spring-security/src/docbkx/appendix-namespace.xml

<?xml version="1.0" encoding="UTF-8"?>
<appendix version="5.0" xml:id="appendix-namespace" xmlns="http://docbook.org/ns/docbook"
  xmlns:xlink="http://www.w3.org/1999/xlink" 
  xmlns:xi="http://www.w3.org/2001/XInclude">

  <info>
    <title>The Security Namespace</title>
  </info>
  
  <para>
    This provides a reference to the elements available in the security namespace and infromation on 
    the underlying beans they create. If you haven't used the namespace before, please read the 
    <link xlink:href="#ns-config">introductory chapter</link>.
  </para>
  
  <section>
    <title>The <literal>&lt;http&gt;</literal> Element</title>
    <para>
      This element encapsulates the security configuration for the web layer of your application.
    </para>
  </section>
  
</appendix>