I think the problem is that you do not have any content defined for
the element. Therefore, the only thing that is allowed is a null
element with a single attribute.  You can use simpleContent to add an
attribute to a simple base type as follows:

<xs:complex type name="PHRASE">
<xs:sequence>
<xs:element name="AC_RECORD_ID">
    <xs:complexType>
      <xs:simpleContent>
          <xs:extension base="xs:string">
            <xs:attribute name="e-dtype" type="xs:NMTOKEN"
fixed="int"/>
          </xs:extension>
      </xs:simpleContent>
   </xs:complexType>
</xs:element>
 ... other elements
</xs:sequence>
</xs:complexType>

Regards, 

Ed Day
Objective Systems, Inc.


rc0972@r... (Ritu) wrote in message news:<8777cccd.0409021320.32d9ca64@p...>...
> Hello Folks,
> 
> I am struggling to convert an existing DTD file to the XSD format. I
> encountered some problems and was hoping someone could help me out
> here.
> 
> I am using XMLspy to create the schema.
> 
> My original DTD statement looks like this
> 
> <!ELEMENT AC_RECORD_ID (#PCDATA)>
> <!ATTLIST AC_RECORD_ID
> 	e-dtype NMTOKEN #FIXED "int"
> >
> 
> 
> 
> In XSD I represent this by adding an atrribute to the AC_RECORD_ID
> element as in
> 
> <xs:complex type name="PHRASE">
> <xs:sequence>
> <xs:element name="AC_RECORD_ID">
>     <xs:complexType>
>           <xs:attribute name="e-dtype" type="xs:NMTOKEN" fixed="int"/>
>    </xs:complexType>
> </xs:element>
> ... other elements
> </xs:sequence>
> </xs:complexType>
> 
> When I try to validate my XML against this I get the following error
> 
> "unexpected element contents - AC_RECORD_ID is defined as EMPTY"
> 
> The XML block that gives this error is
> 
> <AC_RECORD_ID>124</AC_RECORD_ID>
> 
> 
> My problem is that I have not defined AC_RECORD_ID to be empty
> anywhere. Why does adding an attribute to it trigger this error?. Is
> there something missed out in the definition? If I remove the
> attribute the XML piece validates without problem.
> 
> I would really appreciate any pointers in this direction.
> 
> Cheers
> Ritu