Kapittel som separat fil

docbook-example01.sgml

<!DOCTYPE book PUBLIC"-//OASIS//DTD DocBook V4.1//EN"[
<!ENTITY chapter1 SYSTEM "chapter01.sgml"> <!-- Fil vi bruker og inkluderer -->
<!ENTITY  lugname "Bergen Linux User Group"> <!-- Streng vi trenger ofte -->
]>
<book>
<title>Outlining a DocBook Project</title>
&chapter1;
</book>

chapter01.sgml

<chapter id="introduction">
<title>
Introduction
</title>
<para>
With DocBook, your world gets clearer. <emphasis>&lugname;</emphasis> leads the way.
</para>
</chapter>

Resultatet: example01-plain.html eller example01-cooked.html