<xs:schema

 xmlns:xs="http://www.w3.org/2001/XMLSchema"
 xmlns="http://www.w3.org/1998/Math/MathML"
 targetNamespace="http://www.w3.org/1998/Math/MathML"
 elementFormDefault="qualified"
>

<xs:annotation>

<xs:documentation>
This is an XML Schema module for the relational operators of content MathML.
Author: St&#233;phane Dalmas, INRIA.
</xs:documentation>

</xs:annotation>

<!– a common type for all this –> <xs:complexType name=“Relations.type”>

<xs:attributeGroup ref="Definition.attrib"/>
<xs:attributeGroup ref="Common.attrib"/>

</xs:complexType>

<xs:element name=“eq” type=“Relations.type”/> <xs:element name=“neq” type=“Relations.type”/> <xs:element name=“leq” type=“Relations.type”/> <xs:element name=“lt” type=“Relations.type”/> <xs:element name=“geq” type=“Relations.type”/> <xs:element name=“gt” type=“Relations.type”/>

<xs:element name=“equivalent” type=“Relations.type”/>

<xs:element name=“approx” type=“Relations.type”/>

<xs:element name=“factorof” type=“Relations.type”/>

<!– And the group of everything –> <xs:group name=“Content-relations.class”>

<xs:choice>
  <xs:element ref="eq"/>
  <xs:element ref="neq"/>
  <xs:element ref="leq"/>
  <xs:element ref="lt"/>
  <xs:element ref="geq"/>
  <xs:element ref="gt"/>
  <xs:element ref="equivalent"/>
  <xs:element ref="approx"/>
  <xs:element ref="factorof"/>
</xs:choice>

</xs:group>

</xs:schema> <!–

Copyright &#251; 2002 World Wide Web Consortium, (Massachusetts Institute
of Technology, Institut National de Recherche en Informatique et en
Automatique, Keio University). All Rights Reserved. See
http://www.w3.org/Consortium/Legal/.
-->