<!-- DTD combining CNXML and MathML modules                          -->
<!-- Version 0.4                                                     -->
<!--                                                                 -->   
<!-- This entity may be identified by the following PUBLIC           -->
<!-- and SYSTEM identifiers                                          -->
<!--                                                                 -->
<!-- PUBLIC:  -//CNX//DTD CNXML 0.4 plus MathML plus QML//EN         -->
<!-- SYSTEM:  http://cnx.rice.edu/cnxml/0.4/DTD/cnxml_mathml_qml.dtd -->
<!--                                                                 -->
<!-- CVS Version: $Revision: 1.8 $                                   -->
<!-- Modified: $Date: 2002/01/18 22:17:11 $                          -->
<!-- Maintained by the CNXML langauge team                           -->
<!-- email: cnxml@cnx.rice.edu                                       -->
<!--                                                                 -->

<!-- Bring in CNXML qualified names -->
<!ENTITY % cnxml-qname.mod SYSTEM "cnxml-qname-1.mod" >
%cnxml-qname.mod;

<!-- Use the default MathML prefix ("m") --> 
<!ENTITY % MATHML.prefixed "INCLUDE" >

<!-- Use the default MDML prefix ("md") --> 
<!ENTITY % MDML.prefixed "INCLUDE" >

<!-- Bring in MDML qualified names -->
<!ENTITY % mdml-qname.mod PUBLIC "-//CNX//ENTITIES MDML 0.4 Qualified Names 1.0//EN" "mdml-qname-1.mod">
%mdml-qname.mod;

<!-- Bring in MathML qualified names -->
<!ENTITY % mathml-qname.mod PUBLIC "-//W3C//ENTITIES MathML 2.0 Qualified Names 1.0//EN" "mathml2-qname-1.mod">
%mathml-qname.mod;

<!-- Use the default QML prefix ("q") --> 
<!ENTITY % QML.prefixed "INCLUDE" >

<!-- Bring in QML qualified names -->
<!ENTITY % qml-qname.mod PUBLIC "-//CNX//ENTITIES QML 1.0 Qualified Names 1.0//EN" "qml1-qname-1.mod">
%qml-qname.mod;

<!-- Define all xmlns attributes  -->
<!ENTITY % NS.decl.attrib "%CNXML.xmlns.extra.attrib; %MDML.xmlns.extra.attrib; %MATHML.xmlns.attrib; %QML.xmlns.extra.attrib;">

<!-- Define CNXML text model to include math -->
<!ENTITY % CNXML.textextras "#PCDATA|%math.qname;">

<!-- Update content model for 'equation' to allow math -->
<!ENTITY % CNXML.equation.content "((%CNXML.name.qname;)?, %math.qname;)">

<!-- Update content model for 'exercise' to allow qml -->
<!ENTITY % CNXML.exercise.content "(%QML.item.qname;)">

<!-- Update content model for 'content' to allow problemsets -->
<!ENTITY % CNXML.content.content "(%CNXML.section.qname;|%CNXML.para.qname;|%CNXML.equation.qname;|%CNXML.list.qname;|%CNXML.codeblock.qname;|%CNXML.figure.qname;|%CNXML.table.qname;|%CNXML.example.qname;|%CNXML.exercise.qname;|%CNXML.definition.qname;|%CNXML.rule.qname;|%QML.problemset.qname;)+">

<!-- Update content model for QML marked up text to allow ... -->
<!ENTITY % QML.text "(#PCDATA|%math.qname;|%CNXML.section.qname;|%CNXML.media.qname;)*">

<!-- Bring in MDML elements  -->
<!ENTITY % mdml.mod PUBLIC "-//CNX//ELEMENTS MDML 0.4 Elements//EN" "mdml.mod">
%mdml.mod;

<!-- Update content model for 'metadata' to match MDML  -->
<!ENTITY % CNXML.metadata.content "%MDML.metadata.content;">

<!-- Bring in CNXML elements  -->
<!ENTITY % cnxml.mod SYSTEM "cnxml.mod" >
%cnxml.mod;

<!-- Bring in MathML elements  -->
<!ENTITY % mathml.mod PUBLIC "-//W3C//DTD MathML 2.0//EN" "mathml2.dtd">
%mathml.mod;

<!-- Bring in QML elements  -->
<!ENTITY % qml.mod PUBLIC "-//CNX//ELEMENTS QML 1.0 Elements//EN" "qml1.mod">
%qml.mod;