+ * Revision 1.7 1999-02-02 14:50:37 adam
+ * Updated WIN32 code specific sections. Changed header.
+ *
+ * Revision 1.6 1998/03/05 08:37:44 adam
+ * New result set model.
+ *
+ * Revision 1.5 1997/09/05 15:30:02 adam
+ * Changed prototype for chr_map_input - added const.
+ * Added support for C++, headers uses extern "C" for public definitions.
+ *
+ * Revision 1.4 1995/12/11 09:07:53 adam
+ * New rset member 'flag', that holds various flags about a result set -
+ * currently 'volatile' (set is register dependent) and 'ranked' (set is
+ * ranked).
+ * New set types sand/sor/snot. They handle and/or/not for ranked and
+ * semi-ranked result sets.
+ *
+ * Revision 1.3 1995/09/07 13:58:08 adam
+ * New parameter: result-set file descriptor (RSFD) to support multiple
+ * positions within the same result-set.
+ * Boolean operators: and, or, not implemented.
+ *
+ * Revision 1.2 1995/09/06 16:10:57 adam
+ * More work on boolean sets.
+ *
+ * Revision 1.1 1995/09/06 13:27:37 adam