<?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 defining the "math" element of MathML.
Author: St&#233;phane Dalmas, INRIA.
</xs:documentation>

</xs:annotation>

<!– The four groups that govern a lot of things –>

<!– currently very lax. Should be tightened from Chapter 5 –>

<xs:group name=“Presentation-expr.class”>

<xs:choice>
  <xs:group ref="PresExpr.class"/>
  <xs:group ref="ContExpr.class"/>
</xs:choice>

</xs:group>

<xs:group name=“Content-expr.class”>

<xs:choice>
  <xs:group ref="ContExpr.class"/>
  <xs:group ref="PresExpr.class"/>
</xs:choice>

</xs:group>

<xs:group name=“PresExpr.class”>

<xs:choice>
  <xs:group ref="Presentation-token.class"/>
  <xs:group ref="Presentation-layout.class"/>
  <xs:group ref="Presentation-script.class"/>
  <xs:group ref="Presentation-table.class"/>
  <xs:element ref="mspace"/>
  <xs:element ref="maction"/>
  <xs:element ref="merror"/>
  <xs:element ref="mstyle"/>
</xs:choice>

</xs:group>

<xs:group name=“ContExpr.class”>

<xs:choice>
  <xs:group ref="Content-tokens.class"/>
  <xs:group ref="Content-arith.class"/>
  <xs:group ref="Content-functions.class"/>
  <xs:group ref="Content-logic.class"/>
  <xs:group ref="Content-constants.class"/>
  <xs:group ref="Content-sets.class"/>
  <xs:group ref="Content-relations.class"/>
  <xs:group ref="Content-elementary-functions.class"/>
  <xs:group ref="Content-calculus.class"/>
  <xs:group ref="Content-linear-algebra.class"/>
  <xs:group ref="Content-vector-calculus.class"/>
  <xs:group ref="Content-statistics.class"/>
  <xs:group ref="Content-constructs.class"/>
  <xs:element ref="semantics"/>
</xs:choice>

</xs:group>

<!– “math” –>

<xs:attributeGroup name=“Browser-interface.attrib”>

<xs:attribute name="baseline" type="xs:string"/>
<xs:attribute name="overflow" default="scroll">
  <xs:simpleType>
    <xs:restriction base="xs:string">
      <xs:enumeration value="scroll"/>
      <xs:enumeration value="elide"/>
      <xs:enumeration value="truncate"/>
      <xs:enumeration value="scale"/>
    </xs:restriction>
  </xs:simpleType>
</xs:attribute>
<xs:attribute name="altimg" type="xs:anyURI"/>
<xs:attribute name="alttext" type="xs:string"/>
<xs:attribute name="type" type="xs:string"/>
<xs:attribute name="name" type="xs:string"/>
<xs:attribute name="height" type="xs:string"/>
<xs:attribute name="width" type="xs:string"/>

</xs:attributeGroup>

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

<xs:attributeGroup ref="Browser-interface.attrib"/>
<xs:attribute name="macros" type="xs:string"/>

<!– deprecated

<xs:attribute name="mode" type="xs:string"/>

–>

<xs:attribute name="display" default="inline">
  <xs:simpleType>
    <xs:restriction base="xs:string">
      <xs:enumeration value="block"/>
      <xs:enumeration value="inline"/>
    </xs:restriction>
  </xs:simpleType>
</xs:attribute>
<xs:attributeGroup ref="Common.attrib"/>

</xs:attributeGroup>

<xs:group name=“math.content”>

<xs:choice>
  <xs:group ref="PresExpr.class"/>
  <xs:group ref="ContExpr.class"/>
</xs:choice>

</xs:group>

<xs:complexType name=“math.type”>

<xs:group ref="math.content" minOccurs="0" maxOccurs="unbounded"/>
<xs:attributeGroup ref="math.attlist"/>

</xs:complexType>

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

</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/.
-->