+ * Revision 1.23 1995-10-27 14:00:10 adam
+ * Implemented detection of database availability.
+ *
+ * Revision 1.22 1995/10/17 18:02:07 adam
+ * New feature: databases. Implemented as prefix to words in dictionary.
+ *
+ * Revision 1.21 1995/10/10 12:24:38 adam
+ * Temporary sort files are compressed.
+ *
+ * Revision 1.20 1995/10/06 13:52:05 adam
+ * Bug fixes. Handler may abort further scanning.
+ *
+ * Revision 1.19 1995/10/04 12:55:16 adam
+ * Bug fix in ranked search. Use=Any keys inserted.
+ *
+ * Revision 1.18 1995/10/04 09:37:08 quinn
+ * Fixed bug.
+ *
+ * Revision 1.17 1995/10/03 14:28:57 adam
+ * Buffered read in extract works.
+ *
+ * Revision 1.16 1995/10/03 14:28:45 adam