03/05/20 12:15 Zc6oaWDU
kmailに日本製のコードが入ったときの経緯の記録があった。
ガイジンの開発者はなにが問題なのかよくわからず
説明を受けてやっと納得した様子。
Bug 48760:
Content-Transfer-Encoding of message becomes 8bit
even if the message is encoded 7bit-encoding (normal)
URLﾘﾝｸ(bugs.kde.org)
Opened:2002-10-06 04:47
Product:kmail
Component:mime
Version:unspecified
Status:RESOLVED
> Content-Transfer-Encoding of message becomes 8bit even if the message is
> encoded 7bit-encoding such as iso-2022-jp.
iso-2022-jp is not a 7bit encoding. It's 8bit.
> To solve this problem, I made the following patch.
What is the problem?
> iso-2022-jp is 7bit encoding (see the rfc1468).
Ah, OK. The UTF-7 of Japan ;-)
> Almost all MUA
> currently used in Japan is also transmitted by 7 bit. Moreover, if
> content-transfer-encoding of the mail written in Japanese is 8 bit
> and quoted-printable, MUA which cannot be read exactly also exists.
Ugh.