bug#65071: closed (29.1; RMAIL changed on disk leads to rmail-error-bad-format)

[GNU bug Tracking System]

Your message dated Sat, 12 Aug 2023 09:52:13 +0300
with message-id <83350og3c2.fsf@gnu.org>
and subject line Re: bug#65071: 29.1; RMAIL changed on disk leads to 
rmail-error-bad-format
has caused the debbugs.gnu.org bug report #65071,
regarding 29.1; RMAIL changed on disk leads to rmail-error-bad-format
to be marked as done.

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-- 
65071: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=65071
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> --- Begin Message ---
>
>
>
> Subject: 
>
> 29.1; RMAIL changed on disk leads to rmail-error-bad-format
>
>
>
>
> Date: 
>
> Fri, 04 Aug 2023 14:18:52 -0400
>
>
>
>
> In Emacs 29.1, starting with no ~/RMAIL file and empty primary mail
> spool file ('$' indicates command line terminal prompt outside Emacs):
>
>   $ mail me@foo ... # send a message to myself
>
>   emacs -Q
>
>   M-x RMAIL # retrieves/reads message
>
>   $ cat /dev/null > ~/RMAIL # clear (or otherwise modify) RMAIL file
>
>   $ mail me@foo ... # send another message to myself
>
>   M-x RMAIL
>
>   "File RMAIL changed on disk. Reread from disk? (yes or no) " yes
>
>     "rmail-error-bad-format: Message is not a valid RFC 822 (or later)
>     message" and:
>
>       mode changes from RMAIL to fundamental
>
>       ~/RMAIL file on disk looks good (proper RFC 822 file)
>
>       ~/RMAIL file as visited in buffer looks bad, can be seen (e.g.,
>         upon immediate save) to be missing top "From " and other header
>         lines ("Return-Path:", "Received:", etc.)
>
> In GNU Emacs 29.1 (build 1, aarch64-apple-darwin21.6.0, NS
>  appkit-2113.60 Version 12.6.6 (Build 21G646)) of 2023-07-30 built on
>  armbob.lan
> Windowing system distributor 'Apple', version 10.3.2113
> System Description:  macOS 12.6.8
>
> Configured using:
>  'configure --with-ns '--enable-locallisppath=/Library/Application
>  Support/Emacs/${version}/site-lisp:/Library/Application
>  Support/Emacs/site-lisp' --with-modules 'CFLAGS=-DFD_SETSIZE=10000
>  -DDARWIN_UNLIMITED_SELECT' --with-x-toolkit=no'
>
> Configured features:
> ACL GLIB GMP GNUTLS JPEG JSON LIBXML2 MODULES NOTIFY KQUEUE NS PDUMPER
> PNG RSVG THREADS TIFF TOOLKIT_SCROLL_BARS TREE_SITTER ZLIB
>
> Important settings:
>   value of $LANG: en_US.UTF-8
>   locale-coding-system: utf-8-unix
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#65071: 29.1; RMAIL changed on disk leads to rmail-error-bad-format
>
>
>
>
> Date: 
>
> Sat, 12 Aug 2023 09:52:13 +0300
>
>
>
>
> > Cc: 65071@debbugs.gnu.org
> > Date: Sun, 06 Aug 2023 09:36:45 +0300
> > From: Eli Zaretskii <eliz@gnu.org>
> > 
> > >     "File RMAIL changed on disk. Reread from disk? (yes or no) " yes RET
> > > 
> > >     "rmail-error-bad-format: Message is not a valid RFC 822 (or later)
> > >     message"; Emacs mode changes from RMAIL to Fundamental
> > > 
> > > At this point the ~/RMAIL file on disk looks good (proper RFC 822 file),
> > > but the ~/RMAIL file as visited in buffer looks bad, as can be seen
> > > (e.g., upon immediate save) to be missing top "From " and other header
> > > lines ("Return-Path:", "Received:", etc.). I have many years experience
> > > with Emacs and RMAIL and this behavior is new as of 29.1 or another very
> > > recent version of Emacs.
> > 
> > Thanks, this should be fixed now on the emacs-29 branch.  The reason
> > for the bug was a change in revert-buffer we made during Emacs 29
> > development.
>
> No comments within a week, so I assume the bug is indeed fixed, and
> I'm closing it.
>
>
> --- End Message ---