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   RE: [xml-dev] XML schema cos-nonambig problem

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In your first choice set, if you reverse the 2 elements that will remove
the non-determinism - but only if the "externalid" element remains
declared as mandatory.

Joe 

Joseph Chiusano
Associate
Booz Allen Hamilton
 
700 13th St. NW, Suite 1100
Washington, DC 20005
O: 202-508-6514  
C: 202-251-0731
Visit us online@ http://www.boozallen.com
 

> -----Original Message-----
> From: Niels Peter Strandberg [mailto:nielspeter@npstrandberg.com] 
> Sent: Friday, December 16, 2005 10:53 AM
> To: xml-dev@lists.xml.org
> Subject: [xml-dev] XML schema cos-nonambig problem
> 
> This error message below is reported back from Xerces. The 
> problem is the "major" element. How can I reconstruct my XML 
> Schema so that I can avoid this error?
> 
> cos-nonambig: 
> "http://www.polopoly.com/polopoly/cm/app/xml":major and 
> "http://www.polopoly.com/polopoly/cm/app/xml":major (or 
> elements from their substitution group) violate "Unique 
> Particle Attribution".  
> During validation against this schema, ambiguity would be 
> created for those two particles.
> 		
> 
>       <xs:complexType name="contentiddef">
> 		<xs:choice>
> 			<xs:choice minOccurs="0" maxOccurs="unbounded">
> 				<xs:element ref="x:major"/>
> 				<xs:element ref="x:externalid"/>
> 			</xs:choice>
> 			<xs:choice minOccurs="0" maxOccurs="unbounded">
> 				<xs:element ref="x:major"/>
> 				<xs:element ref="x:minor"/>
> 				<xs:element ref="x:version"/>
> 			</xs:choice>
> 		</xs:choice>
> 	</xs:complexType>
> 
> Thanks!
> 
> Niels Peter
> 
> 
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