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-rw-r--r--src/editfns.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/editfns.c b/src/editfns.c
index 26d811d8f4..d5293e170c 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)