Date: Mon, 17 Sep 2007 16:08:28 +0200
Message-ID: <46EE8A5C.7030903@jacobs-university.de>
To: David Carlisle <davidc@nag.co.uk>
CC: R.W.Kaye@bham.ac.uk, www-math@w3.org

I like this, let's continue.


David Carlisle wrote:
>>   dtd="important" >
> It would be nice if it were possible to flag a fragment as depending on
> a dtd or not but i fear this isn't possible.
> If the fragment uses entity references (so requires a DTD) then
> (assuming that it is read by an XML parser rather than custon software)
> it will have been rejected with a fatal error if there is a problem with
> the dtd during the pase stage so (conceptually at least) before  this
> attribute value  can be inspected by a mathml application.
>> <math version="MathML3.0", "p-MathML3.0+OpenMath2.0"  ...
> Hmm interesting. Allowing this would mean (at the specification level)
> that the version text would be arbitrary string, with certain communities
> coming up with conventional values for profiles that have common usage?
> Clearly there are uses for that although the advantage of having a
> strictly numeric value is that you can do numeric tests on it (cf the
> forward compatible processing rules for xsl:version).
> Perhaps separate out teh numeric version and a string based profile:
> version="3.0" profile="presentation mathml with OOMML attributions"
> being a profile of topical interest....?
> David
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 Prof. Dr. Michael Kohlhase,       Office: Research 1, Room 62 
 Professor of Computer Science     Campus Ring 12, 
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Received on Monday, 17 September 2007 14:10:47 UTC

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