+ * Revision 1.8 1996-06-04 10:18:59 adam
+ * Minor changes - removed include of ctype.h.
+ *
+ * Revision 1.7 1995/10/10 12:24:38 adam
+ * Temporary sort files are compressed.
+ *
+ * Revision 1.6 1995/09/29 14:01:42 adam
+ * Bug fixes.
+ *
+ * Revision 1.5 1995/09/11 13:09:35 adam
+ * More work on relevance feedback.
+ *
+ * Revision 1.4 1995/09/08 14:52:27 adam
+ * Minor changes. Dictionary is lower case now.
+ *
+ * Revision 1.3 1995/09/06 16:11:17 adam
+ * Option: only one word key per file.
+ *
+ * Revision 1.2 1995/09/04 12:33:42 adam
+ * Various cleanup. YAZ util used instead.
+ *
+ * Revision 1.1 1995/09/04 09:10:36 adam