<back>

<back> (back matter) contains any appendixes, etc. following the main part of a text. [4.7 Back Matter 4 Default Text Structure]
Module textstructure — Default Text Structure
Attributes att.global (@xml:id, @n, @xml:lang, @xml:base, @xml:space) (att.global.rendition (@rend, @style, @rendition)) (att.global.linking (@corresp, @synch, @sameAs, @copyOf, @next, @prev, @exclude, @select)) (att.global.analytic (@ana)) (att.global.facs (@facs)) (att.global.change (@change)) (att.global.responsibility (@cert, @resp)) (att.global.source (@source)) att.declaring (@decls)
Contained by
textstructure: floatingText text
transcr: facsimile
May contain
analysis: interp interpGrp span spanGrp
certainty: certainty precision respons
core: cb divGen ellipsis gap gb head index lb list listBibl milestone note noteGrp p pb
drama: castList epilogue performance prologue set
figures: figure notatedMusic table
iso-fs: fLib fs fvLib
linking: ab alt altGrp anchor join joinGrp link linkGrp timeline
namesdates: listEvent listNym listObject listOrg listPerson listPlace listRelation
spoken: incident kinesic pause shift vocal writing
tagdocs: schemaSpec
textcrit: app listApp listWit witDetail
textstructure: argument byline closer dateline div div1 docAuthor docDate docEdition docImprint docTitle epigraph postscript signed titlePage titlePart trailer
transcr: addSpan damageSpan delSpan fw listTranspose metamark space substJoin
Note

Because cultural conventions differ as to which elements are grouped as back matter and which as front matter, the content models for the back and front elements are identical.
Example
<back>
 <div type="appendix">
  <head>The Golden Dream or, the Ingenuous Confession</head>
  <p>TO shew the Depravity of human Nature, and how apt the Mind is to be misled by Trinkets
     and false Appearances, Mrs. Two-Shoes does acknowledge, that after she became rich, she
     had like to have been, too fond of Money
<!-- .... -->
  </p>
 </div>
<!-- ... -->
 <div type="epistle">
  <head>A letter from the Printer, which he desires may be inserted</head>
  <salute>Sir.</salute>
  <p>I have done with your Copy, so you may return it to the Vatican, if you please;
  
<!-- ... -->
  </p>
 </div>
 <div type="advert">
  <head>The Books usually read by the Scholars of Mrs Two-Shoes are these and are sold at Mr
     Newbery's at the Bible and Sun in St Paul's Church-yard.</head>
  <list>
   <item n="1">The Christmas Box, Price 1d.</item>
   <item n="2">The History of Giles Gingerbread, 1d.</item>
<!-- ... -->
   <item n="42">A Curious Collection of Travels, selected from the Writers of all Nations,
       10 Vol, Pr. bound 1l.</item>
  </list>
 </div>
 <div type="advert">
  <head>By the KING's Royal Patent, Are sold by J. NEWBERY, at the Bible and Sun in St.
     Paul's Church-Yard.</head>
  <list>
   <item n="1">Dr. James's Powders for Fevers, the Small-Pox, Measles, Colds, &amp;c. 2s.
       6d</item>
   <item n="2">Dr. Hooper's Female Pills, 1s.</item>
<!-- ... -->
  </list>
 </div>
</back>
Content model 
<content>
 <sequence>
  <alternate minOccurs="0"
   maxOccurs="unbounded">
   <classRef key="model.frontPart"/>
   <classRef key="model.pLike.front"/>
   <classRef key="model.pLike"/>
   <classRef key="model.listLike"/>
   <classRef key="model.global"/>
  </alternate>
  <alternate minOccurs="0">
   <sequence>
    <classRef key="model.div1Like"/>
    <alternate minOccurs="0"
     maxOccurs="unbounded">
     <classRef key="model.frontPart"/>
     <classRef key="model.div1Like"/>
     <classRef key="model.global"/>
    </alternate>
   </sequence>
   <sequence>
    <classRef key="model.divLike"/>
    <alternate minOccurs="0"
     maxOccurs="unbounded">
     <classRef key="model.frontPart"/>
     <classRef key="model.divLike"/>
     <classRef key="model.global"/>
    </alternate>
   </sequence>
  </alternate>
  <sequence minOccurs="0">
   <classRef key="model.divBottomPart"/>
   <alternate minOccurs="0"
    maxOccurs="unbounded">
    <classRef key="model.divBottomPart"/>
    <classRef key="model.global"/>
   </alternate>
  </sequence>
 </sequence>
</content>
Schema Declaration 
<rng:element name="back">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.global.rendition.attributes"/>
 <rng:ref name="att.global.linking.attributes"/>
 <rng:ref name="att.global.analytic.attributes"/>
 <rng:ref name="att.global.facs.attributes"/>
 <rng:ref name="att.global.change.attributes"/>
 <rng:ref name="att.global.responsibility.attributes"/>
 <rng:ref name="att.global.source.attributes"/>
 <rng:ref name="att.declaring.attributes"/>
 <rng:group>
  <rng:zeroOrMore>
   <rng:choice>
    <rng:ref name="model.frontPart"/>
    <rng:ref name="model.pLike.front"/>
    <rng:ref name="model.pLike"/>
    <rng:ref name="model.listLike"/>
    <rng:ref name="model.global"/>
   </rng:choice>
  </rng:zeroOrMore>
  <rng:optional>
   <rng:choice>
    <rng:group>
     <rng:ref name="model.div1Like"/>
     <rng:zeroOrMore>
      <rng:choice>
       <rng:ref name="model.frontPart"/>
       <rng:ref name="model.div1Like"/>
       <rng:ref name="model.global"/>
      </rng:choice>
     </rng:zeroOrMore>
    </rng:group>
    <rng:group>
     <rng:ref name="model.divLike"/>
     <rng:zeroOrMore>
      <rng:choice>
       <rng:ref name="model.frontPart"/>
       <rng:ref name="model.divLike"/>
       <rng:ref name="model.global"/>
      </rng:choice>
     </rng:zeroOrMore>
    </rng:group>
   </rng:choice>
  </rng:optional>
  <rng:optional>
   <rng:group>
    <rng:ref name="model.divBottomPart"/>
    <rng:zeroOrMore>
     <rng:choice>
      <rng:ref name="model.divBottomPart"/>
      <rng:ref name="model.global"/>
     </rng:choice>
    </rng:zeroOrMore>
   </rng:group>
  </rng:optional>
 </rng:group>
</rng:element>
element back
{
   att.global.attributes,
   att.global.rendition.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.global.change.attributes,
   att.global.responsibility.attributes,
   att.global.source.attributes,
   att.declaring.attributes,
   (
      (
         model.frontPart
       | model.pLike.front
       | model.pLike
       | model.listLike
       | model.global
      )*,
      (
         (
            model.div1Like,
            ( model.frontPart | model.div1Like | model.global )*
         )
       | ( model.divLike, ( model.frontPart | model.divLike | model.global )* )
      )?,
      ( model.divBottomPart, ( model.divBottomPart | model.global )* )?
   )
}