m:semantics

<xs:group name="semantics">
  <xs:sequence>
    <xs:element name="semantics">
      <xs:complexType>
        <xs:sequence>
          <xs:group ref="m:MathExpression"/>
          <xs:choice minOccurs="0" maxOccurs="unbounded">
            <xs:element ref="m:annotation"/>
            <xs:element ref="m:annotation-xml"/>
          </xs:choice>
        </xs:sequence>
        <xs:attributeGroup ref="m:semantics.attributes"/>
      </xs:complexType>
    </xs:element>
  </xs:sequence>
</xs:group>