From cc9fce814c4ca4ea79227bb5d32afc17166740f6 Mon Sep 17 00:00:00 2001
From: SHIRAKATA Kentaro <argrath@ub32.org>
Date: Thu, 2 Sep 2021 17:22:11 +0900
Subject: [PATCH] add utf-8 source detection

---
 japanese/jlib.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/japanese/jlib.c b/japanese/jlib.c
index 0777da2..c6977be 100644
--- a/japanese/jlib.c
+++ b/japanese/jlib.c
@@ -34,7 +34,8 @@ static const char* ccode_alt[]={
 /* internal kcode */
 /* IC=0 EUC */
 /* IC=1 SJIS */
-#define IC ((unsigned char)("Š¿"[0])==0x8a)
+/* IC=2 UTF8 */
+#define IC ((((unsigned char)("Š¿"[0])==0xe6) ? 2 : ((unsigned char)("Š¿"[0])==0x8a)))
 
 /* default input kcode */
 #ifndef INPUT_KCODE
-- 
2.11.0