type

<xsd:attribute name="type" use="optional" default="penDown">
  <xsd:simpleType>
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="penDown"/>
      <xsd:enumeration value="penUp"/>
      <xsd:enumeration value="indeterminate"/>
    </xsd:restriction>
  </xsd:simpleType>
</xsd:attribute>