+ * Revision 1.17 1996/05/31 08:02:56 adam
+ * Bug fix: egw_enc encoded '/' - it shouldn't.
+ *
+ * Revision 1.16 1996/05/23 15:53:12 adam
+ * Bug fix: egw_enc failed on 8-bit chars.
+ * New command: egw_parms.
+ *
+ * Revision 1.15 1996/05/22 16:50:27 adam
+ * Bug fix.
+ *
+ * Revision 1.14 1996/05/21 14:53:04 adam
+ * Tcl command wform extented; options -raw and -exists added.
+ *
+ * Revision 1.13 1996/03/14 11:48:40 adam
+ * New function egw_prog that returns name of shell.
+ *
+ * Revision 1.12 1996/03/07 12:45:34 adam
+ * New Tcl calls egw_enc/egw_dec to encode/decode binary URL info.
+ *
+ * Revision 1.11 1996/01/24 08:26:56 adam
+ * All tcl commands prefixed with egw_ (except the html command).
+ *
+ * Revision 1.10 1995/11/08 16:14:35 adam
+ * Many improvements and bug fixes.
+ * First version that ran on dtbsun.
+ *
+ * Revision 1.9 1995/11/07 14:57:00 adam
+ * Work on search in multiple targets.
+ * New wtcl command: wlog.
+ * Optional timeout parameter to zwait.
+ *
+ * Revision 1.8 1995/11/06 17:44:23 adam
+ * State reestablised when shell restarts. History of previous
+ * result sets.
+ *
+ * Revision 1.7 1995/10/31 16:56:25 adam
+ * Record presentation.
+ *
+ * Revision 1.6 1995/10/31 10:03:54 adam
+ * Work on queries.
+ * New command implemented - aborts script.
+ *
+ * Revision 1.5 1995/10/30 17:35:18 adam
+ * New function zwait that waits for a variable change - due to i/o events
+ * that invoke callback routines.
+ *
+ * Revision 1.4 1995/10/27 17:30:16 adam
+ * First search request/response that works.
+ *
+ * Revision 1.3 1995/10/27 15:12:14 adam
+ * IrTcl incorporated in the gateway.
+ * Better separation of script types.
+ * Z39.50 gateway scripts entered.
+ *
+ * Revision 1.2 1995/10/23 16:55:43 adam