return ((c >= 0x0009 && c <= 0x000d) || (c >= 0x0020 && c <= 0x002f)
return ((c >= 0x0021 && c <= 0x002f)
  private final boolean is_special (char c)  {    // Rules from JCL book.    return ((c >= 0x0009 && c <= 0x000d)	    || (c >= 0x0020 && c <= 0x002f)	    || (c >= 0x003a && c <= 0x0040)	    || (c >= 0x005b && c <= 0x0060)	    || (c >= 0x007b && c <= 0x007e));  }