tbray at textuality.com
Thu Jun 24 18:41:52 BST 1999
At 09:14 AM 6/24/99 -0700, Steven Marcus wrote:
>I need to do data typing in a java-based application using XML
So, like, write some code.
>How far away are we from W3's "XML Schema" going to
>"Recommendation" status? I see that it was published on May 6
>1999. My guess is that we are at least a year away and perhaps 9
>months away from some prototype implementations.
These things are totally unpredictable both in theory and practice.
I wouldn't be surprised if they had a flash of inspiration and
shipped in September. I also wouldn't be surprised if they got
stuck in some semantic tarpit and slipped to summer 2000. Sorry
to be unhelpful.
>It appears that translation from XML-Data Reduced to the
>eventual XML Schema Recommendation stands a good chance of being
>accomplished programmatically. True?
Yes, but there's no guarantee at all (really) that XML schemas will
be a clean superset of XDR.
>Can anyone provide alternative suggestions?
Yes. You're going to be writing some business-level validation logic
anyhow. Check your own data types. Then when there is a solid, stable,
nonproprietary schema facility with data typing, throw that part of
your own validation logic away. -Tim
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