add a note about the possibility to support more URI types by installing

some apt-transport-methods packages, e.g. https and debtorrent.

debian/changelog

@@ -20,6 +20,8 @@ apt (0.7.25) UNRELEASED; urgency=low
   * doc/po4a.conf: activate translation of guide.sgml and offline.sgml
   * doc/apt.conf.5.xml:
     - provide a few more details about APT::Immediate-Configure
+  * doc/sources.list.5.xml:
+    - add note about additional apt-transport-methods
 
  -- Michael Vogt <michael.vogt@ubuntu.com>  Tue, 29 Sep 2009 15:51:34 +0200
 

doc/sources.list.5.xml

@@ -174,6 +174,18 @@ deb http://http.us.debian.org/debian dists/stable-updates/
     <command>dd</command> 
     commands to perform the file transfers from the remote.</para></listitem>
     </varlistentry>
+
+    <varlistentry><term>more recongnizable URI types</term>
+    <listitem><para>
+    APT can be extended with more methods shipped in other optional packages which should
+    follow the nameing scheme <literal>apt-transport-<replaceable>method</replaceable></literal>.
+    The APT team e.g. maintain also the <literal>apt-transport-https</literal> package which
+    provides access methods for https-URIs with features similiar to the http method, but other
+    methods for using e.g. debtorrent are also available, see <citerefentry>
+    <refentrytitle><filename>apt-transport-debtorrent</filename></refentrytitle>
+    <manvolnum>1</manvolnum></citerefentry>.
+    </para></listitem>
+    </varlistentry>
   </variablelist>
  </para>
  </refsect1>