Re: SAX2 Namespace Support
Leigh Dodds <ldodds@i...> writes: > > In principle (the principle of least surprise), it's very bad > > behaviour for two objects to be == in C++ or equals() in Java if any > > of their publicly-accessible fields differ. Think of sets, for > > example. > > In this instance though your level of surprise is going to relate > to how familiar you are with the Namespaces spec. Expect close to zero, here -- judging by the e-mail I receive, most people who use SAX haven't even read the XML 1.0 REC much less the Namespaces REC, and I wouldn't expect them to have done so. After all, they're programmers who have to deal with XML as one (often small) part of their work, not XML specialists. I should note that I've never read the Java Language Specification or the the Unicode spec (either of them) cover-to-cover, though I work with Java and Unicode almost daily. [snip] > The problem though boils down to how often, in reality, XML instances > will have the same Namespace declared twice, with different prefixes. The fact that the bug would be rare makes it worse -- an application will run perfectly for, say, 18 months, then will suddenly and inexplicably blow up long after the original programmers have moved on because one input document happened to declare the same NS twice and the programmers didn't build in error recovery for that problem. All the best, David -- David Megginson david@m... http://www.megginson.com/ xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev@i... Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/ and on CD-ROM/ISBN 981-02-3594-1 To unsubscribe, mailto:majordomo@i... the following message; unsubscribe xml-dev To subscribe to the digests, mailto:majordomo@i... the following message; subscribe xml-dev-digest List coordinator, Henry Rzepa (mailto:rzepa@i...)
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