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RE: RE: RE: XQuery and DTD/Schema?

• To: "'J. David Eisenberg'" <catcode@c...>
• Subject: RE: RE: RE: XQuery and DTD/Schema?
• From: "Bullard, Claude L (Len)" <clbullar@i...>
• Date: Mon, 8 Jul 2002 11:01:40 -0500
• Cc: xml-dev@l...

Unless you use SGML in production, you don't 
have any way of verifying that.  Most of what 
is XML is SGML As Practiced.  SGML isn't that 
tough to use; it is a bi*ch to program given 
a system that attempts to implement ALL of 
its features.  Outside of SP, few tried that 
and the problem became conformance.

Who lost complexity?  Parser programmers.  
Who gained it?  Authors.  Where is that 
power coming from?  Lexical unification.  
Who gets to use it?  Hackers.

The DEPH is an unskilled programmer.

XML is easy.  SGML is easy.  It is the 
frameworks that have made both hard. In 
other words, not markup, but markup systems 
are complex and in that respect, XML has 
not fared as well as SGML because the 
simplification of a Draconian parse based  
on the simplification of well-formedness 
opened up portals to hell in the frameworks. 
Add namespace processing to that and an overloaded  
definition for identity via URIs, and you 
have all the makings of sour mash.

"Mighty mighty pleasin', Pappy's corn squeezin's"

Depending on what classification of student 
you teach, you may need some to make the 
words go down easier.

len

From: J. David Eisenberg [mailto:catcode@c...]

I have been telling my XML classes that "XML provides 90% of the
power of SGML with only 10% of the complexity."  I hope I don't have to
eat my words.

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