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invalid within XML-Spy, .NET and Xerces parsers but valid with the W3C validator

From: Robert Melskens <robert.melskens@gmail.com>
Date: Wed, 11 Mar 2009 09:39:48 +0100
Message-ID: <99e7a29b0903110139p68eaaa37he6dd58819b4987f0@mail.gmail.com>
To: xmlschema-dev@w3.org

With the attached XML-Schema, a simplified version of one of our schema's,
we had some problems within XML-Spy.
The schema contains a content-model, which is judged by XML-Spy as invalid.
I know how to solve this invalidness, but that solution conflicts with the
desired model.

I wasn''t able to get a grip on the real source of this 'invalid' message by
Why is it invalid to have a minOccurs of 1 on the sequence element? So I
decided to try another validator, it might give me more clues.
I tried '*http://www.w3.org/2001/03/webdata/xsv*<http://www.w3.org/2001/03/webdata/xsv>
' enad surprisingly the schema was judged here as valid.

I concluded XML-Spy would probably have a bug because I put more trust in a
W3C validator.

So I sent a bug-report to Altova. A moment ago they answered me. They did
test the schema also on a .Net and the Xerces paser and also those parsers
reported an error.
Does this mean the W3C validator has a bug? If so, can you answer the
question above. The XML-Schema recommendation doesn't help me much.

I attached the mentioned schema.


Robert Melskens

*Atos Origin Nederland B.V.*

Received on Thursday, 12 March 2009 12:25:18 UTC

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