XML Schema: Element with attributes containing only text?

<option value="test">sometext</option>

<xs:element name="option">
    <xs:complexType>
    	<xs:attribute name="value" type="xs:string" />
    </xs:complexType>
</xs:element>

<xs:element name="option" type="AttrElement" />

  <xs:complexType name="AttrElement">
    <xs:simpleContent>
      <xs:extension base="xs:string">
        <xs:attribute name="value" type="xs:string">
        </xs:attribute>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>

<xs:element name="option">
  <xs:complexType>
    <xs:simpleContent>
      <xs:extension base="xs:string">
        <xs:attribute name="value" type="xs:string">
        </xs:attribute>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>
</xs:element>