signal_simple_error ("Invalid argument", attributes);
if (!NILP (ccs = Ffind_charset (Fcar (cell)))
&& ((XCHARSET_FINAL (ccs) != 0) ||
- (XCHARSET_UCS_MAX (ccs) > 0)) )
+ (XCHARSET_MAX_CODE (ccs) > 0) ||
+ (EQ (ccs, Vcharset_chinese_big5))) )
{
cell = Fcdr (cell);
if (CONSP (cell))