-This function sets two things in an instance of
-L<SL::ReportGenerator>: the sort indicator and the links for those
-column headers that are sortable.
+This function does three things with an instance of
+L<SL::ReportGenerator>:
+
+=over 4
+
+=item 1. it sets the sort indicator,
+
+=item 2. it sets the the links for those column headers that are
+sortable and
+
+=item 3. it adds the C<FORM_PARAMS> fields to the list of variables in
+the report generator's export options.
+
+=back