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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: Ten Years Later - XML 1.0 Fifth Edition?
 >Are
there real-world scenarios where current applications break? (I don't mean
corner cases in implementers test suites, I mean actual applications that
somehow depend a parser rejecting documents that would be accepted under the
proposed edited recommendation).
I would think there are very many applications that would
break if obscure characters start appearing in names or IDs. But most of them
would break on obscure characters that XML 1.0 already allows. The interesting
case is an application that (a) handles all XML 1.0 names correctly, (b) can't
handle all XML 1.0.5 names, and (c) actually starts receiving documents
containing XML 1.0.5 names. I suspect that won't happen very often. But it
doesn't alter the fact that someone who deploys such an application is entitled
to prevent failures happening by configuring it to use a parser that
enforces the rules his application is relying on, and that's going to be a lot
easier to achieve if different versions of the specification are properly
numbered.
After all, the extended character set is being supported to
meet the needs of a minority community. In meeting their needs, we mustn't
forget the needs of another minority community, namely those who care about high
integrity systems.
Michael Kay
http://www.saxonica.com/
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