
Now that the XML Schema specification is one step away from becoming a W3C Recommendation, it is a good time to take a closer look at the new improved way to declare document type definitions. As mentioned in column10, DTDs have a number of limitations: The syntax of a DTD is different from XML, requiring the document writer to learn yet another notation, and the software to have yet another parser There is no way to specify datatypes and data formats that could be used to automatically m..
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