+#. type: Content of: <refentry><refsect1><variablelist><varlistentry><listitem><para>
+#: apt-cache.8.xml
+msgid ""
+"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!"
+msgstr ""
+
+#. type: Content of: <refentry><refsect1><variablelist><varlistentry><listitem><para>
+#: apt-cache.8.xml
+msgid ""
+"<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"
+msgstr ""
+
+#. type: Content of: <refentry><refsect1><variablelist><varlistentry><listitem><para>
+#: apt-cache.8.xml
+#, fuzzy
+#| msgid ""
+#| "Use source index field ordering. Configuration Item: <literal>APT::"
+#| "SortPkgs::Source</literal>."
+msgid ""
+"Note that these sources are treated as trusted (see &apt-secure;). "
+"Configuration Item: <literal>APT::Sources::With</literal>."
+msgstr ""
+"ソースインデックスフィールド順に並べ替えに使用します。設定項目: "
+"<literal>APT::SortPkgs::Source</literal>"
+