&lt;!DOCTYPE itemizedlist PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
          "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd"&gt;
&lt;itemizedlist mark='opencircle'&gt;
&lt;listitem&gt;
&lt;para&gt;
TeX and LaTeX
&lt;/para&gt;
&lt;/listitem&gt;
&lt;listitem override='bullet'&gt;
&lt;para&gt;
Troff
&lt;/para&gt;
&lt;/listitem&gt;
&lt;listitem&gt;
&lt;para&gt;
Lout
&lt;/para&gt;
&lt;/listitem&gt;
&lt;/itemizedlist&gt;