A See Also (meaning “see related”) entry in a structural index.
<!ELEMENT see-also-entry (#PCDATA %see-also-entry-elements;)* >
(#PCDATA | email | ext-link | uri | inline-supplementary-material | related-article | related-object | hr | bold | fixed-case | italic | monospace | overline | overline-start | overline-end | roman | sans-serif | sc | strike | underline | underline-start | underline-end | ruby | alternatives | inline-graphic | private-char | chem-struct | inline-formula | tex-math | mml:math | abbrev | index-term | index-term-range-end | milestone-end | milestone-start | named-content | styled-content | fn | target | xref | sub | sup | x | disp-formula | disp-formula-group | array | code | graphic | media | preformat)*
Any combination of:
Back of Book Index with links into the text:
...
<book-back>
<index>
<title-group><title>Index</title></title-group>
...
<index-div>
<title-group><title>N</title></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"/>–
<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>
...
Back of Book Index with print page numbers:
...
<book-back>
<index>
<title-group><title>Index</title></title-group>
...
<index-div>
<title-group><title>N</title></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>–
<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>
...