productnumber.example.1.xml   [plain text]

<?xml version="1.0"?>
<!DOCTYPE para PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN" "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
<para>
You an order <citetitle>DocBook: The Definitive Guide</citetitle> directly
from O'Reilly &amp; Associates.  Order product number
<productnumber>5807</productnumber> by phone or 
<ulink url="http://www.oreilly.com/">over the web</ulink>.
</para>