On Wed, 16 Jul 2003 13:34:29 -0700 "David Orchard" <dorchard@bea.com> wrote: > I'd like to propose the use of wildcards in WSDL 1.2 rather than > substitution groups. My understanding of the rationale for > substitution groups is at least two-fold: Problems with determinism, > and desire for validation. On the first reason, there are some schema > techniques that can be used that allow full extensibility and > backwards/forwards compatible changes. The validation requirement > I've addressed separately. Hmm. There was actually another reason, that I know of, which was to allow extension authors to specify *where* in the schema their extensions fit. Substitution groups can do this; wildcards can't. Amy! -- Amelia A. Lewis Architect, TIBCO/Extensibility, Inc. alewis@tibco.comReceived on Wednesday, 16 July 2003 16:41:34 UTC
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