So does the abstractness of the type become a property of the element?  i.e.

<xs:element name='myElement' type='abstractType'/>

is equivalent to:


<xs:element name='myElement' type='abstractType' abstract='true'/>
?

Thanks,

Pete.
--
=============================================
Pete Cordell
Tech-Know-Ware Ltd
for XML to C++ data binding visit
http://www.tech-know-ware.com/lmx
(or http://www.xml2cpp.com)
=============================================

----- Original Message ----- 
From: "Michael Kay" <mike@s...>
To: "'Pete Cordell'" <petexmldev@t...>; <xmlschema-dev@w...>
Sent: Thursday, February 08, 2007 12:24 PM
Subject: RE: Abstract types in substitution groups


>
>
> Why would it be any more invalid than any other element being declared 
> with
> an abstract type? All it means is that the instance either has to have a
> non-abstract xsi:type, or has to be an element in the substitution group 
> of
> myElement declared with a concrete subtype of abstractType.
>
> Michael Kay
> http://www.saxonica.com/
>
>> -----Original Message-----
>> From: xmlschema-dev-request@w...
>> [mailto:xmlschema-dev-request@w...] On Behalf Of Pete Cordell
>> Sent: 08 February 2007 12:01
>> To: xmlschema-dev@w...
>> Subject: Abstract types in substitution groups
>>
>>
>> I've been looking at a published schema that uses an abstract
>> type in a substitution group.  i.e. something like:
>>
>>
>> <xs:complexType name='abstractType' abstract='true'>
>>     <xs:sequence/>
>> </xs:complexType>
>>
>> <xs:element name='myElement' type='abstractType'
>> substitutionGroup='sgroup'/>
>>
>>
>> To me this seems invalid.  Or do substitutionGroups have
>> special permission
>> to use abstract types?
>>
>> Thanks for any help,
>>
>> Pete.
>> --
>> =============================================
>> Pete Cordell
>> Tech-Know-Ware Ltd
>> for XML to C++ data binding visit
>> http://www.tech-know-ware.com/lmx
>> (or http://www.xml2cpp.com)
>> =============================================
>>
>>
>>
>
>
> 



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