+#. type: Content of: <refentry><refsect1><variablelist><varlistentry><listitem><para>
+#: apt.conf.5.xml:559
+msgid "When downloading, force to use only the IPv4 protocol."
+msgstr ""
+
+#. type: Content of: <refentry><refsect1><variablelist><varlistentry><listitem><para>
+#: apt.conf.5.xml:565
+msgid "When downloading, force to use only the IPv6 protocol."
+msgstr ""
+