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>Regarding validation vs. typing, validation is a kind of type-checking >(constraints do specify types, just not all the types are >named). However, >in validation, you only ask if the document was correct, and >don't get to >find out what the types were. > >Matthew Yes, but as validation and typing are tightly bound in terms of algorithm, why not perform them both in the same path, for the sheer sake of efficiency ? When validating, you collect a lot of useful data (you know what XSDL types you are matching against elements), so why no keep this information in a PSVI to give it to the next layer ? Regards, Nicolas
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