From 38b62842a11aefbdb1cf572de04e5ee3d0957868 Mon Sep 17 00:00:00 2001
From: Kenichi Handa <handa@m17n.org>
Date: Fri, 7 Aug 1998 05:04:36 +0000
Subject: [PATCH] (internal_self_insert): If enable-multibyte-characters is
 nil, convert a multibyte character to unibyte appropriately.

---
 src/cmds.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/cmds.c b/src/cmds.c
index f91f91b0bc1..f705f147727 100644
--- a/src/cmds.c
+++ b/src/cmds.c
@@ -356,8 +356,13 @@ internal_self_insert (c, noautofill)
       len = CHAR_STRING (c, workbuf, str);
     }
   else
-    workbuf[0] = c, str = workbuf, len = 1;
-
+    {
+      workbuf[0] = (SINGLE_BYTE_CHAR_P (c)
+		    ? c
+		    : multibyte_char_to_unibyte (c, Qnil));
+      str = workbuf;
+      len = 1;
+    }
   if (!NILP (overwrite)
       && PT < ZV)
     {
-- 
2.39.2