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<section>
  <title>Introduction</title>

  <para>4Suite allows users to take advantage of standard XML technologies
  rapidly and to develop and integrate Web-based applications. It also puts
  practical technologies for knowledge management projects in the hands of
  developers. It is implemented in Python with C extensions.</para>

  <para>At the core of 4Suite is a library of integrated tools (including
  convenient command-line tools) for XML processing, implementing open
  technologies such as DOM, SAX, XSLT, XInclude, XPointer, XLink, XPath,
  XUpdate, RELAX NG, and XML/SGML Catalogs.</para>

  <para>With 4Suite, you can:</para>

  <itemizedlist>
    <listitem>
      <para><link linkend="domlette">Parse a document into an efficient
      DOM-like structure (Domlette)</link></para>
    </listitem>

    <listitem>
      <para><link linkend="saxlette">Parse a document in event mode based on
      SAX 2 (Saxlette)</link></para>
    </listitem>

    <listitem>
      <para><link linkend="xpath_engine">Run XPath queries over a parsed
      document</link></para>
    </listitem>

    <listitem>
      <para><link linkend="xslt_engine">Apply XSLT to a document, whether or
      not it has been separately parsed</link></para>
    </listitem>

    <listitem>
      <para><link linkend="xupdate">Update a document using an XUpdate
      script</link></para>
    </listitem>

    <listitem>
      <para><link linkend="RELAXNG">Validate a document using RELAX
      NG</link></para>
    </listitem>
  </itemizedlist>

  <para>And much more. These tasks are covered in this manual.</para>
</section>