* doc/apt.conf.5.xml:

  - document Acquire::ForceIPv{4,6}

debian/changelog

@@ -16,6 +16,8 @@ apt (0.9.7.9~exp2) UNRELEASED; urgency=low
   [ Michael Vogt ]
   * methods/connect.cc:
     - use Errno() instead of strerror(), thanks to David Kalnischk
+  * doc/apt.conf.5.xml:
+    - document Acquire::ForceIPv{4,6}
 
  -- Christian Perrier <bubulle@debian.org>  Sun, 24 Mar 2013 08:57:45 +0100
 

doc/apt.conf.5.xml

@@ -554,6 +554,18 @@ DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt";};
      </listitem>
      </varlistentry>
 
+     <varlistentry><term><option>ForceIPv4</option></term>
+	 <listitem><para>
+         When downloading, force to use only the IPv4 protocol.
+	 </para></listitem>
+     </varlistentry>
+
+     <varlistentry><term><option>ForceIPv6</option></term>
+	 <listitem><para>
+         When downloading, force to use only the IPv6 protocol.
+	 </para></listitem>
+     </varlistentry>
+
    </variablelist>
  </refsect1>