[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: XPath 2.0 Best Practice Issue: Graceful Degradation
Thanks David. > If the input is validated (against xsd or relax or schematron or any > other schema language of choice) the user will get specific error > message about missing or incorrectly typed values at an earlier stage, > before the calculation has been attempted. Doesn't that presuppose a certain environment: the XPath is running in an environment where the data has already been checked? Ah, you are bringing up an excellent point: how do we design an XPath statement that gracefully degrades when the expected schema checking is absent? /Roger
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