bug#2017: marked as done (23.0.60; C-c in Rmail re-encodes quoted-printable parts)

[Emacs bug Tracking System]

Your message dated Sat, 07 Feb 2009 17:25:31 +0200
with message-id <u7i42tgk4.fsf@gnu.org>
and subject line Re: bug#2017: 23.0.60; C-c in Rmail re-encodes 
quoted-printable parts
has caused the Emacs bug report #2017,
regarding 23.0.60; C-c in Rmail re-encodes quoted-printable parts
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
bug report if necessary, and/or fix the problem forthwith.

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-- 
2017: http://emacsbugs.donarmstrong.com/cgi-bin/bugreport.cgi?bug=2017
Emacs Bug Tracking System
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> --- Begin Message ---
>
>
>
> Subject: 
>
> 23.0.60; C-c in Rmail re-encodes quoted-printable parts
>
>
>
>
> Date: 
>
> Sat, 24 Jan 2009 13:57:54 +0200
>
>
>
>
> In an Rmail buffer that holds a multi-part message with at least one
> of the parts encoded in quoted-printable:
>
>  Type `e', then make a region around the body of the part that is
>  encoded in quoted-printable, and type:
>
>    M-: (mail-unquote-printable-region (mark) (point) nil nil t) RET
>
>  The marked part is decoded as expected.  Now type `C-c', and watch
>  the Context-Type header be quoted-printable (e.g., "charset=utf-8"
>  becomes "charset=3Dutf-8").  Other `=' characters elsewhere in the
>  body of the partial message also become encoded in quoted-printable.
>
> There are 2 bugs here: (1) Rmail should not re-encode the text in any
> way, and (2) it should never touch the headers.
>
> If Emacs crashed, and you have the Emacs process in the gdb debugger,
> please include the output from the following gdb commands:
>     `bt full' and `xbacktrace'.
> If you would like to further debug the crash, please read the file
> d:/gnu/emacs/etc/DEBUG for instructions.
>
>
> In GNU Emacs 23.0.60.1 (i386-mingw-nt5.1.2600)
>  of 2009-01-24 on HOME-C4E4A596F7
> Windowing system distributor `Microsoft Corp.', version 5.1.2600
> configured using `configure --with-gcc (3.4)'
>
> Important settings:
>   value of $LC_ALL: nil
>   value of $LC_COLLATE: nil
>   value of $LC_CTYPE: nil
>   value of $LC_MESSAGES: nil
>   value of $LC_MONETARY: nil
>   value of $LC_NUMERIC: nil
>   value of $LC_TIME: nil
>   value of $LANG: ENU
>   value of $XMODIFIERS: nil
>   locale-coding-system: cp1255
>   default-enable-multibyte-characters: t
>
> Major mode: RMAIL
>
> Minor modes in effect:
>   tooltip-mode: t
>   tool-bar-mode: t
>   mouse-wheel-mode: t
>   menu-bar-mode: t
>   file-name-shadow-mode: t
>   global-font-lock-mode: t
>   font-lock-mode: t
>   blink-cursor-mode: t
>   global-auto-composition-mode: t
>   auto-composition-mode: t
>   auto-encryption-mode: t
>   auto-compression-mode: t
>   line-number-mode: t
>   transient-mark-mode: t
>
> Recent input:
> <help-echo> <help-echo> <down-mouse-1> <help-echo> 
> <drag-mouse-1> C-x 4 b <up> <M-right> <right> <M-right> 
> - <tab> <return> <help-echo> <down-mouse-1> <help-echo> 
> <mouse-movement> <drag-mouse-1> C-x o p <next> <prior> 
> C-x C-s <up> <up> <up> <up> <up> <up> <up> <up> <up> 
> <up> <up> <up> <up> <up> <next> <prior> <next> <next> 
> <next> <next> <next> <next> <next> <next> <prior> <prior> 
> <prior> <prior> <prior> <prior> <prior> <prior> e <up> 
> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up> 
> <up> <up> <help-echo> C-SPC <down> <down> <down> <down> 
> <down> <down> <down> <down> <down> <down> <down> <down> 
> <down> <down> <down> <down> <down> <down> <down> <down> 
> <down> <down> <down> M-: ( m a i l - u n q u o t e 
> - p r i n t a b l e - r e g i o n SPC ( m a r k ) S-SPC 
> ( p o i n t ) S-SPC n i l SPC n i l SPC t ) <return> 
> C-c C-c M-x r m a i l - r e d e <tab> c <tab> <tab> 
> <C-left> <C-left> <delete> p C-e <tab> C-g <help-echo> 
> <help-echo> <help-echo> C-x C-s p p n n M-: <up> C-g 
> <down> <down> <down> <down> <down> <down> <down> <down> 
> <down> <down> <down> <down> <down> <down> <down> <down> 
> <down> C-x k <return> C-u M-x <up> <up> <up> <return> 
> <up> <up> <up> <return> M-x <up> <up> <up> <return> 
> C-x o <help-echo> <down-mouse-1> <help-echo> <drag-mouse-1> 
> <help-echo> <help-echo> p p n n n p p p n n n p <down> 
> <down> <down> <down> <down> <down> <down> <down> <down> 
> <down> <down> <down> <down> <down> <down> e C-SPC <next> 
> <down> <down> <down> <down> <down> <down> <down> <down> 
> <down> <down> <down> <up> <down> C-x C-x C-x C-x M-: 
> ( <up> <return> C-x C-x C-x C-x C-c C-c M-x <up> <up> 
> <up> <up> <down> <return>
>
> Recent messages:
> Mark set
> t
> Quit
> Wrote d:/usr/eli/data/mail.in
> Quit
> Counting messages...done
> Computing summary lines...done
> No following nondeleted message
> Editing: Type C-c C-c to return to Rmail, C-c C-] to abort
> Mark set
> t
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#2017: 23.0.60; C-c in Rmail re-encodes quoted-printable parts
>
>
>
>
> Date: 
>
> Sat, 07 Feb 2009 17:25:31 +0200
>
>
>
>
> > From: Richard M Stallman <rms@gnu.org>
> > Date: Sun, 25 Jan 2009 13:14:38 -0500
> > 
> >       (setq character-coding (mail-fetch-field "content-transfer-encoding")
> > 
> > is supposed to get the encoding specified by the message header for
> > the entire message, and it ought not notice anything specified
> > in/for individual mime parts.
> > 
> > When this fails for you, what value does character-coding get?  If it
> > is non-nil, can you step thru mail-fetch-field and see how that
> > happened?
>
> The problem was that the Rmail buffer was narrowed to the entire
> message, whereas mail-fetch-field is documented to assume that the
> buffer is narrowed to just the headers.  (Similar problems were with
> calls to rmail-is-text-p and rmail-get-coding-system.)  I fixed that
> by narrowing to the headers' portion only.
>
> > Is it that the header specifies this field
> > and the message also has mime parts?
> > If so, rmail-cease-edit needs to operate only on the "body"
> > and not on any mime parts.
>
> If the header specifies content-transfer-encoding, then Rmail will
> decode the entire message body, including the MIME parts, by this
> encoding.  So it is correct to re-apply that encoding in
> rmail-cease-edit to the whole body.
>
> > In addition, rmail-cease-edit ought to check for editing done in
> > message headers, and install the edited headers into the message.
> > Ideally it should make a list of the headers initially shown
> > so that it can tell if the user deleted any headers and delete those
> > from the message.
>
> It looks like rmail-cease-edit does not support editing the headers at
> all at this time.  But that is a separate problem; I will file a new
> bug report for it.
>
>
> --- End Message ---