GNU bug report logs - #9158
24.0.50; Regression in e-mail heade completion

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Ivan Kanis <ivan.kanis <at> googlemail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.0.50; Regression in e-mail heade completion
Date: Sat, 23 Jul 2011 18:49:41 +0200

This bug report will be sent to the Bug-GNU-Emacs mailing list
and the GNU bug tracker at debbugs.gnu.org.  Please check that
the From: line contains a valid email address.  After a delay of up
to one day, you should receive an acknowledgement at that address.

Please write in English if possible, as the Emacs maintainers
usually do not have translators for other languages.

Please describe exactly what actions triggered the bug, and
the precise symptoms of the bug.  If you can, give a recipe
starting from `emacs -Q':

I have bbdb installed.

1) start composing an e-mail
2) in the To: field start writing a recipient that will not complete
3) Press tab

I get the message "completion for "foo" unfound" which is fine. The bug
is that the cursor moves forward several spaces. Apparently
indent-relative gets called when it shouldn't.

I expected the cursor to remain at the end of the entry that did not
match. It worked fine on 23.3.

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'.
For information about debugging Emacs, please read the file
/home/ubuntu/emacs-bzr/share/emacs/24.0.50/etc/DEBUG.


In GNU Emacs 24.0.50.8 (i686-pc-linux-gnu, GTK+ Version 2.22.0)
 of 2011-07-22 on tao
Windowing system distributor `The X.Org Foundation', version 11.0.10900000
configured using `configure  '--prefix=/home/ubuntu/emacs-bzr''

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: fr_FR.UTF-8
  value of $XMODIFIERS: nil
  locale-coding-system: utf-8-unix
  default enable-multibyte-characters: t

Major mode: Emacs-Lisp

Minor modes in effect:
  icomplete-mode: t
  erc-track-mode: t
  erc-track-minor-mode: t
  show-paren-mode: t
  eldoc-mode: t
  outline-minor-mode: t
  tracking-mode: t
  erc-ring-mode: t
  erc-netsplit-mode: t
  erc-match-mode: t
  erc-pcomplete-mode: t
  erc-button-mode: t
  erc-fill-mode: t
  erc-stamp-mode: t
  erc-autojoin-mode: t
  erc-spelling-mode: t
  erc-irccontrols-mode: t
  erc-noncommands-mode: t
  erc-scrolltobottom-mode: t
  global-auto-complete-mode: t
  auto-complete-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t

Recent input:
<insert> <up> M-i e w <insert> <down> <tab> C-p C-a 
M-j d C-o g <down> <down> <down> <down> <down> <down> 
<down> <down> <up> <up> <up> <up> <up> <S-right> <up> 
<up> <up> <up> <up> <up> <up> M-j d <down> <down> <down> 
M-j d <up> <up> M-j d M-i t <S-iso-lefttab> <up> <tab> 
<down> <down> <down> <down> <down> <tab> C-x m f o 
<tab> <backspace> <backspace> <tab> <backspace> <backspace> 
<tab> <backspace> <backspace> C-h k <tab> C-o <tab> 
<return> M-1 <insert> <insert> <M-insert> <M-insert> 
<M-insert> <insert> C-x m C-n C-n C-n C-n C-h k <tab> 
<insert> M-1 C-x C-f C-g M-1 M-2 C-x C-f <backspace> 
<backspace> <backspace> <backspace> <backspace> <backspace> 
e m a c <return> 2 <backspace> <backspace> s r c <return> 
e m C-n <right> <right> <return> <return> g n <return> 
m e <return> C-s m e s s a g e - t a b C-s C-s C-s 
C-a <down> <down> <down> <down> <down> <down> <down> 
<down> <down> C-o C-n C-n C-n C-n C-n C-n C-n C-n C-n 
C-n M-1 M-2 <insert> C-o C-n C-n C-n C-n C-n C-n C-p 
C-p C-n C-e M-j d <insert> <insert> <insert> C-p C-p 
C-p C-p C-p C-p <tab> g C-g C-e f o <tab> n n n n n 
n n n n n n n n n n C-] M-k M-k y C-o <down> <down> 
<down> <down> C-e <left> C-o C-x b <return> <left> 
<left> <right> <left> <right> C-x m M-k M-k <help-echo> 
<down-mouse-1> <mouse-1> M-2 <insert> <insert> <up> 
<up> <up> <up> <down> <down> <up> <up> <up> <up> <up> 
<up> <up> <down> <down> <down> <down> <down> <up> <up> 
<up> <right> <right> <right> <right> <right> <right> 
<right> <left> M-k C-g C-g M-k p p M-1 M-x C-g <help-echo> 
<help-echo> <help-echo> M-i s M-x r p <backspace> e 
p o - e - b <return>

Recent messages:

Result: nil

Result: nil

call-interactively: No recursive edit is in progress
Buffer *unsent mail*<3> modified; kill anyway? (y or n)  y
Ivan
QuitError during redisplay: (quit)
Quit

Load-path shadows:
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/home/ubuntu/.emacs.d/org/org-gnus hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/org-gnus
/home/ubuntu/.emacs.d/org/org-freemind hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/org-freemind
/home/ubuntu/.emacs.d/org/org-footnote hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/org-footnote
/home/ubuntu/.emacs.d/org/org-feed hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/org-feed
/home/ubuntu/.emacs.d/org/org-faces hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/org-faces
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/home/ubuntu/.emacs.d/org/org-exp-blocks hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/org-exp-blocks
/home/ubuntu/.emacs.d/org/ob-sqlite hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/ob-sqlite
/home/ubuntu/.emacs.d/org/ob-perl hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/ob-perl
/home/ubuntu/.emacs.d/org/ob-gnuplot hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/ob-gnuplot
/home/ubuntu/.emacs.d/org/ob-octave hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/ob-octave
/home/ubuntu/.emacs.d/org/ob-ocaml hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/ob-ocaml
/home/ubuntu/.emacs.d/org/ob-mscgen hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/ob-mscgen
/home/ubuntu/.emacs.d/org/ob-matlab hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/ob-matlab
/home/ubuntu/.emacs.d/org/ob-lob hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/ob-lob
/home/ubuntu/.emacs.d/org/ob-latex hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/ob-latex
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/home/ubuntu/.emacs.d/org/ob-ref hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/ob-ref
/home/ubuntu/.emacs.d/org/ob-R hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/ob-R
/home/ubuntu/.emacs.d/org/ob-python hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/ob-python
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/home/ubuntu/.emacs.d/org/org-macs hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/org-macs
/home/ubuntu/.emacs.d/org/org-mac-message hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/org-mac-message
/home/ubuntu/.emacs.d/org/org-list hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/org-list
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/home/ubuntu/.emacs.d/org/org-datetree hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/org-datetree
/home/ubuntu/.emacs.d/org/org-ctags hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/org-ctags
/home/ubuntu/.emacs.d/org/org-crypt hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/org-crypt
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/home/ubuntu/.emacs.d/org/org-colview hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/org-colview
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/home/ubuntu/.emacs.d/org/ob-exp hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/ob-exp
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/home/ubuntu/.emacs.d/org/ob-emacs-lisp hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/ob-emacs-lisp
/home/ubuntu/.emacs.d/org/ob-dot hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/ob-dot
/home/ubuntu/.emacs.d/org/ob-ditaa hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/ob-ditaa
/home/ubuntu/.emacs.d/org/ob-css hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/ob-css
/home/ubuntu/.emacs.d/org/ob-comint hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/ob-comint
/home/ubuntu/.emacs.d/org/ob-clojure hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/ob-clojure
/home/ubuntu/.emacs.d/org/ob-C hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/org/ob-C
/home/ubuntu/.emacs.d/misc/erc-goodies hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/erc/erc-goodies
/home/ubuntu/.emacs.d/emms/tq hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/emacs-lisp/tq
~/tmp/find-func hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/emacs-lisp/find-func
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/home/ubuntu/.emacs.d/misc/sym-comp hides /home/ubuntu/emacs-bzr/share/emacs/24.0.50/lisp/obsolete/sym-comp

Features:
(shadow emacsbug cl-specs edebug bbdb-snarf bbdb-gui info epa derived
epg url-http url-auth url-gw twittering-mode url url-proxy url-privacy
url-expand url-methods url-history url-cookie rect debug dired-aux
gnus-dired ffap cal-move mailalias smtpmail sendmail verbiste hashcash
cookie1 bbdb-picture bbdb-com bbdb gnus-fun smiley ansi-color gnus-cite
mail-extr qp gnus-async gnus-bcklg gnus-dup gnus-ml gnus-topic pop3
nndraft nnmh nnml nnfolder parse-time rot13 disp-table netrc gnutls
gnus-agent gnus-srvr gnus-score score-mode nnvirtual gnus-msg nntp
gnus-cache gnus-art mm-uu mml2015 epg-config mm-view mml-smime smime dig
mailcap nnir gnus-sum nnoo gnus-group gnus-undo nnmail mail-source
gnus-start gnus-spec gnus-int gnus-range message rfc822 mml mml-sec
mm-decode mm-bodies mm-encode mail-parse rfc2231 rfc2047 rfc2045
ietf-drums mailabbrev gmm-utils mailheader gnus-win gnus gnus-ems
nnheader mail-utils w3m-form w3m-symbol mule-util w3m-bookmark
w3m-tabmenu w3m-session w3m-search w3m doc-view jka-compr image-mode
timezone w3m-hist w3m-fb w3m-ems w3m-ccl ccl w3m-favicon w3m-image
w3m-proc w3m-util newcomment swbuff pomodoro icomplete skeleton vc-hg
sh-script executable ido uniquify multi-isearch bookmark tabify
org-capture org-mks erc-track japan-util kkc ja-dic-utl quail help-mode
view paren eldoc init emms-player-mplayer emms-player-simple url-util
url-parse url-vars emms-mark emms-info-mp3info emms-tag-editor
emms-setup emms-browser sort emms-playlist-sort emms-score emms-cache
emms-info later-do emms-playlist-mode emms-source-playlist
emms-source-file dired-x dired emms emms-compat appt diary-lib
diary-loaddefs cal-iso autoinsert org-wl org-w3m org-vm org-rmail
org-mhe org-mew org-irc org-jsinfo org-infojs org-html org-exp ob-exp
org-exp-blocks org-info org-gnus org-docview org-bibtex org-bbdb
org-agenda org advice help-fns advice-preload ob-emacs-lisp ob-keys
ob-comint ob-tangle ob-ref ob-lob ob-table ob org-footnote org-src
org-list org-faces org-compat org-entities org-macs noutline outline
cal-menu calendar cal-loaddefs garak notify dbus-util dbus xml
tree-widget elim warnings browse-url cl lui tracking incomplete
network-stream auth-source eieio byte-opt bytecomp byte-compile cconv
macroexp assoc gnus-util mm-util mail-prsvr password-cache starttls tls
erc-ring comint erc-netsplit erc-match erc-pcomplete pcomplete
erc-button erc-fill erc-stamp erc-join erc-spelling flyspell ispell
erc-goodies erc erc-backend erc-compat format-spec thingatpt pp xcscope
ivan-w3m ivan-term ivan-slime ivan-re-builder ivan-org ivan-newsticker
ivan-muse ivan-message ivan-japanese ivan-gnus ivan-french easy-mmode
ivan-english ivan-emms ivan-elim ivan-comint bs ivan-bbdb ivan-anki
tex-site ring caps-mode ivan-common-code saveplace auto-complete-config
auto-complete popup regexp-opt rx cus-edit easymenu cus-start cus-load
wid-edit ivan-var ivan-keymap edmacro kmacro ivan-fun find-func
ivan-face ivan-load time-date tooltip ediff-hook vc-hooks
lisp-float-type mwheel x-win x-dnd tool-bar dnd fontset image fringe
lisp-mode register page menu-bar rfn-eshadow timer select scroll-bar
mouse jit-lock font-lock syntax facemenu font-core frame cham georgian
utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean
japanese hebrew greek romanian slovak czech european ethiopic indian
cyrillic chinese case-table epa-hook jka-cmpr-hook help simple abbrev
minibuffer loaddefs button faces cus-face files text-properties overlay
sha1 md5 base64 format env code-pages mule custom widget
hashtable-print-readable backquote make-network-process dbusbind
dynamic-setting system-font-setting font-render-setting move-toolbar gtk
x-toolkit x multi-tty emacs)

-- 
Ivan Kanis
http://kanis.fr

Computer games don't affect kids; I mean if Pac-Man affected us as
kids, we'd all be running around in darkened rooms, munching magic
pills and listening to repetitive electronic music.
    -- Kristian Wilson 

Message #8 received at 9158 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Ivan Kanis <ivan.kanis <at> googlemail.com>
Cc: 9158 <at> debbugs.gnu.org
Subject: Re: bug#9158: 24.0.50; Regression in e-mail heade completion
Date: Mon, 22 Aug 2011 17:22:08 -0400

tags 9158 wontfix
thanks

> I get the message "completion for "foo" unfound" which is fine. The bug
> is that the cursor moves forward several spaces.  Apparently
> indent-relative gets called when it shouldn't.
> I expected the cursor to remain at the end of the entry that did not
> match.  It worked fine on 23.3.

The way the new code works can't handle this correctly because the BBDB
code doesn't indicate that something happened: it just always returns nil
whether something was done or not.
The new BBDB-3 has fixed this, AFAIK, so you may want to try that out.


        Stefan

Message #13 received at 9158 <at> debbugs.gnu.org (full text, mbox):

From: Ivan Kanis <ivan.kanis <at> googlemail.com>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 9158 <at> debbugs.gnu.org
Subject: Re: bug#9158: 24.0.50; Regression in e-mail heade completion
Date: Wed, 31 Aug 2011 15:00:49 +0200

Stefan Monnier <monnier <at> iro.umontreal.ca> wrote:

>> I get the message "completion for "foo" unfound" which is fine. The bug
>> is that the cursor moves forward several spaces.  Apparently
>> indent-relative gets called when it shouldn't.
>> I expected the cursor to remain at the end of the entry that did not
>> match.  It worked fine on 23.3.
>
> The way the new code works can't handle this correctly because the BBDB
> code doesn't indicate that something happened: it just always returns nil
> whether something was done or not.
> The new BBDB-3 has fixed this, AFAIK, so you may want to try that out.

Hi Stefan,

I have just installed bbdb 3. It doesn't fix it. I'll reopen the bug
because it's a regression.

Take care,
-- 
Ivan Kanis
http://kanis.fr

It's not always the actual work that is the hardest part of a job and
success—it's the decisions, compromises and choices that need to be
made.
    -- Barbara Abrams Mintzer

Message #16 received at 9158 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Ivan Kanis <ivan.kanis <at> googlemail.com>
Cc: 9158 <at> debbugs.gnu.org
Subject: Re: bug#9158: 24.0.50; Regression in e-mail heade completion
Date: Fri, 21 Oct 2011 18:57:04 -0400

>>> I get the message "completion for "foo" unfound" which is fine. The bug
>>> is that the cursor moves forward several spaces.  Apparently
>>> indent-relative gets called when it shouldn't.
>>> I expected the cursor to remain at the end of the entry that did not
>>> match.  It worked fine on 23.3.
>> The way the new code works can't handle this correctly because the BBDB
>> code doesn't indicate that something happened: it just always returns nil
>> whether something was done or not.
>> The new BBDB-3 has fixed this, AFAIK, so you may want to try that out.
> I have just installed bbdb 3.  It doesn't fix it.  I'll reopen the bug
> because it's a regression.

After looking into it some more, I realized that it's actually behaving
as designed, but not as documented in the docstring.

Could you try the patch below?


        Stefan


=== modified file 'lisp/gnus/message.el'
--- lisp/gnus/message.el	2011-10-11 13:02:03 +0000
+++ lisp/gnus/message.el	2011-10-21 22:54:20 +0000
@@ -7892,7 +7892,11 @@
 		(let ((mail-abbrev-mode-regexp (caar alist)))
 		  (not (mail-abbrev-in-expansion-header-p))))
       (setq alist (cdr alist)))
-    (cdar alist)))
+    (when (cdar alist)
+      (lexical-let ((fun (cdar alist)))
+        ;; Even if completion fails, return a non-nil value, so as to avoid
+        ;; falling back to message-tab-body-function.
+        (lambda () (funcall fun) 'completion-attempted)))))
 
 (defun message-debbugs-completion ()
   (save-excursion

Message #21 received at 9158-done <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: 9158-done <at> debbugs.gnu.org
Subject: Re: bug#9158: 24.0.50; Regression in e-mail heade completion
Date: Wed, 26 Oct 2011 13:28:11 -0400

> Could you try the patch below?

Fixes it for me,


        Stefan

Message #24 received at 9158 <at> debbugs.gnu.org (full text, mbox):

From: Ivan Kanis <ivan.kanis <at> googlemail.com>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 9158 <at> debbugs.gnu.org
Subject: Re: bug#9158: 24.0.50; Regression in e-mail heade completion
Date: Thu, 03 Nov 2011 11:05:06 +0100

Stefan Monnier <monnier <at> iro.umontreal.ca> wrote:

>>>> I get the message "completion for "foo" unfound" which is fine. The bug
>>>> is that the cursor moves forward several spaces.  Apparently
>>>> indent-relative gets called when it shouldn't.
>>>> I expected the cursor to remain at the end of the entry that did not
>>>> match.  It worked fine on 23.3.
>>> The way the new code works can't handle this correctly because the BBDB
>>> code doesn't indicate that something happened: it just always returns nil
>>> whether something was done or not.
>>> The new BBDB-3 has fixed this, AFAIK, so you may want to try that out.
>> I have just installed bbdb 3.  It doesn't fix it.  I'll reopen the bug
>> because it's a regression.
>
> After looking into it some more, I realized that it's actually behaving
> as designed, but not as documented in the docstring.

I see you've commited the patch in bzr. It works, thanks!
-- 
Ivan Kanis
http://kanis.fr

What we obtain too cheap, we esteem too lightly. It is dearness only
that gives everything its value.
    -- Thomas Paine

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