From 231a33160ed418f73dea4f0972e469c8cdd64c13 Mon Sep 17 00:00:00 2001
From: Kenichi Handa <handa@m17n.org>
Date: Sun, 26 Jan 2003 23:21:53 +0000
Subject: [PATCH] (Fformat): Add comment about the treatment of 0 as a
 multibyte character.

---
 src/editfns.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/editfns.c b/src/editfns.c
index 26d811d8f43..d5293e170c8 100644
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -3367,6 +3367,10 @@ usage: (format STRING &rest OBJECTS)  */)
 	    if (*format == 'c')
 	      {
 		if (! SINGLE_BYTE_CHAR_P (XINT (args[n]))
+		    /* Note: No one can remeber why we have to treat
+		       the character 0 as a multibyte character here.
+		       But, until it causes a real problem, let's
+		       don't change it.  */
 		    || XINT (args[n]) == 0)
 		  {
 		    if (! multibyte)
-- 
2.39.2