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   [SAX2] DeclHandler vs. DTDHandler

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  • From: David Megginson <david@megginson.com>
  • To: xml-dev <xml-dev@xml.org>
  • Date: Fri, 25 Feb 2000 05:55:52 -0500 (EST)

Michael Fuller writes:

 [on DTDHandler and DeclHandler]

 > To my (naive) eye, they seem to be handling very similar sorts of
 > events; if so it's certainly untidy ;-) and somewhat confusing to
 > have such similar tasks split across two distinct classes.

There's a significant difference, though -- DTDHandler (yes, the name
is awkward) deals with things that the XML REC (rightly or wrongly)
*requires* all XML processors to report, while DeclHandler does not.
Parser writers must deal with DTDHandler, but there's no reason that
they should have to worry about the extra stuff in DeclHandler.

All the best,


David Megginson                 david@megginson.com

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