+ <varlistentry><term><option>--with-source</option> <option>&synopsis-param-filename;</option></term>
+ <listitem><para>
+ Adds the given file as a source for metadata. Can be repeated to add multiple files.
+ Supported are currently <literal>*.deb</literal>, <literal>*.dsc</literal>,
+ <literal>*.changes</literal>, <literal>Sources</literal> and
+ <literal>Packages</literal> files as well as source package directories.
+ Files are matched based on their name only, not their content!</para>
+ <para><literal>Sources</literal> and <literal>Packages</literal> can be compressed in any
+ format apt supports as long as they have the correct extension. If you need to store
+ multiple of these files in one directory you can prefix a name of your choice with the
+ last character being an underscore ("<literal>_</literal>"). Example: my.example_Packages.xz</para>
+ <para>Note that these sources are treated as trusted (see &apt-secure;).
+ Configuration Item: <literal>APT::Sources::With</literal>.</para></listitem>
+ </varlistentry>
+