GNU bug report logs - #12092
24.1; Completion cycling completely broken in shell

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

From: Milan Zamazal <pdm <at> zamazal.org>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.1; Completion cycling completely broken in shell
Date: Mon, 30 Jul 2012 13:24:40 +0200

When completion-cycle-threshold is set to a non-nil value, completion
starts doing weird things in interactive shells and becomes unusable.
Just one example:

  M-x set-variable RET completion-cycle-threshold RET t RET   (enable completion cycling)
  M-x shell RET   (start an interactive shell)
  cd /usr/   (type in a partial command line)
  TAB   (initial completion; `../ ' is inserted which is fine)
  TAB   (repeated completion; `../ ' is replaced with `.' and an error is signalled)

The error message is something like:

  minibuffer-force-complete: Args out of range: 615, 618


In GNU Emacs 24.1.1 (x86_64-pc-linux-gnu, GTK+ Version 2.24.10)
 of 2012-06-29 on trouble, modified by Debian
Windowing system distributor `The X.Org Foundation', version 11.0.11201902
Configured using:
 `configure '--build' 'x86_64-linux-gnu' '--build' 'x86_64-linux-gnu'
 '--prefix=/usr' '--sharedstatedir=/var/lib' '--libexecdir=/usr/lib'
 '--localstatedir=/var/lib' '--infodir=/usr/share/info'
 '--mandir=/usr/share/man' '--with-pop=yes'
 '--enable-locallisppath=/etc/emacs24:/etc/emacs:/usr/local/share/emacs/24.1/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/24.1/site-lisp:/usr/share/emacs/site-lisp'
 '--with-crt-dir=/usr/lib/x86_64-linux-gnu' '--with-x=yes'
 '--with-x-toolkit=gtk' '--with-toolkit-scroll-bars'
 'build_alias=x86_64-linux-gnu' 'CFLAGS=-g -O2 -fstack-protector
 --param=ssp-buffer-size=4 -Wformat -Werror=format-security -Wall -O2'
 'CPPFLAGS=-D_FORTIFY_SOURCE=2''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: cs_CZ.UTF-8
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: C
  value of $XMODIFIERS: nil
  locale-coding-system: utf-8-unix
  default enable-multibyte-characters: t

Message #10 received at 12092 <at> debbugs.gnu.org (full text, mbox):

From: Chong Yidong <cyd <at> gnu.org>
To: Milan Zamazal <pdm <at> zamazal.org>
Cc: 12092 <at> debbugs.gnu.org
Subject: Re: bug#12092: 24.1; Completion cycling completely broken in shell
Date: Mon, 17 Sep 2012 22:47:33 +0800

Milan Zamazal <pdm <at> zamazal.org> writes:

>   M-x set-variable RET completion-cycle-threshold RET t RET   (enable completion cycling)
>   M-x shell RET   (start an interactive shell)
>   cd /usr/   (type in a partial command line)
>   TAB   (initial completion; `../ ' is inserted which is fine)
>   TAB   (repeated completion; `../ ' is replaced with `.' and an error is signalled)

I've committed a fix for this particular bug.  Bug#12221 still remains a
problem, but that is a slightly different issue.

Message #17 received at 12092 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> IRO.UMontreal.CA>
To: Chong Yidong <cyd <at> gnu.org>
Cc: Milan Zamazal <pdm <at> zamazal.org>, 12092 <at> debbugs.gnu.org
Subject: Re: bug#12092: 24.1; Completion cycling completely broken in shell
Date: Mon, 17 Sep 2012 13:00:59 -0400

> I've committed a fix for this particular bug.  Bug#12221 still remains a
> problem, but that is a slightly different issue.

Yes, for 12221 the completion-in-region-mode needs to be improved.
Still on my TODO, and definitely needs to be fixed for 24.3.


        Stefan

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