From 27bfb56ad5e19afa686ed6a99bf8b205fac98aef Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Thu, 23 May 2019 14:03:44 +0000
Subject: Break the argument escaping code into a separate function and use it
 to escape key bindings in list-keys. Also escape ~ and ; and $ properly.

---
 utf8.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'utf8.c')

diff --git a/utf8.c b/utf8.c
index 08990634..29bbfa9e 100644
--- a/utf8.c
+++ b/utf8.c
@@ -18,6 +18,7 @@
 
 #include <sys/types.h>
 
+#include <ctype.h>
 #include <errno.h>
 #include <stdlib.h>
 #include <string.h>
@@ -182,7 +183,11 @@ utf8_strvis(char *dst, const char *src, size_t len, int flag)
 			/* Not a complete, valid UTF-8 character. */
 			src -= ud.have;
 		}
-		if (src < end - 1)
+		if (src[0] == '$' && src < end - 1) {
+			if (isalpha((u_char)src[1]) || src[1] == '_')
+				*dst++ = '\\';
+			*dst++ = '$';
+		} else if (src < end - 1)
 			dst = vis(dst, src[0], flag, src[1]);
 		else if (src < end)
 			dst = vis(dst, src[0], flag, '\0');
-- 
cgit