Re: [ubl] A Codelist Issue

[Eduardo Gutentag <Eduardo.Gutentag@Sun.COM>]

On 03/11/2004 04:07 PM, Jon.Bosak@Sun.COM wrote:
> A note to put this discussion in perspective.
> 
> We did in fact discuss the use of substitution groups and abstract
> types for code lists in Washington, and we did come to an
> agreement among the people attending that we could live with
> making an exception to the NDRs for code lists to allow these

but no discussion took place regarding an exception to the rule
that types cannot be abstract, which I understand from previous
emails is also part of the proposal.

> constructs.  But we did not have a quorum at that meeting, so that
> agreement cannot be considered a real consensus.  Arriving at that
> consensus is what we're doing now, out on the TC list where
> everyone can see it.
> 
> My own position at this point leans toward the views expressed by
> Tony and Anne: this approach does look promising, but if we can
> get UBL 1.0 done without modifying the rule about substitution
> groups to do it and make that decision when we understand its
> implications better, then that is what we should do.  (As people
> who have worked on projects like this with me before will
> remember, I consider this always to be the right course of action
> in circumstances like these.)
> 
> The two big questions remaining for me right now regarding
> substitution groups are these:
> 
>  - Is it really true that a future solution that uses substitution
>    groups will be backward-incompatible with one that does not?
> 
>  - Are we introducing a feature that will make the construction of
>    RNG and ASN.1 versions of the schemas impossible?  We chose to
>    make XSD the normative form for political reasons, but we are
>    under an obligation to respect ISO and ITU standards as well as
>    W3C recommendations, and this means not doing anything that
>    would make those alternatives impossible to construct.
> 
> Jon
> 
> 
> 
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> 

-- 
Eduardo Gutentag               |         e-mail: eduardo.gutentag@Sun.COM
Web Technologies and Standards |         Phone:  +1 510 550 4616 x31442
Sun Microsystems Inc.          |         W3C AC Rep / OASIS BoD