boost_1_45_0/tools/boostbook/test/more/tests/syntax-highlight/comments.xml

<?xml version="1.0" encoding="utf-8"?>
<header name="example.hpp">
  <para>
    Fake reference documentation, so that the syntax highlighter will kick in.
  </para>

  <macro name="foo">
    <description>
      <programlisting>/* C style comment */</programlisting>
      <programlisting>/* Broken C style comment</programlisting>
      <programlisting>
/* Multi-line
 *comment
 */</programlisting>
      <programlisting>/*/ Tricky comment */</programlisting>
      <programlisting>/**/</programlisting>
      <programlisting>/***/</programlisting>
      <programlisting>// Single line comment</programlisting>
      <programlisting>// Single line comment
</programlisting>
    </description>
  </macro>

</header>