--- rpl/src/usages.h	2010/06/24 10:10:47	1.16
+++ rpl/src/usages.h	2010/07/13 13:01:21	1.17
@@ -184,7 +184,7 @@ static unsigned char *usages[] =
 				"SWAPCNTXT",
 			USAGES_RC,
 			USAGES_TITRE, "Misc", "Instructions diverses",
-				"<<", ">>", "ABORT", "ALARM",
+				"<<", ">>", "ABORT", "ALARM", "BACKTRACE",
 				"CONVERT", "COPYRIGHT", "DATE",
 				"HELP", "IMPLICIT", "ITRACE",
 				"JDATE", "KILL",