Re: How to use 8-bit charsets on newsgroups?

[Shigeki UNO]

Gernot Hassenpflug <gh@nospam.com> writes:

> Silly me,
>
> I am using Emacs 21.3 (MULE) under Solaris 2.8 on a Sun/SPARC Sunblade
> 150, and posting using T-Gnus 6.15.13 r00. I can't get Japanese to
> display correctly in my posts, although the message header subject
> line is correctly displayed in my posts!
>
> In my .emacs file I have euc-jp setup as the encoding:
>
> (set-language-environment 'Japanese) 
> (setq default-file-coding-system'euc-jp) 
> (set-keyboard-coding-system 'euc-jp)
> (set-terminal-coding-system 'euc-jp) 
> (set-buffer-file-coding-system'euc-jp) 
> ;; set euc for processing IO (for example, jman,ls,tcsh,...)
> (setq default-process-coding-system '(euc-jp . euc-jp))
>
> I then use the egg input method for Japanese. When I post, I get the
> warning 'post contains b-bit characters. Really post?' And if I post,
> the characters are encoded incorrectly....
>
> This is what the information on the coding system says when I am posting:
>
> | Coding system for saving this buffer:
> |   Not set locally, use the default.
> | Default coding system (for new files):
> |   nil
> | Coding system for keyboard input:
> |   E -- euc-jp (alias of japanese-iso-8bit)
> | Coding system for terminal output:
> |   E -- euc-jp (alias of japanese-iso-8bit)
> | Defaults for subprocess I/O:
> |   decoding: - -- undecided (alias: unix dos mac)
> |   encoding: 1 -- iso-latin-1 (alias: iso-8859-1 latin-1)
> | 
> | Priority order for recognizing coding systems when reading files:
> |  1. iso-latin-1 (alias: iso-8859-1 latin-1)
> |   2. iso-2022-jp (alias: junet)
> |   3. iso-2022-7bit 
> |   4. iso-2022-7bit-lock (alias: iso-2022-int-1)
> |   5. iso-2022-8bit-ss2 
> |   6. emacs-mule 
> |   7. raw-text (alias: mew-cs-text mew-cs-text-lf mew-cs-text-crlf 
> mew-cs-text-cr mew-cs-text-net)
> |   8. japanese-shift-jis (alias: shift_jis sjis)
> |   9. chinese-big5 (alias: big5 cn-big5)
> |   10. no-conversion (alias: binary)
> |   11. mule-utf-8 (alias: utf-8)
> | 
> |   Other coding systems cannot be distinguished automatically
> |   from these, and therefore cannot be recognized automatically
> |   with the present coding system priorities.
> | 
> |   The followings are decoded correctly but recognized as iso-2022-7bit-lock:
> |     iso-2022-7bit-ss2 iso-2022-7bit-lock-ss2 iso-2022-cn iso-2022-cn-ext 
> iso-2022-jp-2 iso-2022-kr
>
>
> Looking at 'charsets' in the gnus info file, I see that the
> gnus-group-posting-charset-alist and the gnus-group-charset-alist are
> as default, so iso-2022-jp-2 should be used for posting to fj* or
> japan* groups.
>
> Can anyone point out either where have I gone wrong in my setup and
> broken the encoding, or point me to where I should look for more
> information?
>
> Many thanks in advance - will you believe that I was under the
> mistaken impression gnus couldn't handle 8-bit character set
> encoding?!?!?! Hope that didn't ruin any keyboards :-)
> -- 
> G Hassenpflug RASC, Kyoto University

I don't use T-Gnus but does this help you?

(setq mm-body-charset-encoding-alist
      '((iso-2022-jp . 7bit) (iso-2022-jp-2 . 7bit)))


HTH,
---
Shigeki UNO