From 3872e2484741d5b7e9b7facc0d364408ee548f9e Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicm@openbsd.org>
Date: Sun, 23 Jan 2011 11:04:25 +0000
Subject: [PATCH] Allow top-bit-set characters to be used for key bindings,
 from Tiago Cunha.

---
 key-string.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/key-string.c b/key-string.c
index 2d768aef..ad7d4edd 100644
--- a/key-string.c
+++ b/key-string.c
@@ -147,7 +147,7 @@ key_string_lookup_string(const char *string)
 	/* Is this a standard ASCII key? */
 	if (string[1] == '\0') {
 		key = (u_char) string[0];
-		if (key < 32 || key > 126)
+		if (key < 32 || key == 127 || key > 255)
 			return (KEYC_NONE);
 	} else {
 		/* Otherwise look the key up in the table. */
@@ -213,7 +213,7 @@ key_string_lookup_key(int key)
 	}
 
 	/* Invalid keys are errors. */
-	if (key >= 127)
+	if (key == 127 || key > 255)
 		return (NULL);
 
 	/* Check for standard or control key. */
@@ -225,7 +225,9 @@ key_string_lookup_key(int key)
 	} else if (key >= 32 && key <= 126) {
 		tmp[0] = key;
 		tmp[1] = '\0';
-	}
+	} else if (key >= 128)
+		xsnprintf(tmp, sizeof tmp, "\\%o", key);
+
 	strlcat(out, tmp, sizeof out);
 	return (out);
 }