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At 12:46 AM -0400 4/15/04, Stephen D. Williams wrote:
>I could just as easily argue that every application has to perform
>schema validation, and then at a further level a complete
>application-level sanity validation (since DTD/Schema only goes so
>far), then referential integrity to database tables, etc. Certainly
>very paranoid applications processing potentially unfriendly data
>need to do these levels, but it is not required of many other
>applications.
You're mixing apples and oranges. Schema validation (even DTD
validation) is explicitly optional in XML. Furthermore you can
process an invalid document. That is definitely not true of a
malformed document. Failing to check well-formedness is not an option.
--
Elliotte Rusty Harold
elharo@metalab.unc.edu
Effective XML (Addison-Wesley, 2003)
http://www.cafeconleche.org/books/effectivexml
http://www.amazon.com/exec/obidos/ISBN%3D0321150406/ref%3Dnosim/cafeaulaitA
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