m:notationstyle

<xs:simpleType name="notationstyle">
  <xs:restriction base="xs:token">
    <xs:enumeration value="longdiv"/>
    <xs:enumeration value="actuarial"/>
    <xs:enumeration value="radical"/>
    <xs:enumeration value="box"/>
    <xs:enumeration value="roundedbox"/>
    <xs:enumeration value="circle"/>
    <xs:enumeration value="left"/>
    <xs:enumeration value="right"/>
    <xs:enumeration value="top"/>
    <xs:enumeration value="bottom"/>
    <xs:enumeration value="updiagonalstrike"/>
    <xs:enumeration value="downdiagonalstrike"/>
    <xs:enumeration value="verticalstrike"/>
    <xs:enumeration value="horizontalstrike"/>
    <xs:enumeration value="madruwb"/>
  </xs:restriction>
</xs:simpleType>