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RE: Schema Validator

From: <noah_mendelsohn@us.ibm.com>
Date: Wed, 4 Oct 2006 14:03:48 -0400
To: "Michael Kay" <mike@saxonica.com>
Cc: "'Grattan, Steven'" <grattans@visa.com>, xmlschema-dev@w3.org
Message-ID: <OF48685371.30FF988C-ON852571FD.0062F00A-852571FD.00633B43@lotus.com>
Some users have had good luck with the Schema Quality Checker [1].  That 
tool does not validate instances against schemas.  Its sole purpose is to 
look at your schema, explain any outright errors, and (if I remember 
correctly) sometimes to warn you of things that are technically correct 
but suspect.  An FAQ about it is at [2].


[1] http://www.alphaworks.ibm.com/tech/xmlsqc

[2] http://www.alphaworks.ibm.com/tech/xmlsqc/faq

Noah Mendelsohn 
IBM Corporation
One Rogers Street
Cambridge, MA 02142

"Michael Kay" <mike@saxonica.com>
Sent by: xmlschema-dev-request@w3.org
10/04/2006 01:26 PM
        To:     "'Grattan, Steven'" <grattans@visa.com>, 
        cc:     (bcc: Noah Mendelsohn/Cambridge/IBM)
        Subject:        RE: Schema Validator

There are a number of tools for validating schemas (and for validating 
instance documents against a schema) - it's not clear from your message 
which one you are using. It can be difficult to understand the messages 
when you're new to the spec, since the messages will tend to refer to the 
rules that you've broken and some of the rules are very technical. A good 
strategy might be to post your incorrect schema, and the message you are 
getting, and asking here for an explanation. You could also consider 
installing a tool such as Stylus Studio which gives you a choice of 
several schema validators. This can be useful because the error message 
from one product might be clearer than another.
Michael Kay

From: xmlschema-dev-request@w3.org [mailto:xmlschema-dev-request@w3.org] 
On Behalf Of Grattan, Steven
Sent: 04 October 2006 16:30
To: xmlschema-dev@w3.org
Subject: Schema Validator

I’m new to XML Schemas. I’ve submitted a schema for validation by your 
tool but I can’t understand the output. Is it possible to indicate where 
in the schema the errors are occurring and possible suggestions for 
I know it’s a big ask but newbies need the most help.
Thanks in advance,
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Received on Wednesday, 4 October 2006 18:04:16 UTC

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