Re: [ubl-dev] Identifiers

[Fraser Crichton <fraser.crichton@solnetsolutions.co.nz>]

Thanks for that Steven I can see why it would cause problems in the 
document schemas and does that mean in UBL 2.0 there will be CBC codes 
and IDs?

BTW where would I find a summary of the proposed changes for UBL 2.0??

Thanks again,

Fraser

Stephen Green wrote:

>I think that it was the kind of thinking
>behind a rule that in UBL 1.0 all
>IDs and Codes were declared locally
>where they occurred in schemas (CAC
>or document) rather than in the CBC.
>However that caused problems when
>customizing or adding minor version
>schemas by XSD derivation so it is
>being changed for the next UBL release
>(sceduled for a year from now).
>
>If you customize by derivation based
>on UBL 1.0 all is well for the most
>part but if you compare an instance from
>the customized version with one from 
>UBL 1.0, if both are valid, you'll see 
>differences in the prefixes for IDs and
>Codes declared in document schemas.
>This makes it less satisfactory if you
>had hoped to validate the same instances
>from the customized schemas since you
>not only need to change the schema
>location values but also a few of the
>prefixes. 
>
>In an improved design in the next release
>I hope you'll be able to have customized
>schemas which validate both original and
>customized instances (with just the change
>of the schema location if the instances 
>include that). 
>
>All the best
>
>Steve
>
>
>----- Original Message ----- 
>From: "Fraser Crichton" <fraser.crichton@solnetsolutions.co.nz>
>To: <ubl-dev@lists.oasis-open.org>
>Sent: Thursday, July 07, 2005 12:50 AM
>Subject: [ubl-dev] Identifiers 
>
>
>  
>
>>Hi,
>>
>>I'm interested to know why Identifiers are only realised down in the 
>>Common Aggregate Components schema rather than there being a generic 
>>Common Basic Component Identifier?
>>
>>Is this because Identifiers only really gain context when they are used 
>>in a BIE (if that makes sense)?
>>
>>Cheers,
>>
>>Fraser
>>
>>-- 
>>Fraser Crichton
>>XML Developer
>>SolNet Solutions Limited
>>L12, SolNet House, 70 The Terrace
>>PO Box 397, Wellington, Aotearoa / New Zealand
>>http://www.solnetsolutions.co.nz
>>DDI: 04-462-5078
>>Mob: 027-278-3392
>>Fax: 04-462-5011
>>
>>
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-- 
Fraser Crichton
XML Developer
SolNet Solutions Limited
L12, SolNet House, 70 The Terrace
PO Box 397, Wellington, Aotearoa / New Zealand
http://www.solnetsolutions.co.nz
DDI: 04-462-5078
Mob: 027-278-3392
Fax: 04-462-5011



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