| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309 | <?xml version='1.0'?><?xml-stylesheet href="../2008/09/xsd.xsl" type="text/xsl"?><xs:schema targetNamespace="http://www.w3.org/XML/1998/namespace"   xmlns:xs="http://www.w3.org/2001/XMLSchema"   xmlns ="http://www.w3.org/1999/xhtml"  xml:lang="en"> <xs:annotation>  <xs:documentation>   <div>    <h1>About the XML namespace</h1>    <div class="bodytext">     <p>      This schema document describes the XML namespace, in a form      suitable for import by other schema documents.     </p>     <p>      See <a href="http://www.w3.org/XML/1998/namespace.html">      http://www.w3.org/XML/1998/namespace.html</a> and      <a href="http://www.w3.org/TR/REC-xml">      http://www.w3.org/TR/REC-xml</a> for information       about this namespace.     </p>     <p>      Note that local names in this namespace are intended to be      defined only by the World Wide Web Consortium or its subgroups.      The names currently defined in this namespace are listed below.      They should not be used with conflicting semantics by any Working      Group, specification, or document instance.     </p>     <p>         See further below in this document for more information about <a      href="#usage">how to refer to this schema document from your own      XSD schema documents</a> and about <a href="#nsversioning">the      namespace-versioning policy governing this schema document</a>.     </p>    </div>   </div>  </xs:documentation> </xs:annotation> <xs:attribute name="lang">  <xs:annotation>   <xs:documentation>    <div>           <h3>lang (as an attribute name)</h3>      <p>       denotes an attribute whose value       is a language code for the natural language of the content of       any element; its value is inherited.  This name is reserved       by virtue of its definition in the XML specification.</p>         </div>    <div>     <h4>Notes</h4>     <p>      Attempting to install the relevant ISO 2- and 3-letter      codes as the enumerated possible values is probably never      going to be a realistic possibility.       </p>     <p>      See BCP 47 at <a href="http://www.rfc-editor.org/rfc/bcp/bcp47.txt">       http://www.rfc-editor.org/rfc/bcp/bcp47.txt</a>      and the IANA language subtag registry at      <a href="http://www.iana.org/assignments/language-subtag-registry">       http://www.iana.org/assignments/language-subtag-registry</a>      for further information.     </p>     <p>      The union allows for the 'un-declaration' of xml:lang with      the empty string.     </p>    </div>   </xs:documentation>  </xs:annotation>  <xs:simpleType>   <xs:union memberTypes="xs:language">    <xs:simpleType>         <xs:restriction base="xs:string">      <xs:enumeration value=""/>     </xs:restriction>    </xs:simpleType>   </xs:union>  </xs:simpleType> </xs:attribute> <xs:attribute name="space">  <xs:annotation>   <xs:documentation>    <div>           <h3>space (as an attribute name)</h3>      <p>       denotes an attribute whose       value is a keyword indicating what whitespace processing       discipline is intended for the content of the element; its       value is inherited.  This name is reserved by virtue of its       definition in the XML specification.</p>         </div>   </xs:documentation>  </xs:annotation>  <xs:simpleType>   <xs:restriction base="xs:NCName">    <xs:enumeration value="default"/>    <xs:enumeration value="preserve"/>   </xs:restriction>  </xs:simpleType> </xs:attribute>  <xs:attribute name="base" type="xs:anyURI"> <xs:annotation>   <xs:documentation>    <div>           <h3>base (as an attribute name)</h3>      <p>       denotes an attribute whose value       provides a URI to be used as the base for interpreting any       relative URIs in the scope of the element on which it       appears; its value is inherited.  This name is reserved       by virtue of its definition in the XML Base specification.</p>          <p>      See <a      href="http://www.w3.org/TR/xmlbase/">http://www.w3.org/TR/xmlbase/</a>      for information about this attribute.     </p>    </div>   </xs:documentation>  </xs:annotation> </xs:attribute>  <xs:attribute name="id" type="xs:ID">  <xs:annotation>   <xs:documentation>    <div>           <h3>id (as an attribute name)</h3>       <p>       denotes an attribute whose value       should be interpreted as if declared to be of type ID.       This name is reserved by virtue of its definition in the       xml:id specification.</p>          <p>      See <a      href="http://www.w3.org/TR/xml-id/">http://www.w3.org/TR/xml-id/</a>      for information about this attribute.     </p>    </div>   </xs:documentation>  </xs:annotation> </xs:attribute> <xs:attributeGroup name="specialAttrs">  <xs:attribute ref="xml:base"/>  <xs:attribute ref="xml:lang"/>  <xs:attribute ref="xml:space"/>  <xs:attribute ref="xml:id"/> </xs:attributeGroup> <xs:annotation>  <xs:documentation>   <div>       <h3>Father (in any context at all)</h3>     <div class="bodytext">     <p>      denotes Jon Bosak, the chair of       the original XML Working Group.  This name is reserved by       the following decision of the W3C XML Plenary and       XML Coordination groups:     </p>     <blockquote>       <p>	In appreciation for his vision, leadership and	dedication the W3C XML Plenary on this 10th day of	February, 2000, reserves for Jon Bosak in perpetuity	the XML name "xml:Father".       </p>     </blockquote>    </div>   </div>  </xs:documentation> </xs:annotation> <xs:annotation>  <xs:documentation>   <div xml:id="usage" id="usage">    <h2><a name="usage">About this schema document</a></h2>    <div class="bodytext">     <p>      This schema defines attributes and an attribute group suitable      for use by schemas wishing to allow <code>xml:base</code>,      <code>xml:lang</code>, <code>xml:space</code> or      <code>xml:id</code> attributes on elements they define.     </p>     <p>      To enable this, such a schema must import this schema for      the XML namespace, e.g. as follows:     </p>     <pre>          <schema.. .>          .. .           <import namespace="http://www.w3.org/XML/1998/namespace"                      schemaLocation="http://www.w3.org/2001/xml.xsd"/>     </pre>     <p>      or     </p>     <pre>           <import namespace="http://www.w3.org/XML/1998/namespace"                      schemaLocation="http://www.w3.org/2009/01/xml.xsd"/>     </pre>     <p>      Subsequently, qualified reference to any of the attributes or the      group defined below will have the desired effect, e.g.     </p>     <pre>          <type.. .>          .. .           <attributeGroup ref="xml:specialAttrs"/>     </pre>     <p>      will define a type which will schema-validate an instance element      with any of those attributes.     </p>    </div>   </div>  </xs:documentation> </xs:annotation> <xs:annotation>  <xs:documentation>   <div id="nsversioning" xml:id="nsversioning">    <h2><a name="nsversioning">Versioning policy for this schema document</a></h2>    <div class="bodytext">     <p>      In keeping with the XML Schema WG's standard versioning      policy, this schema document will persist at      <a href="http://www.w3.org/2009/01/xml.xsd">       http://www.w3.org/2009/01/xml.xsd</a>.     </p>     <p>      At the date of issue it can also be found at      <a href="http://www.w3.org/2001/xml.xsd">       http://www.w3.org/2001/xml.xsd</a>.     </p>     <p>      The schema document at that URI may however change in the future,      in order to remain compatible with the latest version of XML      Schema itself, or with the XML namespace itself.  In other words,      if the XML Schema or XML namespaces change, the version of this      document at <a href="http://www.w3.org/2001/xml.xsd">       http://www.w3.org/2001/xml.xsd       </a>       will change accordingly; the version at       <a href="http://www.w3.org/2009/01/xml.xsd">       http://www.w3.org/2009/01/xml.xsd       </a>       will not change.     </p>     <p>      Previous dated (and unchanging) versions of this schema       document are at:     </p>     <ul>      <li><a href="http://www.w3.org/2009/01/xml.xsd">	http://www.w3.org/2009/01/xml.xsd</a></li>      <li><a href="http://www.w3.org/2007/08/xml.xsd">	http://www.w3.org/2007/08/xml.xsd</a></li>      <li><a href="http://www.w3.org/2004/10/xml.xsd">	http://www.w3.org/2004/10/xml.xsd</a></li>      <li><a href="http://www.w3.org/2001/03/xml.xsd">	http://www.w3.org/2001/03/xml.xsd</a></li>     </ul>    </div>   </div>  </xs:documentation> </xs:annotation></xs:schema>
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