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Visual DOM and apply and partialdiff example of difficulties

From: Roger I Martin PhD <hypernexdev@hypernexinc.com>
Date: Wed, 23 Feb 2005 11:11:29 -0500
Message-ID: <421CAB31.3010201@hypernexinc.com>
To: www-math@w3.org
 From the table
http://www.w3.org/TR/MathML2/appendixd.html#dom.elementTable
it can be seen that many elements have the MathMLPredefinedSymbol 
<http://www.w3.org/TR/MathML2/appendixd.html#dom.PredefinedSymbol> 
interface.  Maybe the short question and answer would be: is it intended 
that an implementor should extend the MathMLPredefinedSymbol 
<http://www.w3.org/TR/MathML2/appendixd.html#dom.PredefinedSymbol> for 
each associated element?
then get all it's siblings that define it from the parent apply?
Or extend apply for each possible fiirst operation child(treating it 
like an attribute)?
O many cases under MathMLApplyElement?

Take
http://www.w3.org/TR/MathML2/chapter4.html#contm.partialdiff
for example.
The number of bvars and their degrees effect the presentation 
considerably.  Under what interface would the presentation be recommended?

Any ideas?  Considerations?

-Roger
Received on Wednesday, 23 February 2005 16:16:40 GMT

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