<?xml version='1.0' encoding='utf-8' ?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <xsd:element name="doxygen" type="DoxygenType"/>

  <!-- Complex types -->

  <xsd:complexType name="DoxygenType">
    <xsd:sequence maxOccurs="unbounded">
      <xsd:element name="compounddef" type="compounddefType" minOccurs="0" />
    </xsd:sequence>
    <xsd:attribute name="version" type="DoxVersionNumber" use="required" />
  </xsd:complexType>

  <xsd:complexType name="compounddefType">
    <xsd:sequence>
      <xsd:element name="compoundname" type="xsd:string"/>
      <xsd:element name="title" type="xsd:string" minOccurs="0" />
      <xsd:element name="basecompoundref" type="compoundRefType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="derivedcompoundref" type="compoundRefType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="includes" type="incType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="includedby" type="incType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="incdepgraph" type="graphType" minOccurs="0" />
      <xsd:element name="invincdepgraph" type="graphType" minOccurs="0" />
      <xsd:element name="innerdir" type="refType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="innerfile" type="refType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="innerclass" type="refType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="innernamespace" type="refType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="innerpage" type="refType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="innergroup" type="refType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="templateparamlist" type="templateparamlistType" minOccurs="0" />
      <xsd:element name="sectiondef" type="sectiondefType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="briefdescription" type="descriptionType" minOccurs="0" />
      <xsd:element name="detaileddescription" type="descriptionType" minOccurs="0" />
      <xsd:element name="inheritancegraph" type="graphType" minOccurs="0" />
      <xsd:element name="collaborationgraph" type="graphType" minOccurs="0" />
      <xsd:element name="programlisting" type="listingType" minOccurs="0" />
      <xsd:element name="location" type="locationType" minOccurs="0" />
      <xsd:element name="listofallmembers" type="listofallmembersType" minOccurs="0" />
    </xsd:sequence>
    <xsd:attribute name="id" type="xsd:string" />
    <xsd:attribute name="kind" type="DoxCompoundKind" />
    <xsd:attribute name="prot" type="DoxProtectionKind" />
    <xsd:attribute name="final" type="DoxBool" use="optional"/>
    <xsd:attribute name="sealed" type="DoxBool" use="optional"/>
    <xsd:attribute name="abstract" type="DoxBool" use="optional"/>
  </xsd:complexType>

  <xsd:complexType name="listofallmembersType">
    <xsd:sequence>
      <xsd:element name="member" type="memberRefType" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="memberRefType">
    <xsd:sequence>
      <xsd:element name="scope" />
      <xsd:element name="name" />
    </xsd:sequence>
    <xsd:attribute name="refid" type="xsd:string" />
    <xsd:attribute name="prot" type="DoxProtectionKind" />
    <xsd:attribute name="virt" type="DoxVirtualKind" />
    <xsd:attribute name="ambiguityscope" type="xsd:string" />
  </xsd:complexType>

  <xsd:complexType name="compoundRefType">
    <xsd:simpleContent>
      <xsd:extension base="xsd:string">
        <xsd:attribute name="refid" type="xsd:string" use="optional" />
        <xsd:attribute name="prot" type="DoxProtectionKind" />
        <xsd:attribute name="virt" type="DoxVirtualKind" />
      </xsd:extension>
    </xsd:simpleContent>
  </xsd:complexType>

  <xsd:complexType name="reimplementType">
    <xsd:simpleContent>
      <xsd:extension base="xsd:string">
        <xsd:attribute name="refid" type="xsd:string" />
      </xsd:extension>
    </xsd:simpleContent>
  </xsd:complexType>

  <xsd:complexType name="incType">
    <xsd:simpleContent>
      <xsd:extension base="xsd:string">
        <xsd:attribute name="refid" type="xsd:string" />
        <xsd:attribute name="local" type="DoxBool" />
      </xsd:extension>
    </xsd:simpleContent>
  </xsd:complexType>

  <xsd:complexType name="refType">
    <xsd:simpleContent>
      <xsd:extension base="xsd:string">
        <xsd:attribute name="refid" type="xsd:string" />
        <xsd:attribute name="prot" type="DoxProtectionKind" use="optional"/>
      </xsd:extension>
    </xsd:simpleContent>
  </xsd:complexType>

  <xsd:complexType name="refTextType">
    <xsd:simpleContent>
      <xsd:extension base="xsd:string">
       <xsd:attribute name="refid" type="xsd:string" />
       <xsd:attribute name="kindref" type="DoxRefKind" />
       <xsd:attribute name="external" type="xsd:string" use="optional"/>
       <xsd:attribute name="tooltip" type="xsd:string" use="optional"/>
      </xsd:extension>
    </xsd:simpleContent>
  </xsd:complexType>

  <xsd:complexType name="sectiondefType">
    <xsd:sequence>
      <xsd:element name="header" type="xsd:string" minOccurs="0" />
      <xsd:element name="description" type="descriptionType" minOccurs="0" />
      <xsd:element name="memberdef" type="memberdefType" maxOccurs="unbounded" />
    </xsd:sequence>
    <xsd:attribute name="kind" type="DoxSectionKind" />
  </xsd:complexType>

  <xsd:complexType name="memberdefType">
    <xsd:sequence>
      <xsd:element name="templateparamlist" type="templateparamlistType" minOccurs="0" />
      <xsd:element name="type" type="linkedTextType" minOccurs="0" />
      <xsd:element name="definition" minOccurs="0" />
      <xsd:element name="argsstring" minOccurs="0" />
      <xsd:element name="name" />
      <xsd:element name="read" minOccurs="0" />
      <xsd:element name="write" minOccurs="0" />
      <xsd:element name="bitfield" minOccurs="0" />
      <xsd:element name="reimplements" type="reimplementType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="reimplementedby" type="reimplementType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="param" type="paramType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="enumvalue" type="enumvalueType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="initializer" type="linkedTextType" minOccurs="0" />
      <xsd:element name="exceptions" type="linkedTextType" minOccurs="0" />
      <xsd:element name="briefdescription" type="descriptionType" minOccurs="0" />
      <xsd:element name="detaileddescription" type="descriptionType" minOccurs="0" />
      <xsd:element name="inbodydescription" type="descriptionType" minOccurs="0" />
      <xsd:element name="location" type="locationType" />
      <xsd:element name="references" type="referenceType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="referencedby" type="referenceType" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
    <xsd:attribute name="kind" type="DoxMemberKind" />
    <xsd:attribute name="id" type="xsd:string" />
    <xsd:attribute name="prot" type="DoxProtectionKind" />
    <xsd:attribute name="static" type="DoxBool" />
    <xsd:attribute name="const" type="DoxBool" />
    <xsd:attribute name="explicit" type="DoxBool" />
    <xsd:attribute name="inline" type="DoxBool" />
    <xsd:attribute name="virt" type="DoxVirtualKind" />
    <xsd:attribute name="volatile" type="DoxBool" />
    <xsd:attribute name="mutable" type="DoxBool" />
    <!-- Qt property -->
    <xsd:attribute name="readable" type="DoxBool" use="optional"/>
    <xsd:attribute name="writable" type="DoxBool" use="optional"/>
    <!-- C++/CLI variable -->
    <xsd:attribute name="initonly" type="DoxBool" use="optional"/>
    <!-- C++/CLI and C# property -->
    <xsd:attribute name="settable" type="DoxBool" use="optional"/>
    <xsd:attribute name="gettable" type="DoxBool" use="optional"/>
    <!-- C++/CLI function -->
    <xsd:attribute name="final" type="DoxBool" use="optional"/>
    <xsd:attribute name="sealed" type="DoxBool" use="optional"/>
    <xsd:attribute name="new" type="DoxBool" use="optional"/>
    <!-- C++/CLI event -->
    <xsd:attribute name="add" type="DoxBool" use="optional"/>
    <xsd:attribute name="remove" type="DoxBool" use="optional"/>
    <xsd:attribute name="raise" type="DoxBool" use="optional"/>
    <!-- Objective-C 2.0 protocol method -->
    <xsd:attribute name="optional" type="DoxBool" use="optional"/>
    <xsd:attribute name="required" type="DoxBool" use="optional"/>
    <!-- Objective-C 2.0 property accessor -->
    <xsd:attribute name="accessor" type="DoxAccessor" use="optional"/>
    <!-- UNO IDL -->
    <xsd:attribute name="attribute" type="DoxBool" use="optional"/>
    <xsd:attribute name="property" type="DoxBool" use="optional"/>
    <xsd:attribute name="readonly" type="DoxBool" use="optional"/>
    <xsd:attribute name="bound" type="DoxBool" use="optional"/>
    <xsd:attribute name="removable" type="DoxBool" use="optional"/>
    <xsd:attribute name="contrained" type="DoxBool" use="optional"/>
    <xsd:attribute name="transient" type="DoxBool" use="optional"/>
    <xsd:attribute name="maybevoid" type="DoxBool" use="optional"/>
    <xsd:attribute name="maybedefault" type="DoxBool" use="optional"/>
    <xsd:attribute name="maybeambiguous" type="DoxBool" use="optional"/>

  </xsd:complexType>

  <xsd:complexType name="descriptionType" mixed="true">
    <xsd:sequence>
      <xsd:element name="title" type="xsd:string" minOccurs="0"/>	    
      <xsd:element name="para" type="docParaType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="sect1" type="docSect1Type" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="internal" type="docInternalType" minOccurs="0" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="enumvalueType" mixed="true">
    <xsd:sequence>
      <xsd:element name="name" />
      <xsd:element name="initializer" type="linkedTextType" minOccurs="0" />
      <xsd:element name="briefdescription" type="descriptionType" minOccurs="0" />
      <xsd:element name="detaileddescription" type="descriptionType" minOccurs="0" />
    </xsd:sequence>
    <xsd:attribute name="id" type="xsd:string" />
    <xsd:attribute name="prot" type="DoxProtectionKind" />
  </xsd:complexType>

  <xsd:complexType name="templateparamlistType">
    <xsd:sequence>
      <xsd:element name="param" type="paramType" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="paramType">
    <xsd:sequence>
      <xsd:element name="attributes" type="linkedTextType" minOccurs="0"/>
      <xsd:element name="type" type="linkedTextType" minOccurs="0" />
      <xsd:element name="declname" minOccurs="0" />
      <xsd:element name="defname" minOccurs="0" />
      <xsd:element name="array" minOccurs="0" />
      <xsd:element name="defval" type="linkedTextType" minOccurs="0" />
      <xsd:element name="briefdescription" type="descriptionType" minOccurs="0" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="linkedTextType" mixed="true">
    <xsd:sequence>
    <xsd:element name="ref" type="refTextType" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="graphType">
    <xsd:sequence>
      <xsd:element name="node" type="nodeType" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="nodeType">
    <xsd:sequence>
      <xsd:element name="label" />
      <xsd:element name="link" type="linkType" minOccurs="0" />
      <xsd:element name="childnode" type="childnodeType" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
    <xsd:attribute name="id" type="xsd:string" />
  </xsd:complexType>

  <xsd:complexType name="childnodeType">
    <xsd:sequence>
      <xsd:element name="edgelabel" minOccurs="0" maxOccurs="unbounded"/>
    </xsd:sequence>
    <xsd:attribute name="refid" type="xsd:string" />
    <xsd:attribute name="relation" type="DoxGraphRelation" />
  </xsd:complexType>

  <xsd:complexType name="linkType">
    <xsd:attribute name="refid" type="xsd:string" />
    <xsd:attribute name="external" type="xsd:string" use="optional"/>
  </xsd:complexType>

  <xsd:complexType name="listingType">
    <xsd:sequence>
      <xsd:element name="codeline" type="codelineType" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="codelineType">
    <xsd:sequence>
      <xsd:element name="highlight" type="highlightType" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
    <xsd:attribute name="lineno" type="xsd:integer" />
    <xsd:attribute name="refid" type="xsd:string" />
    <xsd:attribute name="refkind" type="DoxRefKind" />
    <xsd:attribute name="external" type="DoxBool" />
  </xsd:complexType>

  <xsd:complexType name="highlightType" mixed="true">
    <xsd:choice minOccurs="0" maxOccurs="unbounded">
      <xsd:element name="sp" />
      <xsd:element name="ref" type="refTextType" />
    </xsd:choice>
    <xsd:attribute name="class" type="DoxHighlightClass" />
  </xsd:complexType>

  <xsd:complexType name="referenceType" mixed="true">
    <xsd:attribute name="refid" type="xsd:string" />
    <xsd:attribute name="compoundref" type="xsd:string" use="optional" />
    <xsd:attribute name="startline" type="xsd:integer" />
    <xsd:attribute name="endline" type="xsd:integer" />
  </xsd:complexType>

  <xsd:complexType name="locationType">
    <xsd:attribute name="file" type="xsd:string" />
    <xsd:attribute name="line" type="xsd:integer" />
    <xsd:attribute name="column" type="xsd:integer" use="optional"/>
    <xsd:attribute name="bodyfile" type="xsd:string" />
    <xsd:attribute name="bodystart" type="xsd:integer" />
    <xsd:attribute name="bodyend" type="xsd:integer" />
  </xsd:complexType>

  <xsd:complexType name="docSect1Type" mixed="true">
    <xsd:sequence>
      <xsd:element name="title" type="xsd:string" />	    
      <xsd:element name="para" type="docParaType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="sect2" type="docSect2Type" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="internal" type="docInternalS1Type" minOccurs="0" />
    </xsd:sequence>
    <xsd:attribute name="id" type="xsd:string" />
  </xsd:complexType>

  <xsd:complexType name="docSect2Type" mixed="true">
    <xsd:sequence>
      <xsd:element name="title" type="xsd:string" />	    
      <xsd:element name="para" type="docParaType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="sect3" type="docSect3Type" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="internal" type="docInternalS2Type" minOccurs="0" />
    </xsd:sequence>
    <xsd:attribute name="id" type="xsd:string" />
  </xsd:complexType>

  <xsd:complexType name="docSect3Type" mixed="true">
    <xsd:sequence>
      <xsd:element name="title" type="xsd:string" />	    
      <xsd:element name="para" type="docParaType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="sect4" type="docSect4Type" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="internal" type="docInternalS3Type" minOccurs="0" />
    </xsd:sequence>
    <xsd:attribute name="id" type="xsd:string" />
  </xsd:complexType>

  <xsd:complexType name="docSect4Type" mixed="true">
    <xsd:sequence>
      <xsd:element name="title" type="xsd:string" />	    
      <xsd:element name="para" type="docParaType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="internal" type="docInternalS4Type" minOccurs="0" />
    </xsd:sequence>
    <xsd:attribute name="id" type="xsd:string" />
  </xsd:complexType>

  <xsd:complexType name="docInternalType" mixed="true">
    <xsd:sequence>
      <xsd:element name="para"  type="docParaType"  minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="sect1" type="docSect1Type" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="docInternalS1Type" mixed="true">
    <xsd:sequence>
      <xsd:element name="para"  type="docParaType"  minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="sect2" type="docSect2Type" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="docInternalS2Type" mixed="true">
    <xsd:sequence>
      <xsd:element name="para"  type="docParaType"  minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="sect3" type="docSect3Type" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="docInternalS3Type" mixed="true">
    <xsd:sequence>
      <xsd:element name="para"  type="docParaType"  minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="sect3" type="docSect4Type" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="docInternalS4Type" mixed="true">
    <xsd:sequence>
      <xsd:element name="para"  type="docParaType"  minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:complexType>
 
  <xsd:group name="docTitleCmdGroup">
    <xsd:choice>
      <xsd:element name="ulink" type="docURLLink" />
      <xsd:element name="bold" type="docMarkupType" />
      <xsd:element name="emphasis" type="docMarkupType" />
      <xsd:element name="computeroutput" type="docMarkupType" />
      <xsd:element name="subscript" type="docMarkupType" />
      <xsd:element name="superscript" type="docMarkupType" />
      <xsd:element name="center" type="docMarkupType" />
      <xsd:element name="small" type="docMarkupType" />
      <xsd:element name="htmlonly" type="xsd:string" />
      <xsd:element name="manonly" type="xsd:string" />
      <xsd:element name="xmlonly" type="xsd:string" />
      <xsd:element name="rtfonly" type="xsd:string" />
      <xsd:element name="latexonly" type="xsd:string" />
      <xsd:element name="dot" type="xsd:string" />
      <xsd:element name="msc" type="xsd:string" />
      <xsd:element name="anchor" type="docAnchorType" />
      <xsd:element name="formula" type="docFormulaType" />
      <xsd:element name="ref" type="docRefTextType" />
      <xsd:element name="copy" type="docEmptyType" />
      <xsd:element name="trademark" type="docEmptyType" />
      <xsd:element name="registered" type="docEmptyType" />
      <xsd:element name="lsquo" type="docEmptyType" />
      <xsd:element name="rsquo" type="docEmptyType" />
      <xsd:element name="ldquo" type="docEmptyType" />
      <xsd:element name="rdquo" type="docEmptyType" />
      <xsd:element name="ndash" type="docEmptyType" />
      <xsd:element name="mdash" type="docEmptyType" />
      <xsd:element name="umlaut" type="docCharType" />
      <xsd:element name="acute" type="docCharType" />
      <xsd:element name="grave" type="docCharType" />
      <xsd:element name="circ" type="docCharType" />
      <xsd:element name="slash" type="docCharType" />
      <xsd:element name="tilde" type="docCharType" />
      <xsd:element name="cedil" type="docCharType" />
      <xsd:element name="ring" type="docCharType" />
      <xsd:element name="szlig" type="docEmptyType" />
      <xsd:element name="nonbreakablespace" type="docEmptyType" />
      <xsd:element name="aelig" type="docEmptyType" />
      <xsd:element name="AElig" type="docEmptyType" />
      <xsd:element name="Gamma" type="docEmptyType" />
      <xsd:element name="Delta" type="docEmptyType" />
      <xsd:element name="Theta" type="docEmptyType" />
      <xsd:element name="Lambda" type="docEmptyType" />
      <xsd:element name="Xi" type="docEmptyType" />
      <xsd:element name="Pi" type="docEmptyType" />
      <xsd:element name="Sigma" type="docEmptyType" />
      <xsd:element name="Upsilon" type="docEmptyType" />
      <xsd:element name="Phi" type="docEmptyType" />
      <xsd:element name="Psi" type="docEmptyType" />
      <xsd:element name="Omega" type="docEmptyType" />
      <xsd:element name="alpha" type="docEmptyType" />
      <xsd:element name="beta" type="docEmptyType" />
      <xsd:element name="gamma" type="docEmptyType" />
      <xsd:element name="delta" type="docEmptyType" />
      <xsd:element name="epsilon" type="docEmptyType" />
      <xsd:element name="zeta" type="docEmptyType" />
      <xsd:element name="eta" type="docEmptyType" />
      <xsd:element name="theta" type="docEmptyType" />
      <xsd:element name="iota" type="docEmptyType" />
      <xsd:element name="kappa" type="docEmptyType" />
      <xsd:element name="lambda" type="docEmptyType" />
      <xsd:element name="mu" type="docEmptyType" />
      <xsd:element name="nu" type="docEmptyType" />
      <xsd:element name="xi" type="docEmptyType" />
      <xsd:element name="pi" type="docEmptyType" />
      <xsd:element name="rho" type="docEmptyType" />
      <xsd:element name="sigma" type="docEmptyType" />
      <xsd:element name="tau" type="docEmptyType" />
      <xsd:element name="upsilon" type="docEmptyType" />
      <xsd:element name="phi" type="docEmptyType" />
      <xsd:element name="chi" type="docEmptyType" />
      <xsd:element name="psi" type="docEmptyType" />
      <xsd:element name="omega" type="docEmptyType" />
      <xsd:element name="sigmaf" type="docEmptyType" />
      <xsd:element name="sect" type="docEmptyType" />
      <xsd:element name="deg" type="docEmptyType" />
      <xsd:element name="prime" type="docEmptyType" />
      <xsd:element name="Prime" type="docEmptyType" />
      <xsd:element name="infin" type="docEmptyType" />
      <xsd:element name="empty" type="docEmptyType" />
      <xsd:element name="plusmn" type="docEmptyType" />
      <xsd:element name="times" type="docEmptyType" />
      <xsd:element name="minus" type="docEmptyType" />
      <xsd:element name="sdot" type="docEmptyType" />
      <xsd:element name="part" type="docEmptyType" />
      <xsd:element name="nabla" type="docEmptyType" />
      <xsd:element name="radic" type="docEmptyType" />
      <xsd:element name="perp" type="docEmptyType" />
      <xsd:element name="sum" type="docEmptyType" />
      <xsd:element name="int" type="docEmptyType" />
      <xsd:element name="prod" type="docEmptyType" />
      <xsd:element name="sim" type="docEmptyType" />
      <xsd:element name="asymp" type="docEmptyType" />
      <xsd:element name="ne" type="docEmptyType" />
      <xsd:element name="equiv" type="docEmptyType" />
      <xsd:element name="prop" type="docEmptyType" />
      <xsd:element name="le" type="docEmptyType" />
      <xsd:element name="ge" type="docEmptyType" />
      <xsd:element name="larr" type="docEmptyType" />
      <xsd:element name="rarr" type="docEmptyType" />
      <xsd:element name="isin" type="docEmptyType" />
      <xsd:element name="notin" type="docEmptyType" />
      <xsd:element name="lceil" type="docEmptyType" />
      <xsd:element name="rceil" type="docEmptyType" />
      <xsd:element name="lfloor" type="docEmptyType" />
      <xsd:element name="rfloor" type="docEmptyType" />
    </xsd:choice>
  </xsd:group>

  <xsd:complexType name="docTitleType" mixed="true">
    <xsd:group ref="docTitleCmdGroup" minOccurs="0" maxOccurs="unbounded" />
  </xsd:complexType>

  <xsd:group name="docCmdGroup">
    <xsd:choice>
      <xsd:group ref="docTitleCmdGroup"/>
      <xsd:element name="linebreak" type="docEmptyType" />
      <xsd:element name="hruler" type="docEmptyType" />
      <xsd:element name="preformatted" type="docMarkupType" />
      <xsd:element name="programlisting" type="listingType" />
      <xsd:element name="verbatim" type="xsd:string" />
      <xsd:element name="indexentry" type="docIndexEntryType" />
      <xsd:element name="orderedlist" type="docListType" />
      <xsd:element name="itemizedlist" type="docListType" />
      <xsd:element name="simplesect" type="docSimpleSectType" />
      <xsd:element name="title" type="docTitleType" />
      <xsd:element name="variablelist" type="docVariableListType" />
      <xsd:element name="table" type="docTableType" />
      <xsd:element name="heading" type="docHeadingType" />
      <xsd:element name="image" type="docImageType" />
      <xsd:element name="dotfile" type="docFileType" />
      <xsd:element name="mscfile" type="docFileType" />
      <xsd:element name="diafile" type="docFileType" />
      <xsd:element name="toclist" type="docTocListType" />
      <xsd:element name="language" type="docLanguageType" />
      <xsd:element name="parameterlist" type="docParamListType" />
      <xsd:element name="xrefsect" type="docXRefSectType" />
      <xsd:element name="copydoc" type="docCopyType" />
      <xsd:element name="blockquote" type="docBlockQuoteType" />
      <xsd:element name="parblock" type="docParBlockType" />
    </xsd:choice>
  </xsd:group>

  <xsd:complexType name="docParaType" mixed="true">
    <xsd:group ref="docCmdGroup" minOccurs="0" maxOccurs="unbounded" />
  </xsd:complexType>

  <xsd:complexType name="docMarkupType" mixed="true">
    <xsd:group ref="docCmdGroup" minOccurs="0" maxOccurs="unbounded" />
  </xsd:complexType>

  <xsd:complexType name="docURLLink" mixed="true">
    <xsd:group ref="docTitleCmdGroup" minOccurs="0" maxOccurs="unbounded" />
    <xsd:attribute name="url" type="xsd:string" />
  </xsd:complexType>

  <xsd:complexType name="docAnchorType" mixed="true">
    <xsd:attribute name="id" type="xsd:string" />
  </xsd:complexType>

  <xsd:complexType name="docFormulaType" mixed="true">
    <xsd:attribute name="id" type="xsd:string" />
  </xsd:complexType>

  <xsd:complexType name="docIndexEntryType">
    <xsd:sequence>
      <xsd:element name="primaryie" type="xsd:string" />
      <xsd:element name="secondaryie" type="xsd:string" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="docListType">
    <xsd:sequence>
      <xsd:element name="listitem" type="docListItemType" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="docListItemType">
    <xsd:sequence>
      <xsd:element name="para" type="docParaType" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="docSimpleSectType">
    <xsd:sequence>
      <xsd:element name="title" type="docTitleType" minOccurs="0" />
      <xsd:sequence minOccurs="0" maxOccurs="unbounded">
        <xsd:element name="para" type="docParaType" minOccurs="1" maxOccurs="unbounded" />
        <xsd:element name="simplesectsep" type="docEmptyType" minOccurs="0"/>
      </xsd:sequence>
    </xsd:sequence>
    <xsd:attribute name="kind" type="DoxSimpleSectKind" />
  </xsd:complexType>

  <xsd:complexType name="docVarListEntryType">
    <xsd:sequence>
      <xsd:element name="term" type="docTitleType" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:group name="docVariableListGroup">
    <xsd:sequence>
      <xsd:element name="varlistentry" type="docVarListEntryType" />
      <xsd:element name="listitem" type="docListItemType" />
    </xsd:sequence>
  </xsd:group>

  <xsd:complexType name="docVariableListType">
    <xsd:sequence>
      <xsd:group ref="docVariableListGroup" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="docRefTextType" mixed="true">
    <xsd:group ref="docTitleCmdGroup" minOccurs="0" maxOccurs="unbounded" />
    <xsd:attribute name="refid" type="xsd:string" />
    <xsd:attribute name="kindref" type="DoxRefKind" />
    <xsd:attribute name="external" type="xsd:string" />
  </xsd:complexType>

  <xsd:complexType name="docTableType">
    <xsd:sequence>
      <xsd:element name="row" type="docRowType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="caption" type="docCaptionType" minOccurs="0" />
    </xsd:sequence>
    <xsd:attribute name="rows" type="xsd:integer" />
    <xsd:attribute name="cols" type="xsd:integer" />
  </xsd:complexType>

  <xsd:complexType name="docRowType">
    <xsd:sequence>
      <xsd:element name="entry" type="docEntryType" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="docEntryType">
    <xsd:sequence>
      <xsd:element name="para" type="docParaType" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
    <xsd:attribute name="thead" type="DoxBool" />
  </xsd:complexType>

  <xsd:complexType name="docCaptionType" mixed="true">
    <xsd:group ref="docTitleCmdGroup" minOccurs="0" maxOccurs="unbounded" />
  </xsd:complexType>

  <xsd:complexType name="docHeadingType" mixed="true">
    <xsd:group ref="docTitleCmdGroup" minOccurs="0" maxOccurs="unbounded" />
    <xsd:attribute name="level" type="xsd:integer" /> <!-- todo: range 1-6 -->
  </xsd:complexType>

  <xsd:complexType name="docImageType" mixed="true">
    <xsd:group ref="docTitleCmdGroup" minOccurs="0" maxOccurs="unbounded" />
    <xsd:attribute name="type" type="DoxImageKind" /> 
    <xsd:attribute name="name" type="xsd:string" /> 
    <xsd:attribute name="width" type="xsd:string" /> 
    <xsd:attribute name="height" type="xsd:string" /> 
  </xsd:complexType>

  <xsd:complexType name="docFileType" mixed="true">
    <xsd:group ref="docTitleCmdGroup" minOccurs="0" maxOccurs="unbounded" />
    <xsd:attribute name="name" type="xsd:string" /> 
  </xsd:complexType>

  <xsd:complexType name="docTocItemType" mixed="true">
    <xsd:group ref="docTitleCmdGroup" minOccurs="0" maxOccurs="unbounded" />
    <xsd:attribute name="id" type="xsd:string" /> 
  </xsd:complexType>

  <xsd:complexType name="docTocListType">
    <xsd:sequence>
      <xsd:element name="tocitem" type="docTocItemType" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="docLanguageType">
    <xsd:sequence>
      <xsd:element name="para" type="docParaType" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
    <xsd:attribute name="langid" type="xsd:string" /> 
  </xsd:complexType>

  <xsd:complexType name="docParamListType">
    <xsd:sequence>
      <xsd:element name="parameteritem" type="docParamListItem" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
    <xsd:attribute name="kind" type="DoxParamListKind" /> 
  </xsd:complexType>

  <xsd:complexType name="docParamListItem">
    <xsd:sequence>
      <xsd:element name="parameternamelist" type="docParamNameList" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="parameterdescription" type="descriptionType" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="docParamNameList">
    <xsd:sequence>
      <xsd:element name="parametertype" type="docParamType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="parametername" type="docParamName" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="docParamType" mixed="true">
    <xsd:sequence>
      <xsd:element name="ref" type="refTextType" minOccurs="0" maxOccurs="1" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="docParamName" mixed="true">
    <xsd:sequence>
      <xsd:element name="ref" type="refTextType" minOccurs="0" maxOccurs="1" />
    </xsd:sequence>
    <xsd:attribute name="direction" type="DoxParamDir" use="optional" />
  </xsd:complexType>

  <xsd:complexType name="docXRefSectType">
    <xsd:sequence>
      <xsd:element name="xreftitle" type="xsd:string" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="xrefdescription" type="descriptionType" />
    </xsd:sequence>
    <xsd:attribute name="id" type="xsd:string" /> 
  </xsd:complexType>

  <xsd:complexType name="docCopyType">
    <xsd:sequence>
      <xsd:element name="para" type="docParaType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="sect1" type="docSect1Type" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element name="internal" type="docInternalType" minOccurs="0" />
    </xsd:sequence>
    <xsd:attribute name="link" type="xsd:string" /> 
  </xsd:complexType>

  <xsd:complexType name="docBlockQuoteType">
    <xsd:sequence>
      <xsd:element name="para" type="docParaType" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="docParBlockType">
    <xsd:sequence>
      <xsd:element name="para" type="docParaType" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="docCharType">
    <xsd:attribute name="char" type="DoxCharRange"/> 
  </xsd:complexType>

  <xsd:complexType name="docEmptyType"/>

  <!-- Simple types -->

  <xsd:simpleType name="DoxBool">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="yes" />
      <xsd:enumeration value="no" />
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:simpleType name="DoxGraphRelation">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="include" />
      <xsd:enumeration value="usage" />
      <xsd:enumeration value="template-instance" />
      <xsd:enumeration value="public-inheritance" />
      <xsd:enumeration value="protected-inheritance" />
      <xsd:enumeration value="private-inheritance" />
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:simpleType name="DoxRefKind">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="compound" />
      <xsd:enumeration value="member" />
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:simpleType name="DoxMemberKind">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="define" />
      <xsd:enumeration value="property" />
      <xsd:enumeration value="event" />
      <xsd:enumeration value="variable" />
      <xsd:enumeration value="typedef" />
      <xsd:enumeration value="enum" />
      <xsd:enumeration value="function" />
      <xsd:enumeration value="signal" />
      <xsd:enumeration value="prototype" />
      <xsd:enumeration value="friend" />
      <xsd:enumeration value="dcop" />
      <xsd:enumeration value="slot" />
      <xsd:enumeration value="interface" />
      <xsd:enumeration value="service" />
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:simpleType name="DoxProtectionKind">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="public" />
      <xsd:enumeration value="protected" />
      <xsd:enumeration value="private" />
      <xsd:enumeration value="package" />
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:simpleType name="DoxVirtualKind">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="non-virtual" />
      <xsd:enumeration value="virtual" />
      <xsd:enumeration value="pure-virtual" />
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:simpleType name="DoxCompoundKind">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="class" />
      <xsd:enumeration value="struct" />
      <xsd:enumeration value="union" />
      <xsd:enumeration value="interface" />
      <xsd:enumeration value="protocol" />
      <xsd:enumeration value="category" />
      <xsd:enumeration value="exception" />
      <xsd:enumeration value="service" />
      <xsd:enumeration value="singleton" />
      <xsd:enumeration value="module" />
      <xsd:enumeration value="type" />
      <xsd:enumeration value="file" />
      <xsd:enumeration value="namespace" />
      <xsd:enumeration value="group" />
      <xsd:enumeration value="page" />
      <xsd:enumeration value="example" />
      <xsd:enumeration value="dir" />
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:simpleType name="DoxSectionKind">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="user-defined" />
      <xsd:enumeration value="public-type" />
      <xsd:enumeration value="public-func" />
      <xsd:enumeration value="public-attrib" />
      <xsd:enumeration value="public-slot" />
      <xsd:enumeration value="signal" />
      <xsd:enumeration value="dcop-func" />
      <xsd:enumeration value="property" />
      <xsd:enumeration value="event" />
      <xsd:enumeration value="public-static-func" />
      <xsd:enumeration value="public-static-attrib" />
      <xsd:enumeration value="protected-type" />
      <xsd:enumeration value="protected-func" />
      <xsd:enumeration value="protected-attrib" />
      <xsd:enumeration value="protected-slot" />
      <xsd:enumeration value="protected-static-func" />
      <xsd:enumeration value="protected-static-attrib" />
      <xsd:enumeration value="package-type" />
      <xsd:enumeration value="package-func" />
      <xsd:enumeration value="package-attrib" />
      <xsd:enumeration value="package-static-func" />
      <xsd:enumeration value="package-static-attrib" />
      <xsd:enumeration value="private-type" />
      <xsd:enumeration value="private-func" />
      <xsd:enumeration value="private-attrib" />
      <xsd:enumeration value="private-slot" />
      <xsd:enumeration value="private-static-func" />
      <xsd:enumeration value="private-static-attrib" />
      <xsd:enumeration value="friend" />
      <xsd:enumeration value="related" />
      <xsd:enumeration value="define" />
      <xsd:enumeration value="prototype" />
      <xsd:enumeration value="typedef" />
      <xsd:enumeration value="enum" />
      <xsd:enumeration value="func" />
      <xsd:enumeration value="var" />
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:simpleType name="DoxHighlightClass">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="comment" />
      <xsd:enumeration value="normal" />
      <xsd:enumeration value="preprocessor" />
      <xsd:enumeration value="keyword" />
      <xsd:enumeration value="keywordtype" />
      <xsd:enumeration value="keywordflow" />
      <xsd:enumeration value="stringliteral" />
      <xsd:enumeration value="charliteral" />
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:simpleType name="DoxSimpleSectKind">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="see" />
      <xsd:enumeration value="return" />
      <xsd:enumeration value="author" />
      <xsd:enumeration value="authors" />
      <xsd:enumeration value="version" />
      <xsd:enumeration value="since" />
      <xsd:enumeration value="date" />
      <xsd:enumeration value="note" />
      <xsd:enumeration value="warning" />
      <xsd:enumeration value="pre" />
      <xsd:enumeration value="post" />
      <xsd:enumeration value="copyright" />
      <xsd:enumeration value="invariant" />
      <xsd:enumeration value="remark" />
      <xsd:enumeration value="attention" />
      <xsd:enumeration value="par" />
      <xsd:enumeration value="rcs" />
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:simpleType name="DoxVersionNumber">
    <xsd:restriction base="xsd:string">
      <xsd:pattern value="\d+\.\d+.*" />
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:simpleType name="DoxImageKind">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="html" />
      <xsd:enumeration value="latex" />
      <xsd:enumeration value="rtf" />
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:simpleType name="DoxParamListKind">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="param" />
      <xsd:enumeration value="retval" />
      <xsd:enumeration value="exception" />
      <xsd:enumeration value="templateparam" />
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:simpleType name="DoxCharRange">
    <xsd:restriction base="xsd:string">
      <xsd:pattern value="[aeiouncAEIOUNC]" />
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:simpleType name="DoxParamDir">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="in"/>
      <xsd:enumeration value="out"/>
      <xsd:enumeration value="inout"/>
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:simpleType name="DoxAccessor">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="retain"/>
      <xsd:enumeration value="copy"/>
      <xsd:enumeration value="assign"/>
      <xsd:enumeration value="weak"/>
      <xsd:enumeration value="strong"/>
      <xsd:enumeration value="unretained"/>
    </xsd:restriction>
  </xsd:simpleType>

</xsd:schema>