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<index-div> Index Division

Division, typically for the purposes of display, in a structural index, for example, a division holding the heading "A" and all of the initial alphabetically arranged index entries.
Attributes
content-type
specific-use

Base Attributes

id
xml:base
xml:lang
Models and Context
May be contained in
<index>, <index-div>
Description
The following, in order:
Content Model
<!ELEMENT  index-div    %index-div-model;                            >
Expanded Content Model

(index-title-group?, (address | alternatives | answer | answer-set | array | boxed-text | chem-struct-wrap | code | explanation | fig | fig-group | graphic | media | name-address-wrap | preformat | question | question-wrap | question-wrap-group | supplementary-material | table-wrap | table-wrap-group | disp-formula | disp-formula-group | def-list | list | tex-math | mml:math | p | related-article | related-object | ack | disp-quote | speech | statement | verse-group)*, (index-entry | index-div | x)+)

Tagged Samples
With links into the text 
...
<book-back>
 <index>
  <index-title-group>
   <title>Index</title>
  </index-title-group>
  ...
  <index-div>
   <index-title-group>
    <title>N</title>
   </index-title-group>
   ...
   <index-entry>
    <term>Navy</term>
    <x>.</x>
    <see-entry>Armed forces</see-entry>
    <x>.</x>
   </index-entry>
   <index-entry>
    <term>Necessary and proper clause, congressional power</term>
    <nav-pointer-group>...</nav-pointer-group>
   </index-entry>
   <index-entry>
    <term>Newsgathering as commerce</term>
    <nav-pointer-group> 
     <nav-pointer rid="idx13" nav-pointer-type="point"/> 
    </nav-pointer-group>
   </index-entry>
   <index-entry>
    <term>Newspapers</term>
    <x> (</x>
    <see-also-entry>Speech and press</see-also-entry>
    <x>):</x>
    <index-entry>
     <term>Contempt for publication</term>
     <nav-pointer-group> 
      <nav-pointer rid="idx14-1" nav-pointer-type="start-of-range"/>&ndash;
      <nav-pointer rid="idx14-2" nav-pointer-type="end-of-range"/> 
     </nav-pointer-group>
    </index-entry>
    <index-entry>
     <term>Exclusion from mails</term>
     <nav-pointer-group> 
      <nav-pointer rid="idx15" nav-pointer-type="point"/> 
     </nav-pointer-group>
    </index-entry>
   </index-entry>
  </index-div>
  ...
 </index>
</book-back>
...
With print page numbers 
...
<book-back>
 <index>
  <index-title-group>
   <title>Index</title>
  </index-title-group>
  ...
  <index-div>
   <index-title-group>
    <title>N</title>
   </index-title-group>
   ...
   <index-entry>
    <term>Navy</term>
    <x>.</x>
    <see-entry>Armed forces</see-entry>
    <x>.</x>
   </index-entry>
   <index-entry>
    <term>Necessary and proper clause, congressional power</term>
    <nav-pointer-group>...</nav-pointer-group>
   </index-entry>
   <index-entry>
    <term>Newsgathering as commerce</term>
    <nav-pointer-group>
     <nav-pointer rid="idx13" nav-pointer-type="point">162</nav-pointer>
    </nav-pointer-group>
   </index-entry>
   <index-entry>
    <term>Newspapers</term>
    <x> (</x>
    <see-also-entry>Speech and press</see-also-entry>
    <x>):</x>
    <index-entry>
     <term>Contempt for publication</term>
     <nav-pointer-group> 
      <nav-pointer rid="idx14-1" nav-pointer-type="start-of-range">627</nav-pointer>&ndash; 
      <nav-pointer rid="idx14-2" nav-pointer-type="end-of-range">629</nav-pointer> 
     </nav-pointer-group>
    </index-entry>
    <index-entry>
     <term>Exclusion from mails</term>
     <nav-pointer-group> 
      <nav-pointer rid="idx15" nav-pointer-type="point">290</nav-pointer>
     </nav-pointer-group>
    </index-entry>
   </index-entry>
  </index-div>
  ...
 </index>
</book-back>
...
With nested index terms and links into the text 
...
<book-back>
 <index>
  <index-title-group>
   <title>Index</title>
  </index-title-group>
  ...
  <index-div>
   <index-title-group>
    <title>I</title>
   </index-title-group>
   ...
   <index-entry>
    <term>Interstate commerce</term>
    <x>:</x>
    ...
    <index-entry>
     <term>State powers, taxation and regulation</term>
     <nav-pointer-group>
      <nav-pointer rid="idx1-1" nav-pointer-type="start-of-range"/>&ndash;
      <nav-pointer rid="idx1-2" nav-pointer-type="end-of-range"/>
     </nav-pointer-group>
     <index-entry>
      <term>Balancing test, modern standard</term>
      <nav-pointer-group> 
       <nav-pointer rid="idx2-1" nav-pointer-type="start-of-range"/>&ndash;
       <nav-pointer rid="idx2-2" nav-pointer-type="end-of-range"/> 
      </nav-pointer-group>
     </index-entry>
     <index-entry>
      <term>Regulation of commerce</term>
      <nav-pointer-group> 
       <nav-pointer rid="idx6-1" nav-pointer-type="start-of-range"/>&ndash;
       <nav-pointer rid="idx6-2" nav-pointer-type="end-of-range"/>, 
       <nav-pointer rid="idx7-1" nav-pointer-type="start-of-range"/>&ndash;
       <nav-pointer rid="idx7-2" nav-pointer-type="end-of-range"/>, 
       <nav-pointer rid="idx8-1" nav-pointer-type="start-of-range"/>&ndash;
       <nav-pointer rid="idx8-2" nav-pointer-type="end-of-range"/> 
      </nav-pointer-group>
     </index-entry>
     <index-entry>
      <term>Taxation of commerce</term>
      <nav-pointer-group> 
       <nav-pointer rid="idx10-1" nav-pointer-type="start-of-range"/>&ndash;
       <nav-pointer rid="idx10-2" nav-pointer-type="end-of-range"/>, 
       <nav-pointer rid="idx11-1" nav-pointer-type="start-of-range"/>&ndash; 
       <nav-pointer rid="idx11-2" nav-pointer-type="end-of-range"/> 
      </nav-pointer-group>
      <index-entry>
       <term>Apportionment</term>
       <nav-pointer-group> 
        <nav-pointer rid="idx12" nav-pointer-type="point"/>, 
        <nav-pointer rid="idx13-1" nav-pointer-type="start-of-range"/>&ndash; 
        <nav-pointer rid="idx13-2" nav-pointer-type="end-of-range"/> 
       </nav-pointer-group>
      </index-entry>
      <index-entry>
       <term>Benefit relationship</term>
       <nav-pointer rid="idx14" nav-pointer-type="point"/>
      </index-entry>
     </index-entry>
    </index-entry>
   </index-entry>
   <index-entry>
    <term>Interstate compacts</term>
    <x>.</x>
    <see-entry>States, Agreements with other States</see-entry>
    <x>.</x>
   </index-entry>
   ...
  </index-div>
  ...
 </index>
</book-back>
...
With nested terms and print page numbers 
...
<book-back>
 <index>
  <index-title-group>
   <title>Index</title>
  </index-title-group>
  ...
  <index-div>
   <index-title-group>
    <title>I</title>
   </index-title-group>
   ...
   <index-entry>
    <term>Interstate commerce</term>
    <x>:</x>
    ...
    <index-entry>
     <term>State powers, taxation and regulation</term>
     <nav-pointer-group> 
      <nav-pointer rid="idx1-1" nav-pointer-type="start-of-range">209</nav-pointer>&ndash;
      <nav-pointer rid="idx1-2" nav-pointer-type="end-of-range">240</nav-pointer>
     </nav-pointer-group>
     <index-entry>
      <term>Balancing test, modern standard</term>
      <nav-pointer-group> 
       <nav-pointer rid="idx2-1" nav-pointer-type="start-of-range">233</nav-pointer>&ndash;
       <nav-pointer rid="idx2-2" nav-pointer-type="end-of-range">234</nav-pointer>
      </nav-pointer-group>
     </index-entry>
     <index-entry>
      <term>Regulation of commerce</term>
      <nav-pointer-group> 
       <nav-pointer rid="idx6-1" nav-pointer-type="start-of-range">220</nav-pointer>&ndash;
       <nav-pointer rid="idx6-2" nav-pointer-type="end-of-range">221</nav-pointer>, 
       <nav-pointer rid="idx7-1" nav-pointer-type="start-of-range">224</nav-pointer>&ndash;
       <nav-pointer rid="idx7-2" nav-pointer-type="end-of-range">227</nav-pointer>, 
       <nav-pointer rid="idx8-1" nav-pointer-type="start-of-range">233</nav-pointer>&ndash;
       <nav-pointer rid="idx8-2" nav-pointer-type="end-of-range">240</nav-pointer> 
      </nav-pointer-group>
     </index-entry>
     <index-entry>
      <term>Taxation of commerce</term>
      <nav-pointer-group>
       <nav-pointer rid="idx10-1" nav-pointer-type="start-of-range">220</nav-pointer>&ndash;
       <nav-pointer rid="idx10-2" nav-pointer-type="end-of-range">223</nav-pointer>, 
       <nav-pointer rid="idx11-1" nav-pointer-type="start-of-range">227</nav-pointer>&ndash;
       <nav-pointer rid="idx11-2" nav-pointer-type="end-of-range">233</nav-pointer> 
      </nav-pointer-group>
      <index-entry>
       <term>Apportionment</term>
       <nav-pointer-group> 
        <nav-pointer rid="idx12" nav-pointer-type="point">223</nav-pointer>,
        <nav-pointer rid="idx13-1" nav-pointer-type="start-of-range">231</nav-pointer>&ndash;
        <nav-pointer rid="idx13-2" nav-pointer-type="end-of-range">232</nav-pointer> 
       </nav-pointer-group>
      </index-entry>
      <index-entry>
       <term>Benefit relationship</term>
       <nav-pointer rid="idx14" nav-pointer-type="point">233</nav-pointer>
      </index-entry>
     </index-entry>
    </index-entry>
   </index-entry>
   <index-entry>
    <term>Interstate compacts</term>
    <x>.</x>
    <see-entry>States, Agreements with other States</see-entry>
    <x>.</x>
   </index-entry>
   ...
  </index-div>
  ...
 </index>
</book-back>
...
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