GNU bug report logs - #38818
Dired: mention deleting buffers, not just windows

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Message #101 received at 38818 <at> debbugs.gnu.org (full text, mbox):

From: Pieter van Oostrum <pieter-l <at> vanoostrum.org>
To: Richard Stallman <rms <at> gnu.org>
Cc: michael_heerdegen <at> web.de, 38818 <at> debbugs.gnu.org,
 Dan Jacobson <jidanni <at> jidanni.org>
Subject: Re: bug#38818: Dired: mention deleting buffers, not just windows
Date: Sun, 05 Jan 2020 09:06:48 +0100

And, by the way, that message arrived here with the CJK characters in Dan Jacobson's name mangled. Whereas the normally are 積丹尼, they now are <some unprintable characters>, and message-send-mail crashes on it.

Debugger entered--Lisp error: (cl-assertion-failed ((save-excursion (goto-char (point-min)) (not (re-search-forward "[^\0-\377]" nil t))) nil))
  cl--assertion-failed((save-excursion (goto-char (point-min)) (not (re-search-forward "[^\0-\377]" nil t))))
  message-send-mail(nil)
  message-send-via-mail(nil)

The raw header is:

To: =?iso-8859-1?Q?=E7=A9=8D=E4=B8=B9=E5=B0=BC?= Dan Jacobson
 <jidanni <at> jidanni.org>
which translates to unprintable characters, which cause this error.
Normally it would be
From: =?UTF-8?Q?=E7=A9=8D=E4=B8=B9=E5=B0=BC?= Dan Jacobson
so it seems to be a mixup of encodings on RMS's side.

When these unprintable characters re in the message body, you get an error message with a choice:

Non-printable characters found.  Continue sending? (delete, replace, send, edit, ?):

but when they are in the header it just bails out with an uncomprehensible error
cl--assertion-failed: Assertion failed: (save-excursion (goto-char (point-min)) (not (re-search-forward "[^.-ÿ]" nil t)))
which isn't helpful at all.
-- 
Pieter van Oostrum
www: http://pieter.vanoostrum.org/
PGP key: [8DAE142BE17999C4]

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