(Fmap_charset_chars): In docstring, state clear that

FROM-CODE and TO-CODE are codepoints of CHARSET.

src/ChangeLog

+2009-06-09  Kenichi Handa  <handa@m17n.org>
+
+	* charset.c (Fmap_charset_chars): In docstring, state clearly that
+	FROM-CODE and TO-CODE are codepoints of CHARSET.
+
 2009-06-08  Adrian Robert  <Adrian.B.Robert@gmail.com>
 	* nsterm.m (ns_use_system_highlight_color): Drop, unused.

src/charset.c

@@ -830,7 +830,7 @@ RANGE is a cons (FROM .  TO), where FROM and TO indicate a range of
 characters contained in CHARSET.
 
 The optional 4th and 5th arguments FROM-CODE and TO-CODE specify the
-range of code points of target characters.  */)
+range of code points (in CHARSET) of target characters.  */)
      (function, charset, arg, from_code, to_code)
        Lisp_Object function, charset, arg, from_code, to_code;
 {