<?xml version=“1.0” encoding=“UTF-8”?>

<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 vector calculs operators of content
MathML. 
Author: St&#233;phane Dalmas, INRIA.
</xs:documentation>

</xs:annotation>

<!– “divergence” –>

<xs:attributeGroup name=“divergence.attlist”>

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

</xs:attributeGroup>

<xs:complexType name=“divergence.type”>

<xs:attributeGroup ref="divergence.attlist"/>

</xs:complexType>

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

<!– “grad” –>

<xs:attributeGroup name=“grad.attlist”>

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

</xs:attributeGroup>

<xs:complexType name=“grad.type”>

<xs:attributeGroup ref="grad.attlist"/>

</xs:complexType>

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

<!– “curl” –>

<xs:attributeGroup name=“curl.attlist”>

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

</xs:attributeGroup>

<xs:complexType name=“curl.type”>

<xs:attributeGroup ref="curl.attlist"/>

</xs:complexType>

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

<!– “laplacian” –>

<xs:attributeGroup name=“laplacian.attlist”>

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

</xs:attributeGroup>

<xs:complexType name=“laplacian.type”>

<xs:attributeGroup ref="laplacian.attlist"/>

</xs:complexType>

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

<!– And the group of everything –>

<xs:group name=“Content-vector-calculus.class”>

<xs:choice>
  <xs:element ref="divergence"/>
  <xs:element ref="grad"/>
  <xs:element ref="curl"/>
  <xs:element ref="laplacian"/>
</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/.
-->