From 158bc127a35ef48e8a3c1dc510aababb8abdb676 Mon Sep 17 00:00:00 2001
From: default <nobody@localhost>
Date: Wed, 8 Mar 2023 03:55:10 +0100
Subject: [PATCH] Show Unicode symbols for replaced control codes.

---
 xs_json.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xs_json.h b/xs_json.h
index 36a0665..c171172 100644
--- a/xs_json.h
+++ b/xs_json.h
@@ -260,9 +260,9 @@ static xs_val *_xs_json_loads_lexer(const char **json, js_type *t)
                     else
                         cp = i;
 
-                    /* replace dangerous control codes with the replacement char */
+                    /* replace dangerous control codes with their visual representations */
                     if (cp >= '\0' && cp < ' ' && !strchr("\r\n\t", cp))
-                        cp = 0xfffd;
+                        cp += 0x2400;
 
                     v = xs_utf8_enc(v, cp);
                     c = '\0';