<xsd:attribute xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="bwmode" >
  <xsd:annotation>
    <xsd:documentation>For more information on this attribute, please refer to the VML Reference, located online in the Microsoft Developer Network (MSDN) Library.</xsd:documentation>
  </xsd:annotation>
  <xsd:simpleType>
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="color"/>
      <xsd:enumeration value="auto"/>
      <xsd:enumeration value="grayscale"/>
      <xsd:enumeration value="lightGrayScale"/>
      <xsd:enumeration value="inverseGray"/>
      <xsd:enumeration value="grayOutline"/>
      <xsd:enumeration value="highContrast"/>
      <xsd:enumeration value="black"/>
      <xsd:enumeration value="white"/>
      <xsd:enumeration value="hide"/>
      <xsd:enumeration value="numModes"/>
      <xsd:enumeration value="undrawn"/>
      <xsd:enumeration value="blackTextAndLines"/>
    </xsd:restriction>
  </xsd:simpleType>
</xsd:attribute>