Attribute question

Hi,

I want for XML-output something like this
...
<Row>
<Entrie type="decimal" digits="3">blabla</Entrie>
<Entrie type="integer" digits="0">blabla</Entrie>
</Row>

My schema:
...
<xs:sequence>
<xs:element name="Entrie" type="xs:string">
<xs:complexType>
<xs:complexContent>
<xs:restriction base="xs:anyType">
<xs:attribute name="type" type="xs:string" use="required"/>
<xs:attribute name="digits" type="xs:integer" use="optional"/>
</xs:restriction>
</xs:complexContent>
</xs:complexType>
</xs:element>
</xs:sequence>

But this "schema code" doesn't function.
When I want to validate my xml against this schema in XMLSpy it says 
"unexpected attributes". Without attributes I can validate it. Strange.
Am I right or XMLSpy?

Thanks
Jonny

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