>>>>> In <vaf1y8g5yck.fsf@INBOX.auto.gnus.tok.lucy.cs.uni-dortmund.de>
>>>>>	Kai.Grossjohann@CS.Uni-Dortmund.DE (Kai Großjohann) wrote:

>> So, I recommend Japanese Gnus users customize the option
>> `mm-coding-system-priorities' to have popular Japanese charsets
>> as follows:
>>
>> (setq mm-coding-system-priorities
>>       '(iso-2022-jp iso-2022-jp-2 japanese-shift-jis utf-8))

Kai> Why are euc-jp and euc-jisx0213 missing from this list?  (Maybe
Kai> they are different names for an encoding already in the above
Kai> list?)

Yes, there's not euc-jp.  Saying beforehand, I'm not so detailed
to characters.  Before MIME generally spread, iso-2022-jp and
similar 7-bit codes were used in Japan without using any
designator.  It would be the cause that iso-2022-jp is generally
used even now, and any codes other than iso-2022-jp cannot be
read in very old MUAs.

iso-2022-jp-2 is for Japanese extra characters including a part
of Korean symbols like: