XML question

i am going through an XML tutorial, and it's talking about XML Schemas vs.
DTD's. Is an XML Schema a MS "feature" or is it a new standard to eventually
replace the DTD? Not that I'm complaining, because I can see a whole lot of
usefulness for the schema...

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Lucas Vogel, Software Developer
Exponent Failure Analysis Associates, Inc.
lvogel@exponent.com
(623)587-6739