===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/input-keys.c,v
retrieving revision 1.12
retrieving revision 1.13
diff -u -r1.12 -r1.13
--- src/usr.bin/tmux/input-keys.c	2009/10/26 17:46:33	1.12
+++ src/usr.bin/tmux/input-keys.c	2009/10/26 17:59:46	1.13
@@ -1,4 +1,4 @@
-/* $OpenBSD: input-keys.c,v 1.12 2009/10/26 17:46:33 nicm Exp $ */
+/* $OpenBSD: input-keys.c,v 1.13 2009/10/26 17:59:46 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -95,7 +95,10 @@
 	{ KEYC_PPAGE|KEYC_CTRL,	"\033[5^",	0 },
 	{ KEYC_BTAB,		"\033[Z",	0 },
 
-	/* Arrow keys. Cursor versions must come first. */
+	/*
+	 * Arrow keys. Cursor versions must come first. The codes are toggled
+	 * between CSI and SS3 versions when ctrl is pressed.
+	 */
 	{ KEYC_UP|KEYC_CTRL,	"\033[A",	INPUTKEY_CURSOR },
 	{ KEYC_DOWN|KEYC_CTRL,	"\033[B",	INPUTKEY_CURSOR },
 	{ KEYC_RIGHT|KEYC_CTRL,	"\033[C",	INPUTKEY_CURSOR },