<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE para PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
"http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">
<para>The formula <xref linkend="eq-with-no-title"/> below:
  <equation id="eq-with-no-title">
    <alt>C = \alpha + \beta Y^{\gamma} + \epsilon</alt>
    <graphic fileref="figures/eq4"/>
  </equation>
is displayed as a latex equation with its own equation numbering.
Its XML source is:</para>