+ * Revision 1.7 2001-11-14 22:06:27 adam
+ * Rank-weight may be controlled via query.
+ *
+ * Revision 1.6 2000/03/15 15:00:30 adam
+ * First work on threaded version.
+ *
+ * Revision 1.5 1999/05/26 07:49:13 adam
+ * C++ compilation.
+ *
+ * Revision 1.4 1999/02/02 14:51:01 adam
+ * Updated WIN32 code specific sections. Changed header.
+ *
+ * Revision 1.3 1998/06/12 12:21:53 adam
+ * Fixed memory-leak.
+ *
+ * Revision 1.2 1998/03/05 13:03:29 adam
+ * Improved ranking.
+ *
+ * Revision 1.1 1998/03/05 08:45:12 adam