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Subject: RE: [ubl] Substitution Groups - Use 'em or lose 'em?
I do not like using them because there is
no way to know what the final content model is without some tool support. What
I don’t like is that looking at the content model I can’t tell that
a substitution is allowed. I have to track down all the elements that can be substituted,
without there being some flag on the head element to indicate substitutions are
being made. Sort of a good and bad point about them, is they also require all the
substituted values to be based upon the same type, this is not always a good
requirement. Instead of this, ACORD has decided to live
with the minor namespace issues associated with redefine and prefer this
approach for extensions and restrictions. ..dan From:
Burnsmarty@aol.com [mailto:Burnsmarty@aol.com] All, We are
working on extensibility models for standardized business exchange |
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