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RE: The subsetting has begun

• To: "'Cavnar-Johnson, John'" <JCavnar-Johnson@s...>, 'XML Dev' <xml-dev@l...>
• Subject: RE: The subsetting has begun
• From: "Bullard, Claude L (Len)" <clbullar@i...>
• Date: Fri, 28 Feb 2003 10:43:44 -0600

Thanks for that summary.  I noted also from the TAG 
list the action for Liam to begin to look at the 
issue.  What I haven't seen is a decision to 
create a new class of parser and much of the 
subset discussions come down to that when 
the costs are assessed, and it will ripple 
into every area of XML application or support.

At least this is one that can be done at 
leisure and not in haste as XML itself was 
done.  That is why a review of XML-SW, Common 
XML, the SOAP requirements and so forth are a 
good exercise. 

It will raise hell in the documentation world 
where DTDs and entities remain an article of much effort 
and considerable benefit.  Again and as loudly 
as I can say it, a fracture between the documentation 
and message worlds of XML will have serious 
consequences for XML.  Caveat vendor.

Yes, the consensus among those 
who desire a subset is to take out DTDs, DOCTYPEs, 
and entities.  What cannot be decided at this 
time is not simply which specifications cannot 
be supported by an implementation that relies on 
these features, but how to proceed in the case 
that an implementation that requires the features 
being removed would proceed given a new implementation 
or specification built over the subset.  Duplication 
leads to more revisions in the code base.  That 
has costs.

len

From: Cavnar-Johnson, John [mailto:JCavnar-Johnson@s...]

I think there is a great deal more consensus than the discussion on this
list would lead you to believe.

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