<chapter id="Modules" xreflabel="5">
<docinfo>
<date>
$Id$
</date>
</docinfo>
<title>
Programming with &Gnupg;
</title>

<para>...</para>

<sect1>
<title>
Using &gpg in batch mode
</title>

<para>...</para>

<sect2>
<title>
Invoking &gpg from mail clients
</title>

<para>...</para>
</sect2>
</sect1>

<sect1>
<title>
Writing extension modules
</title>

<para>...</para>
</sect1>

</chapter>