<?xml version="1.0"?>
<!-- edited with XML Spy v4.0 U beta 3 build Aug 24 2001 (http://www.xmlspy.com)
by Micah Dubinko (W3C XForms Working Group) -->
<xsd:schema targetNamespace="http://www.w3.org/2001/08/xforms"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:xform="http://www.w3.org/2001/08/xforms"
xmlns:xml="http://www.w3.org/XML/1998/namespace"
elementFormDefault="qualified">
<xsd:import namespace="http://www.w3.org/XML/1998/namespace"
schemaLocation="http://www.w3.org/2001/xml.xsd">
<xsd:annotation>
<xsd:documentation>Get access to xml:lang and friends</xsd:documentation>
</xsd:annotation>
</xsd:import>
<!--
structural elements
-->
<xsd:attributeGroup name="horzAttrs">
<xsd:annotation>
<xsd:documentation>Attributes for _every_ element in XForms</xsd:documentation>
</xsd:annotation>
<xsd:attribute name="id" type="xsd:ID"/>
<xsd:anyAttribute namespace="##other"/>
</xsd:attributeGroup>
<xsd:element name="xform">
<xsd:complexType>
<xsd:all>
<xsd:element ref="xform:submitInfo" minOccurs="0"/>
<xsd:element ref="xform:privacy" minOccurs="0"/>
<xsd:element ref="xform:model" minOccurs="0"/>
<xsd:element ref="xform:instance" minOccurs="0"/>
<xsd:element ref="xform:bindings" minOccurs="0"/>
<xsd:element ref="xform:action" minOccurs="0"/>
<xsd:element ref="xform:extension" minOccurs="0"/>
</xsd:all>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attributeGroup ref="xform:linkingAttributes"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="model">
<xsd:annotation>
<xsd:documentation>Definition of model container.</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attributeGroup ref="xform:linkingAttributes"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="instance">
<xsd:annotation>
<xsd:documentation>Definition of instance container.</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:sequence>
<xsd:any namespace="##any" maxOccurs="unbounded"/>
</xsd:sequence>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attributeGroup ref="xform:linkingAttributes"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="privacy">
<xsd:annotation>
<xsd:documentation>Definition of the privacy reference.</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attributeGroup ref="xform:linkingAttributes"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="bindings">
<xsd:annotation>
<xsd:documentation>Definition of the bindings container</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:sequence maxOccurs="unbounded">
<xsd:element ref="xform:bind"/>
</xsd:sequence>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="submitInfo">
<xsd:annotation>
<xsd:documentation>Definition of submit info container.</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attribute name="action" type="xsd:anyURI" use="optional"/>
<xsd:attribute name="encType" type="xsd:string" use="optional"/>
<xsd:attribute name="method" type="xsd:string" use="optional"/>
<xsd:attribute name="version" type="xsd:NMTOKEN" use="optional"/>
<xsd:attribute name="indent" type="xsd:boolean" use="optional"/>
<xsd:attribute name="encoding" type="xsd:string" use="optional"/>
<xsd:attribute name="mediaType" type="xsd:string" use="optional"/>
<xsd:attribute name="omitXMLDeclaration" type="xsd:boolean" use="optional"/>
<xsd:attribute name="standalone" type="xsd:boolean" use="optional"/>
<xsd:attribute name="CDATASectionElements" type="xform:QNameList" use="optional"/>
</xsd:complexType>
</xsd:element>
<xsd:attributeGroup name="linkingAttributes">
<xsd:attribute name="href" type="xsd:anyURI"/>
</xsd:attributeGroup>
<xsd:element name="bind">
<xsd:annotation>
<xsd:documentation>Definition of bind container.</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attribute name="ref" type="xsd:string" use="optional"/>
<xsd:attribute name="type" type="xsd:QName" use="optional"/>
<xsd:attribute name="readOnly" type="xsd:string" use="optional"/>
<xsd:attribute name="required" type="xsd:string" use="optional"/>
<xsd:attribute name="relevant" type="xsd:string" use="optional"/>
<xsd:attribute name="isValid" type="xsd:string" use="optional"/>
<xsd:attribute name="calculate" type="xsd:string" use="optional"/>
<xsd:attribute name="maxOccurs" type="xform:numberOrUnbounded" use="optional"/>
<xsd:attribute name="minOccurs" type="xsd:nonNegativeInteger" use="optional"/>
</xsd:complexType>
</xsd:element>
<!--
User Interface form controls
-->
<xsd:group name="formControls">
<xsd:choice>
<xsd:element ref="xform:input"/>
<xsd:element ref="xform:textarea"/>
<xsd:element ref="xform:secret"/>
<xsd:element ref="xform:output"/>
<xsd:element ref="xform:upload"/>
<xsd:element ref="xform:selectOne"/>
<xsd:element ref="xform:selectMany"/>
<xsd:element ref="xform:selectBoolean"/>
<xsd:element ref="xform:range"/>
<xsd:element ref="xform:submit"/>
<xsd:element ref="xform:button"/>
</xsd:choice>
</xsd:group>
<xsd:attributeGroup name="bindFirstAttributes">
<xsd:attribute name="xform" type="xsd:IDREF" use="optional"/>
<xsd:attribute name="ref" type="xsd:string" use="optional"/>
<xsd:attribute name="bind" type="xsd:IDREF" use="optional"/>
</xsd:attributeGroup>
<xsd:attributeGroup name="bindAllAttributes">
<xsd:attribute name="xform" type="xsd:IDREF" use="optional"/>
<xsd:attribute name="nodeset" type="xsd:string" use="optional"/>
<xsd:attribute name="bind" type="xsd:IDREF" use="optional"/>
</xsd:attributeGroup>
<xsd:attributeGroup name="commonUIAttributes">
<xsd:attribute ref="xml:lang" type="xsd:language" use="optional"/>
<xsd:attribute name="class" type="xsd:string" use="optional"/>
<xsd:attribute name="accessKey" type="xsd:string" use="optional"/>
<xsd:attribute name="navIndex" type="xsd:nonNegativeInteger" use="optional"/>
</xsd:attributeGroup>
<xsd:element name="caption">
<xsd:complexType mixed="true">
<xsd:sequence>
<xsd:any namespace="##any"/>
</xsd:sequence>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attributeGroup ref="xform:commonUIAttributes"/>
<xsd:attributeGroup ref="xform:linkingAttributes"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="hint">
<xsd:complexType mixed="true">
<xsd:sequence>
<xsd:any namespace="##any"/>
</xsd:sequence>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attributeGroup ref="xform:commonUIAttributes"/>
<xsd:attributeGroup ref="xform:linkingAttributes"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="help">
<xsd:complexType mixed="true">
<xsd:sequence>
<xsd:any namespace="##any"/>
</xsd:sequence>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attributeGroup ref="xform:commonUIAttributes"/>
<xsd:attributeGroup ref="xform:linkingAttributes"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="alert">
<xsd:complexType mixed="false">
<xsd:group ref="xform:commonUIChildren"/>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attributeGroup ref="xform:commonUIAttributes"/>
<xsd:attributeGroup ref="xform:linkingAttributes"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="action">
<xsd:complexType>
<xsd:sequence maxOccurs="unbounded">
<xsd:group ref="xform:actionGroup"/>
</xsd:sequence>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attribute name="event" type="xsd:NCName" use="optional"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="extension">
<xsd:complexType>
<xsd:sequence>
<xsd:any namespace="##other"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:group name="choiceItemGroup">
<xsd:choice>
<xsd:element ref="xform:choices"/>
<xsd:element ref="xform:item"/>
<xsd:element ref="xform:itemref"/>
</xsd:choice>
</xsd:group>
<xsd:element name="choices">
<xsd:complexType>
<xsd:choice maxOccurs="unbounded">
<xsd:group ref="xform:choiceItemGroup"/>
</xsd:choice>
<xsd:attribute name="id" type="xsd:ID"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="item">
<xsd:complexType>
<xsd:sequence>
<xsd:group ref="xform:commonUIChildren"/>
</xsd:sequence>
<xsd:attribute name="id" type="xsd:ID"/>
<xsd:attribute name="value" type="xsd:string"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="itemref">
<xsd:complexType>
<xsd:sequence>
<xsd:group ref="xform:commonUIChildren"/>
</xsd:sequence>
<xsd:attribute name="id" type="xsd:ID"/>
<xsd:attribute name="ref" type="xsd:string"/>
</xsd:complexType>
</xsd:element>
<xsd:group name="commonUIChildren">
<xsd:all>
<xsd:element ref="xform:caption"/>
<xsd:element ref="xform:help" minOccurs="0"/>
<xsd:element ref="xform:hint" minOccurs="0"/>
<xsd:element ref="xform:alert" minOccurs="0"/>
<xsd:element ref="xform:action" minOccurs="0"/>
<xsd:element ref="xform:extension" minOccurs="0"/>
</xsd:all>
</xsd:group>
<xsd:element name="input">
<xsd:complexType>
<xsd:group ref="xform:commonUIChildren"/>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attributeGroup ref="xform:bindFirstAttributes"/>
<xsd:attributeGroup ref="xform:commonUIAttributes"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="textarea">
<xsd:complexType>
<xsd:group ref="xform:commonUIChildren"/>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attributeGroup ref="xform:bindFirstAttributes"/>
<xsd:attributeGroup ref="xform:commonUIAttributes"/>
<xsd:attributeGroup ref="xform:linkingAttributes"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="secret">
<xsd:complexType>
<xsd:group ref="xform:commonUIChildren"/>
<xsd:attribute name="id" type="xsd:ID"/>
<xsd:attributeGroup ref="xform:bindFirstAttributes"/>
<xsd:attributeGroup ref="xform:commonUIAttributes"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="upload">
<xsd:complexType>
<xsd:group ref="xform:commonUIChildren"/>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attributeGroup ref="xform:bindFirstAttributes"/>
<xsd:attributeGroup ref="xform:commonUIAttributes"/>
<xsd:attribute name="mediaType" type="xform:tokenList" use="optional"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="selectOne">
<xsd:complexType>
<xsd:sequence>
<xsd:group ref="xform:commonUIChildren"/>
<xsd:element ref="xform:choices"/>
</xsd:sequence>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attributeGroup ref="xform:bindFirstAttributes"/>
<xsd:attributeGroup ref="xform:commonUIAttributes"/>
<xsd:attribute name="selectUI" type="xform:selectUIType" use="optional"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="selectMany">
<xsd:complexType>
<xsd:sequence>
<xsd:group ref="xform:commonUIChildren"/>
<xsd:choice>
<xsd:element ref="xform:choices"/>
<xsd:element ref="xform:repeat"/>
</xsd:choice>
</xsd:sequence>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attributeGroup ref="xform:bindFirstAttributes"/>
<xsd:attributeGroup ref="xform:commonUIAttributes"/>
<xsd:attribute name="selectUI" type="xform:selectUIType" use="optional"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="selectBoolean">
<xsd:complexType>
<xsd:sequence>
<xsd:group ref="xform:commonUIChildren"/>
<xsd:element ref="xform:choices"/>
</xsd:sequence>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attributeGroup ref="xform:bindFirstAttributes"/>
<xsd:attributeGroup ref="xform:commonUIAttributes"/>
<xsd:attribute name="selectUI" type="xform:selectUIType" use="optional"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="range">
<xsd:complexType>
<xsd:group ref="xform:commonUIChildren"/>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attributeGroup ref="xform:bindFirstAttributes"/>
<xsd:attributeGroup ref="xform:commonUIAttributes"/>
<xsd:attribute name="start" type="xsd:string" use="required"/>
<xsd:attribute name="end" type="xsd:string" use="required"/>
<xsd:attribute name="stepSize" type="xsd:string" use="optional"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="button">
<xsd:complexType>
<xsd:group ref="xform:commonUIChildren"/>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attributeGroup ref="xform:bindFirstAttributes"/>
<xsd:attributeGroup ref="xform:commonUIAttributes"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="output">
<xsd:complexType>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attribute name="ref" type="xsd:string" use="optional"/>
<xsd:attribute name="xform" type="xsd:string" use="optional"/>
<xsd:attribute name="format" type="xsd:string" use="optional"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="submit">
<xsd:complexType>
<xsd:group ref="xform:commonUIChildren"/>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attributeGroup ref="xform:bindAllAttributes"/>
</xsd:complexType>
</xsd:element>
<!--
XForms Actions
-->
<xsd:group name="actionGroup">
<xsd:choice>
<xsd:element ref="xform:dispatch"/>
<xsd:element ref="xform:refresh"/>
<xsd:element ref="xform:revalidate"/>
<xsd:element ref="xform:recalculate"/>
<xsd:element ref="xform:setFocus"/>
<xsd:element ref="xform:setValue"/>
<xsd:element ref="xform:submitInstance"/>
<xsd:element ref="xform:resetInstance"/>
<xsd:element ref="xform:insert"/>
<xsd:element ref="xform:delete"/>
<xsd:element ref="xform:scroll"/>
<xsd:element ref="xform:setRepeatCursor"/>
<xsd:element ref="xform:toggle"/>
<xsd:element ref="xform:script"/>
</xsd:choice>
</xsd:group>
<xsd:element name="dispatch">
<xsd:complexType>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attribute name="event" type="xsd:NMTOKEN" use="required"/>
<xsd:attribute name="target" type="xsd:IDREF" use="required"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="refresh">
<xsd:complexType>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="recalculate">
<xsd:complexType>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="revalidate">
<xsd:complexType>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="setFocus">
<xsd:complexType>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attribute name="idref" type="xsd:IDREF" use="optional"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="setValue">
<xsd:complexType>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attributeGroup ref="xform:bindFirstAttributes"/>
<xsd:attribute name="value" type="xsd:string"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="submitInstance">
<xsd:complexType>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attributeGroup ref="xform:bindAllAttributes"/>
<xsd:attribute name="withResponse" type="xsd:string" default="replace"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="resetInstance">
<xsd:complexType>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attributeGroup ref="xform:bindAllAttributes"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="insert">
<xsd:complexType>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attribute name="repeat" type="xsd:IDREF" use="required"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="delete">
<xsd:complexType>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attribute name="repeat" type="xsd:IDREF" use="required"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="scroll">
<xsd:complexType>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attribute name="repeat" type="xsd:IDREF" use="required"/>
<xsd:attribute name="step" type="xsd:integer" use="optional"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="setRepeatCursor">
<xsd:complexType>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attribute name="repeat" type="xsd:IDREF" use="required"/>
<xsd:attribute name="cursor" type="xsd:string" use="required"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="toggle">
<xsd:complexType>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attribute name="switch" type="xsd:IDREF" use="required"/>
<xsd:attribute name="case" type="xsd:IDREF" use="required"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="script">
<xsd:complexType>
<xsd:attribute name="id" type="xsd:ID"/>
</xsd:complexType>
</xsd:element>
<!--
Advanced User Interface
-->
<xsd:element name="group">
<xsd:complexType>
<xsd:choice maxOccurs="unbounded">
<xsd:group ref="xform:formControls"/>
<xsd:element ref="xform:group"/>
<xsd:element ref="xform:repeat"/>
<xsd:element ref="xform:component"/>
<xsd:element ref="xform:switch"/>
<xsd:any namespace="##other"/>
</xsd:choice>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attributeGroup ref="xform:bindFirstAttributes"/>
<xsd:attributeGroup ref="xform:commonUIAttributes"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="switch">
<xsd:complexType>
<xsd:sequence maxOccurs="unbounded">
<xsd:element ref="xform:case"/>
</xsd:sequence>
<xsd:attribute name="id" type="xsd:ID" use="required"/>
<xsd:attributeGroup ref="xform:bindFirstAttributes"/>
<xsd:attributeGroup ref="xform:commonUIAttributes"/>
<xsd:attribute name="default" type="xsd:IDREF" use="optional"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="case">
<xsd:complexType>
<xsd:sequence maxOccurs="unbounded">
<xsd:any namespace="##any"/>
</xsd:sequence>
<xsd:attribute name="id" type="xsd:ID" use="required"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="repeat">
<xsd:complexType>
<xsd:sequence maxOccurs="unbounded">
<xsd:any namespace="##any"/>
</xsd:sequence>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attributeGroup ref="xform:bindAllAttributes"/>
<xsd:attributeGroup ref="xform:commonUIAttributes"/>
<xsd:attribute name="startIndex" type="xsd:positiveInteger" use="optional"/>
<xsd:attribute name="number" type="xsd:nonNegativeInteger" use="optional"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="defComponent">
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="xform:param" maxOccurs="unbounded"/>
<xsd:choice maxOccurs="unbounded">
<xsd:group ref="xform:formControls"/>
<xsd:element ref="xform:group"/>
<xsd:element ref="xform:repeat"/>
<xsd:element ref="xform:component"/>
<xsd:element ref="xform:switch"/>
</xsd:choice>
</xsd:sequence>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="param">
<xsd:complexType>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attribute name="name" type="xsd:NMTOKEN" use="required"/>
<xsd:attribute name="value" type="xsd:string" use="optional"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="valueOf">
<xsd:complexType>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attribute name="select" type="xsd:string"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="component">
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="xform:param" maxOccurs="unbounded"/>
</xsd:sequence>
<xsd:attribute name="id" type="xsd:ID" use="optional"/>
<xsd:attributeGroup ref="xform:bindFirstAttributes"/>
<xsd:attributeGroup ref="xform:commonUIAttributes"/>
<xsd:attribute name="component" type="xsd:IDREF" use="required"/>
</xsd:complexType>
</xsd:element>
<!--
New simpleTypes
-->
<xsd:simpleType name="QNameList">
<xsd:list itemType="xsd:QName"/>
</xsd:simpleType>
<xsd:simpleType name="tokenList">
<xsd:list itemType="xsd:token"/>
</xsd:simpleType>
<xsd:simpleType name="selectUIType">
<xsd:restriction base="xsd:string">
<xsd:enumeration value="radioGroup"/>
<xsd:enumeration value="checkboxGroup"/>
<xsd:enumeration value="pulldown"/>
<xsd:enumeration value="listbox"/>
<xsd:enumeration value="combo"/>
</xsd:restriction>
</xsd:simpleType>
<xsd:simpleType name="numberOrUnbounded">
<xsd:union memberTypes="xsd:nonNegativeInteger">
<xsd:simpleType>
<xsd:restriction base="xsd:string">
<xsd:enumeration value="unbounded"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:union>
</xsd:simpleType>
</xsd:schema>