Maybe a naive question about XML Data

[Andrew Layman]

Peter Zinqq asked whether or not to use the XML-Data schema notation shipped
with IE5.  That depends on your needs and timeframes.  The IE5 MSXML parser
supports both DTD and XML-Data.  DTDs are supported by a wider range of
parsers, so you have a greater degree of interop, if replacing parsers is
important to you.  XML-Data uses XML syntax and supports namespaces and
datatypes, if that is important to you.  I expect that future MSXML parsers
will continue to support notations.

But that brings me to mention the work going on in the W3C: The XML schemas
activity is working on defining the next generation of schema notation, and
the shopping list of features includes all the features presently available
from XML-Data in MS IE5, and more.  (I expect that future MSXML parsers will
support the future schema notation.)

So a lot depends on the exact features you need and where (MSIE or other
parsers) and when (now or later) you need them.  

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