I have a schema that validates with just about everything (XML Spy, Xerces) 
but not MS-XML.

The problem seems to be around the use of simpleContent or complexContent 
and these types:

Here are my base definitions of the types that I use:

    <xsd:complexType name="C-255"> 
       <xsd:simpleContent> 
          <xsd:extension base="C-255_NoID"> 
             <xsd:attribute ref="id"/> 
          </xsd:extension> 
       </xsd:simpleContent> 
    </xsd:complexType> 
    <xsd:simpleType name="C-255_NoID"> 
       <xsd:restriction base="xsd:string"> 
          <xsd:maxLength value="255"/> 
          <xsd:minLength value="1"/> 
       </xsd:restriction> 
    </xsd:simpleType> 

I then have the following:

    <xsd:element name="HelpText"> 
       <xsd:complexType> 
          <xsd:complexContent> 
             <xsd:extension base="C-255"> 
                <xsd:attribute ref="xml:lang"/> 
             </xsd:extension> 
          </xsd:complexContent> 
       </xsd:complexType> 
    </xsd:element> 

MS-XML indicates that instead of complexContent, the definition of HelpText 
should use simpleContent. Is this correct? Is this a real error or a 
preferred way to define this element?

If MS-XML is correct, could we have made the Schema process any more 
difficult? Why can't I use complexContent, with a type defined as a 
complexType and simpleContent with a type defined as simpleType?

..dan


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