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Doug DomenySubject: bug: validation of xml:lang attribute fails to satisfy schema requirement
Author: Doug Domeny
Date: 17 Jun 2004 04:47 PM
The internal SS validator returns this error when the external
validators, eg, .net xml parser, correctly validate the document.
The schema and xml document follow.

file://...\myfile.xml:2,193: Required attribute 'lang' was not provided

The XML document myfile.xml is NOT valid (1 errors)


Also, the Sense:X displays 'lang' instead of 'xml:lang'. It appears the
'xml:' namespace prefix is not properly handled.


FILE

<?xml version="1.0"?>
<root attr="1" xml:lang="en" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="file:///.../myfile.xsd">
<tag/>
</root>

SCHEMA


<?xml version="1.0"?>
<xs:schema elementFormDefault="qualified" xmlns:xs="http://www.w3.org/2001/XMLSchema">
<!--Import for xml:lang and xml:space-->
<xs:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="http://www.w3.org/2001/xml.xsd"/>

<xs:element name="root">
<xs:complexType>
<xs:sequence>
<xs:element name="tag" type="xs:string"/>
</xs:sequence>
<xs:attribute name="attr" type="xs:string" use="required"/>
<xs:attribute ref="xml:lang" use="required"/>
</xs:complexType>
</xs:element>
</xs:schema>

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Alberto MassariSubject: bug: validation of xml:lang attribute fails to satisfy schema requirement
Author: Alberto Massari
Date: 06 Jul 2004 10:25 AM
Hi Doug,
we have tracked the problem inside the Xerces parser, where
the "xml" namespace is treated in a special way together with
the "xmlns" and the "xsi" ones, and are not sent to the validator.
The patch is simple, but we need first to get in touch with the Xerces
team to understand why they did this in the first place.

Thanks for the report,
Alberto

 
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