+ * Revision 1.6 1995-01-25 11:30:51 adam
+ * Simple error reporting when parsing regular expressions.
+ * Memory usage reduced.
+ *
+ * Revision 1.5 1995/01/24 16:00:22 adam
+ * Added -ansi to CFLAGS.
+ * Some changes to the dfa module.
+ *
+ * Revision 1.4 1994/10/04 17:46:44 adam
+ * Function options now returns arg with error option.
+ *
+ * Revision 1.3 1994/10/03 17:22:19 adam
+ * Optimization of grepper.
+ *
+ * Revision 1.2 1994/09/27 16:31:20 adam
+ * First version of grepper: grep with error correction.
+ *
+ * Revision 1.1 1994/09/26 10:16:55 adam