+ * Revision 1.7 1998-01-07 13:53:41 adam
+ * Queries using simple ranked operands returns right number of hits.
+ *
+ * Revision 1.6 1997/12/18 10:54:24 adam
+ * New method result set method rs_hits that returns the number of
+ * hits in result-set (if known). The ranked result set returns real
+ * number of hits but only when not combined with other operands.
+ *
+ * Revision 1.5 1997/09/22 12:39:06 adam
+ * Added get_pos method for the ranked result sets.
+ *
+ * Revision 1.4 1997/09/05 15:30:05 adam
+ * Changed prototype for chr_map_input - added const.
+ * Added support for C++, headers uses extern "C" for public definitions.
+ *
+ * Revision 1.3 1996/11/08 11:08:02 adam