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Re: xml Schema: restriction of Normalized string

From: George Cristian Bina <george@oxygenxml.com>
Date: Fri, 05 Dec 2008 10:01:21 +0200
Message-ID: <4938DFD1.7020308@oxygenxml.com>
To: bharathkr@huawei.com
Cc: xmlschema-dev@w3.org

That is not valid.

Saxon-SA will give you the following message:
SaxonSA] The whiteSpace normalization must not be weaker than that of 
the base type

Xerces says
[Xerces] whiteSpace-valid-restriction.2: In the definition of myType, 
the value 'preserve' for the facet 'whitespace' is invalid, because the 
value for 'whitespace' has been set to 'replace' in one of the ancestor 

oXygen adds also the following URL to the error message:
URL: http://www.w3.org/TR/xmlschema-2/#whiteSpace-valid-restriction

Now, if you look at the URL above that points to the spec you see the 
fragment below, look at point 2:
Schema Component Constraint: whiteSpace valid restriction
It is an ·error· if whiteSpace is among the members of {facets} of {base 
type definition} and any of the following conditions is true:
1 {value} is replace or preserve and the {value} of the parent 
whiteSpace is collapse
2 {value} is preserve and the {value} of the parent whiteSpace is replace

 From schema for schemas the definition of normalizedString is:

     <xs:simpleType id="normalizedString" name="normalizedString">
         <xs:restriction base="xs:string">
             <xs:whiteSpace id="normalizedString.whiteSpace" 

Best Regards,
George Cristian Bina
<oXygen/> XML Editor, Schema Editor and XSLT Editor/Debugger

bharath wrote:
> Hi….
> Can you please tell me the following is valid restriction or not…
> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
>        <xs:simpleType name="myType">
>               <xs:restriction base="xs:normalizedString">
>                      <xs:whiteSpace value="preserve"/>
>               </xs:restriction>
>        </xs:simpleType>
> </xs:schema>
> Thanks and regards,
> Bharath.
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Received on Friday, 5 December 2008 08:01:55 UTC

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