From fbafcf17bcaf81a423fe112ab6088ad5de06908c Mon Sep 17 00:00:00 2001
From: nicm <nicm@openbsd.org>
Date: Wed, 16 Jun 2021 08:37:58 +0000
Subject: [PATCH] Pass Ctrl keys through as is when given as hex, GitHub issue
 2724.

---
 usr.bin/tmux/key-string.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/usr.bin/tmux/key-string.c b/usr.bin/tmux/key-string.c
index ccf4022f7f5..fca85dadae7 100644
--- a/usr.bin/tmux/key-string.c
+++ b/usr.bin/tmux/key-string.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: key-string.c,v 1.67 2021/06/10 07:38:28 nicm Exp $ */
+/* $OpenBSD: key-string.c,v 1.68 2021/06/16 08:37:58 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -183,6 +183,8 @@ key_string_lookup_string(const char *string)
 	if (string[0] == '0' && string[1] == 'x') {
 		if (sscanf(string + 2, "%x", &u) != 1)
 			return (KEYC_UNKNOWN);
+		if (u < 32)
+			return (u);
 		mlen = wctomb(m, u);
 		if (mlen <= 0 || mlen > MB_LEN_MAX)
 			return (KEYC_UNKNOWN);
-- 
2.20.1