+ * Revision 1.15 1996-03-20 09:35:18 adam
+ * Function dict_lookup_grep got extra parameter, init_pos, which marks
+ * from which position in pattern approximate pattern matching should occur.
+ *
+ * Revision 1.14 1996/02/02 13:43:51 adam
+ * The public functions simply use char instead of Dict_char to represent
+ * search strings. Dict_char is used internally only.
+ *
+ * Revision 1.13 1996/01/08 09:09:30 adam
+ * Function dfa_parse got 'const' string argument.
+ *
+ * Revision 1.12 1995/12/11 09:04:48 adam
+ * Bug fix: the lookup/scan/lookgrep didn't handle empty dictionary.
+ *
+ * Revision 1.11 1995/12/06 14:43:02 adam
+ * New function: dict_delete.
+ *
+ * Revision 1.10 1995/11/16 17:00:44 adam
+ * Changed stupid log.
+ *
+ * Revision 1.9 1995/10/27 13:58:09 adam
+ * Makes 'Database unavailable' diagnostic.
+ *
+ * Revision 1.8 1995/10/19 14:57:21 adam
+ * New feature: grep lookup saves length of longest prefix match.
+ *
+ * Revision 1.7 1995/10/17 18:01:22 adam
+ * Userfunc may return non-zero in which case the the grepping stops
+ * immediately.
+ *
+ * Revision 1.6 1995/10/09 16:18:32 adam
+ * Function dict_lookup_grep got extra client data parameter.
+ *
+ * Revision 1.5 1995/09/14 11:52:59 adam
+ * Grep handle function parameter info is const now.
+ *
+ * Revision 1.4 1995/01/24 16:01:02 adam
+ * Added -ansi to CFLAGS.
+ * Use new API of dfa module.
+ *
+ * Revision 1.3 1994/10/05 12:16:50 adam
+ * Pagesize is a resource now.
+ *
+ * Revision 1.2 1994/10/04 12:08:07 adam
+ * Some bug fixes and some optimizations.
+ *
+ * Revision 1.1 1994/10/03 17:23:04 adam