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<?xml version="1.0" encoding="utf-8"?>
<xs:schema xmlns:atom="http://www.w3.org/2005/Atom" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xml="http://www.w3.org/XML/1998/namespace" targetNamespace="http://www.w3.org/2005/Atom" elementFormDefault="qualified" attributeFormDefault="unqualified">
<xs:annotation>
<xs:documentation>
This version of the Atom schema is based on version 1.0 of the format specifications,
found here http://www.atomenabled.org/developers/syndication/atom-format-spec.php.
</xs:documentation>
</xs:annotation>
<xs:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="oadr_xml.xsd"/>
<xs:annotation>
<xs:documentation>
An Atom document may have two root elements, feed and entry, as defined in section 2.
</xs:documentation>
</xs:annotation>
<xs:element name="feed" type="atom:feedType"/>
<xs:element name="entry" type="atom:entryType"/>
<xs:complexType name="textType" mixed="true">
<xs:annotation>
<xs:documentation>
The Atom text construct is defined in section 3.1 of the format spec.
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:any namespace="http://www.w3.org/1999/xhtml" minOccurs="0"/>
</xs:sequence>
<xs:attribute name="type">
<xs:simpleType>
<xs:restriction base="xs:token">
<xs:enumeration value="text"/>
<xs:enumeration value="html"/>
<xs:enumeration value="xhtml"/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
<xs:attributeGroup ref="atom:commonAttributes"/>
</xs:complexType>
<xs:complexType name="personType">
<xs:annotation>
<xs:documentation>
The Atom person construct is defined in section 3.2 of the format spec.
</xs:documentation>
</xs:annotation>
<xs:choice maxOccurs="unbounded">
<xs:element name="name" type="xs:string"/>
<xs:element name="uri" type="atom:uriType" minOccurs="0"/>
<xs:element name="email" type="atom:emailType" minOccurs="0"/>
<xs:any namespace="##other"/>
</xs:choice>
<xs:attributeGroup ref="atom:commonAttributes"/>
</xs:complexType>
<xs:simpleType name="emailType">
<xs:annotation>
<xs:documentation>
Schema definition for an email address.
</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:normalizedString">
<xs:pattern value="\w+@(\w+\.)+\w+"/>
</xs:restriction>
</xs:simpleType>
<xs:complexType name="feedType">
<xs:annotation>
<xs:documentation>
The Atom feed construct is defined in section 4.1.1 of the format spec.
</xs:documentation>
</xs:annotation>
<xs:choice minOccurs="3" maxOccurs="unbounded">
<xs:element name="author" type="atom:personType" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="category" type="atom:categoryType" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="contributor" type="atom:personType" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="generator" type="atom:generatorType" minOccurs="0"/>
<xs:element name="icon" type="atom:iconType" minOccurs="0"/>
<xs:element name="id" type="atom:idType"/>
<xs:element name="link" type="atom:linkType" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="logo" type="atom:logoType" minOccurs="0"/>
<xs:element name="rights" type="atom:textType" minOccurs="0"/>
<xs:element name="subtitle" type="atom:textType" minOccurs="0"/>
<xs:element name="title" type="atom:textType"/>
<xs:element name="updated" type="atom:dateTimeType"/>
<xs:element name="entry" type="atom:entryType" minOccurs="0" maxOccurs="unbounded"/>
<xs:any namespace="##other" minOccurs="0" maxOccurs="unbounded"/>
</xs:choice>
<xs:attributeGroup ref="atom:commonAttributes"/>
</xs:complexType>
<xs:complexType name="entryType">
<xs:annotation>
<xs:documentation>
The Atom entry construct is defined in section 4.1.2 of the format spec.
</xs:documentation>
</xs:annotation>
<xs:choice maxOccurs="unbounded">
<xs:element name="author" type="atom:personType" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="category" type="atom:categoryType" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="content" type="atom:contentType" minOccurs="0"/>
<xs:element name="contributor" type="atom:personType" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="id" type="atom:idType"/>
<xs:element name="link" type="atom:linkType" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="published" type="atom:dateTimeType" minOccurs="0"/>
<xs:element name="rights" type="atom:textType" minOccurs="0"/>
<xs:element name="source" type="atom:textType" minOccurs="0"/>
<xs:element name="summary" type="atom:textType" minOccurs="0"/>
<xs:element name="title" type="atom:textType"/>
<xs:element name="updated" type="atom:dateTimeType"/>
<xs:any namespace="##other" minOccurs="0" maxOccurs="unbounded"/>
</xs:choice>
<xs:attributeGroup ref="atom:commonAttributes"/>
</xs:complexType>
<xs:complexType name="contentType" mixed="true">
<xs:annotation>
<xs:documentation>
The Atom content construct is defined in section 4.1.3 of the format spec.
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:any namespace="##other" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="type" type="xs:string"/>
<xs:attribute name="src" type="xs:anyURI"/>
<xs:attributeGroup ref="atom:commonAttributes"/>
</xs:complexType>
<xs:complexType name="categoryType">
<xs:annotation>
<xs:documentation>
The Atom category construct is defined in section 4.2.2 of the format spec.
</xs:documentation>
</xs:annotation>
<xs:attribute name="term" type="xs:string" use="required"/>
<xs:attribute name="scheme" type="xs:anyURI" use="optional"/>
<xs:attribute name="label" type="xs:string" use="optional"/>
<xs:attributeGroup ref="atom:commonAttributes"/>
</xs:complexType>
<xs:complexType name="generatorType">
<xs:annotation>
<xs:documentation>
The Atom generator element is defined in section 4.2.4 of the format spec.
</xs:documentation>
</xs:annotation>
<xs:simpleContent>
<xs:extension base="xs:string">
<xs:attribute name="uri" type="xs:anyURI" use="optional"/>
<xs:attribute name="version" type="xs:string" use="optional"/>
<xs:attributeGroup ref="atom:commonAttributes"/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
<xs:complexType name="iconType">
<xs:annotation>
<xs:documentation>
The Atom icon construct is defined in section 4.2.5 of the format spec.
</xs:documentation>
</xs:annotation>
<xs:simpleContent>
<xs:extension base="xs:anyURI">
<xs:attributeGroup ref="atom:commonAttributes"/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
<xs:complexType name="idType">
<xs:annotation>
<xs:documentation>
The Atom id construct is defined in section 4.2.6 of the format spec.
</xs:documentation>
</xs:annotation>
<xs:simpleContent>
<xs:extension base="xs:anyURI">
<xs:attributeGroup ref="atom:commonAttributes"/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
<xs:complexType name="linkType" mixed="true">
<xs:annotation>
<xs:documentation>
The Atom link construct is defined in section 3.4 of the format spec.
</xs:documentation>
</xs:annotation>
<xs:attribute name="href" type="xs:anyURI" use="required"/>
<xs:attribute name="rel" type="xs:string" use="optional"/>
<xs:attribute name="type" type="xs:string" use="optional"/>
<xs:attribute name="hreflang" type="xs:NMTOKEN" use="optional"/>
<xs:attribute name="title" type="xs:string" use="optional"/>
<xs:attribute name="length" type="xs:positiveInteger" use="optional"/>
<xs:attributeGroup ref="atom:commonAttributes"/>
</xs:complexType>
<xs:complexType name="logoType">
<xs:annotation>
<xs:documentation>
The Atom logo construct is defined in section 4.2.8 of the format spec.
</xs:documentation>
</xs:annotation>
<xs:simpleContent>
<xs:extension base="xs:anyURI">
<xs:attributeGroup ref="atom:commonAttributes"/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
<xs:complexType name="sourceType">
<xs:annotation>
<xs:documentation>
The Atom source construct is defined in section 4.2.11 of the format spec.
</xs:documentation>
</xs:annotation>
<xs:choice maxOccurs="unbounded">
<xs:element name="author" type="atom:personType" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="category" type="atom:categoryType" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="contributor" type="atom:personType" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="generator" type="atom:generatorType" minOccurs="0"/>
<xs:element name="icon" type="atom:iconType" minOccurs="0"/>
<xs:element name="id" type="atom:idType" minOccurs="0"/>
<xs:element name="link" type="atom:linkType" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="logo" type="atom:logoType" minOccurs="0"/>
<xs:element name="rights" type="atom:textType" minOccurs="0"/>
<xs:element name="subtitle" type="atom:textType" minOccurs="0"/>
<xs:element name="title" type="atom:textType" minOccurs="0"/>
<xs:element name="updated" type="atom:dateTimeType" minOccurs="0"/>
<xs:any namespace="##other" minOccurs="0" maxOccurs="unbounded"/>
</xs:choice>
<xs:attributeGroup ref="atom:commonAttributes"/>
</xs:complexType>
<xs:complexType name="uriType">
<xs:simpleContent>
<xs:extension base="xs:anyURI">
<xs:attributeGroup ref="atom:commonAttributes"/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
<xs:complexType name="dateTimeType">
<xs:simpleContent>
<xs:extension base="xs:dateTime">
<xs:attributeGroup ref="atom:commonAttributes"/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
<xs:attributeGroup name="commonAttributes">
<xs:attribute ref="xml:base"/>
<xs:attribute ref="xml:lang"/>
<xs:anyAttribute namespace="##other"/>
</xs:attributeGroup>
</xs:schema>
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