Japanese and UTF8

[IIDA Yosiaki]

Werner Koch <wk@gnupg.org> writes:
>>* To assume outside is also UTF-8, but we do convert from/to
>>printable ASCII (with technique such as in RFC 2253).
>Do you mean to escape all non 7bit characters like "\dd" ?
>I wonder why the don't suggest to use "\xdd".

  I don't stick to \dd.  The point is that the outside is
ASCII physically, but it can be intrepretable as other
charset logically.  So I suggest \xdd also.

>There is still one problem:  Are there any control characters outside
>of the 0..127 range?  I assume yes and than I need a way to test for

  128 through 159 is C1 control in most environment
(but not all )-: .
--
  iida