<schema  xmlns='http://www.w3.org/2001/XMLSchema'  xmlns:t='http://www.w3.org/namespace/'>  <notation name='CGM-CHAR' public="ISO 8632/2//NOTATION Character encoding//EN"/>  <notation name='CGM-BINARY' public="ISO 8632/3//NOTATION Binary encoding//EN"/>  <notation name='CGM-CLEAR' public="ISO 8632/4//NOTATION Clear text encoding//EN"/>  <notation name='EPS' public="+//ISBN 0-201-18127-4::Adobe//NOTATION PostScript Language Ref. Manual//EN"/>  <notation name='FAX' public="-//USA-DOD//NOTATION CCITT Group 4 Facsimile Type 1 Untiled Raster//EN"/>  <notation name='IGES' public="-//USA-DOD//NOTATION (ASME/ANSI Y14.26M-1987) Initial Graphics Exchange Specification//EN"/>  <notation name='PCX' public="+//ISBN 0-7923-9432-1::Graphic Notation//NOTATION ZSoft PCX bitmap//EN"/>  <notation name='SGML' public="ISO 8879:1986//NOTATION Standard Generalized Markup Language//EN"/>  <notation name='TEX' public="+//ISBN 0-201-13448-9::Knuth//NOTATION The TeXbook//EN"/>  <notation name='WMF' public="+//ISBN 0-7923-9432-1::Graphic Notation//NOTATION Microsoft Windows Metafile//EN"/> <element name='title'>  <annotation>   <documentation>    The text of the title of a section of a document or of a formal block-level element   </documentation>  </annotation>  <complexType mixed='true'>   <choice minOccurs='0' maxOccurs='unbounded'>    <element ref='t:footnoteref'/>    <element ref='t:xref'/>    <element ref='t:abbrev'/>    <element ref='t:acronym'/>    <element ref='t:citetitle'/>    <element ref='t:emphasis'/>    <element ref='t:footnote'/>    <element ref='t:phrase'/>    <element ref='t:quote'/>    <element ref='t:trademark'/>    <element ref='t:link'/>    <element ref='t:ulink'/>    <element ref='t:command'/>    <element ref='t:computeroutput'/>    <element ref='t:email'/>    <element ref='t:filename'/>    <element ref='t:literal'/>    <element ref='t:option'/>    <element ref='t:replaceable'/>    <element ref='t:systemitem'/>    <element ref='t:userinput'/>    <element ref='t:author'/>    <element ref='t:corpauthor'/>    <element ref='t:othercredit'/>    <element ref='t:revhistory'/>    <element ref='t:inlinemediaobject'/>   </choice>   <attribute name='pagenum' type='string' use='optional'/>   <attribute name='id' type='ID' use='optional'/>   <attribute name='lang' type='string' use='optional'/>   <attribute name='revisionflag' use='optional'>    <simpleType>     <restriction base='string'>      <enumeration 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<element ref='t:replaceable'/>    <element ref='t:systemitem'/>    <element ref='t:userinput'/>    <element ref='t:author'/>    <element ref='t:corpauthor'/>    <element ref='t:othercredit'/>    <element ref='t:revhistory'/>    <element ref='t:inlinemediaobject'/>   </choice>   <attribute name='id' type='ID' use='optional'/>   <attribute name='lang' type='string' use='optional'/>   <attribute name='revisionflag' use='optional'>    <simpleType>     <restriction base='string'>      <enumeration value='changed'/>      <enumeration value='added'/>      <enumeration value='deleted'/>      <enumeration value='off'/>     </restriction>    </simpleType>   </attribute>   <attribute name='role' type='string' use='optional'/>  </complexType> </element> <element name='subtitle'>  <annotation>   <documentation>    The subtitle of a document   </documentation>  </annotation>  <complexType mixed='true'>   <choice minOccurs='0' maxOccurs='unbounded'>    <element ref='t:footnoteref'/>    <element 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use='optional'>    <simpleType>     <restriction base='string'>      <enumeration value='changed'/>      <enumeration value='added'/>      <enumeration value='deleted'/>      <enumeration value='off'/>     </restriction>    </simpleType>   </attribute>   <attribute name='role' type='string' use='optional'/>  </complexType> </element> <element name='subjectset'>  <annotation>   <documentation>    A set of terms describing the subject matter of a document   </documentation>  </annotation>  <complexType>   <sequence>    <element ref='t:subject' maxOccurs='unbounded'/>   </sequence>   <attribute name='scheme' type='NMTOKEN' use='optional'/>   <attribute name='id' type='ID' use='optional'/>   <attribute name='lang' type='string' use='optional'/>   <attribute name='revisionflag' use='optional'>    <simpleType>     <restriction base='string'>      <enumeration value='changed'/>      <enumeration value='added'/>      <enumeration value='deleted'/>      <enumeration value='off'/>     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group of terms describing the subject matter of a document   </documentation>  </annotation>  <complexType mixed='true'>   <attribute name='id' type='ID' use='optional'/>   <attribute name='lang' type='string' use='optional'/>   <attribute name='revisionflag' use='optional'>    <simpleType>     <restriction base='string'>      <enumeration value='changed'/>      <enumeration value='added'/>      <enumeration value='deleted'/>      <enumeration value='off'/>     </restriction>    </simpleType>   </attribute>   <attribute name='role' type='string' use='optional'/>  </complexType> </element> <element name='keywordset'>  <annotation>   <documentation>    A set of keywords describing the content of a document   </documentation>  </annotation>  <complexType>   <sequence>    <element ref='t:keyword' maxOccurs='unbounded'/>   </sequence>   <attribute name='id' type='ID' use='optional'/>   <attribute name='lang' type='string' use='optional'/>   <attribute name='revisionflag' use='optional'>    <simpleType>     <restriction base='string'>      <enumeration value='changed'/>      <enumeration value='added'/>      <enumeration value='deleted'/>      <enumeration value='off'/>     </restriction>    </simpleType>   </attribute>   <attribute name='role' type='string' use='optional'/>  </complexType> </element> <element name='keyword'>  <annotation>   <documentation>    One of a set of keywords describing the content of a document   </documentation>  </annotation>  <complexType mixed='true'>   <attribute name='id' type='ID' use='optional'/>   <attribute name='lang' type='string' use='optional'/>   <attribute name='revisionflag' use='optional'>    <simpleType>     <restriction base='string'>      <enumeration value='changed'/>      <enumeration value='added'/>      <enumeration value='deleted'/>      <enumeration value='off'/>     </restriction>    </simpleType>   </attribute>   <attribute name='role' type='string' use='optional'/>  </complexType> </element> <element name='abstract'>  <annotation>   <documentation>    A summary   </documentation>  </annotation>  <complexType>   <sequence>    <element ref='t:title' minOccurs='0' maxOccurs='1'/>    <sequence maxOccurs='unbounded'>     <element ref='t:para'/>    </sequence>   </sequence>   <attribute name='id' type='ID' use='optional'/>   <attribute name='lang' type='string' use='optional'/>   <attribute name='revisionflag' use='optional'>    <simpleType>