+<!ENTITY apt-transport-debtorrent "<citerefentry>
+ <refentrytitle><package>apt-transport-debtorrent</package></refentrytitle>
+ <manvolnum>1</manvolnum>
+ </citerefentry>"
+>
+
+<!ENTITY regex "<citerefentry>
+ <refentrytitle><abbrev>regex</abbrev></refentrytitle>
+ <manvolnum>7</manvolnum>
+ </citerefentry>"
+>
+