(copy_text): To convert a non-ASCII char to unibyte,

just get the low 8-bit of the code.

src/ChangeLog

 2008-12-30  Kenichi Handa  <handa@m17n.org>
 
+	* insdel.c (copy_text): To convert a non-ASCII char to unibyte,
+	just get the low 8-bit of the code.
+
 	* font.c (font_intern_prop): Validate str as multibyte.
 
 2008-12-29  Dan Nicolaescu  <dann@ics.uci.edu>

src/insdel.c

@@ -655,8 +655,8 @@ copy_text (from_addr, to_addr, nbytes,
 	{
 	  int thislen, c;
 	  c = STRING_CHAR_AND_LENGTH (from_addr, bytes_left, thislen);
-	  if (!ASCII_CHAR_P (c))
-	    c = multibyte_char_to_unibyte (c, tbl);
+	  if (! ASCII_CHAR_P (c))
+	    c &= 0xFF;
 	  *to_addr++ = c;
 	  from_addr += thislen;
 	  bytes_left -= thislen;