Profiling/conditional text based on document context?

<?xml version="1.0" encoding="UTF-8"?>
<!--
 This file is included in both release notes in the same doc set.
 Both sets of release notes are built *at the same time*.
 That is, profiles depend on the document, not on the build.
-->
<section xml:id="whats-new"
         xmlns="http://docbook.org/ns/docbook" version="5.0" xml:lang="en"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://docbook.org/ns/docbook
                             http://docbook.org/xml/5.0/xsd/docbook.xsd">
 <title>What's New</title>


 <itemizedlist>
  <para>
   This release includes the following new features:
  </para>

  <listitem><!-- Make this appear only in standard edition release notes. -->
   <para>
    A feature that is only in the standard edition of the product
   </para>
  </listitem>

  <listitem><!-- Make this appear only in OEM edition release notes. -->
   <para>
    A feature that is only in the OEM edition of the product
   </para>
  </listitem>

  <listitem><!-- Make this appear in both release notes. -->
   <para>
    A feature that is in both standard and OEM editions
   </para>
  </listitem>
 </itemizedlist>
</section>