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Re: Derivation by Restriction

• From: ht@c... (Henry S. Thompson)
• To: Stefan Haustein <stefan.haustein@t...>
• Date: 24 Jan 2000 09:19:50 +0000

Stefan Haustein <stefan.haustein@t...> writes:

> This principle would be violated if you "restrict" B 
> that a subelement required in A is not required in B. 
> In fact, that would not be a specialization or 
> restriction but a generalization. If I read the specs 
> right, you are not allowed to widen the [minOccurs...
> maxOccurs] interval, so the problem you address seems 
> not exist.

This analysis is correct.

ht
-- 
  Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
          W3C Fellow 1999--2001, part-time member of W3C Team
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• References:
  • Re: Derivation by Restriction
    • From: "Fabio Arciniegas A." <l-arcini@u...>
  • Re: Derivation by Restriction
    • From: Stefan Haustein <stefan.haustein@t...>

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