From cee28793c74e75fa85aa3398c4d7a6a627151fff Mon Sep 17 00:00:00 2001
From: Siedlerchr <siedlerkiller@gmail.com>
Date: Fri, 5 Aug 2022 22:30:36 +0200
Subject: [PATCH] epxeriment with medline and mathml

---
 .../resources/xjc/medline/mathml3-common.xsd  |   99 +
 .../resources/xjc/medline/mathml3-content.xsd |  684 ++++++
 .../xjc/medline/mathml3-presentation.xsd      | 2151 +++++++++++++++++
 .../xjc/medline/mathml3-strict-content.xsd    |  186 ++
 src/main/resources/xjc/medline/mathml3.xsd    |    9 +
 src/main/resources/xjc/medline/medline.xsd    | 2144 +++++++++++++---
 6 files changed, 4959 insertions(+), 314 deletions(-)
 create mode 100755 src/main/resources/xjc/medline/mathml3-common.xsd
 create mode 100755 src/main/resources/xjc/medline/mathml3-content.xsd
 create mode 100755 src/main/resources/xjc/medline/mathml3-presentation.xsd
 create mode 100755 src/main/resources/xjc/medline/mathml3-strict-content.xsd
 create mode 100755 src/main/resources/xjc/medline/mathml3.xsd

diff --git a/src/main/resources/xjc/medline/mathml3-common.xsd b/src/main/resources/xjc/medline/mathml3-common.xsd
new file mode 100755
index 00000000000..98b801dcd16
--- /dev/null
+++ b/src/main/resources/xjc/medline/mathml3-common.xsd
@@ -0,0 +1,99 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
+           xmlns:m="http://www.w3.org/1998/Math/MathML"
+           elementFormDefault="qualified"
+           targetNamespace="http://www.w3.org/1998/Math/MathML">
+   <xs:element name="math">
+      <xs:complexType>
+         <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:MathExpression"/>
+         <xs:attributeGroup ref="m:math.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="CommonDeprecatedAtt">
+      <xs:attribute name="other"/>
+   </xs:attributeGroup>
+   <xs:attributeGroup name="CommonAtt">
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attributeGroup ref="m:CommonDeprecatedAtt"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+   </xs:attributeGroup>
+   <xs:attributeGroup name="math.deprecatedattributes">
+      <xs:attribute name="mode" type="xs:string"/>
+      <xs:attribute name="macros" type="xs:string"/>
+   </xs:attributeGroup>
+   <xs:attributeGroup name="name">
+      <xs:attribute name="name" use="required" type="xs:NCName"/>
+   </xs:attributeGroup>
+   <xs:attributeGroup name="cd">
+      <xs:attribute name="cd" use="required" type="xs:NCName"/>
+   </xs:attributeGroup>
+   <xs:attributeGroup name="src">
+      <xs:attribute name="src" type="xs:anyURI"/>
+   </xs:attributeGroup>
+   <xs:element name="annotation">
+      <xs:complexType mixed="true">
+         <xs:attributeGroup ref="m:annotation.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:complexType name="annotation-xml.model"><!--content model altered for libxml (annotation-xml)--><xs:sequence>
+         <xs:any processContents="lax"/>
+      </xs:sequence>
+   </xs:complexType>
+   <xs:group name="anyElement">
+      <xs:choice>
+         <xs:any namespace="##other" processContents="skip"/>
+         <xs:any namespace="##local" processContents="skip"/>
+      </xs:choice>
+   </xs:group>
+   <xs:element name="annotation-xml">
+      <xs:complexType>
+         <xs:complexContent>
+            <xs:extension base="m:annotation-xml.model">
+               <xs:attributeGroup ref="m:annotation.attributes"/>
+            </xs:extension>
+         </xs:complexContent>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="annotation.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attribute name="cd" type="xs:NCName"/>
+      <xs:attribute name="name" type="xs:NCName"/>
+      <xs:attributeGroup ref="m:DefEncAtt"/>
+      <xs:attributeGroup ref="m:src"/>
+   </xs:attributeGroup>
+   <xs:attributeGroup name="DefEncAtt">
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+   </xs:attributeGroup>
+   <xs:group name="semantics">
+      <xs:sequence>
+         <xs:element name="semantics">
+            <xs:complexType>
+               <xs:sequence>
+                  <xs:group ref="m:MathExpression"/>
+                  <xs:choice minOccurs="0" maxOccurs="unbounded">
+                     <xs:element ref="m:annotation"/>
+                     <xs:element ref="m:annotation-xml"/>
+                  </xs:choice>
+               </xs:sequence>
+               <xs:attributeGroup ref="m:semantics.attributes"/>
+            </xs:complexType>
+         </xs:element>
+      </xs:sequence>
+   </xs:group>
+   <xs:attributeGroup name="semantics.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:DefEncAtt"/>
+      <xs:attribute name="cd" type="xs:NCName"/>
+      <xs:attribute name="name" type="xs:NCName"/>
+   </xs:attributeGroup>
+   <xs:simpleType name="length">
+      <xs:restriction base="xs:string">
+         <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+      </xs:restriction>
+   </xs:simpleType>
+</xs:schema>
\ No newline at end of file
diff --git a/src/main/resources/xjc/medline/mathml3-content.xsd b/src/main/resources/xjc/medline/mathml3-content.xsd
new file mode 100755
index 00000000000..160c25be71d
--- /dev/null
+++ b/src/main/resources/xjc/medline/mathml3-content.xsd
@@ -0,0 +1,684 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
+           xmlns:m="http://www.w3.org/1998/Math/MathML"
+           elementFormDefault="qualified"
+           targetNamespace="http://www.w3.org/1998/Math/MathML">
+   <xs:include schemaLocation="mathml3-strict-content.xsd"/>
+   <xs:complexType name="cn.content" mixed="true">
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+         <xs:element ref="m:mglyph"/>
+         <xs:element ref="m:sep"/>
+         <xs:element ref="m:PresentationExpression"/>
+      </xs:choice>
+   </xs:complexType>
+   <xs:attributeGroup name="cn.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:DefEncAtt"/>
+      <xs:attribute name="type"/>
+      <xs:attribute name="base"/>
+   </xs:attributeGroup>
+   <xs:attributeGroup name="ci.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:DefEncAtt"/>
+      <xs:attribute name="type"/>
+   </xs:attributeGroup>
+   <xs:attributeGroup name="ci.type">
+      <xs:attribute name="type" use="required"/>
+   </xs:attributeGroup>
+   <xs:complexType name="ci.content" mixed="true">
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+         <xs:element ref="m:mglyph"/>
+         <xs:element ref="m:PresentationExpression"/>
+      </xs:choice>
+   </xs:complexType>
+   <xs:attributeGroup name="csymbol.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:DefEncAtt"/>
+      <xs:attribute name="type"/>
+      <xs:attribute name="cd" type="xs:NCName"/>
+   </xs:attributeGroup>
+   <xs:complexType name="csymbol.content" mixed="true">
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+         <xs:element ref="m:mglyph"/>
+         <xs:element ref="m:PresentationExpression"/>
+      </xs:choice>
+   </xs:complexType>
+   <xs:element name="bvar">
+      <xs:complexType>
+         <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:choice>
+               <xs:element ref="m:ci"/>
+               <xs:group ref="m:semantics-ci"/>
+            </xs:choice>
+            <xs:element ref="m:degree"/>
+         </xs:choice>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="cbytes.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:DefEncAtt"/>
+   </xs:attributeGroup>
+   <xs:attributeGroup name="cs.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:DefEncAtt"/>
+   </xs:attributeGroup>
+   <!--Ambiguous content model altered (apply.content)-->
+<xs:complexType name="apply.content">
+      <xs:sequence>
+         <xs:group ref="m:ContExp"/>
+         <xs:group ref="m:BvarQ"/>
+         <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:Qualifier"/>
+         <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:ContExp"/>
+      </xs:sequence>
+   </xs:complexType>
+   <xs:complexType name="bind.content">
+      <xs:complexContent>
+         <xs:extension base="m:apply.content"/>
+      </xs:complexContent>
+   </xs:complexType>
+   <xs:attributeGroup name="base">
+      <xs:attribute name="base" use="required"/>
+   </xs:attributeGroup>
+   <xs:element name="sep">
+      <xs:complexType/>
+   </xs:element>
+   <xs:element name="PresentationExpression" abstract="true"/>
+   <xs:group name="DomainQ">
+      <xs:sequence>
+         <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:element ref="m:domainofapplication"/>
+            <xs:element ref="m:condition"/>
+            <!--Ambiguous content model altered (interval)--><xs:sequence>
+               <xs:element ref="m:lowlimit"/>
+               <xs:element minOccurs="0" ref="m:uplimit"/>
+            </xs:sequence>
+         </xs:choice>
+      </xs:sequence>
+   </xs:group>
+   <xs:element name="domainofapplication">
+      <xs:complexType>
+         <xs:group ref="m:ContExp"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="condition">
+      <xs:complexType>
+         <xs:group ref="m:ContExp"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="uplimit">
+      <xs:complexType>
+         <xs:group ref="m:ContExp"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="lowlimit">
+      <xs:complexType>
+         <xs:group ref="m:ContExp"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:group name="Qualifier">
+      <xs:choice>
+         <xs:group ref="m:DomainQ"/>
+         <xs:element ref="m:degree"/>
+         <xs:element ref="m:momentabout"/>
+         <xs:element ref="m:logbase"/>
+      </xs:choice>
+   </xs:group>
+   <xs:element name="degree">
+      <xs:complexType>
+         <xs:group ref="m:ContExp"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="momentabout">
+      <xs:complexType>
+         <xs:group ref="m:ContExp"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="logbase">
+      <xs:complexType>
+         <xs:group ref="m:ContExp"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="type">
+      <xs:attribute name="type" use="required"/>
+   </xs:attributeGroup>
+   <xs:attributeGroup name="order">
+      <xs:attribute name="order" use="required">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="numeric"/>
+               <xs:enumeration value="lexicographic"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+   </xs:attributeGroup>
+   <xs:attributeGroup name="closure">
+      <xs:attribute name="closure" use="required"/>
+   </xs:attributeGroup>
+   <xs:element name="piecewise">
+      <xs:complexType>
+         <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:element ref="m:piece"/>
+            <xs:element ref="m:otherwise"/>
+         </xs:choice>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="piece">
+      <xs:complexType>
+         <xs:sequence>
+            <xs:group ref="m:ContExp"/>
+            <xs:group ref="m:ContExp"/>
+         </xs:sequence>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="otherwise">
+      <xs:complexType>
+         <xs:group ref="m:ContExp"/>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="DeprecatedContExp" abstract="true"/>
+   <xs:element name="reln" substitutionGroup="m:DeprecatedContExp">
+      <xs:complexType>
+         <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:ContExp"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="fn" substitutionGroup="m:DeprecatedContExp">
+      <xs:complexType>
+         <xs:group ref="m:ContExp"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="declare" substitutionGroup="m:DeprecatedContExp">
+      <xs:complexType>
+         <xs:group maxOccurs="unbounded" ref="m:ContExp"/>
+         <xs:attribute name="type" type="xs:string"/>
+         <xs:attribute name="scope" type="xs:string"/>
+         <xs:attribute name="nargs" type="xs:nonNegativeInteger"/>
+         <xs:attribute name="occurrence">
+            <xs:simpleType>
+               <xs:restriction base="xs:token">
+                  <xs:enumeration value="prefix"/>
+                  <xs:enumeration value="infix"/>
+                  <xs:enumeration value="function-model"/>
+               </xs:restriction>
+            </xs:simpleType>
+         </xs:attribute>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="interval.class" abstract="true">
+      <xs:complexType>
+         <xs:sequence>
+            <xs:group ref="m:ContExp"/>
+            <xs:group ref="m:ContExp"/>
+         </xs:sequence>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+         <xs:attribute name="closure"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="interval" substitutionGroup="m:interval.class"/>
+   <xs:element name="unary-functional.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="inverse" substitutionGroup="m:unary-functional.class"/>
+   <xs:element name="ident" substitutionGroup="m:unary-functional.class"/>
+   <xs:element name="domain" substitutionGroup="m:unary-functional.class"/>
+   <xs:element name="codomain" substitutionGroup="m:unary-functional.class"/>
+   <xs:element name="image" substitutionGroup="m:unary-functional.class"/>
+   <xs:element name="ln" substitutionGroup="m:unary-functional.class"/>
+   <xs:element name="log" substitutionGroup="m:unary-functional.class"/>
+   <xs:element name="moment" substitutionGroup="m:unary-functional.class"/>
+   <xs:element name="lambda.class" abstract="true">
+      <xs:complexType>
+         <xs:sequence>
+            <xs:group ref="m:BvarQ"/>
+            <xs:group ref="m:DomainQ"/>
+            <xs:group ref="m:ContExp"/>
+         </xs:sequence>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="lambda" substitutionGroup="m:lambda.class"/>
+   <xs:element name="nary-functional.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="compose" substitutionGroup="m:nary-functional.class"/>
+   <xs:group name="binary-arith.class">
+      <xs:choice>
+         <xs:element ref="m:quotient"/>
+         <xs:element ref="m:divide"/>
+         <xs:element ref="m:minus"/>
+         <xs:element ref="m:power"/>
+         <xs:element ref="m:rem"/>
+         <xs:element ref="m:root"/>
+      </xs:choice>
+   </xs:group>
+   <xs:element name="quotient">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="divide">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="minus">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="power">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="rem">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="root">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:group name="unary-arith.class">
+      <xs:choice>
+         <xs:element ref="m:factorial"/>
+         <!--Ambiguous content model altered (minus)--><!--Ambiguous content model altered (root)--><xs:element ref="m:abs"/>
+         <xs:element ref="m:conjugate"/>
+         <xs:element ref="m:arg"/>
+         <xs:element ref="m:real"/>
+         <xs:element ref="m:imaginary"/>
+         <xs:element ref="m:floor"/>
+         <xs:element ref="m:ceiling"/>
+         <xs:element ref="m:exp"/>
+      </xs:choice>
+   </xs:group>
+   <xs:element name="factorial">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="abs">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="conjugate">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="arg">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="real">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="imaginary">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="floor">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="ceiling">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="exp">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="nary-minmax.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="max" substitutionGroup="m:nary-minmax.class"/>
+   <xs:element name="min" substitutionGroup="m:nary-minmax.class"/>
+   <xs:element name="nary-arith.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="plus" substitutionGroup="m:nary-arith.class"/>
+   <xs:element name="times" substitutionGroup="m:nary-arith.class"/>
+   <xs:element name="gcd" substitutionGroup="m:nary-arith.class"/>
+   <xs:element name="lcm" substitutionGroup="m:nary-arith.class"/>
+   <xs:element name="nary-logical.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="and" substitutionGroup="m:nary-logical.class"/>
+   <xs:element name="or" substitutionGroup="m:nary-logical.class"/>
+   <xs:element name="xor" substitutionGroup="m:nary-logical.class"/>
+   <xs:element name="unary-logical.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="not" substitutionGroup="m:unary-logical.class"/>
+   <xs:element name="binary-logical.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="implies" substitutionGroup="m:binary-logical.class"/>
+   <xs:element name="equivalent" substitutionGroup="m:binary-logical.class"/>
+   <xs:element name="quantifier.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="forall" substitutionGroup="m:quantifier.class"/>
+   <xs:element name="exists" substitutionGroup="m:quantifier.class"/>
+   <xs:element name="nary-reln.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="eq" substitutionGroup="m:nary-reln.class"/>
+   <xs:element name="gt" substitutionGroup="m:nary-reln.class"/>
+   <xs:element name="lt" substitutionGroup="m:nary-reln.class"/>
+   <xs:element name="geq" substitutionGroup="m:nary-reln.class"/>
+   <xs:element name="leq" substitutionGroup="m:nary-reln.class"/>
+   <xs:element name="binary-reln.class" abstract="true"/>
+   <xs:element name="neq" substitutionGroup="m:binary-reln.class">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="approx" substitutionGroup="m:binary-reln.class">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="factorof" substitutionGroup="m:binary-reln.class">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="tendsto" substitutionGroup="m:binary-reln.class">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+         <xs:attribute name="type"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="int.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="int" substitutionGroup="m:int.class"/>
+   <xs:element name="Differential-Operator.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="diff" substitutionGroup="m:Differential-Operator.class"/>
+   <xs:element name="partialdiff.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="partialdiff" substitutionGroup="m:partialdiff.class"/>
+   <xs:element name="unary-veccalc.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="divergence" substitutionGroup="m:unary-veccalc.class"/>
+   <xs:element name="grad" substitutionGroup="m:unary-veccalc.class"/>
+   <xs:element name="curl" substitutionGroup="m:unary-veccalc.class"/>
+   <xs:element name="laplacian" substitutionGroup="m:unary-veccalc.class"/>
+   <xs:element name="nary-setlist-constructor.class" abstract="true"/>
+   <xs:element name="set" substitutionGroup="m:nary-setlist-constructor.class">
+      <xs:complexType>
+         <xs:sequence>
+            <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:BvarQ"/>
+            <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:DomainQ"/>
+            <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:ContExp"/>
+         </xs:sequence>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+         <xs:attribute name="type"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="list" substitutionGroup="m:nary-setlist-constructor.class">
+      <xs:complexType>
+         <xs:sequence>
+            <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:BvarQ"/>
+            <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:DomainQ"/>
+            <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:ContExp"/>
+         </xs:sequence>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+         <xs:attribute name="order">
+            <xs:simpleType>
+               <xs:restriction base="xs:token">
+                  <xs:enumeration value="numeric"/>
+                  <xs:enumeration value="lexicographic"/>
+               </xs:restriction>
+            </xs:simpleType>
+         </xs:attribute>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="nary-set.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="union" substitutionGroup="m:nary-set.class"/>
+   <xs:element name="intersect" substitutionGroup="m:nary-set.class"/>
+   <xs:element name="cartesianproduct" substitutionGroup="m:nary-set.class"/>
+   <xs:element name="binary-set.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="in" substitutionGroup="m:binary-set.class"/>
+   <xs:element name="notin" substitutionGroup="m:binary-set.class"/>
+   <xs:element name="notsubset" substitutionGroup="m:binary-set.class"/>
+   <xs:element name="notprsubset" substitutionGroup="m:binary-set.class"/>
+   <xs:element name="setdiff" substitutionGroup="m:binary-set.class"/>
+   <xs:element name="nary-set-reln.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="subset" substitutionGroup="m:nary-set-reln.class"/>
+   <xs:element name="prsubset" substitutionGroup="m:nary-set-reln.class"/>
+   <xs:element name="unary-set.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="card" substitutionGroup="m:unary-set.class"/>
+   <xs:element name="sum.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="sum" substitutionGroup="m:sum.class"/>
+   <xs:element name="product.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="product" substitutionGroup="m:product.class"/>
+   <xs:element name="limit.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="limit" substitutionGroup="m:limit.class"/>
+   <xs:element name="unary-elementary.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="sin" substitutionGroup="m:unary-elementary.class"/>
+   <xs:element name="cos" substitutionGroup="m:unary-elementary.class"/>
+   <xs:element name="tan" substitutionGroup="m:unary-elementary.class"/>
+   <xs:element name="sec" substitutionGroup="m:unary-elementary.class"/>
+   <xs:element name="csc" substitutionGroup="m:unary-elementary.class"/>
+   <xs:element name="cot" substitutionGroup="m:unary-elementary.class"/>
+   <xs:element name="sinh" substitutionGroup="m:unary-elementary.class"/>
+   <xs:element name="cosh" substitutionGroup="m:unary-elementary.class"/>
+   <xs:element name="tanh" substitutionGroup="m:unary-elementary.class"/>
+   <xs:element name="sech" substitutionGroup="m:unary-elementary.class"/>
+   <xs:element name="csch" substitutionGroup="m:unary-elementary.class"/>
+   <xs:element name="coth" substitutionGroup="m:unary-elementary.class"/>
+   <xs:element name="arcsin" substitutionGroup="m:unary-elementary.class"/>
+   <xs:element name="arccos" substitutionGroup="m:unary-elementary.class"/>
+   <xs:element name="arctan" substitutionGroup="m:unary-elementary.class"/>
+   <xs:element name="arccosh" substitutionGroup="m:unary-elementary.class"/>
+   <xs:element name="arccot" substitutionGroup="m:unary-elementary.class"/>
+   <xs:element name="arccoth" substitutionGroup="m:unary-elementary.class"/>
+   <xs:element name="arccsc" substitutionGroup="m:unary-elementary.class"/>
+   <xs:element name="arccsch" substitutionGroup="m:unary-elementary.class"/>
+   <xs:element name="arcsec" substitutionGroup="m:unary-elementary.class"/>
+   <xs:element name="arcsech" substitutionGroup="m:unary-elementary.class"/>
+   <xs:element name="arcsinh" substitutionGroup="m:unary-elementary.class"/>
+   <xs:element name="arctanh" substitutionGroup="m:unary-elementary.class"/>
+   <xs:element name="nary-stats.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="mean" substitutionGroup="m:nary-stats.class"/>
+   <xs:element name="sdev" substitutionGroup="m:nary-stats.class"/>
+   <xs:element name="variance" substitutionGroup="m:nary-stats.class"/>
+   <xs:element name="median" substitutionGroup="m:nary-stats.class"/>
+   <xs:element name="mode" substitutionGroup="m:nary-stats.class"/>
+   <xs:element name="nary-constructor.class" abstract="true">
+      <xs:complexType>
+         <xs:sequence>
+            <xs:group ref="m:BvarQ"/>
+            <xs:group ref="m:DomainQ"/>
+            <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:ContExp"/>
+         </xs:sequence>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="vector" substitutionGroup="m:nary-constructor.class"/>
+   <xs:element name="matrix" substitutionGroup="m:nary-constructor.class"/>
+   <xs:element name="matrixrow" substitutionGroup="m:nary-constructor.class"/>
+   <xs:element name="unary-linalg.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="determinant" substitutionGroup="m:unary-linalg.class"/>
+   <xs:element name="transpose" substitutionGroup="m:unary-linalg.class"/>
+   <xs:element name="nary-linalg.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="selector" substitutionGroup="m:nary-linalg.class"/>
+   <xs:element name="binary-linalg.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="vectorproduct" substitutionGroup="m:binary-linalg.class"/>
+   <xs:element name="scalarproduct" substitutionGroup="m:binary-linalg.class"/>
+   <xs:element name="outerproduct" substitutionGroup="m:binary-linalg.class"/>
+   <xs:element name="constant-set.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="integers" substitutionGroup="m:constant-set.class"/>
+   <xs:element name="reals" substitutionGroup="m:constant-set.class"/>
+   <xs:element name="rationals" substitutionGroup="m:constant-set.class"/>
+   <xs:element name="naturalnumbers" substitutionGroup="m:constant-set.class"/>
+   <xs:element name="complexes" substitutionGroup="m:constant-set.class"/>
+   <xs:element name="primes" substitutionGroup="m:constant-set.class"/>
+   <xs:element name="emptyset" substitutionGroup="m:constant-set.class"/>
+   <xs:element name="constant-arith.class" abstract="true">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:DefEncAtt"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="exponentiale" substitutionGroup="m:constant-arith.class"/>
+   <xs:element name="imaginaryi" substitutionGroup="m:constant-arith.class"/>
+   <xs:element name="notanumber" substitutionGroup="m:constant-arith.class"/>
+   <xs:element name="true" substitutionGroup="m:constant-arith.class"/>
+   <xs:element name="false" substitutionGroup="m:constant-arith.class"/>
+   <xs:element name="pi" substitutionGroup="m:constant-arith.class"/>
+   <xs:element name="eulergamma" substitutionGroup="m:constant-arith.class"/>
+   <xs:element name="infinity" substitutionGroup="m:constant-arith.class"/>
+</xs:schema>
\ No newline at end of file
diff --git a/src/main/resources/xjc/medline/mathml3-presentation.xsd b/src/main/resources/xjc/medline/mathml3-presentation.xsd
new file mode 100755
index 00000000000..418cbabcbe0
--- /dev/null
+++ b/src/main/resources/xjc/medline/mathml3-presentation.xsd
@@ -0,0 +1,2151 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
+           xmlns:m="http://www.w3.org/1998/Math/MathML"
+           elementFormDefault="qualified"
+           targetNamespace="http://www.w3.org/1998/Math/MathML">
+   <xs:complexType name="ImpliedMrow">
+      <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:MathExpression"/>
+   </xs:complexType>
+   <xs:element name="TableRowExpression" abstract="true"/>
+   <xs:element name="TableCellExpression" abstract="true">
+      <xs:complexType>
+         <xs:complexContent>
+            <xs:extension base="m:ImpliedMrow">
+               <xs:attributeGroup ref="m:mtd.attributes"/>
+            </xs:extension>
+         </xs:complexContent>
+      </xs:complexType>
+   </xs:element>
+   <xs:group name="MstackExpression">
+      <xs:choice>
+         <xs:group ref="m:MathExpression"/>
+         <xs:element ref="m:mscarries"/>
+         <xs:element ref="m:msline"/>
+         <xs:element ref="m:msrow"/>
+         <xs:element ref="m:msgroup"/>
+      </xs:choice>
+   </xs:group>
+   <xs:group name="MsrowExpression">
+      <xs:choice>
+         <xs:group ref="m:MathExpression"/>
+         <xs:element ref="m:none"/>
+      </xs:choice>
+   </xs:group>
+   <xs:group name="MultiScriptExpression">
+      <xs:sequence>
+         <xs:choice>
+            <xs:group ref="m:MathExpression"/>
+            <xs:element ref="m:none"/>
+         </xs:choice>
+         <xs:choice>
+            <xs:group ref="m:MathExpression"/>
+            <xs:element ref="m:none"/>
+         </xs:choice>
+      </xs:sequence>
+   </xs:group>
+   <xs:simpleType name="mpadded-length">
+      <xs:restriction base="xs:string">
+         <xs:pattern value="\s*([\+\-]?[0-9]*([0-9]\.?|\.[0-9])[0-9]*\s*((%?\s*(height|depth|width)?)|e[mx]|in|cm|mm|p[xtc]|((negative)?((very){0,2}thi(n|ck)|medium)mathspace))?)\s*"/>
+      </xs:restriction>
+   </xs:simpleType>
+   <xs:simpleType name="linestyle">
+      <xs:restriction base="xs:token">
+         <xs:enumeration value="none"/>
+         <xs:enumeration value="solid"/>
+         <xs:enumeration value="dashed"/>
+      </xs:restriction>
+   </xs:simpleType>
+   <xs:simpleType name="verticalalign">
+      <xs:restriction base="xs:token">
+         <xs:enumeration value="top"/>
+         <xs:enumeration value="bottom"/>
+         <xs:enumeration value="center"/>
+         <xs:enumeration value="baseline"/>
+         <xs:enumeration value="axis"/>
+      </xs:restriction>
+   </xs:simpleType>
+   <xs:simpleType name="columnalignstyle">
+      <xs:restriction base="xs:token">
+         <xs:enumeration value="left"/>
+         <xs:enumeration value="center"/>
+         <xs:enumeration value="right"/>
+      </xs:restriction>
+   </xs:simpleType>
+   <xs:simpleType name="notationstyle">
+      <xs:restriction base="xs:token">
+         <xs:enumeration value="longdiv"/>
+         <xs:enumeration value="actuarial"/>
+         <xs:enumeration value="radical"/>
+         <xs:enumeration value="box"/>
+         <xs:enumeration value="roundedbox"/>
+         <xs:enumeration value="circle"/>
+         <xs:enumeration value="left"/>
+         <xs:enumeration value="right"/>
+         <xs:enumeration value="top"/>
+         <xs:enumeration value="bottom"/>
+         <xs:enumeration value="updiagonalstrike"/>
+         <xs:enumeration value="downdiagonalstrike"/>
+         <xs:enumeration value="verticalstrike"/>
+         <xs:enumeration value="horizontalstrike"/>
+         <xs:enumeration value="madruwb"/>
+      </xs:restriction>
+   </xs:simpleType>
+   <xs:simpleType name="unsigned-integer">
+      <xs:restriction base="xs:unsignedLong"/>
+   </xs:simpleType>
+   <xs:simpleType name="integer">
+      <xs:restriction base="xs:integer"/>
+   </xs:simpleType>
+   <xs:simpleType name="number">
+      <xs:restriction base="xs:decimal"/>
+   </xs:simpleType>
+   <xs:simpleType name="character">
+      <xs:restriction base="xs:string">
+         <xs:pattern value="\s*\S\s*"/>
+      </xs:restriction>
+   </xs:simpleType>
+   <xs:simpleType name="color">
+      <xs:restriction base="xs:string">
+         <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+      </xs:restriction>
+   </xs:simpleType>
+   <xs:simpleType name="group-alignment">
+      <xs:restriction base="xs:token">
+         <xs:enumeration value="left"/>
+         <xs:enumeration value="center"/>
+         <xs:enumeration value="right"/>
+         <xs:enumeration value="decimalpoint"/>
+      </xs:restriction>
+   </xs:simpleType>
+   <xs:simpleType name="group-alignment-list">
+      <xs:restriction>
+         <xs:simpleType>
+            <xs:list itemType="m:group-alignment"/>
+         </xs:simpleType>
+         <xs:minLength value="1"/>
+      </xs:restriction>
+   </xs:simpleType>
+   <xs:simpleType name="group-alignment-list-list">
+      <xs:restriction base="xs:string">
+         <xs:pattern value="(\s*\{\s*(left|center|right|decimalpoint)(\s+(left|center|right|decimalpoint))*\})*\s*"/>
+      </xs:restriction>
+   </xs:simpleType>
+   <xs:simpleType name="positive-integer">
+      <xs:restriction base="xs:positiveInteger"/>
+   </xs:simpleType>
+   <xs:element name="TokenExpression" abstract="true"
+               substitutionGroup="m:PresentationExpression"/>
+   <xs:group name="token.content">
+      <xs:sequence>
+         <xs:choice minOccurs="0">
+            <xs:element ref="m:mglyph"/>
+            <xs:element ref="m:malignmark"/>
+         </xs:choice>
+      </xs:sequence>
+   </xs:group>
+   <xs:element name="mi" substitutionGroup="m:TokenExpression">
+      <xs:complexType mixed="true">
+         <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:token.content"/>
+         <xs:attributeGroup ref="m:mi.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="mi.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attributeGroup ref="m:TokenAtt"/>
+   </xs:attributeGroup>
+   <xs:element name="mn" substitutionGroup="m:TokenExpression">
+      <xs:complexType mixed="true">
+         <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:token.content"/>
+         <xs:attributeGroup ref="m:mn.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="mn.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attributeGroup ref="m:TokenAtt"/>
+   </xs:attributeGroup>
+   <xs:element name="mo" substitutionGroup="m:TokenExpression">
+      <xs:complexType mixed="true">
+         <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:token.content"/>
+         <xs:attributeGroup ref="m:mo.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="mo.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attributeGroup ref="m:TokenAtt"/>
+      <xs:attribute name="form">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="prefix"/>
+               <xs:enumeration value="infix"/>
+               <xs:enumeration value="postfix"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="fence">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="separator">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="lspace" type="m:length"/>
+      <xs:attribute name="rspace" type="m:length"/>
+      <xs:attribute name="stretchy">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="symmetric">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="maxsize">
+         <xs:simpleType>
+            <xs:union memberTypes="m:length">
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="infinity"/>
+                  </xs:restriction>
+               </xs:simpleType>
+            </xs:union>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="minsize" type="m:length"/>
+      <xs:attribute name="largeop">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="movablelimits">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="accent">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="linebreak">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="auto"/>
+               <xs:enumeration value="newline"/>
+               <xs:enumeration value="nobreak"/>
+               <xs:enumeration value="goodbreak"/>
+               <xs:enumeration value="badbreak"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="lineleading" type="m:length"/>
+      <xs:attribute name="linebreakstyle">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="before"/>
+               <xs:enumeration value="after"/>
+               <xs:enumeration value="duplicate"/>
+               <xs:enumeration value="infixlinebreakstyle"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="linebreakmultchar"/>
+      <xs:attribute name="indentalign">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="center"/>
+               <xs:enumeration value="right"/>
+               <xs:enumeration value="auto"/>
+               <xs:enumeration value="id"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="indentshift" type="m:length"/>
+      <xs:attribute name="indenttarget"/>
+      <xs:attribute name="indentalignfirst">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="center"/>
+               <xs:enumeration value="right"/>
+               <xs:enumeration value="auto"/>
+               <xs:enumeration value="id"/>
+               <xs:enumeration value="indentalign"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="indentshiftfirst">
+         <xs:simpleType>
+            <xs:union memberTypes="m:length">
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="indentshift"/>
+                  </xs:restriction>
+               </xs:simpleType>
+            </xs:union>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="indentalignlast">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="center"/>
+               <xs:enumeration value="right"/>
+               <xs:enumeration value="auto"/>
+               <xs:enumeration value="id"/>
+               <xs:enumeration value="indentalign"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="indentshiftlast">
+         <xs:simpleType>
+            <xs:union memberTypes="m:length">
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="indentshift"/>
+                  </xs:restriction>
+               </xs:simpleType>
+            </xs:union>
+         </xs:simpleType>
+      </xs:attribute>
+   </xs:attributeGroup>
+   <xs:element name="mtext" substitutionGroup="m:TokenExpression">
+      <xs:complexType mixed="true">
+         <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:token.content"/>
+         <xs:attributeGroup ref="m:mtext.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="mtext.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attributeGroup ref="m:TokenAtt"/>
+   </xs:attributeGroup>
+   <xs:element name="mspace" substitutionGroup="m:TokenExpression">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:mspace.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="mspace.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attributeGroup ref="m:TokenAtt"/>
+      <xs:attribute name="width" type="m:length"/>
+      <xs:attribute name="height" type="m:length"/>
+      <xs:attribute name="depth" type="m:length"/>
+      <xs:attribute name="linebreak">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="auto"/>
+               <xs:enumeration value="newline"/>
+               <xs:enumeration value="nobreak"/>
+               <xs:enumeration value="goodbreak"/>
+               <xs:enumeration value="badbreak"/>
+               <xs:enumeration value="indentingnewline"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="indentalign">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="center"/>
+               <xs:enumeration value="right"/>
+               <xs:enumeration value="auto"/>
+               <xs:enumeration value="id"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="indentshift" type="m:length"/>
+      <xs:attribute name="indenttarget"/>
+      <xs:attribute name="indentalignfirst">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="center"/>
+               <xs:enumeration value="right"/>
+               <xs:enumeration value="auto"/>
+               <xs:enumeration value="id"/>
+               <xs:enumeration value="indentalign"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="indentshiftfirst">
+         <xs:simpleType>
+            <xs:union memberTypes="m:length">
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="indentshift"/>
+                  </xs:restriction>
+               </xs:simpleType>
+            </xs:union>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="indentalignlast">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="center"/>
+               <xs:enumeration value="right"/>
+               <xs:enumeration value="auto"/>
+               <xs:enumeration value="id"/>
+               <xs:enumeration value="indentalign"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="indentshiftlast">
+         <xs:simpleType>
+            <xs:union memberTypes="m:length">
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="indentshift"/>
+                  </xs:restriction>
+               </xs:simpleType>
+            </xs:union>
+         </xs:simpleType>
+      </xs:attribute>
+   </xs:attributeGroup>
+   <xs:element name="ms" substitutionGroup="m:TokenExpression">
+      <xs:complexType mixed="true">
+         <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:token.content"/>
+         <xs:attributeGroup ref="m:ms.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="ms.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attributeGroup ref="m:TokenAtt"/>
+      <xs:attribute name="lquote"/>
+      <xs:attribute name="rquote"/>
+   </xs:attributeGroup>
+   <xs:element name="mglyph">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:mglyph.attributes"/>
+         <xs:attributeGroup ref="m:mglyph.deprecatedattributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="mglyph.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attribute name="src" type="xs:anyURI"/>
+      <xs:attribute name="width" type="m:length"/>
+      <xs:attribute name="height" type="m:length"/>
+      <xs:attribute name="valign" type="m:length"/>
+      <xs:attribute name="alt"/>
+   </xs:attributeGroup>
+   <xs:attributeGroup name="mglyph.deprecatedattributes">
+      <xs:attribute name="index" type="m:integer"/>
+      <xs:attribute name="mathvariant">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="normal"/>
+               <xs:enumeration value="bold"/>
+               <xs:enumeration value="italic"/>
+               <xs:enumeration value="bold-italic"/>
+               <xs:enumeration value="double-struck"/>
+               <xs:enumeration value="bold-fraktur"/>
+               <xs:enumeration value="script"/>
+               <xs:enumeration value="bold-script"/>
+               <xs:enumeration value="fraktur"/>
+               <xs:enumeration value="sans-serif"/>
+               <xs:enumeration value="bold-sans-serif"/>
+               <xs:enumeration value="sans-serif-italic"/>
+               <xs:enumeration value="sans-serif-bold-italic"/>
+               <xs:enumeration value="monospace"/>
+               <xs:enumeration value="initial"/>
+               <xs:enumeration value="tailed"/>
+               <xs:enumeration value="looped"/>
+               <xs:enumeration value="stretched"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="mathsize">
+         <xs:simpleType>
+            <xs:union memberTypes="m:length">
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="small"/>
+                  </xs:restriction>
+               </xs:simpleType>
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="normal"/>
+                  </xs:restriction>
+               </xs:simpleType>
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="big"/>
+                  </xs:restriction>
+               </xs:simpleType>
+            </xs:union>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attributeGroup ref="m:DeprecatedTokenAtt"/>
+   </xs:attributeGroup>
+   <xs:element name="msline">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:msline.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="msline.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attribute name="position" type="m:integer"/>
+      <xs:attribute name="length" type="m:unsigned-integer"/>
+      <xs:attribute name="leftoverhang" type="m:length"/>
+      <xs:attribute name="rightoverhang" type="m:length"/>
+      <xs:attribute name="mslinethickness">
+         <xs:simpleType>
+            <xs:union memberTypes="m:length">
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="thin"/>
+                  </xs:restriction>
+               </xs:simpleType>
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="medium"/>
+                  </xs:restriction>
+               </xs:simpleType>
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="thick"/>
+                  </xs:restriction>
+               </xs:simpleType>
+            </xs:union>
+         </xs:simpleType>
+      </xs:attribute>
+   </xs:attributeGroup>
+   <xs:element name="none">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:none.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="none.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+   </xs:attributeGroup>
+   <xs:element name="mprescripts">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:mprescripts.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="mprescripts.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+   </xs:attributeGroup>
+   <xs:attributeGroup name="CommonPresAtt">
+      <xs:attribute name="mathcolor" type="m:color"/>
+      <xs:attribute name="mathbackground">
+         <xs:simpleType>
+            <xs:union memberTypes="m:color">
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+               </xs:simpleType>
+            </xs:union>
+         </xs:simpleType>
+      </xs:attribute>
+   </xs:attributeGroup>
+   <xs:attributeGroup name="TokenAtt">
+      <xs:attribute name="mathvariant">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="normal"/>
+               <xs:enumeration value="bold"/>
+               <xs:enumeration value="italic"/>
+               <xs:enumeration value="bold-italic"/>
+               <xs:enumeration value="double-struck"/>
+               <xs:enumeration value="bold-fraktur"/>
+               <xs:enumeration value="script"/>
+               <xs:enumeration value="bold-script"/>
+               <xs:enumeration value="fraktur"/>
+               <xs:enumeration value="sans-serif"/>
+               <xs:enumeration value="bold-sans-serif"/>
+               <xs:enumeration value="sans-serif-italic"/>
+               <xs:enumeration value="sans-serif-bold-italic"/>
+               <xs:enumeration value="monospace"/>
+               <xs:enumeration value="initial"/>
+               <xs:enumeration value="tailed"/>
+               <xs:enumeration value="looped"/>
+               <xs:enumeration value="stretched"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="mathsize">
+         <xs:simpleType>
+            <xs:union memberTypes="m:length">
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="small"/>
+                  </xs:restriction>
+               </xs:simpleType>
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="normal"/>
+                  </xs:restriction>
+               </xs:simpleType>
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="big"/>
+                  </xs:restriction>
+               </xs:simpleType>
+            </xs:union>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="dir">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="ltr"/>
+               <xs:enumeration value="rtl"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attributeGroup ref="m:DeprecatedTokenAtt"/>
+   </xs:attributeGroup>
+   <xs:attributeGroup name="DeprecatedTokenAtt">
+      <xs:attribute name="fontfamily"/>
+      <xs:attribute name="fontweight">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="normal"/>
+               <xs:enumeration value="bold"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="fontstyle">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="normal"/>
+               <xs:enumeration value="italic"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="fontsize" type="m:length"/>
+      <xs:attribute name="color" type="m:color"/>
+      <xs:attribute name="background">
+         <xs:simpleType>
+            <xs:union memberTypes="m:color">
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+               </xs:simpleType>
+            </xs:union>
+         </xs:simpleType>
+      </xs:attribute>
+   </xs:attributeGroup>
+   <xs:element name="MalignExpression" abstract="true"
+               substitutionGroup="m:PresentationExpression"/>
+   <xs:element name="malignmark" substitutionGroup="m:MalignExpression">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:malignmark.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="malignmark.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attribute name="edge">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="right"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+   </xs:attributeGroup>
+   <xs:element name="maligngroup" substitutionGroup="m:MalignExpression">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:maligngroup.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="maligngroup.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attribute name="groupalign">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="center"/>
+               <xs:enumeration value="right"/>
+               <xs:enumeration value="decimalpoint"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+   </xs:attributeGroup>
+   <xs:element name="mrow" substitutionGroup="m:PresentationExpression">
+      <xs:complexType>
+         <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:MathExpression"/>
+         <xs:attributeGroup ref="m:mrow.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="mrow.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attribute name="dir">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="ltr"/>
+               <xs:enumeration value="rtl"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+   </xs:attributeGroup>
+   <xs:element name="mfrac" substitutionGroup="m:PresentationExpression">
+      <xs:complexType>
+         <xs:sequence>
+            <xs:group ref="m:MathExpression"/>
+            <xs:group ref="m:MathExpression"/>
+         </xs:sequence>
+         <xs:attributeGroup ref="m:mfrac.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="mfrac.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attribute name="linethickness">
+         <xs:simpleType>
+            <xs:union memberTypes="m:length">
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="thin"/>
+                  </xs:restriction>
+               </xs:simpleType>
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="medium"/>
+                  </xs:restriction>
+               </xs:simpleType>
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="thick"/>
+                  </xs:restriction>
+               </xs:simpleType>
+            </xs:union>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="numalign">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="center"/>
+               <xs:enumeration value="right"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="denomalign">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="center"/>
+               <xs:enumeration value="right"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="bevelled">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+   </xs:attributeGroup>
+   <xs:element name="msqrt" substitutionGroup="m:PresentationExpression">
+      <xs:complexType>
+         <xs:complexContent>
+            <xs:extension base="m:ImpliedMrow">
+               <xs:attributeGroup ref="m:msqrt.attributes"/>
+            </xs:extension>
+         </xs:complexContent>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="msqrt.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+   </xs:attributeGroup>
+   <xs:element name="mroot" substitutionGroup="m:PresentationExpression">
+      <xs:complexType>
+         <xs:sequence>
+            <xs:group ref="m:MathExpression"/>
+            <xs:group ref="m:MathExpression"/>
+         </xs:sequence>
+         <xs:attributeGroup ref="m:mroot.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="mroot.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+   </xs:attributeGroup>
+   <xs:element name="mstyle" substitutionGroup="m:PresentationExpression">
+      <xs:complexType>
+         <xs:complexContent>
+            <xs:extension base="m:ImpliedMrow">
+               <xs:attributeGroup ref="m:mstyle.attributes"/>
+            </xs:extension>
+         </xs:complexContent>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="mstyle.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attributeGroup ref="m:mstyle.specificattributes"/>
+      <xs:attributeGroup ref="m:mstyle.generalattributes"/>
+      <xs:attributeGroup ref="m:mstyle.deprecatedattributes"/>
+   </xs:attributeGroup>
+   <xs:attributeGroup name="mstyle.specificattributes">
+      <xs:attribute name="scriptlevel" type="m:integer"/>
+      <xs:attribute name="displaystyle">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="scriptsizemultiplier" type="m:number"/>
+      <xs:attribute name="scriptminsize" type="m:length"/>
+      <xs:attribute name="infixlinebreakstyle">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="before"/>
+               <xs:enumeration value="after"/>
+               <xs:enumeration value="duplicate"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="decimalpoint" type="m:character"/>
+   </xs:attributeGroup>
+   <xs:attributeGroup name="mstyle.generalattributes">
+      <xs:attribute name="accent">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="accentunder">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="align">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="right"/>
+               <xs:enumeration value="center"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="alignmentscope">
+         <xs:simpleType>
+            <xs:restriction>
+               <xs:simpleType>
+                  <xs:list>
+                     <xs:simpleType>
+                        <xs:restriction base="xs:token">
+                           <xs:enumeration value="true"/>
+                           <xs:enumeration value="false"/>
+                        </xs:restriction>
+                     </xs:simpleType>
+                  </xs:list>
+               </xs:simpleType>
+               <xs:minLength value="1"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="bevelled">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="charalign">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="center"/>
+               <xs:enumeration value="right"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="charspacing">
+         <xs:simpleType>
+            <xs:union memberTypes="m:length">
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="loose"/>
+                  </xs:restriction>
+               </xs:simpleType>
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="medium"/>
+                  </xs:restriction>
+               </xs:simpleType>
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="tight"/>
+                  </xs:restriction>
+               </xs:simpleType>
+            </xs:union>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="close"/>
+      <xs:attribute name="columnalign">
+         <xs:simpleType>
+            <xs:restriction>
+               <xs:simpleType>
+                  <xs:list itemType="m:columnalignstyle"/>
+               </xs:simpleType>
+               <xs:minLength value="1"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="columnlines">
+         <xs:simpleType>
+            <xs:restriction>
+               <xs:simpleType>
+                  <xs:list itemType="m:linestyle"/>
+               </xs:simpleType>
+               <xs:minLength value="1"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="columnspacing">
+         <xs:simpleType>
+            <xs:restriction>
+               <xs:simpleType>
+                  <xs:list itemType="m:length"/>
+               </xs:simpleType>
+               <xs:minLength value="1"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="columnspan" type="m:positive-integer"/>
+      <xs:attribute name="columnwidth">
+         <xs:simpleType>
+            <xs:restriction>
+               <xs:simpleType>
+                  <xs:list>
+                     <xs:simpleType>
+                        <xs:union memberTypes="m:length">
+                           <xs:simpleType>
+                              <xs:restriction base="xs:token">
+                                 <xs:enumeration value="auto"/>
+                              </xs:restriction>
+                           </xs:simpleType>
+                           <xs:simpleType>
+                              <xs:restriction base="xs:token">
+                                 <xs:enumeration value="fit"/>
+                              </xs:restriction>
+                           </xs:simpleType>
+                        </xs:union>
+                     </xs:simpleType>
+                  </xs:list>
+               </xs:simpleType>
+               <xs:minLength value="1"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="crossout">
+         <xs:simpleType>
+            <xs:list>
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="none"/>
+                     <xs:enumeration value="updiagonalstrike"/>
+                     <xs:enumeration value="downdiagonalstrike"/>
+                     <xs:enumeration value="verticalstrike"/>
+                     <xs:enumeration value="horizontalstrike"/>
+                  </xs:restriction>
+               </xs:simpleType>
+            </xs:list>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="denomalign">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="center"/>
+               <xs:enumeration value="right"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="depth" type="m:length"/>
+      <xs:attribute name="dir">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="ltr"/>
+               <xs:enumeration value="rtl"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="edge">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="right"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="equalcolumns">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="equalrows">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="fence">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="form">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="prefix"/>
+               <xs:enumeration value="infix"/>
+               <xs:enumeration value="postfix"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="frame" type="m:linestyle"/>
+      <xs:attribute name="framespacing">
+         <xs:simpleType>
+            <xs:restriction>
+               <xs:simpleType>
+                  <xs:list>
+                     <xs:simpleType>
+                        <xs:union memberTypes="m:length m:length"/>
+                     </xs:simpleType>
+                  </xs:list>
+               </xs:simpleType>
+               <xs:length value="2"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="groupalign" type="m:group-alignment-list-list"/>
+      <xs:attribute name="height" type="m:length"/>
+      <xs:attribute name="indentalign">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="center"/>
+               <xs:enumeration value="right"/>
+               <xs:enumeration value="auto"/>
+               <xs:enumeration value="id"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="indentalignfirst">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="center"/>
+               <xs:enumeration value="right"/>
+               <xs:enumeration value="auto"/>
+               <xs:enumeration value="id"/>
+               <xs:enumeration value="indentalign"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="indentalignlast">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="center"/>
+               <xs:enumeration value="right"/>
+               <xs:enumeration value="auto"/>
+               <xs:enumeration value="id"/>
+               <xs:enumeration value="indentalign"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="indentshift" type="m:length"/>
+      <xs:attribute name="indentshiftfirst">
+         <xs:simpleType>
+            <xs:union memberTypes="m:length">
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="indentshift"/>
+                  </xs:restriction>
+               </xs:simpleType>
+            </xs:union>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="indentshiftlast">
+         <xs:simpleType>
+            <xs:union memberTypes="m:length">
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="indentshift"/>
+                  </xs:restriction>
+               </xs:simpleType>
+            </xs:union>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="indenttarget"/>
+      <xs:attribute name="largeop">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="leftoverhang" type="m:length"/>
+      <xs:attribute name="length" type="m:unsigned-integer"/>
+      <xs:attribute name="linebreak">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="auto"/>
+               <xs:enumeration value="newline"/>
+               <xs:enumeration value="nobreak"/>
+               <xs:enumeration value="goodbreak"/>
+               <xs:enumeration value="badbreak"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="linebreakmultchar"/>
+      <xs:attribute name="linebreakstyle">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="before"/>
+               <xs:enumeration value="after"/>
+               <xs:enumeration value="duplicate"/>
+               <xs:enumeration value="infixlinebreakstyle"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="lineleading" type="m:length"/>
+      <xs:attribute name="linethickness">
+         <xs:simpleType>
+            <xs:union memberTypes="m:length">
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="thin"/>
+                  </xs:restriction>
+               </xs:simpleType>
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="medium"/>
+                  </xs:restriction>
+               </xs:simpleType>
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="thick"/>
+                  </xs:restriction>
+               </xs:simpleType>
+            </xs:union>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="location">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="w"/>
+               <xs:enumeration value="nw"/>
+               <xs:enumeration value="n"/>
+               <xs:enumeration value="ne"/>
+               <xs:enumeration value="e"/>
+               <xs:enumeration value="se"/>
+               <xs:enumeration value="s"/>
+               <xs:enumeration value="sw"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="longdivstyle">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="lefttop"/>
+               <xs:enumeration value="stackedrightright"/>
+               <xs:enumeration value="mediumstackedrightright"/>
+               <xs:enumeration value="shortstackedrightright"/>
+               <xs:enumeration value="righttop"/>
+               <xs:enumeration value="left/\right"/>
+               <xs:enumeration value="left)(right"/>
+               <xs:enumeration value=":right=right"/>
+               <xs:enumeration value="stackedleftleft"/>
+               <xs:enumeration value="stackedleftlinetop"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="lquote"/>
+      <xs:attribute name="lspace" type="m:length"/>
+      <xs:attribute name="mathsize">
+         <xs:simpleType>
+            <xs:union memberTypes="m:length">
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="small"/>
+                  </xs:restriction>
+               </xs:simpleType>
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="normal"/>
+                  </xs:restriction>
+               </xs:simpleType>
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="big"/>
+                  </xs:restriction>
+               </xs:simpleType>
+            </xs:union>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="mathvariant">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="normal"/>
+               <xs:enumeration value="bold"/>
+               <xs:enumeration value="italic"/>
+               <xs:enumeration value="bold-italic"/>
+               <xs:enumeration value="double-struck"/>
+               <xs:enumeration value="bold-fraktur"/>
+               <xs:enumeration value="script"/>
+               <xs:enumeration value="bold-script"/>
+               <xs:enumeration value="fraktur"/>
+               <xs:enumeration value="sans-serif"/>
+               <xs:enumeration value="bold-sans-serif"/>
+               <xs:enumeration value="sans-serif-italic"/>
+               <xs:enumeration value="sans-serif-bold-italic"/>
+               <xs:enumeration value="monospace"/>
+               <xs:enumeration value="initial"/>
+               <xs:enumeration value="tailed"/>
+               <xs:enumeration value="looped"/>
+               <xs:enumeration value="stretched"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="maxsize">
+         <xs:simpleType>
+            <xs:union memberTypes="m:length">
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="infinity"/>
+                  </xs:restriction>
+               </xs:simpleType>
+            </xs:union>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="minlabelspacing" type="m:length"/>
+      <xs:attribute name="minsize" type="m:length"/>
+      <xs:attribute name="movablelimits">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="mslinethickness">
+         <xs:simpleType>
+            <xs:union memberTypes="m:length">
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="thin"/>
+                  </xs:restriction>
+               </xs:simpleType>
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="medium"/>
+                  </xs:restriction>
+               </xs:simpleType>
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="thick"/>
+                  </xs:restriction>
+               </xs:simpleType>
+            </xs:union>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="notation"/>
+      <xs:attribute name="numalign">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="center"/>
+               <xs:enumeration value="right"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="open"/>
+      <xs:attribute name="position" type="m:integer"/>
+      <xs:attribute name="rightoverhang" type="m:length"/>
+      <xs:attribute name="rowalign">
+         <xs:simpleType>
+            <xs:restriction>
+               <xs:simpleType>
+                  <xs:list itemType="m:verticalalign"/>
+               </xs:simpleType>
+               <xs:minLength value="1"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="rowlines">
+         <xs:simpleType>
+            <xs:restriction>
+               <xs:simpleType>
+                  <xs:list itemType="m:linestyle"/>
+               </xs:simpleType>
+               <xs:minLength value="1"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="rowspacing">
+         <xs:simpleType>
+            <xs:restriction>
+               <xs:simpleType>
+                  <xs:list itemType="m:length"/>
+               </xs:simpleType>
+               <xs:minLength value="1"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="rowspan" type="m:positive-integer"/>
+      <xs:attribute name="rquote"/>
+      <xs:attribute name="rspace" type="m:length"/>
+      <xs:attribute name="selection" type="m:positive-integer"/>
+      <xs:attribute name="separator">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="separators"/>
+      <xs:attribute name="shift" type="m:integer"/>
+      <xs:attribute name="side">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="right"/>
+               <xs:enumeration value="leftoverlap"/>
+               <xs:enumeration value="rightoverlap"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="stackalign">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="center"/>
+               <xs:enumeration value="right"/>
+               <xs:enumeration value="decimalpoint"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="stretchy">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="subscriptshift" type="m:length"/>
+      <xs:attribute name="superscriptshift" type="m:length"/>
+      <xs:attribute name="symmetric">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="valign" type="m:length"/>
+      <xs:attribute name="width" type="m:length"/>
+   </xs:attributeGroup>
+   <xs:attributeGroup name="mstyle.deprecatedattributes">
+      <xs:attributeGroup ref="m:DeprecatedTokenAtt"/>
+      <xs:attribute name="veryverythinmathspace" type="m:length"/>
+      <xs:attribute name="verythinmathspace" type="m:length"/>
+      <xs:attribute name="thinmathspace" type="m:length"/>
+      <xs:attribute name="mediummathspace" type="m:length"/>
+      <xs:attribute name="thickmathspace" type="m:length"/>
+      <xs:attribute name="verythickmathspace" type="m:length"/>
+      <xs:attribute name="veryverythickmathspace" type="m:length"/>
+   </xs:attributeGroup>
+   <xs:attributeGroup name="math.attributes">
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attributeGroup ref="m:mstyle.specificattributes"/>
+      <xs:attributeGroup ref="m:mstyle.generalattributes"/>
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attribute name="display">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="block"/>
+               <xs:enumeration value="inline"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="maxwidth" type="m:length"/>
+      <xs:attribute name="overflow">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="linebreak"/>
+               <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="altimg-width" type="m:length"/>
+      <xs:attribute name="altimg-height" type="m:length"/>
+      <xs:attribute name="altimg-valign">
+         <xs:simpleType>
+            <xs:union memberTypes="m:length">
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="top"/>
+                  </xs:restriction>
+               </xs:simpleType>
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="middle"/>
+                  </xs:restriction>
+               </xs:simpleType>
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="bottom"/>
+                  </xs:restriction>
+               </xs:simpleType>
+            </xs:union>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="alttext"/>
+      <xs:attribute name="cdgroup" type="xs:anyURI"/>
+      <xs:attributeGroup ref="m:math.deprecatedattributes"/>
+   </xs:attributeGroup>
+   <xs:element name="merror" substitutionGroup="m:PresentationExpression">
+      <xs:complexType>
+         <xs:complexContent>
+            <xs:extension base="m:ImpliedMrow">
+               <xs:attributeGroup ref="m:merror.attributes"/>
+            </xs:extension>
+         </xs:complexContent>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="merror.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+   </xs:attributeGroup>
+   <xs:element name="mpadded" substitutionGroup="m:PresentationExpression">
+      <xs:complexType>
+         <xs:complexContent>
+            <xs:extension base="m:ImpliedMrow">
+               <xs:attributeGroup ref="m:mpadded.attributes"/>
+            </xs:extension>
+         </xs:complexContent>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="mpadded.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attribute name="height" type="m:mpadded-length"/>
+      <xs:attribute name="depth" type="m:mpadded-length"/>
+      <xs:attribute name="width" type="m:mpadded-length"/>
+      <xs:attribute name="lspace" type="m:mpadded-length"/>
+      <xs:attribute name="voffset" type="m:mpadded-length"/>
+   </xs:attributeGroup>
+   <xs:element name="mphantom" substitutionGroup="m:PresentationExpression">
+      <xs:complexType>
+         <xs:complexContent>
+            <xs:extension base="m:ImpliedMrow">
+               <xs:attributeGroup ref="m:mphantom.attributes"/>
+            </xs:extension>
+         </xs:complexContent>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="mphantom.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+   </xs:attributeGroup>
+   <xs:element name="mfenced" substitutionGroup="m:PresentationExpression">
+      <xs:complexType>
+         <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:MathExpression"/>
+         <xs:attributeGroup ref="m:mfenced.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="mfenced.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attribute name="open"/>
+      <xs:attribute name="close"/>
+      <xs:attribute name="separators"/>
+   </xs:attributeGroup>
+   <xs:element name="menclose" substitutionGroup="m:PresentationExpression">
+      <xs:complexType>
+         <xs:complexContent>
+            <xs:extension base="m:ImpliedMrow">
+               <xs:attributeGroup ref="m:menclose.attributes"/>
+            </xs:extension>
+         </xs:complexContent>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="menclose.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attribute name="notation"/>
+   </xs:attributeGroup>
+   <xs:element name="msub" substitutionGroup="m:PresentationExpression">
+      <xs:complexType>
+         <xs:sequence>
+            <xs:group ref="m:MathExpression"/>
+            <xs:group ref="m:MathExpression"/>
+         </xs:sequence>
+         <xs:attributeGroup ref="m:msub.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="msub.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attribute name="subscriptshift" type="m:length"/>
+   </xs:attributeGroup>
+   <xs:element name="msup" substitutionGroup="m:PresentationExpression">
+      <xs:complexType>
+         <xs:sequence>
+            <xs:group ref="m:MathExpression"/>
+            <xs:group ref="m:MathExpression"/>
+         </xs:sequence>
+         <xs:attributeGroup ref="m:msup.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="msup.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attribute name="superscriptshift" type="m:length"/>
+   </xs:attributeGroup>
+   <xs:element name="msubsup" substitutionGroup="m:PresentationExpression">
+      <xs:complexType>
+         <xs:sequence>
+            <xs:group ref="m:MathExpression"/>
+            <xs:group ref="m:MathExpression"/>
+            <xs:group ref="m:MathExpression"/>
+         </xs:sequence>
+         <xs:attributeGroup ref="m:msubsup.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="msubsup.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attribute name="subscriptshift" type="m:length"/>
+      <xs:attribute name="superscriptshift" type="m:length"/>
+   </xs:attributeGroup>
+   <xs:element name="munder" substitutionGroup="m:PresentationExpression">
+      <xs:complexType>
+         <xs:sequence>
+            <xs:group ref="m:MathExpression"/>
+            <xs:group ref="m:MathExpression"/>
+         </xs:sequence>
+         <xs:attributeGroup ref="m:munder.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="munder.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attribute name="accentunder">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="align">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="right"/>
+               <xs:enumeration value="center"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+   </xs:attributeGroup>
+   <xs:element name="mover" substitutionGroup="m:PresentationExpression">
+      <xs:complexType>
+         <xs:sequence>
+            <xs:group ref="m:MathExpression"/>
+            <xs:group ref="m:MathExpression"/>
+         </xs:sequence>
+         <xs:attributeGroup ref="m:mover.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="mover.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attribute name="accent">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="align">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="right"/>
+               <xs:enumeration value="center"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+   </xs:attributeGroup>
+   <xs:element name="munderover" substitutionGroup="m:PresentationExpression">
+      <xs:complexType>
+         <xs:sequence>
+            <xs:group ref="m:MathExpression"/>
+            <xs:group ref="m:MathExpression"/>
+            <xs:group ref="m:MathExpression"/>
+         </xs:sequence>
+         <xs:attributeGroup ref="m:munderover.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="munderover.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attribute name="accent">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="accentunder">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="align">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="right"/>
+               <xs:enumeration value="center"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+   </xs:attributeGroup>
+   <xs:element name="mmultiscripts" substitutionGroup="m:PresentationExpression">
+      <xs:complexType>
+         <xs:sequence>
+            <xs:group ref="m:MathExpression"/>
+            <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:MultiScriptExpression"/>
+            <xs:sequence minOccurs="0">
+               <xs:element ref="m:mprescripts"/>
+               <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:MultiScriptExpression"/>
+            </xs:sequence>
+         </xs:sequence>
+         <xs:attributeGroup ref="m:mmultiscripts.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="mmultiscripts.attributes">
+      <xs:attributeGroup ref="m:msubsup.attributes"/>
+   </xs:attributeGroup>
+   <xs:element name="mtable" substitutionGroup="m:PresentationExpression">
+      <xs:complexType>
+         <xs:sequence>
+            <xs:element minOccurs="0" maxOccurs="unbounded" ref="m:TableRowExpression"/>
+         </xs:sequence>
+         <xs:attributeGroup ref="m:mtable.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="mtable.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attribute name="align">
+         <xs:simpleType>
+            <xs:restriction base="xs:string">
+               <xs:pattern value="\s*(top|bottom|center|baseline|axis)(\s+-?[0-9]+)?\s*"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="rowalign">
+         <xs:simpleType>
+            <xs:restriction>
+               <xs:simpleType>
+                  <xs:list itemType="m:verticalalign"/>
+               </xs:simpleType>
+               <xs:minLength value="1"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="columnalign">
+         <xs:simpleType>
+            <xs:restriction>
+               <xs:simpleType>
+                  <xs:list itemType="m:columnalignstyle"/>
+               </xs:simpleType>
+               <xs:minLength value="1"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="groupalign" type="m:group-alignment-list-list"/>
+      <xs:attribute name="alignmentscope">
+         <xs:simpleType>
+            <xs:restriction>
+               <xs:simpleType>
+                  <xs:list>
+                     <xs:simpleType>
+                        <xs:restriction base="xs:token">
+                           <xs:enumeration value="true"/>
+                           <xs:enumeration value="false"/>
+                        </xs:restriction>
+                     </xs:simpleType>
+                  </xs:list>
+               </xs:simpleType>
+               <xs:minLength value="1"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="columnwidth">
+         <xs:simpleType>
+            <xs:restriction>
+               <xs:simpleType>
+                  <xs:list>
+                     <xs:simpleType>
+                        <xs:union memberTypes="m:length">
+                           <xs:simpleType>
+                              <xs:restriction base="xs:token">
+                                 <xs:enumeration value="auto"/>
+                              </xs:restriction>
+                           </xs:simpleType>
+                           <xs:simpleType>
+                              <xs:restriction base="xs:token">
+                                 <xs:enumeration value="fit"/>
+                              </xs:restriction>
+                           </xs:simpleType>
+                        </xs:union>
+                     </xs:simpleType>
+                  </xs:list>
+               </xs:simpleType>
+               <xs:minLength value="1"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="width">
+         <xs:simpleType>
+            <xs:union memberTypes="m:length">
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="auto"/>
+                  </xs:restriction>
+               </xs:simpleType>
+            </xs:union>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="rowspacing">
+         <xs:simpleType>
+            <xs:restriction>
+               <xs:simpleType>
+                  <xs:list itemType="m:length"/>
+               </xs:simpleType>
+               <xs:minLength value="1"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="columnspacing">
+         <xs:simpleType>
+            <xs:restriction>
+               <xs:simpleType>
+                  <xs:list itemType="m:length"/>
+               </xs:simpleType>
+               <xs:minLength value="1"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="rowlines">
+         <xs:simpleType>
+            <xs:restriction>
+               <xs:simpleType>
+                  <xs:list itemType="m:linestyle"/>
+               </xs:simpleType>
+               <xs:minLength value="1"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="columnlines">
+         <xs:simpleType>
+            <xs:restriction>
+               <xs:simpleType>
+                  <xs:list itemType="m:linestyle"/>
+               </xs:simpleType>
+               <xs:minLength value="1"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="frame" type="m:linestyle"/>
+      <xs:attribute name="framespacing">
+         <xs:simpleType>
+            <xs:restriction>
+               <xs:simpleType>
+                  <xs:list>
+                     <xs:simpleType>
+                        <xs:union memberTypes="m:length m:length"/>
+                     </xs:simpleType>
+                  </xs:list>
+               </xs:simpleType>
+               <xs:length value="2"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="equalrows">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="equalcolumns">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="displaystyle">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="true"/>
+               <xs:enumeration value="false"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="side">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="right"/>
+               <xs:enumeration value="leftoverlap"/>
+               <xs:enumeration value="rightoverlap"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="minlabelspacing" type="m:length"/>
+   </xs:attributeGroup>
+   <xs:element name="mlabeledtr" substitutionGroup="m:TableRowExpression">
+      <xs:complexType>
+         <xs:sequence>
+            <xs:element maxOccurs="unbounded" ref="m:TableCellExpression"/>
+         </xs:sequence>
+         <xs:attributeGroup ref="m:mlabeledtr.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="mlabeledtr.attributes">
+      <xs:attributeGroup ref="m:mtr.attributes"/>
+   </xs:attributeGroup>
+   <xs:element name="mtr" substitutionGroup="m:TableRowExpression">
+      <xs:complexType>
+         <xs:sequence>
+            <xs:element minOccurs="0" maxOccurs="unbounded" ref="m:TableCellExpression"/>
+         </xs:sequence>
+         <xs:attributeGroup ref="m:mtr.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="mtr.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attribute name="rowalign">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="top"/>
+               <xs:enumeration value="bottom"/>
+               <xs:enumeration value="center"/>
+               <xs:enumeration value="baseline"/>
+               <xs:enumeration value="axis"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="columnalign">
+         <xs:simpleType>
+            <xs:restriction>
+               <xs:simpleType>
+                  <xs:list itemType="m:columnalignstyle"/>
+               </xs:simpleType>
+               <xs:minLength value="1"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="groupalign" type="m:group-alignment-list-list"/>
+   </xs:attributeGroup>
+   <xs:element name="mtd" substitutionGroup="m:TableCellExpression"/>
+   <xs:attributeGroup name="mtd.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attribute name="rowspan" type="m:positive-integer"/>
+      <xs:attribute name="columnspan" type="m:positive-integer"/>
+      <xs:attribute name="rowalign">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="top"/>
+               <xs:enumeration value="bottom"/>
+               <xs:enumeration value="center"/>
+               <xs:enumeration value="baseline"/>
+               <xs:enumeration value="axis"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="columnalign" type="m:columnalignstyle"/>
+      <xs:attribute name="groupalign" type="m:group-alignment-list"/>
+   </xs:attributeGroup>
+   <xs:element name="mstack" substitutionGroup="m:PresentationExpression">
+      <xs:complexType>
+         <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:MstackExpression"/>
+         <xs:attributeGroup ref="m:mstack.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="mstack.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attribute name="align">
+         <xs:simpleType>
+            <xs:restriction base="xs:string">
+               <xs:pattern value="\s*(top|bottom|center|baseline|axis)(\s+-?[0-9]+)?\s*"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="stackalign">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="center"/>
+               <xs:enumeration value="right"/>
+               <xs:enumeration value="decimalpoint"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="charalign">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="left"/>
+               <xs:enumeration value="center"/>
+               <xs:enumeration value="right"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="charspacing">
+         <xs:simpleType>
+            <xs:union memberTypes="m:length">
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="loose"/>
+                  </xs:restriction>
+               </xs:simpleType>
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="medium"/>
+                  </xs:restriction>
+               </xs:simpleType>
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="tight"/>
+                  </xs:restriction>
+               </xs:simpleType>
+            </xs:union>
+         </xs:simpleType>
+      </xs:attribute>
+   </xs:attributeGroup>
+   <xs:element name="mlongdiv" substitutionGroup="m:PresentationExpression">
+      <xs:complexType>
+         <xs:sequence>
+            <xs:group ref="m:MstackExpression"/>
+            <xs:group ref="m:MstackExpression"/>
+            <xs:group maxOccurs="unbounded" ref="m:MstackExpression"/>
+         </xs:sequence>
+         <xs:attributeGroup ref="m:mlongdiv.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="mlongdiv.attributes">
+      <xs:attributeGroup ref="m:msgroup.attributes"/>
+      <xs:attribute name="longdivstyle">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="lefttop"/>
+               <xs:enumeration value="stackedrightright"/>
+               <xs:enumeration value="mediumstackedrightright"/>
+               <xs:enumeration value="shortstackedrightright"/>
+               <xs:enumeration value="righttop"/>
+               <xs:enumeration value="left/\right"/>
+               <xs:enumeration value="left)(right"/>
+               <xs:enumeration value=":right=right"/>
+               <xs:enumeration value="stackedleftleft"/>
+               <xs:enumeration value="stackedleftlinetop"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+   </xs:attributeGroup>
+   <xs:element name="msgroup">
+      <xs:complexType>
+         <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:MstackExpression"/>
+         <xs:attributeGroup ref="m:msgroup.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="msgroup.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attribute name="position" type="m:integer"/>
+      <xs:attribute name="shift" type="m:integer"/>
+   </xs:attributeGroup>
+   <xs:element name="msrow">
+      <xs:complexType>
+         <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:MsrowExpression"/>
+         <xs:attributeGroup ref="m:msrow.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="msrow.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attribute name="position" type="m:integer"/>
+   </xs:attributeGroup>
+   <xs:element name="mscarries">
+      <xs:complexType>
+         <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="m:MsrowExpression"/>
+            <xs:element ref="m:mscarry"/>
+         </xs:choice>
+         <xs:attributeGroup ref="m:mscarries.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="mscarries.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attribute name="position" type="m:integer"/>
+      <xs:attribute name="location">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="w"/>
+               <xs:enumeration value="nw"/>
+               <xs:enumeration value="n"/>
+               <xs:enumeration value="ne"/>
+               <xs:enumeration value="e"/>
+               <xs:enumeration value="se"/>
+               <xs:enumeration value="s"/>
+               <xs:enumeration value="sw"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="crossout">
+         <xs:simpleType>
+            <xs:list>
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="none"/>
+                     <xs:enumeration value="updiagonalstrike"/>
+                     <xs:enumeration value="downdiagonalstrike"/>
+                     <xs:enumeration value="verticalstrike"/>
+                     <xs:enumeration value="horizontalstrike"/>
+                  </xs:restriction>
+               </xs:simpleType>
+            </xs:list>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="scriptsizemultiplier" type="m:number"/>
+   </xs:attributeGroup>
+   <xs:element name="mscarry">
+      <xs:complexType>
+         <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:MsrowExpression"/>
+         <xs:attributeGroup ref="m:mscarry.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="mscarry.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attribute name="location">
+         <xs:simpleType>
+            <xs:restriction base="xs:token">
+               <xs:enumeration value="w"/>
+               <xs:enumeration value="nw"/>
+               <xs:enumeration value="n"/>
+               <xs:enumeration value="ne"/>
+               <xs:enumeration value="e"/>
+               <xs:enumeration value="se"/>
+               <xs:enumeration value="s"/>
+               <xs:enumeration value="sw"/>
+            </xs:restriction>
+         </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="crossout">
+         <xs:simpleType>
+            <xs:list>
+               <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                     <xs:enumeration value="none"/>
+                     <xs:enumeration value="updiagonalstrike"/>
+                     <xs:enumeration value="downdiagonalstrike"/>
+                     <xs:enumeration value="verticalstrike"/>
+                     <xs:enumeration value="horizontalstrike"/>
+                  </xs:restriction>
+               </xs:simpleType>
+            </xs:list>
+         </xs:simpleType>
+      </xs:attribute>
+   </xs:attributeGroup>
+   <xs:element name="maction" substitutionGroup="m:PresentationExpression">
+      <xs:complexType>
+         <xs:group maxOccurs="unbounded" ref="m:MathExpression"/>
+         <xs:attributeGroup ref="m:maction.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="maction.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+      <xs:attributeGroup ref="m:CommonPresAtt"/>
+      <xs:attribute name="actiontype" use="required"/>
+      <xs:attribute name="selection" type="m:positive-integer"/>
+   </xs:attributeGroup>
+</xs:schema>
\ No newline at end of file
diff --git a/src/main/resources/xjc/medline/mathml3-strict-content.xsd b/src/main/resources/xjc/medline/mathml3-strict-content.xsd
new file mode 100755
index 00000000000..869de61bd71
--- /dev/null
+++ b/src/main/resources/xjc/medline/mathml3-strict-content.xsd
@@ -0,0 +1,186 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
+           xmlns:m="http://www.w3.org/1998/Math/MathML"
+           elementFormDefault="qualified"
+           targetNamespace="http://www.w3.org/1998/Math/MathML">
+   <xs:group name="ContExp">
+      <xs:choice>
+<!--Ambiguous content model altered (ContExp)-->
+         <xs:element ref="m:apply"/>
+         <xs:element ref="m:bind"/>
+         <xs:element ref="m:ci"/>
+         <xs:element ref="m:cn"/>
+         <xs:element ref="m:csymbol"/>
+         <xs:element ref="m:cbytes"/>
+         <xs:element ref="m:cerror"/>
+         <xs:element ref="m:cs"/>
+         <xs:element ref="m:share"/>
+         <xs:element ref="m:piecewise"/>
+         <xs:element ref="m:DeprecatedContExp"/>
+         <xs:element ref="m:interval.class"/>
+         <xs:element ref="m:unary-functional.class"/>
+         <xs:element ref="m:lambda.class"/>
+         <xs:element ref="m:nary-functional.class"/>
+         <xs:group ref="m:binary-arith.class"/>
+         <xs:group ref="m:unary-arith.class"/>
+         <xs:element ref="m:nary-minmax.class"/>
+         <xs:element ref="m:nary-arith.class"/>
+         <xs:element ref="m:nary-logical.class"/>
+         <xs:element ref="m:unary-logical.class"/>
+         <xs:element ref="m:binary-logical.class"/>
+         <xs:element ref="m:quantifier.class"/>
+         <xs:element ref="m:nary-reln.class"/>
+         <xs:element ref="m:binary-reln.class"/>
+         <xs:element ref="m:int.class"/>
+         <xs:element ref="m:Differential-Operator.class"/>
+         <xs:element ref="m:partialdiff.class"/>
+         <xs:element ref="m:unary-veccalc.class"/>
+         <xs:element ref="m:nary-setlist-constructor.class"/>
+         <xs:element ref="m:nary-set.class"/>
+         <xs:element ref="m:binary-set.class"/>
+         <xs:element ref="m:nary-set-reln.class"/>
+         <xs:element ref="m:unary-set.class"/>
+         <xs:element ref="m:sum.class"/>
+         <xs:element ref="m:product.class"/>
+         <xs:element ref="m:limit.class"/>
+         <xs:element ref="m:unary-elementary.class"/>
+         <xs:element ref="m:nary-stats.class"/>
+         <xs:element ref="m:nary-constructor.class"/>
+         <xs:element ref="m:unary-linalg.class"/>
+         <xs:element ref="m:nary-linalg.class"/>
+         <xs:element ref="m:binary-linalg.class"/>
+         <xs:element ref="m:constant-set.class"/>
+         <xs:element ref="m:constant-arith.class"/>
+      </xs:choice>
+   </xs:group>
+   <xs:element name="cn">
+      <xs:complexType>
+         <xs:complexContent>
+            <xs:extension base="m:cn.content">
+               <xs:attributeGroup ref="m:cn.attributes"/>
+            </xs:extension>
+         </xs:complexContent>
+      </xs:complexType>
+   </xs:element>
+   <xs:group name="semantics-ci">
+      <xs:sequence>
+         <xs:element name="semantics">
+            <xs:complexType>
+               <xs:sequence>
+                  <xs:choice>
+                     <xs:element ref="m:ci"/>
+                     <xs:group ref="m:semantics-ci"/>
+                  </xs:choice>
+                  <xs:choice minOccurs="0" maxOccurs="unbounded">
+                     <xs:element ref="m:annotation"/>
+                     <xs:element ref="m:annotation-xml"/>
+                  </xs:choice>
+               </xs:sequence>
+               <xs:attributeGroup ref="m:semantics.attributes"/>
+            </xs:complexType>
+         </xs:element>
+      </xs:sequence>
+   </xs:group>
+   <xs:group name="semantics-contexp">
+      <xs:sequence>
+         <xs:element name="semantics">
+            <xs:complexType>
+               <xs:sequence>
+                  <xs:group ref="m:ContExp"/>
+                  <xs:choice minOccurs="0" maxOccurs="unbounded">
+                     <xs:element ref="m:annotation"/>
+                     <xs:element ref="m:annotation-xml"/>
+                  </xs:choice>
+               </xs:sequence>
+               <xs:attributeGroup ref="m:semantics.attributes"/>
+            </xs:complexType>
+         </xs:element>
+      </xs:sequence>
+   </xs:group>
+   <xs:element name="ci">
+      <xs:complexType>
+         <xs:complexContent>
+            <xs:extension base="m:ci.content">
+               <xs:attributeGroup ref="m:ci.attributes"/>
+            </xs:extension>
+         </xs:complexContent>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="csymbol">
+      <xs:complexType>
+         <xs:complexContent>
+            <xs:extension base="m:csymbol.content">
+               <xs:attributeGroup ref="m:csymbol.attributes"/>
+            </xs:extension>
+         </xs:complexContent>
+      </xs:complexType>
+   </xs:element>
+   <xs:simpleType name="SymbolName">
+      <xs:restriction base="xs:NCName"/>
+   </xs:simpleType>
+   <xs:group name="BvarQ">
+      <xs:sequence>
+         <xs:element minOccurs="0" maxOccurs="unbounded" ref="m:bvar"/>
+      </xs:sequence>
+   </xs:group>
+   <xs:element name="apply">
+      <xs:complexType>
+         <xs:complexContent>
+            <xs:extension base="m:apply.content">
+               <xs:attributeGroup ref="m:CommonAtt"/>
+            </xs:extension>
+         </xs:complexContent>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="bind">
+      <xs:complexType>
+         <xs:complexContent>
+            <xs:extension base="m:bind.content">
+               <xs:attributeGroup ref="m:CommonAtt"/>
+            </xs:extension>
+         </xs:complexContent>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="share">
+      <xs:complexType>
+         <xs:attributeGroup ref="m:CommonAtt"/>
+         <xs:attributeGroup ref="m:src"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:element name="cerror">
+      <xs:complexType>
+         <xs:sequence>
+            <xs:element ref="m:csymbol"/>
+            <xs:group minOccurs="0" maxOccurs="unbounded" ref="m:ContExp"/>
+         </xs:sequence>
+         <xs:attributeGroup ref="m:cerror.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:attributeGroup name="cerror.attributes">
+      <xs:attributeGroup ref="m:CommonAtt"/>
+   </xs:attributeGroup>
+   <xs:element name="cbytes">
+      <xs:complexType>
+         <xs:simpleContent>
+            <xs:extension base="m:base64">
+               <xs:attributeGroup ref="m:cbytes.attributes"/>
+            </xs:extension>
+         </xs:simpleContent>
+      </xs:complexType>
+   </xs:element>
+   <xs:simpleType name="base64">
+      <xs:restriction base="xs:base64Binary"/>
+   </xs:simpleType>
+   <xs:element name="cs">
+      <xs:complexType mixed="true">
+         <xs:attributeGroup ref="m:cs.attributes"/>
+      </xs:complexType>
+   </xs:element>
+   <xs:group name="MathExpression">
+      <xs:choice>
+         <xs:group ref="m:ContExp"/>
+         <xs:element ref="m:PresentationExpression"/>
+         <xs:group ref="m:semantics"/>
+      </xs:choice>
+   </xs:group>
+</xs:schema>
\ No newline at end of file
diff --git a/src/main/resources/xjc/medline/mathml3.xsd b/src/main/resources/xjc/medline/mathml3.xsd
new file mode 100755
index 00000000000..283c31e6f37
--- /dev/null
+++ b/src/main/resources/xjc/medline/mathml3.xsd
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
+           xmlns:m="http://www.w3.org/1998/Math/MathML"
+           elementFormDefault="qualified"
+           targetNamespace="http://www.w3.org/1998/Math/MathML">
+   <xs:include schemaLocation="mathml3-content.xsd"/>
+   <xs:include schemaLocation="mathml3-presentation.xsd"/>
+   <xs:include schemaLocation="mathml3-common.xsd"/>
+</xs:schema>
\ No newline at end of file
diff --git a/src/main/resources/xjc/medline/medline.xsd b/src/main/resources/xjc/medline/medline.xsd
index 9c2f73a5bdd..2d15ce00096 100644
--- a/src/main/resources/xjc/medline/medline.xsd
+++ b/src/main/resources/xjc/medline/medline.xsd
@@ -1,314 +1,1830 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- Source: https://github.com/lstern/psilibrary/blob/master/doc/medline/medline.xsd-->
-<!--
-     This is the Current DTD which NLM has written for 
-  External  Use.  If you are a NCBI User, use the information
-  from the PubmedArticleSet.
-  
-  Comments and suggestions are welcome.
-  (May 9, 2000)
-  
-  Corrections:
-  ~~~~~~~~~~~
-  Oct. 09 2002 
-  - "PubMedArticle" has been renamed to "PubmedArticle"
-  - All referencies to "PubMedArticle" has been removed
-  - "ProviderId" has been removed from PubmedData
-  - "URL" has been removed from PubmdeData
-  
-  	$Id: pubmed_160101.dtd 480858 2015-10-05 15:12:19Z korobtch $
-  
--->
-<!-- ================================================================= -->
-<!-- ================================================================= -->
-<!-- Reference to Where the MEDLINECITATION DTD is located -->
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">
-  <xs:include schemaLocation="nlmmedlinecitationset_160101.xsd"/>
-  <xs:include schemaLocation="bookdoc_160101.xsd"/>
-  <!-- ================================================================= -->
-  <xs:simpleType name="iso.language.codes">
-    <xs:restriction base="xs:token">
-      <xs:enumeration value="AF"/>
-      <xs:enumeration value="AR"/>
-      <xs:enumeration value="AZ"/>
-      <xs:enumeration value="BG"/>
-      <xs:enumeration value="CS"/>
-      <xs:enumeration value="DA"/>
-      <xs:enumeration value="DE"/>
-      <xs:enumeration value="EN"/>
-      <xs:enumeration value="EL"/>
-      <xs:enumeration value="ES"/>
-      <xs:enumeration value="FA"/>
-      <xs:enumeration value="FI"/>
-      <xs:enumeration value="FR"/>
-      <xs:enumeration value="HE"/>
-      <xs:enumeration value="HU"/>
-      <xs:enumeration value="HY"/>
-      <xs:enumeration value="IN"/>
-      <xs:enumeration value="IS"/>
-      <xs:enumeration value="IT"/>
-      <xs:enumeration value="IW"/>
-      <xs:enumeration value="JA"/>
-      <xs:enumeration value="KA"/>
-      <xs:enumeration value="KO"/>
-      <xs:enumeration value="LT"/>
-      <xs:enumeration value="MK"/>
-      <xs:enumeration value="ML"/>
-      <xs:enumeration value="NL"/>
-      <xs:enumeration value="NO"/>
-      <xs:enumeration value="PL"/>
-      <xs:enumeration value="PT"/>
-      <xs:enumeration value="PS"/>
-      <xs:enumeration value="RO"/>
-      <xs:enumeration value="RU"/>
-      <xs:enumeration value="SL"/>
-      <xs:enumeration value="SK"/>
-      <xs:enumeration value="SQ"/>
-      <xs:enumeration value="SR"/>
-      <xs:enumeration value="SV"/>
-      <xs:enumeration value="SW"/>
-      <xs:enumeration value="TH"/>
-      <xs:enumeration value="TR"/>
-      <xs:enumeration value="UK"/>
-      <xs:enumeration value="VI"/>
-      <xs:enumeration value="ZH"/>
-    </xs:restriction>
-  </xs:simpleType>
-  <xs:simpleType name="pub.status.int">
-    <xs:restriction base="xs:token">
-      <xs:enumeration value="pmc"/>
-      <xs:enumeration value="pmcr"/>
-      <xs:enumeration value="pubmed"/>
-      <xs:enumeration value="pubmedr"/>
-      <xs:enumeration value="premedline"/>
-      <xs:enumeration value="medline"/>
-      <xs:enumeration value="medliner"/>
-      <xs:enumeration value="entrez"/>
-      <xs:enumeration value="pmc-release"/>
-    </xs:restriction>
-  </xs:simpleType>
-  <xs:simpleType name="pub.status">
-    <xs:union memberTypes="pub.status.int">
-      <xs:simpleType>
-        <xs:restriction base="xs:token">
-          <xs:enumeration value="received"/>
-        </xs:restriction>
-      </xs:simpleType>
-      <xs:simpleType>
-        <xs:restriction base="xs:token">
-          <xs:enumeration value="accepted"/>
-        </xs:restriction>
-      </xs:simpleType>
-      <xs:simpleType>
-        <xs:restriction base="xs:token">
-          <xs:enumeration value="epublish"/>
-        </xs:restriction>
-      </xs:simpleType>
-      <xs:simpleType>
-        <xs:restriction base="xs:token">
-          <xs:enumeration value="ppublish"/>
-        </xs:restriction>
-      </xs:simpleType>
-      <xs:simpleType>
-        <xs:restriction base="xs:token">
-          <xs:enumeration value="revised"/>
-        </xs:restriction>
-      </xs:simpleType>
-      <xs:simpleType>
-        <xs:restriction base="xs:token">
-          <xs:enumeration value="aheadofprint"/>
-        </xs:restriction>
-      </xs:simpleType>
-      <xs:simpleType>
-        <xs:restriction base="xs:token">
-          <xs:enumeration value="retracted"/>
-        </xs:restriction>
-      </xs:simpleType>
-      <xs:simpleType>
-        <xs:restriction base="xs:token">
-          <xs:enumeration value="ecollection"/>
-        </xs:restriction>
-      </xs:simpleType>
-    </xs:union>
-  </xs:simpleType>
-  <xs:simpleType name="art.id.type.int">
-    <xs:restriction base="xs:token">
-      <xs:enumeration value="pubmed"/>
-      <xs:enumeration value="medline"/>
-      <xs:enumeration value="pmcid"/>
-      <xs:enumeration value="pmcbook"/>
-      <xs:enumeration value="bookaccession"/>
-    </xs:restriction>
-  </xs:simpleType>
-  <xs:simpleType name="art.id.type">
-    <xs:union memberTypes="art.id.type.int">
-      <xs:simpleType>
-        <xs:restriction base="xs:token">
-          <xs:enumeration value="doi"/>
-        </xs:restriction>
-      </xs:simpleType>
-      <xs:simpleType>
-        <xs:restriction base="xs:token">
-          <xs:enumeration value="pii"/>
-        </xs:restriction>
-      </xs:simpleType>
-      <xs:simpleType>
-        <xs:restriction base="xs:token">
-          <xs:enumeration value="pmcpid"/>
-        </xs:restriction>
-      </xs:simpleType>
-      <xs:simpleType>
-        <xs:restriction base="xs:token">
-          <xs:enumeration value="pmpid"/>
-        </xs:restriction>
-      </xs:simpleType>
-      <xs:simpleType>
-        <xs:restriction base="xs:token">
-          <xs:enumeration value="pmc"/>
-        </xs:restriction>
-      </xs:simpleType>
-      <xs:simpleType>
-        <xs:restriction base="xs:token">
-          <xs:enumeration value="mid"/>
-        </xs:restriction>
-      </xs:simpleType>
-      <xs:simpleType>
-        <xs:restriction base="xs:token">
-          <xs:enumeration value="sici"/>
-        </xs:restriction>
-      </xs:simpleType>
-    </xs:union>
-  </xs:simpleType>
-  <!-- ================================================================= -->
-  <xs:element name="PubmedArticleSet">
-    <xs:complexType>
-      <xs:choice maxOccurs="unbounded">
-        <xs:element ref="PubmedArticle"/>
-        <xs:element ref="PubmedBookArticle"/>
-      </xs:choice>
-    </xs:complexType>
-  </xs:element>
-  <!-- ================================================================= -->
-  <!-- This is the top level element for PubMedArticle -->
-  <xs:element name="PubmedArticle">
-    <xs:complexType>
-      <xs:sequence>
-        <xs:element ref="MedlineCitation"/>
-        <xs:element minOccurs="0" ref="PubmedData"/>
-      </xs:sequence>
-    </xs:complexType>
-  </xs:element>
-  <!-- ================================================================= -->
-  <xs:complexType name="normal.date">
-    <xs:sequence>
-      <xs:element ref="Year"/>
-      <xs:element ref="Month"/>
-      <xs:element ref="Day"/>
-      <xs:sequence minOccurs="0">
-        <xs:element ref="Hour"/>
-        <xs:sequence minOccurs="0">
-          <xs:element ref="Minute"/>
-          <xs:element minOccurs="0" ref="Second"/>
-        </xs:sequence>
-      </xs:sequence>
-    </xs:sequence>
-  </xs:complexType>
-  <xs:element name="PubmedData">
-    <xs:complexType>
-      <xs:sequence>
-        <xs:element minOccurs="0" ref="History"/>
-        <xs:element ref="PublicationStatus"/>
-        <xs:element ref="ArticleIdList"/>
-        <xs:element minOccurs="0" ref="ObjectList"/>
-      </xs:sequence>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="PubMedPubDate">
-    <xs:complexType>
-      <xs:complexContent>
-        <xs:extension base="normal.date">
-          <xs:attributeGroup ref="attlist.PubMedPubDate"/>
-        </xs:extension>
-      </xs:complexContent>
-    </xs:complexType>
-  </xs:element>
-  <xs:attributeGroup name="attlist.PubMedPubDate">
-    <xs:attribute name="PubStatus" use="required" type="pub.status"/>
-  </xs:attributeGroup>
-  <xs:element name="PublicationStatus" type="xs:string"/>
-  <xs:element name="ArticleIdList">
-    <xs:complexType>
-      <xs:sequence>
-        <xs:element maxOccurs="unbounded" ref="ArticleId"/>
-      </xs:sequence>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="ArticleId">
-    <xs:complexType mixed="true">
-      <xs:attributeGroup ref="attlist.ArticleId"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:attributeGroup name="attlist.ArticleId">
-    <xs:attribute name="IdType" default="pubmed" type="art.id.type"/>
-  </xs:attributeGroup>
-  <xs:element name="History">
-    <xs:complexType>
-      <xs:sequence>
-        <xs:element maxOccurs="unbounded" ref="PubMedPubDate"/>
-      </xs:sequence>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="URL">
-    <xs:complexType mixed="true">
-      <xs:attributeGroup ref="attlist.URL"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:attributeGroup name="attlist.URL">
-    <xs:attribute name="lang" type="iso.language.codes"/>
-    <xs:attribute name="Type">
-      <xs:simpleType>
-        <xs:restriction base="xs:token">
-          <xs:enumeration value="FullText"/>
-          <xs:enumeration value="Summary"/>
-          <xs:enumeration value="fulltext"/>
-          <xs:enumeration value="summary"/>
-        </xs:restriction>
-      </xs:simpleType>
-    </xs:attribute>
-  </xs:attributeGroup>
-  <xs:element name="ObjectList">
-    <xs:complexType>
-      <xs:sequence>
-        <xs:element maxOccurs="unbounded" ref="Object"/>
-      </xs:sequence>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="Object">
-    <xs:complexType>
-      <xs:sequence>
-        <xs:element minOccurs="0" maxOccurs="unbounded" ref="Param"/>
-      </xs:sequence>
-      <xs:attributeGroup ref="attlist.Object"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:attributeGroup name="attlist.Object">
-    <xs:attribute name="Type" use="required"/>
-  </xs:attributeGroup>
-  <xs:element name="Param">
-    <xs:complexType>
-      <xs:complexContent>
-        <xs:extension base="text">
-          <xs:attributeGroup ref="attlist.Param"/>
-        </xs:extension>
-      </xs:complexContent>
-    </xs:complexType>
-  </xs:element>
-  <xs:attributeGroup name="attlist.Param">
-    <xs:attribute name="Name" use="required"/>
-  </xs:attributeGroup>
-  <xs:element name="Hour" type="xs:string"/>
-  <xs:element name="Minute" type="xs:string"/>
-  <xs:element name="Second" type="xs:string"/>
-  <!-- ================================================================= -->
-</xs:schema>
-<!-- ================================================================= -->
+<?xml version="1.0" encoding="Windows-1252"?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:mml="http://www.w3.org/1998/Math/MathML"   elementFormDefault="qualified">
+  <xs:import namespace="http://www.w3.org/1998/Math/MathML" schemaLocation="mathml3.xsd"></xs:import>
+  <xs:attribute name="id" type="xs:ID" />
+  <xs:attribute name="xref" type="xs:string" />
+  <xs:attribute name="class" type="xs:string" />
+  <xs:attribute name="style" type="xs:string" />
+  <xs:attribute name="href" type="xs:string" />
+  <xs:attribute name="other" type="xs:string" />
+  <xs:attribute name="encoding" type="xs:string" />
+  <xs:attribute name="definitionURL" type="xs:string" />
+  <xs:attribute name="type" type="xs:string" />
+  <xs:attribute name="base" type="xs:string" />
+  <xs:attribute name="cd" type="xs:string" />
+  <xs:attribute name="src" type="xs:string" />
+  <xs:attribute name="scope" type="xs:string" />
+  <xs:attribute name="nargs" type="xs:string" />
+  <xs:attribute name="occurrence">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="prefix" />
+        <xs:enumeration value="infix" />
+        <xs:enumeration value="function-model" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="closure" type="xs:string" />
+  <xs:attribute name="order">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="numeric" />
+        <xs:enumeration value="lexicographic" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="mathcolor" type="xs:string" />
+  <xs:attribute name="mathbackground" type="xs:string" />
+  <xs:attribute name="mathvariant">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="normal" />
+        <xs:enumeration value="bold" />
+        <xs:enumeration value="italic" />
+        <xs:enumeration value="bold-italic" />
+        <xs:enumeration value="double-struck" />
+        <xs:enumeration value="bold-fraktur" />
+        <xs:enumeration value="script" />
+        <xs:enumeration value="bold-script" />
+        <xs:enumeration value="fraktur" />
+        <xs:enumeration value="sans-serif" />
+        <xs:enumeration value="bold-sans-serif" />
+        <xs:enumeration value="sans-serif-italic" />
+        <xs:enumeration value="sans-serif-bold-italic" />
+        <xs:enumeration value="monospace" />
+        <xs:enumeration value="initial" />
+        <xs:enumeration value="tailed" />
+        <xs:enumeration value="looped" />
+        <xs:enumeration value="stretched" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="mathsize" type="xs:string" />
+  <xs:attribute name="dir">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="ltr" />
+        <xs:enumeration value="rtl" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="fontfamily" type="xs:string" />
+  <xs:attribute name="fontweight">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="normal" />
+        <xs:enumeration value="bold" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="fontstyle">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="normal" />
+        <xs:enumeration value="italic" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="fontsize" type="xs:string" />
+  <xs:attribute name="color" type="xs:string" />
+  <xs:attribute name="background" type="xs:string" />
+  <xs:attribute name="form">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="prefix" />
+        <xs:enumeration value="infix" />
+        <xs:enumeration value="postfix" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="fence">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="true" />
+        <xs:enumeration value="false" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="separator">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="true" />
+        <xs:enumeration value="false" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="lspace" type="xs:string" />
+  <xs:attribute name="rspace" type="xs:string" />
+  <xs:attribute name="stretchy">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="true" />
+        <xs:enumeration value="false" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="symmetric">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="true" />
+        <xs:enumeration value="false" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="maxsize" type="xs:string" />
+  <xs:attribute name="minsize" type="xs:string" />
+  <xs:attribute name="largeop">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="true" />
+        <xs:enumeration value="false" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="movablelimits">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="true" />
+        <xs:enumeration value="false" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="accent">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="true" />
+        <xs:enumeration value="false" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="linebreak">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="auto" />
+        <xs:enumeration value="newline" />
+        <xs:enumeration value="nobreak" />
+        <xs:enumeration value="goodbreak" />
+        <xs:enumeration value="badbreak" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="lineleading" type="xs:string" />
+  <xs:attribute name="linebreakstyle">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="before" />
+        <xs:enumeration value="after" />
+        <xs:enumeration value="duplicate" />
+        <xs:enumeration value="infixlinebreakstyle" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="linebreakmultchar" type="xs:string" />
+  <xs:attribute name="indentalign">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="left" />
+        <xs:enumeration value="center" />
+        <xs:enumeration value="right" />
+        <xs:enumeration value="auto" />
+        <xs:enumeration value="id" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="indentshift" type="xs:string" />
+  <xs:attribute name="indenttarget" type="xs:string" />
+  <xs:attribute name="indentalignfirst">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="left" />
+        <xs:enumeration value="center" />
+        <xs:enumeration value="right" />
+        <xs:enumeration value="auto" />
+        <xs:enumeration value="id" />
+        <xs:enumeration value="indentalign" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="indentshiftfirst" type="xs:string" />
+  <xs:attribute name="indentalignlast">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="left" />
+        <xs:enumeration value="center" />
+        <xs:enumeration value="right" />
+        <xs:enumeration value="auto" />
+        <xs:enumeration value="id" />
+        <xs:enumeration value="indentalign" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="indentshiftlast" type="xs:string" />
+  <xs:attribute name="width" type="xs:string" />
+  <xs:attribute name="height" type="xs:string" />
+  <xs:attribute name="depth" type="xs:string" />
+  <xs:attribute name="lquote" type="xs:string" />
+  <xs:attribute name="rquote" type="xs:string" />
+  <xs:attribute name="valign" type="xs:string" />
+  <xs:attribute name="alt" type="xs:string" />
+  <xs:attribute name="index" type="xs:string" />
+  <xs:attribute name="position" type="xs:string" />
+  <xs:attribute name="length" type="xs:string" />
+  <xs:attribute name="leftoverhang" type="xs:string" />
+  <xs:attribute name="rightoverhang" type="xs:string" />
+  <xs:attribute name="mslinethickness" type="xs:string" />
+  <xs:attribute name="edge">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="left" />
+        <xs:enumeration value="right" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="groupalign">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="left" />
+        <xs:enumeration value="center" />
+        <xs:enumeration value="right" />
+        <xs:enumeration value="decimalpoint" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="linethickness" type="xs:string" />
+  <xs:attribute name="numalign">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="left" />
+        <xs:enumeration value="center" />
+        <xs:enumeration value="right" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="denomalign">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="left" />
+        <xs:enumeration value="center" />
+        <xs:enumeration value="right" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="bevelled">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="true" />
+        <xs:enumeration value="false" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="scriptlevel" type="xs:string" />
+  <xs:attribute name="displaystyle">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="true" />
+        <xs:enumeration value="false" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="scriptsizemultiplier" type="xs:string" />
+  <xs:attribute name="scriptminsize" type="xs:string" />
+  <xs:attribute name="infixlinebreakstyle">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="before" />
+        <xs:enumeration value="after" />
+        <xs:enumeration value="duplicate" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="decimalpoint" type="xs:string" />
+  <xs:attribute name="accentunder">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="true" />
+        <xs:enumeration value="false" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="align">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="left" />
+        <xs:enumeration value="right" />
+        <xs:enumeration value="center" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="alignmentscope" type="xs:string" />
+  <xs:attribute name="charalign">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="left" />
+        <xs:enumeration value="center" />
+        <xs:enumeration value="right" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="charspacing" type="xs:string" />
+  <xs:attribute name="close" type="xs:string" />
+  <xs:attribute name="columnalign" type="xs:string" />
+  <xs:attribute name="columnlines" type="xs:string" />
+  <xs:attribute name="columnspacing" type="xs:string" />
+  <xs:attribute name="columnspan" type="xs:string" />
+  <xs:attribute name="columnwidth" type="xs:string" />
+  <xs:attribute name="crossout" type="xs:string" />
+  <xs:attribute name="equalcolumns">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="true" />
+        <xs:enumeration value="false" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="equalrows">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="true" />
+        <xs:enumeration value="false" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="frame">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="none" />
+        <xs:enumeration value="solid" />
+        <xs:enumeration value="dashed" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="framespacing" type="xs:string" />
+  <xs:attribute name="location">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="w" />
+        <xs:enumeration value="nw" />
+        <xs:enumeration value="n" />
+        <xs:enumeration value="ne" />
+        <xs:enumeration value="e" />
+        <xs:enumeration value="se" />
+        <xs:enumeration value="s" />
+        <xs:enumeration value="sw" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="longdivstyle" type="xs:string" />
+  <xs:attribute name="minlabelspacing" type="xs:string" />
+  <xs:attribute name="notation" type="xs:string" />
+  <xs:attribute name="open" type="xs:string" />
+  <xs:attribute name="rowalign" type="xs:string" />
+  <xs:attribute name="rowlines" type="xs:string" />
+  <xs:attribute name="rowspacing" type="xs:string" />
+  <xs:attribute name="rowspan" type="xs:string" />
+  <xs:attribute name="selection" type="xs:string" />
+  <xs:attribute name="separators" type="xs:string" />
+  <xs:attribute name="shift" type="xs:string" />
+  <xs:attribute name="side">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="left" />
+        <xs:enumeration value="right" />
+        <xs:enumeration value="leftoverlap" />
+        <xs:enumeration value="rightoverlap" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="stackalign">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="left" />
+        <xs:enumeration value="center" />
+        <xs:enumeration value="right" />
+        <xs:enumeration value="decimalpoint" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="subscriptshift" type="xs:string" />
+  <xs:attribute name="superscriptshift" type="xs:string" />
+  <xs:attribute name="veryverythinmathspace" type="xs:string" />
+  <xs:attribute name="verythinmathspace" type="xs:string" />
+  <xs:attribute name="thinmathspace" type="xs:string" />
+  <xs:attribute name="mediummathspace" type="xs:string" />
+  <xs:attribute name="thickmathspace" type="xs:string" />
+  <xs:attribute name="verythickmathspace" type="xs:string" />
+  <xs:attribute name="veryverythickmathspace" type="xs:string" />
+  <xs:attribute name="voffset" type="xs:string" />
+  <xs:attribute name="actiontype" type="xs:string" />
+  <xs:attribute name="display">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="block" />
+        <xs:enumeration value="inline" />
+      </xs:restriction>
+    </xs:simpleType>
+  </xs:attribute>
+  <xs:attribute name="maxwidth" type="xs:string" />
+  <xs:attribute name="overflow">
+    <xs:simpleType>
+      <xs:restriction base="xs:NMTOKEN">
+        <xs:enumeration value="linebreak" />
+        <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:string" />
+  <xs:attribute name="altimg-width" type="xs:string" />
+  <xs:attribute name="altimg-height" type="xs:string" />
+  <xs:attribute name="altimg-valign" type="xs:string" />
+  <xs:attribute name="alttext" type="xs:string" />
+  <xs:attribute name="cdgroup" type="xs:string" />
+  <xs:attribute name="mode" type="xs:string" />
+  <xs:attribute name="macros" type="xs:string" />
+  <xs:attribute name="name" type="xs:string" />
+  <xs:element name="PubmedArticleSet">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:choice minOccurs="1" maxOccurs="unbounded">
+          <xs:element ref="PubmedArticle" />
+          <xs:element ref="PubmedBookArticle" />
+        </xs:choice>
+        <xs:element minOccurs="0" maxOccurs="1" ref="DeleteCitation" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="BookDocumentSet">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="BookDocument" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="DeleteDocument" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="PubmedBookArticleSet">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="PubmedBookArticle" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="PubmedArticle">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref="MedlineCitation" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="PubmedData" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="PubmedBookArticle">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref="BookDocument" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="PubmedBookData" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="BookDocument">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref="PMID" />
+        <xs:element ref="ArticleIdList" />
+        <xs:element ref="Book" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="LocationLabel" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="ArticleTitle" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="VernacularTitle" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="Pagination" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="Language" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="AuthorList" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="InvestigatorList" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="PublicationType" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="Abstract" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="Sections" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="KeywordList" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="ContributionDate" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="DateRevised" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="GrantList" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="ItemList" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="ReferenceList" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="DeleteCitation">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="1" maxOccurs="unbounded" ref="PMID" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="DeleteDocument">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="PMID" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="MedlineCitation">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref="PMID" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="DateCompleted" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="DateRevised" />
+        <xs:element ref="Article" />
+        <xs:element ref="MedlineJournalInfo" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="ChemicalList" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="SupplMeshList" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="CitationSubset" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="CommentsCorrectionsList" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="GeneSymbolList" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="MeshHeadingList" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="NumberOfReferences" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="PersonalNameSubjectList" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="OtherID" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="OtherAbstract" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="KeywordList" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="CoiStatement" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="SpaceFlightMission" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="InvestigatorList" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="GeneralNote" />
+      </xs:sequence>
+      <xs:attribute default="NLM" name="Owner">
+        <xs:simpleType>
+          <xs:restriction base="xs:NMTOKEN">
+            <xs:enumeration value="NLM" />
+            <xs:enumeration value="NASA" />
+            <xs:enumeration value="PIP" />
+            <xs:enumeration value="KIE" />
+            <xs:enumeration value="HSR" />
+            <xs:enumeration value="HMD" />
+            <xs:enumeration value="NOTNLM" />
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="Status" use="required">
+        <xs:simpleType>
+          <xs:restriction base="xs:NMTOKEN">
+            <xs:enumeration value="Completed" />
+            <xs:enumeration value="In-Process" />
+            <xs:enumeration value="PubMed-not-MEDLINE" />
+            <xs:enumeration value="In-Data-Review" />
+            <xs:enumeration value="Publisher" />
+            <xs:enumeration value="MEDLINE" />
+            <xs:enumeration value="OLDMEDLINE" />
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="VersionID" type="xs:string" />
+      <xs:attribute name="VersionDate" type="xs:string" />
+      <xs:attribute name="IndexingMethod" type="xs:string" />
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="PubmedData">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="0" maxOccurs="1" ref="History" />
+        <xs:element ref="PublicationStatus" />
+        <xs:element ref="ArticleIdList" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="ObjectList" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="ReferenceList" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="PubmedBookData">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="0" maxOccurs="1" ref="History" />
+        <xs:element ref="PublicationStatus" />
+        <xs:element ref="ArticleIdList" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="ObjectList" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Article">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref="Journal" />
+        <xs:element ref="ArticleTitle" />
+        <xs:choice>
+          <xs:sequence>
+            <xs:element ref="Pagination" />
+            <xs:element minOccurs="0" maxOccurs="unbounded" ref="ELocationID" />
+          </xs:sequence>
+          <xs:element minOccurs="1" maxOccurs="unbounded" ref="ELocationID" />
+        </xs:choice>
+        <xs:element minOccurs="0" maxOccurs="1" ref="Abstract" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="AuthorList" />
+        <xs:element minOccurs="1" maxOccurs="unbounded" ref="Language" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="DataBankList" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="GrantList" />
+        <xs:element ref="PublicationTypeList" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="VernacularTitle" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="ArticleDate" />
+      </xs:sequence>
+      <xs:attribute name="PubModel" use="required">
+        <xs:simpleType>
+          <xs:restriction base="xs:NMTOKEN">
+            <xs:enumeration value="Print" />
+            <xs:enumeration value="Print-Electronic" />
+            <xs:enumeration value="Electronic" />
+            <xs:enumeration value="Electronic-Print" />
+            <xs:enumeration value="Electronic-eCollection" />
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Abstract">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="1" maxOccurs="unbounded" ref="AbstractText" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="CopyrightInformation" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="AbstractText">
+    <xs:complexType mixed="true">
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+        <xs:element ref="b" />
+        <xs:element ref="i" />
+        <xs:element ref="sup" />
+        <xs:element ref="sub" />
+        <xs:element ref="u" />
+        <xs:element ref="mml:math" />
+        <xs:element ref="DispFormula" />
+      </xs:choice>
+      <xs:attribute name="Label" type="xs:string" />
+      <xs:attribute name="NlmCategory">
+        <xs:simpleType>
+          <xs:restriction base="xs:NMTOKEN">
+            <xs:enumeration value="BACKGROUND" />
+            <xs:enumeration value="OBJECTIVE" />
+            <xs:enumeration value="METHODS" />
+            <xs:enumeration value="RESULTS" />
+            <xs:enumeration value="CONCLUSIONS" />
+            <xs:enumeration value="UNASSIGNED" />
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="AccessionNumber" type="xs:string" />
+  <xs:element name="AccessionNumberList">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="1" maxOccurs="unbounded" ref="AccessionNumber" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Acronym" type="xs:string" />
+  <xs:element name="Affiliation">
+    <xs:complexType mixed="true">
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+        <xs:element ref="b" />
+        <xs:element ref="i" />
+        <xs:element ref="sup" />
+        <xs:element ref="sub" />
+        <xs:element ref="u" />
+      </xs:choice>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="AffiliationInfo">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref="Affiliation" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="Identifier" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Agency" type="xs:string" />
+  <xs:element name="ArticleDate">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref="Year" />
+        <xs:element ref="Month" />
+        <xs:element ref="Day" />
+      </xs:sequence>
+      <xs:attribute fixed="Electronic" name="DateType" type="xs:string" />
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="ArticleId">
+    <xs:complexType>
+      <xs:simpleContent>
+        <xs:extension base="xs:string">
+          <xs:attribute default="pubmed" name="IdType">
+            <xs:simpleType>
+              <xs:restriction base="xs:NMTOKEN">
+                <xs:enumeration value="doi" />
+                <xs:enumeration value="pii" />
+                <xs:enumeration value="pmcpid" />
+                <xs:enumeration value="pmpid" />
+                <xs:enumeration value="pmc" />
+                <xs:enumeration value="mid" />
+                <xs:enumeration value="sici" />
+                <xs:enumeration value="pubmed" />
+                <xs:enumeration value="medline" />
+                <xs:enumeration value="pmcid" />
+                <xs:enumeration value="pmcbook" />
+                <xs:enumeration value="bookaccession" />
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+        </xs:extension>
+      </xs:simpleContent>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="ArticleIdList">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="1" maxOccurs="unbounded" ref="ArticleId" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="ArticleTitle">
+    <xs:complexType mixed="true">
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+        <xs:element ref="b" />
+        <xs:element ref="i" />
+        <xs:element ref="sup" />
+        <xs:element ref="sub" />
+        <xs:element ref="u" />
+        <xs:element ref="mml:math" />
+      </xs:choice>
+      <xs:attribute name="book" type="xs:string" />
+      <xs:attribute name="part" type="xs:string" />
+      <xs:attribute name="sec" type="xs:string" />
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Author">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:choice>
+          <xs:sequence>
+            <xs:element ref="LastName" />
+            <xs:element minOccurs="0" maxOccurs="1" ref="ForeName" />
+            <xs:element minOccurs="0" maxOccurs="1" ref="Initials" />
+            <xs:element minOccurs="0" maxOccurs="1" ref="Suffix" />
+          </xs:sequence>
+          <xs:element ref="CollectiveName" />
+        </xs:choice>
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="Identifier" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="AffiliationInfo" />
+      </xs:sequence>
+      <xs:attribute default="Y" name="ValidYN">
+        <xs:simpleType>
+          <xs:restriction base="xs:NMTOKEN">
+            <xs:enumeration value="Y" />
+            <xs:enumeration value="N" />
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="EqualContrib">
+        <xs:simpleType>
+          <xs:restriction base="xs:NMTOKEN">
+            <xs:enumeration value="Y" />
+            <xs:enumeration value="N" />
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="AuthorList">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="1" maxOccurs="unbounded" ref="Author" />
+      </xs:sequence>
+      <xs:attribute default="Y" name="CompleteYN">
+        <xs:simpleType>
+          <xs:restriction base="xs:NMTOKEN">
+            <xs:enumeration value="Y" />
+            <xs:enumeration value="N" />
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="Type">
+        <xs:simpleType>
+          <xs:restriction base="xs:NMTOKEN">
+            <xs:enumeration value="authors" />
+            <xs:enumeration value="editors" />
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="b">
+    <xs:complexType mixed="true">
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+        <xs:element ref="b" />
+        <xs:element ref="i" />
+        <xs:element ref="sup" />
+        <xs:element ref="sub" />
+        <xs:element ref="u" />
+      </xs:choice>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="BeginningDate">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref="Year" />
+        <xs:choice minOccurs="0" maxOccurs="1">
+          <xs:sequence>
+            <xs:element ref="Month" />
+            <xs:element minOccurs="0" maxOccurs="1" ref="Day" />
+          </xs:sequence>
+          <xs:element ref="Season" />
+        </xs:choice>
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Book">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref="Publisher" />
+        <xs:element ref="BookTitle" />
+        <xs:element ref="PubDate" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="BeginningDate" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="EndingDate" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="AuthorList" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="InvestigatorList" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="Volume" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="VolumeTitle" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="Edition" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="CollectionTitle" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="Isbn" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="ELocationID" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="Medium" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="ReportNumber" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="BookTitle">
+    <xs:complexType mixed="true">
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+        <xs:element ref="b" />
+        <xs:element ref="i" />
+        <xs:element ref="sup" />
+        <xs:element ref="sub" />
+        <xs:element ref="u" />
+        <xs:element ref="mml:math" />
+      </xs:choice>
+      <xs:attribute name="book" type="xs:string" />
+      <xs:attribute name="part" type="xs:string" />
+      <xs:attribute name="sec" type="xs:string" />
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Chemical">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref="RegistryNumber" />
+        <xs:element ref="NameOfSubstance" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="ChemicalList">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="1" maxOccurs="unbounded" ref="Chemical" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Citation">
+    <xs:complexType mixed="true">
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+        <xs:element ref="b" />
+        <xs:element ref="i" />
+        <xs:element ref="sup" />
+        <xs:element ref="sub" />
+        <xs:element ref="u" />
+        <xs:element ref="mml:math" />
+      </xs:choice>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="CitationSubset" type="xs:string" />
+  <xs:element name="CoiStatement">
+    <xs:complexType mixed="true">
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+        <xs:element ref="b" />
+        <xs:element ref="i" />
+        <xs:element ref="sup" />
+        <xs:element ref="sub" />
+        <xs:element ref="u" />
+      </xs:choice>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="CollectionTitle">
+    <xs:complexType mixed="true">
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+        <xs:element ref="b" />
+        <xs:element ref="i" />
+        <xs:element ref="sup" />
+        <xs:element ref="sub" />
+        <xs:element ref="u" />
+        <xs:element ref="mml:math" />
+      </xs:choice>
+      <xs:attribute name="book" type="xs:string" />
+      <xs:attribute name="part" type="xs:string" />
+      <xs:attribute name="sec" type="xs:string" />
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="CollectiveName">
+    <xs:complexType mixed="true">
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+        <xs:element ref="b" />
+        <xs:element ref="i" />
+        <xs:element ref="sup" />
+        <xs:element ref="sub" />
+        <xs:element ref="u" />
+      </xs:choice>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="CommentsCorrections">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref="RefSource" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="PMID" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="Note" />
+      </xs:sequence>
+      <xs:attribute name="RefType" use="required">
+        <xs:simpleType>
+          <xs:restriction base="xs:NMTOKEN">
+            <xs:enumeration value="AssociatedDataset" />
+            <xs:enumeration value="AssociatedPublication" />
+            <xs:enumeration value="CommentIn" />
+            <xs:enumeration value="CommentOn" />
+            <xs:enumeration value="CorrectedandRepublishedIn" />
+            <xs:enumeration value="CorrectedandRepublishedFrom" />
+            <xs:enumeration value="ErratumIn" />
+            <xs:enumeration value="ErratumFor" />
+            <xs:enumeration value="ExpressionOfConcernIn" />
+            <xs:enumeration value="ExpressionOfConcernFor" />
+            <xs:enumeration value="RepublishedIn" />
+            <xs:enumeration value="RepublishedFrom" />
+            <xs:enumeration value="RetractedandRepublishedIn" />
+            <xs:enumeration value="RetractedandRepublishedFrom" />
+            <xs:enumeration value="RetractionIn" />
+            <xs:enumeration value="RetractionOf" />
+            <xs:enumeration value="UpdateIn" />
+            <xs:enumeration value="UpdateOf" />
+            <xs:enumeration value="SummaryForPatientsIn" />
+            <xs:enumeration value="OriginalReportIn" />
+            <xs:enumeration value="ReprintIn" />
+            <xs:enumeration value="ReprintOf" />
+            <xs:enumeration value="Cites" />
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="CommentsCorrectionsList">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="1" maxOccurs="unbounded" ref="CommentsCorrections" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="ContractNumber" type="xs:string" />
+  <xs:element name="ContributionDate">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref="Year" />
+        <xs:choice minOccurs="0" maxOccurs="1">
+          <xs:sequence>
+            <xs:element ref="Month" />
+            <xs:element minOccurs="0" maxOccurs="1" ref="Day" />
+          </xs:sequence>
+          <xs:element ref="Season" />
+        </xs:choice>
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="CopyrightInformation" type="xs:string" />
+  <xs:element name="Country" type="xs:string" />
+  <xs:element name="DataBank">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref="DataBankName" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="AccessionNumberList" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="DataBankList">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="1" maxOccurs="unbounded" ref="DataBank" />
+      </xs:sequence>
+      <xs:attribute default="Y" name="CompleteYN">
+        <xs:simpleType>
+          <xs:restriction base="xs:NMTOKEN">
+            <xs:enumeration value="Y" />
+            <xs:enumeration value="N" />
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="DataBankName" type="xs:string" />
+  <xs:element name="DateCompleted">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref="Year" />
+        <xs:element ref="Month" />
+        <xs:element ref="Day" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="DateRevised">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref="Year" />
+        <xs:element ref="Month" />
+        <xs:element ref="Day" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Day" type="xs:string" />
+  <xs:element name="DescriptorName">
+    <xs:complexType>
+      <xs:simpleContent>
+        <xs:extension base="xs:string">
+          <xs:attribute default="N" name="MajorTopicYN">
+            <xs:simpleType>
+              <xs:restriction base="xs:NMTOKEN">
+                <xs:enumeration value="Y" />
+                <xs:enumeration value="N" />
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="Type">
+            <xs:simpleType>
+              <xs:restriction base="xs:NMTOKEN">
+                <xs:enumeration value="Geographic" />
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="UI" type="xs:string" use="required" />
+        </xs:extension>
+      </xs:simpleContent>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="DispFormula">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref="mml:math" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Edition" type="xs:string" />
+  <xs:element name="ELocationID">
+    <xs:complexType>
+      <xs:simpleContent>
+        <xs:extension base="xs:string">
+          <xs:attribute name="EIdType" use="required">
+            <xs:simpleType>
+              <xs:restriction base="xs:NMTOKEN">
+                <xs:enumeration value="doi" />
+                <xs:enumeration value="pii" />
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute default="Y" name="ValidYN">
+            <xs:simpleType>
+              <xs:restriction base="xs:NMTOKEN">
+                <xs:enumeration value="Y" />
+                <xs:enumeration value="N" />
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+        </xs:extension>
+      </xs:simpleContent>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="EndingDate">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref="Year" />
+        <xs:choice minOccurs="0" maxOccurs="1">
+          <xs:sequence>
+            <xs:element ref="Month" />
+            <xs:element minOccurs="0" maxOccurs="1" ref="Day" />
+          </xs:sequence>
+          <xs:element ref="Season" />
+        </xs:choice>
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="EndPage" type="xs:string" />
+  <xs:element name="ForeName" type="xs:string" />
+  <xs:element name="GeneSymbol" type="xs:string" />
+  <xs:element name="GeneSymbolList">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="1" maxOccurs="unbounded" ref="GeneSymbol" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="GeneralNote">
+    <xs:complexType>
+      <xs:simpleContent>
+        <xs:extension base="xs:string">
+          <xs:attribute default="NLM" name="Owner">
+            <xs:simpleType>
+              <xs:restriction base="xs:NMTOKEN">
+                <xs:enumeration value="NLM" />
+                <xs:enumeration value="NASA" />
+                <xs:enumeration value="PIP" />
+                <xs:enumeration value="KIE" />
+                <xs:enumeration value="HSR" />
+                <xs:enumeration value="HMD" />
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+        </xs:extension>
+      </xs:simpleContent>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Grant">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="0" maxOccurs="1" ref="GrantID" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="Acronym" />
+        <xs:element ref="Agency" />
+        <xs:element ref="Country" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="GrantID" type="xs:string" />
+  <xs:element name="GrantList">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="1" maxOccurs="unbounded" ref="Grant" />
+      </xs:sequence>
+      <xs:attribute default="Y" name="CompleteYN">
+        <xs:simpleType>
+          <xs:restriction base="xs:NMTOKEN">
+            <xs:enumeration value="Y" />
+            <xs:enumeration value="N" />
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="History">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="1" maxOccurs="unbounded" ref="PubMedPubDate" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Hour" type="xs:string" />
+  <xs:element name="i">
+    <xs:complexType mixed="true">
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+        <xs:element ref="b" />
+        <xs:element ref="i" />
+        <xs:element ref="sup" />
+        <xs:element ref="sub" />
+        <xs:element ref="u" />
+      </xs:choice>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Identifier">
+    <xs:complexType>
+      <xs:simpleContent>
+        <xs:extension base="xs:string">
+          <xs:attribute name="Source" type="xs:string" use="required" />
+        </xs:extension>
+      </xs:simpleContent>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Initials" type="xs:string" />
+  <xs:element name="Investigator">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref="LastName" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="ForeName" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="Initials" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="Suffix" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="Identifier" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="AffiliationInfo" />
+      </xs:sequence>
+      <xs:attribute default="Y" name="ValidYN">
+        <xs:simpleType>
+          <xs:restriction base="xs:NMTOKEN">
+            <xs:enumeration value="Y" />
+            <xs:enumeration value="N" />
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="InvestigatorList">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="1" maxOccurs="unbounded" ref="Investigator" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Isbn" type="xs:string" />
+  <xs:element name="ISOAbbreviation" type="xs:string" />
+  <xs:element name="ISSN">
+    <xs:complexType>
+      <xs:simpleContent>
+        <xs:extension base="xs:string">
+          <xs:attribute name="IssnType" use="required">
+            <xs:simpleType>
+              <xs:restriction base="xs:NMTOKEN">
+                <xs:enumeration value="Electronic" />
+                <xs:enumeration value="Print" />
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+        </xs:extension>
+      </xs:simpleContent>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="ISSNLinking" type="xs:string" />
+  <xs:element name="Issue" type="xs:string" />
+  <xs:element name="Item" type="xs:string" />
+  <xs:element name="ItemList">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="1" maxOccurs="unbounded" ref="Item" />
+      </xs:sequence>
+      <xs:attribute name="ListType" type="xs:string" use="required" />
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Journal">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="0" maxOccurs="1" ref="ISSN" />
+        <xs:element ref="JournalIssue" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="Title" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="ISOAbbreviation" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="JournalIssue">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="0" maxOccurs="1" ref="Volume" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="Issue" />
+        <xs:element ref="PubDate" />
+      </xs:sequence>
+      <xs:attribute name="CitedMedium" use="required">
+        <xs:simpleType>
+          <xs:restriction base="xs:NMTOKEN">
+            <xs:enumeration value="Internet" />
+            <xs:enumeration value="Print" />
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Keyword">
+    <xs:complexType mixed="true">
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+        <xs:element ref="b" />
+        <xs:element ref="i" />
+        <xs:element ref="sup" />
+        <xs:element ref="sub" />
+        <xs:element ref="u" />
+        <xs:element ref="mml:math" />
+      </xs:choice>
+      <xs:attribute default="N" name="MajorTopicYN">
+        <xs:simpleType>
+          <xs:restriction base="xs:NMTOKEN">
+            <xs:enumeration value="Y" />
+            <xs:enumeration value="N" />
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="KeywordList">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="1" maxOccurs="unbounded" ref="Keyword" />
+      </xs:sequence>
+      <xs:attribute default="NLM" name="Owner">
+        <xs:simpleType>
+          <xs:restriction base="xs:NMTOKEN">
+            <xs:enumeration value="NLM" />
+            <xs:enumeration value="NLM-AUTO" />
+            <xs:enumeration value="NASA" />
+            <xs:enumeration value="PIP" />
+            <xs:enumeration value="KIE" />
+            <xs:enumeration value="NOTNLM" />
+            <xs:enumeration value="HHS" />
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Language" type="xs:string" />
+  <xs:element name="LastName" type="xs:string" />
+  <xs:element name="LocationLabel">
+    <xs:complexType>
+      <xs:simpleContent>
+        <xs:extension base="xs:string">
+          <xs:attribute name="Type">
+            <xs:simpleType>
+              <xs:restriction base="xs:NMTOKEN">
+                <xs:enumeration value="part" />
+                <xs:enumeration value="chapter" />
+                <xs:enumeration value="section" />
+                <xs:enumeration value="appendix" />
+                <xs:enumeration value="figure" />
+                <xs:enumeration value="table" />
+                <xs:enumeration value="box" />
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+        </xs:extension>
+      </xs:simpleContent>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Medium" type="xs:string" />
+  <xs:element name="MedlineDate" type="xs:string" />
+  <xs:element name="MedlineJournalInfo">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="0" maxOccurs="1" ref="Country" />
+        <xs:element ref="MedlineTA" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="NlmUniqueID" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="ISSNLinking" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="MedlinePgn" type="xs:string" />
+  <xs:element name="MedlineTA" type="xs:string" />
+  <xs:element name="MeshHeading">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref="DescriptorName" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="QualifierName" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="MeshHeadingList">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="1" maxOccurs="unbounded" ref="MeshHeading" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Minute" type="xs:string" />
+  <xs:element name="Month" type="xs:string" />
+  <xs:element name="NameOfSubstance">
+    <xs:complexType>
+      <xs:simpleContent>
+        <xs:extension base="xs:string">
+          <xs:attribute name="UI" type="xs:string" use="required" />
+        </xs:extension>
+      </xs:simpleContent>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="NlmUniqueID" type="xs:string" />
+  <xs:element name="Note" type="xs:string" />
+  <xs:element name="NumberOfReferences" type="xs:string" />
+  <xs:element name="Object">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="Param" />
+      </xs:sequence>
+      <xs:attribute name="Type" type="xs:string" use="required" />
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="ObjectList">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="1" maxOccurs="unbounded" ref="Object" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="OtherAbstract">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="1" maxOccurs="unbounded" ref="AbstractText" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="CopyrightInformation" />
+      </xs:sequence>
+      <xs:attribute name="Type" use="required">
+        <xs:simpleType>
+          <xs:restriction base="xs:NMTOKEN">
+            <xs:enumeration value="AAMC" />
+            <xs:enumeration value="AIDS" />
+            <xs:enumeration value="KIE" />
+            <xs:enumeration value="PIP" />
+            <xs:enumeration value="NASA" />
+            <xs:enumeration value="Publisher" />
+            <xs:enumeration value="plain-language-summary" />
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute default="eng" name="Language" type="xs:string" />
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="OtherID">
+    <xs:complexType>
+      <xs:simpleContent>
+        <xs:extension base="xs:string">
+          <xs:attribute name="Source" use="required">
+            <xs:simpleType>
+              <xs:restriction base="xs:NMTOKEN">
+                <xs:enumeration value="NASA" />
+                <xs:enumeration value="KIE" />
+                <xs:enumeration value="PIP" />
+                <xs:enumeration value="POP" />
+                <xs:enumeration value="ARPL" />
+                <xs:enumeration value="CPC" />
+                <xs:enumeration value="IND" />
+                <xs:enumeration value="CPFH" />
+                <xs:enumeration value="CLML" />
+                <xs:enumeration value="NRCBL" />
+                <xs:enumeration value="NLM" />
+                <xs:enumeration value="QCIM" />
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+        </xs:extension>
+      </xs:simpleContent>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="PMID">
+    <xs:complexType>
+      <xs:simpleContent>
+        <xs:extension base="xs:string">
+          <xs:attribute name="Version" type="xs:string" use="required" />
+        </xs:extension>
+      </xs:simpleContent>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Pagination">
+    <xs:complexType>
+      <xs:choice>
+        <xs:sequence>
+          <xs:element ref="StartPage" />
+          <xs:element minOccurs="0" maxOccurs="1" ref="EndPage" />
+          <xs:element minOccurs="0" maxOccurs="1" ref="MedlinePgn" />
+        </xs:sequence>
+        <xs:element ref="MedlinePgn" />
+      </xs:choice>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Param">
+    <xs:complexType mixed="true">
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+        <xs:element ref="b" />
+        <xs:element ref="i" />
+        <xs:element ref="sup" />
+        <xs:element ref="sub" />
+        <xs:element ref="u" />
+      </xs:choice>
+      <xs:attribute name="Name" type="xs:string" use="required" />
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="PersonalNameSubject">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref="LastName" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="ForeName" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="Initials" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="Suffix" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="PersonalNameSubjectList">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="1" maxOccurs="unbounded" ref="PersonalNameSubject" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="PubDate">
+    <xs:complexType>
+      <xs:choice>
+        <xs:sequence>
+          <xs:element ref="Year" />
+          <xs:choice minOccurs="0" maxOccurs="1">
+            <xs:sequence>
+              <xs:element ref="Month" />
+              <xs:element minOccurs="0" maxOccurs="1" ref="Day" />
+            </xs:sequence>
+            <xs:element ref="Season" />
+          </xs:choice>
+        </xs:sequence>
+        <xs:element ref="MedlineDate" />
+      </xs:choice>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="PublicationStatus" type="xs:string" />
+  <xs:element name="PublicationType">
+    <xs:complexType>
+      <xs:simpleContent>
+        <xs:extension base="xs:string">
+          <xs:attribute name="UI" type="xs:string" use="required" />
+        </xs:extension>
+      </xs:simpleContent>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="PublicationTypeList">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="1" maxOccurs="unbounded" ref="PublicationType" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="PubMedPubDate">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref="Year" />
+        <xs:element ref="Month" />
+        <xs:element ref="Day" />
+        <xs:sequence minOccurs="0" maxOccurs="1">
+          <xs:element ref="Hour" />
+          <xs:sequence minOccurs="0" maxOccurs="1">
+            <xs:element ref="Minute" />
+            <xs:element minOccurs="0" maxOccurs="1" ref="Second" />
+          </xs:sequence>
+        </xs:sequence>
+      </xs:sequence>
+      <xs:attribute name="PubStatus" use="required">
+        <xs:simpleType>
+          <xs:restriction base="xs:NMTOKEN">
+            <xs:enumeration value="received" />
+            <xs:enumeration value="accepted" />
+            <xs:enumeration value="epublish" />
+            <xs:enumeration value="ppublish" />
+            <xs:enumeration value="revised" />
+            <xs:enumeration value="aheadofprint" />
+            <xs:enumeration value="retracted" />
+            <xs:enumeration value="ecollection" />
+            <xs:enumeration value="pmc" />
+            <xs:enumeration value="pmcr" />
+            <xs:enumeration value="pubmed" />
+            <xs:enumeration value="pubmedr" />
+            <xs:enumeration value="premedline" />
+            <xs:enumeration value="medline" />
+            <xs:enumeration value="medliner" />
+            <xs:enumeration value="entrez" />
+            <xs:enumeration value="pmc-release" />
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Publisher">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref="PublisherName" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="PublisherLocation" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="PublisherLocation" type="xs:string" />
+  <xs:element name="PublisherName">
+    <xs:complexType mixed="true">
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+        <xs:element ref="b" />
+        <xs:element ref="i" />
+        <xs:element ref="sup" />
+        <xs:element ref="sub" />
+        <xs:element ref="u" />
+      </xs:choice>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="QualifierName">
+    <xs:complexType>
+      <xs:simpleContent>
+        <xs:extension base="xs:string">
+          <xs:attribute default="N" name="MajorTopicYN">
+            <xs:simpleType>
+              <xs:restriction base="xs:NMTOKEN">
+                <xs:enumeration value="Y" />
+                <xs:enumeration value="N" />
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="UI" type="xs:string" use="required" />
+        </xs:extension>
+      </xs:simpleContent>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Reference">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref="Citation" />
+        <xs:element minOccurs="0" maxOccurs="1" ref="ArticleIdList" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="ReferenceList">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="0" maxOccurs="1" ref="Title" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="Reference" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="ReferenceList" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="RefSource" type="xs:string" />
+  <xs:element name="RegistryNumber" type="xs:string" />
+  <xs:element name="ReportNumber" type="xs:string" />
+  <xs:element name="Season" type="xs:string" />
+  <xs:element name="Second" type="xs:string" />
+  <xs:element name="Section">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="0" maxOccurs="1" ref="LocationLabel" />
+        <xs:element ref="SectionTitle" />
+        <xs:element minOccurs="0" maxOccurs="unbounded" ref="Section" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Sections">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="1" maxOccurs="unbounded" ref="Section" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="SectionTitle">
+    <xs:complexType mixed="true">
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+        <xs:element ref="b" />
+        <xs:element ref="i" />
+        <xs:element ref="sup" />
+        <xs:element ref="sub" />
+        <xs:element ref="u" />
+      </xs:choice>
+      <xs:attribute name="book" type="xs:string" />
+      <xs:attribute name="part" type="xs:string" />
+      <xs:attribute name="sec" type="xs:string" />
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="SpaceFlightMission" type="xs:string" />
+  <xs:element name="StartPage" type="xs:string" />
+  <xs:element name="sub">
+    <xs:complexType mixed="true">
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+        <xs:element ref="b" />
+        <xs:element ref="i" />
+        <xs:element ref="sup" />
+        <xs:element ref="sub" />
+        <xs:element ref="u" />
+      </xs:choice>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Suffix">
+    <xs:complexType mixed="true">
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+        <xs:element ref="b" />
+        <xs:element ref="i" />
+        <xs:element ref="sup" />
+        <xs:element ref="sub" />
+        <xs:element ref="u" />
+      </xs:choice>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="sup">
+    <xs:complexType mixed="true">
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+        <xs:element ref="b" />
+        <xs:element ref="i" />
+        <xs:element ref="sup" />
+        <xs:element ref="sub" />
+        <xs:element ref="u" />
+      </xs:choice>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="SupplMeshList">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element minOccurs="1" maxOccurs="unbounded" ref="SupplMeshName" />
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="SupplMeshName">
+    <xs:complexType>
+      <xs:simpleContent>
+        <xs:extension base="xs:string">
+          <xs:attribute name="Type" use="required">
+            <xs:simpleType>
+              <xs:restriction base="xs:NMTOKEN">
+                <xs:enumeration value="Disease" />
+                <xs:enumeration value="Protocol" />
+                <xs:enumeration value="Organism" />
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="UI" type="xs:string" use="required" />
+        </xs:extension>
+      </xs:simpleContent>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Title" type="xs:string" />
+  <xs:element name="u">
+    <xs:complexType mixed="true">
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+        <xs:element ref="b" />
+        <xs:element ref="i" />
+        <xs:element ref="sup" />
+        <xs:element ref="sub" />
+        <xs:element ref="u" />
+      </xs:choice>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="URL">
+    <xs:complexType>
+      <xs:simpleContent>
+        <xs:extension base="xs:string">
+          <xs:attribute name="lang">
+            <xs:simpleType>
+              <xs:restriction base="xs:NMTOKEN">
+                <xs:enumeration value="AF" />
+                <xs:enumeration value="AR" />
+                <xs:enumeration value="AZ" />
+                <xs:enumeration value="BG" />
+                <xs:enumeration value="CS" />
+                <xs:enumeration value="DA" />
+                <xs:enumeration value="DE" />
+                <xs:enumeration value="EN" />
+                <xs:enumeration value="EL" />
+                <xs:enumeration value="ES" />
+                <xs:enumeration value="FA" />
+                <xs:enumeration value="FI" />
+                <xs:enumeration value="FR" />
+                <xs:enumeration value="HE" />
+                <xs:enumeration value="HU" />
+                <xs:enumeration value="HY" />
+                <xs:enumeration value="IN" />
+                <xs:enumeration value="IS" />
+                <xs:enumeration value="IT" />
+                <xs:enumeration value="IW" />
+                <xs:enumeration value="JA" />
+                <xs:enumeration value="KA" />
+                <xs:enumeration value="KO" />
+                <xs:enumeration value="LT" />
+                <xs:enumeration value="MK" />
+                <xs:enumeration value="ML" />
+                <xs:enumeration value="NL" />
+                <xs:enumeration value="NO" />
+                <xs:enumeration value="PL" />
+                <xs:enumeration value="PT" />
+                <xs:enumeration value="PS" />
+                <xs:enumeration value="RO" />
+                <xs:enumeration value="RU" />
+                <xs:enumeration value="SL" />
+                <xs:enumeration value="SK" />
+                <xs:enumeration value="SQ" />
+                <xs:enumeration value="SR" />
+                <xs:enumeration value="SV" />
+                <xs:enumeration value="SW" />
+                <xs:enumeration value="TH" />
+                <xs:enumeration value="TR" />
+                <xs:enumeration value="UK" />
+                <xs:enumeration value="VI" />
+                <xs:enumeration value="ZH" />
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="Type">
+            <xs:simpleType>
+              <xs:restriction base="xs:NMTOKEN">
+                <xs:enumeration value="FullText" />
+                <xs:enumeration value="Summary" />
+                <xs:enumeration value="fulltext" />
+                <xs:enumeration value="summary" />
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+        </xs:extension>
+      </xs:simpleContent>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="VernacularTitle">
+    <xs:complexType mixed="true">
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+        <xs:element ref="b" />
+        <xs:element ref="i" />
+        <xs:element ref="sup" />
+        <xs:element ref="sub" />
+        <xs:element ref="u" />
+      <!--  <xs:element ref="mml:math" /> -->
+      </xs:choice>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Volume" type="xs:string" />
+  <xs:element name="VolumeTitle">
+    <xs:complexType mixed="true">
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+        <xs:element ref="b" />
+        <xs:element ref="i" />
+        <xs:element ref="sup" />
+        <xs:element ref="sub" />
+        <xs:element ref="u" />
+      </xs:choice>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="Year" type="xs:string" />
+</xs:schema>