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

</xs:annotation>

<!– “int” –>

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

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

</xs:attributeGroup>

<xs:complexType name=“int.type”>

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

</xs:complexType>

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

<!– “diff” –>

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

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

</xs:attributeGroup>

<xs:complexType name=“diff.type”>

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

</xs:complexType>

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

<!– “partialdiff” –>

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

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

</xs:attributeGroup>

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

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

</xs:complexType>

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

<!– “limit” –>

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

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

</xs:attributeGroup>

<xs:complexType name=“limit.type”>

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

</xs:complexType>

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

<!– “lowlimit” –>

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

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

</xs:attributeGroup>

<xs:group name=“lowlimit.content”>

<xs:sequence>
  <xs:group ref="Content-expr.class"/>
</xs:sequence>

</xs:group>

<xs:complexType name=“lowlimit.type”>

<xs:group ref="lowlimit.content"  minOccurs="1" maxOccurs="unbounded"/>
<xs:attributeGroup ref="lowlimit.attlist"/>

</xs:complexType>

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

<!– “uplimit” –>

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

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

</xs:attributeGroup>

<xs:group name=“uplimit.content”>

<xs:sequence>
  <xs:group ref="Content-expr.class"/>
</xs:sequence>

</xs:group>

<xs:complexType name=“uplimit.type”>

<xs:group ref="uplimit.content"  minOccurs="1" maxOccurs="unbounded"/>
<xs:attributeGroup ref="uplimit.attlist"/>

</xs:complexType>

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

<!– “tendsto” –>

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

<xs:attribute name="type" type="xs:string"/>
<xs:attributeGroup ref="Definition.attrib"/>
<xs:attributeGroup ref="Common.attrib"/>

</xs:attributeGroup>

<xs:complexType name=“tendsto.type”>

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

</xs:complexType>

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

<!– And the group of everything –>

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

<xs:choice>
  <xs:element ref="int"/>
  <xs:element ref="diff"/>
  <xs:element ref="partialdiff"/>
  <xs:element ref="limit"/>
  <xs:element ref="lowlimit"/>
  <xs:element ref="uplimit"/>
  <xs:element ref="tendsto"/>
</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/.
-->