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Neil PitmanSubject: What does Unique Particle Attribution mean?
Author: Neil Pitman
Date: 18 Nov 2002 01:17 AM
I get the message:

file://f:\projects\foo.xml:3,141: 'annotation' and 'annotation' violate the Unique Particle Attribution rule

I don't find any help on that. I think that I know what it means. The error message is a little lame because it only points to the schema location. The element name is duplicated for no good reason (there would be no confusion if the two elements didn't have the same name)

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Alberto MassariSubject: Re: What does Unique Particle Attribution mean?
Author: Alberto Massari
Date: 18 Nov 2002 04:45 AM
Hi Neil,
I agree that Xerces errors tend to be cryptic... As a rule, they cite the
same words used in the XML Schema specs: so your schema is not compliant
with the section 3.8.6 of the spec
(http://www.w3.org/TR/xmlschema-1/#cos-nonambig) that I am pasting here

Schema Component Constraint: Unique Particle Attribution
A content model must be formed such that during ·validation· of an= element
information item sequence, the particle contained directly, indirectly or
·implicitly· therein with which to attempt to ·validate· each item= in the
sequence in turn can be uniquely determined without examining the content
or attributes of that item, and without any information about the items in=
the remainder of the sequence.

If you send us the XML+XSD files you are using, we could help you find
what's wrong.

Hope this helps,
Alberto

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Neil PitmanSubject: What does Unique Particle Attribution mean?
Author: Neil Pitman
Date: 18 Nov 2002 10:03 AM
Thanks Alberto,

I figured it out a few minutes later by searching Google for those words and turning up the selfsame URL.

My comment was less a plea for help than it was a wish for more straightforward messaging and help docs.

Thanks again for the quick response.

 
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