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RE: Datatypes, Section 5.2.5 (3/16/2001)

From: Biron,Paul V <Paul.V.Biron@kp.org>
Date: Tue, 20 Mar 2001 15:34:11 -0800
Message-Id: <376E771642C1D2118DC300805FEAAF43014BAC07@pars-exch-1.ca.kp.org>
To: "'Jeff Lowery'" <jlowery@scenicsoft.com>, "'www-xml-schema-comments@w3.org'" <www-xml-schema-comments@w3.org>
> -----Original Message-----
> From:	Jeff Lowery [SMTP:jlowery@scenicsoft.com]
> Sent:	Tuesday, March 20, 2001 3:08 PM
> To:	'www-xml-schema-comments@w3.org'
> Subject:	Datatypes, Section 5.2.5 (3/16/2001)
> 
> From the spec:
> --------------------------
> Schema Representation Constraint: Multiple enumerations 
> 
> If multiple enumeration element information items appear as  [children] of
> a
> simpleType the {value} of the enumeration component should be the set of
> all
> such  [value]s. 
> --------------------------
> 
> This sounds like the enumerated value space for the derived type is the
> union of both parent and child's enumeration facets; that can't be right,
> as
> it would allow the derived type (a restriction) to have a larger value
> space
> than the base.
> 
> Should this read "the [intersection] of all such [values]s"?
> 
This SRC applies only to multiple enumeration elements *in a single
derivation step*, that is what is meant by "...appear as [children] of a
simpleType..."

pvb
Received on Tuesday, 20 March 2001 18:48:04 GMT

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