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   Re: [xml-dev] Re: Code List Value Validation

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I have often heard it repeated that simpleType built-ins were never 
intended for widespread use and that the assumption was all simpleTypes 
would be derived. I have wondered if that sentiment represents the whole 
of the WG or not...

Jeff Rafter

Rick Jelliffe wrote:
> G. Ken Holman wrote:
>>> 11. Devils advocate: Whats the difference in having to distribute the 
>>> latest .gc file versus having to use the latest XSD with updated 
>>> embedded enums ? (Ok, I think I know the answer to this one, but it 
>>> would be good to have a quote from 'championing' designer, for the 
>>> benefit of my peer group and sceptical and untrusting bosses :-)
>> That the structural integrity of UBL isn't being changed by changing a 
>> bunch of allowable values and therefore shouldn't have to require the 
>> redistribution of schemas that dictate the allowed structures.
> Also there is nothing stopping the .gc file being the maintenance 
> format, and an XSD (or, indeed, Schematron) schema fragment being 
> generated from that .gc file. For example, available from a cached URL.
> This kind of layering is where XSD gets it all wrong at the moment. 
> (Things like derivation checking should be a separately specified layer 
> on top of the schema, a cost bourne by the niche users who need it, 
> rather than built-in, for example.)
> Cheers
> Rick Jelliffe
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