* src/charset.c (char_charset): Document an exception for char-charset.

2 files changed, 6 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 069a9885b4c..b4d1c2b67df 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,7 @@
+2013-09-12  Xue Fuqiao  <xfq.free@gmail.com>
+
+        * charset.c (char_charset): Document an exception for char-charset.
+
 2013-09-12  Dmitry Antipov  <dmantipov@yandex.ru>
 
         * xterm.h (x_display_info): New field last_user_time...
diff --git a/src/charset.c b/src/charset.c
index eedf65faa6c..d46cb445f85 100644
--- a/src/charset.c
+++ b/src/charset.c
@@ -2053,6 +2053,8 @@ CH in the charset.  */)
 
 DEFUN ("char-charset", Fchar_charset, Schar_charset, 1, 2, 0,
        doc: /* Return the charset of highest priority that contains CH.
+ASCII characters are an exception: for them, this function always
+returns `ascii'.
 If optional 2nd arg RESTRICTION is non-nil, it is a list of charsets
 from which to find the charset.  It may also be a coding system.  In
 that case, find the charset from what supported by that coding system.  */)