+ * Revision 1.103 1997-11-19 11:22:10 adam
+ * Object identifiers can be accessed in GRS-1 records.
+ *
+ * Revision 1.102 1997/09/17 12:22:40 adam
+ * Changed to use YAZ version 1.4. The new comstack utility, cs_straddr,
+ * is used.
+ *
+ * Revision 1.101 1997/09/09 10:19:53 adam
+ * New MSV5.0 port with fewer warnings.
+ *
+ * Revision 1.100 1997/05/01 15:04:05 adam
+ * Added ir-log command.
+ *
+ * Revision 1.99 1997/04/30 07:24:47 adam
+ * Spell fix of an error message.
+ *
+ * Revision 1.98 1997/04/13 18:57:20 adam
+ * Better error reporting and aligned with Tcl/Tk style.
+ * Rework of notifier code with Tcl_File handles.
+ *
+ * Revision 1.97 1996/11/14 17:11:07 adam
+ * Added Explain documentaion.
+ *
+ * Revision 1.96 1996/10/08 13:02:50 adam
+ * When dealing with records, odr_choice_enable_bias function is used to
+ * prevent decoding of externals.
+ *
+ * Revision 1.95 1996/09/13 10:51:49 adam
+ * Bug fix: ir_tcl_select_set called Tcl_GetFile at disconnect.
+ *
+ * Revision 1.94 1996/08/21 13:32:53 adam
+ * Implemented saveFile method and extended loadFile method to work with it.
+ *
+ * Revision 1.93 1996/08/16 15:07:45 adam
+ * First work on Explain.
+ *
+ * Revision 1.92 1996/08/09 15:33:07 adam
+ * Modified the code to use tk4.1/tcl7.5 patch level 1. The time-driven
+ * polling is no longer activated on Windows since asynchrounous I/O works
+ * better.
+ *
+ * Revision 1.91 1996/07/03 13:31:11 adam
+ * The xmalloc/xfree functions from YAZ are used to manage memory.
+ *
+ * Revision 1.90 1996/06/27 14:21:00 adam
+ * Yet another Windows port.
+ *
+ * Revision 1.89 1996/06/11 15:27:15 adam
+ * Event type set to connect a little earlier in the do_connect function.
+ *
+ * Revision 1.88 1996/06/03 09:04:22 adam
+ * Changed a few logf calls.
+ *
+ * Revision 1.87 1996/05/29 06:37:51 adam
+ * Function ir_tcl_get_grs_r enhanced so that specific elements can be
+ * extracted.
+ *
+ * Revision 1.86 1996/03/20 13:54:04 adam
+ * The Tcl_File structure is only manipulated in the Tk-event interface
+ * in tkinit.c.
+ *
+ * Revision 1.85 1996/03/15 11:15:48 adam
+ * Modified to use new prototypes for p_query_rpn and p_query_scan.
+ *
+ * Revision 1.84 1996/03/07 12:42:49 adam
+ * Better logging when callback is invoked.
+ *
+ * Revision 1.83 1996/03/05 09:21:09 adam
+ * Bug fix: memory used by GRS records wasn't freed.
+ * Rewrote some of the error handling code - the connection is always
+ * closed before failback is called.
+ * If failback is defined the send APDU methods (init, search, ...) will
+ * return OK but invoke failback (as is the case if the write operation
+ * fails).
+ * Bug fix: ref_count in assoc object could grow if fraction of PDU was
+ * read.
+ *
+ * Revision 1.82 1996/02/29 15:30:21 adam
+ * Export of IrTcl functionality to extensions.
+ *
+ * Revision 1.81 1996/02/26 18:38:32 adam
+ * Work on export of set methods.
+ *
+ * Revision 1.80 1996/02/23 17:31:39 adam
+ * More functions made available to the wais tcl extension.
+ *
+ * Revision 1.79 1996/02/23 13:41:38 adam
+ * Work on public access to simple ir class system.
+ *
+ * Revision 1.78 1996/02/21 10:16:08 adam
+ * Simplified select handling. Only one function ir_tcl_select_set has
+ * to be externally defined.
+ *
+ * Revision 1.77 1996/02/20 17:52:58 adam
+ * Uses the YAZ oid system to name record syntax object identifiers.
+ *
+ * Revision 1.76 1996/02/20 16:09:51 adam
+ * Bug fix: didn't set element set names stamp correctly on result
+ * set records when element set names were set to the empty string.
+ *
+ * Revision 1.75 1996/02/19 15:41:53 adam
+ * Better log messages.
+ * Minor improvement of connect method.
+ *
+ * Revision 1.74 1996/02/05 17:58:03 adam
+ * Ported ir-tcl to use the beta releases of tcl7.5/tk4.1.
+ *
+ * Revision 1.73 1996/01/29 11:35:19 adam
+ * Bug fix: cs_type member renamed to comstackType to avoid conflict with
+ * cs_type macro defined by YAZ.
+ *
+ * Revision 1.72 1996/01/19 17:45:34 quinn
+ * Added debugging output
+ *
+ * Revision 1.71 1996/01/19 16:22:38 adam
+ * New method: apduDump - returns information about last incoming APDU.
+ *
+ * Revision 1.70 1996/01/10 09:18:34 adam
+ * PDU specific callbacks implemented: initRespnse, searchResponse,
+ * presentResponse and scanResponse.
+ * Bug fix in the command line shell (tclmain.c) - discovered on OSF/1.
+ *
+ * Revision 1.69 1996/01/04 16:12:12 adam