Hi,

I have a question regarding the component constraint "Derivation Valid
(Restriction, Simple)" related to the draft Type Library at
"http://www.w3.org/2001/03/XMLSchema/TypeLibrary.xsd".

We have the following definition in
"http://www.w3.org/2001/03/XMLSchema/TypeLibrary-nn-array.xsd" :

<xs:simpleType name="valuesType">
   <xs:list itemType="xs:anySimpleType" />
</xs:simpleType>

According to "http://www.w3.org/TR/xmlschema-1/#cos-st-restricts" :

2 If the {variety} is list, then all of the following must be true:
   2.1 The {item type definition} must have a {variety} of atomic or
       union (in which case all the {member type definitions} must be
       atomic).

and "http://www.w3.org/TR/xmlschema-2/#anySimpleType-component" :

Schema Component: anySimpleType
[...]
{variety}
  absent

Since the variety of the item type definition "anySimpleType" is absent,
I would expect the simple type definition to be invalid.
I'm confused with the results of XSV 2.7 and Xerces 2.6.2, which both do
not report this error. Should I stick with the spec, or do I read it
wrong?

An example which uses this simple type:

Instance:

<?xml version="1.0"?>
<foo values="la la la"/>

Schema:

<?xml version="1.0"?>
<xsd:schema
   xmlns:xsd="http://www.w3.org/2001/XMLSchema"
   xmlns:tl="http://www.w3.org/2001/03/XMLSchema/TypeLibrary">
   <xsd:import
     namespace="http://www.w3.org/2001/03/XMLSchema/TypeLibrary"
   schemaLocation="http://www.w3.org/2001/03/XMLSchema/TypeLibrary.xsd"/>

   <xsd:element name="foo" type="tl:vectorAttrVals"/>

</xsd:schema>


Regards,

Kasimier

From K.Buchcik@4... Wed Mar 16 22:34:05 2005
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