Used a proper cross reference to driver structures.
typedef struct comedi_insnlist_struct <link linkend="ref-type-comedi-insnlist">comedi_insnlist</link>;
</programlisting>
The data structures used in the implementation of the &comedi; drivers
typedef struct comedi_insnlist_struct <link linkend="ref-type-comedi-insnlist">comedi_insnlist</link>;
</programlisting>
The data structures used in the implementation of the &comedi; drivers
-are treated <link linkend="driverdatastructures">elsewhere</link>.
+are described in <xref linkend="driverdatastructures"/>.