GNU bug report logs - #6160
24.0.50; partial completion of emacs commands doesn't work

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

From: Jose Antonio Ortega Ruiz <jaortega <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Cc: rfrancoise <at> debian.org
Subject: 24.0.50; partial completion of emacs commands doesn't work
Date: Mon, 10 May 2010 21:34:31 +0200

As mentioned in the subject, and although `completion-styles' seems to
have the correct value (it contains basic, partial-completion and
emacs22), partial completion seems broken for elisp commands: if one
tries any partial name including dashes in the minibuffer
(e.g. M-x rep-em-TAB), the completion key provokes a [No match] error
(in the example, i would have expected report-emacs-bug as a completion).


In GNU Emacs 24.0.50.1 (i486-pc-linux-gnu, GTK+ Version 2.20.1)
 of 2010-05-10 on elegiac, modified by Debian
 (emacs-snapshot package, version 1:20100510-1)
configured using `configure  '--build' 'i486-linux-gnu' '--host' 'i486-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib' '--libexecdir=/usr/lib' '--localstatedir=/var' '--infodir=/usr/share/info' '--mandir=/usr/share/man' '--with-pop=yes' '--enable-locallisppath=/etc/emacs-snapshot:/etc/emacs:/usr/local/share/emacs/24.0.50/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/24.0.50/site-lisp:/usr/share/emacs/site-lisp' '--with-x=yes' '--with-x-toolkit=gtk' 'build_alias=i486-linux-gnu' 'host_alias=i486-linux-gnu' 'CFLAGS=-DDEBIAN -DSITELOAD_PURESIZE_EXTRA=5000 -g -O2' 'LDFLAGS=-g -Wl,--as-needed' 'CPPFLAGS=''

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

Major mode: Lisp Interaction

Minor modes in effect:
  tooltip-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-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
  transient-mark-mode: t

Recent input:
ESC x r e p o r TAB C-a C-k r e - e m TAB DEL DEL DEL 
p o TAB r TAB RET

Recent messages:
("emacs")
For information about GNU Emacs and the GNU system, type C-h C-a.
Making completion list...

Load-path shadows:
/etc/emacs/site-start hides /usr/local/share/emacs/site-lisp/site-start
/usr/share/emacs/24.0.50/site-lisp/debian-startup hides /usr/share/emacs/site-lisp/debian-startup
/usr/share/emacs/24.0.50/site-lisp/cmake-data/cmake-mode hides /usr/share/emacs/site-lisp/cmake-mode
/usr/local/share/emacs/site-lisp/cedet/speedbar/sb-image hides /usr/share/emacs/24.0.50/lisp/sb-image
/usr/local/share/emacs/site-lisp/cedet/speedbar/dframe hides /usr/share/emacs/24.0.50/lisp/dframe
/usr/local/share/emacs/site-lisp/cedet/speedbar/speedbar hides /usr/share/emacs/24.0.50/lisp/speedbar
/usr/local/share/emacs/site-lisp/cedet/common/ezimage hides /usr/share/emacs/24.0.50/lisp/ezimage
/usr/local/share/emacs/site-lisp/cedet/eieio/eieio hides /usr/share/emacs/24.0.50/lisp/emacs-lisp/eieio
/usr/local/share/emacs/site-lisp/cedet/eieio/eieio-base hides /usr/share/emacs/24.0.50/lisp/emacs-lisp/eieio-base
/usr/local/share/emacs/site-lisp/cedet/eieio/eieio-opt hides /usr/share/emacs/24.0.50/lisp/emacs-lisp/eieio-opt
/usr/local/share/emacs/site-lisp/cedet/eieio/eieio-datadebug hides /usr/share/emacs/24.0.50/lisp/emacs-lisp/eieio-datadebug
/usr/local/share/emacs/site-lisp/cedet/eieio/eieio-custom hides /usr/share/emacs/24.0.50/lisp/emacs-lisp/eieio-custom
/usr/local/share/emacs/site-lisp/cedet/eieio/eieio-comp hides /usr/share/emacs/24.0.50/lisp/emacs-lisp/eieio-comp
/usr/local/share/emacs/site-lisp/cedet/eieio/chart hides /usr/share/emacs/24.0.50/lisp/emacs-lisp/chart
/usr/local/share/emacs/site-lisp/cedet/eieio/eieio-speedbar hides /usr/share/emacs/24.0.50/lisp/emacs-lisp/eieio-speedbar
/usr/local/share/emacs/site-lisp/cedet/common/mode-local hides /usr/share/emacs/24.0.50/lisp/cedet/mode-local
/usr/local/share/emacs/site-lisp/cedet/common/inversion hides /usr/share/emacs/24.0.50/lisp/cedet/inversion
/usr/local/share/emacs/site-lisp/cedet/semantic/semantic hides /usr/share/emacs/24.0.50/lisp/cedet/semantic
/usr/local/share/emacs/site-lisp/cedet/common/cedet-global hides /usr/share/emacs/24.0.50/lisp/cedet/cedet-global
/usr/local/share/emacs/site-lisp/cedet/common/cedet-files hides /usr/share/emacs/24.0.50/lisp/cedet/cedet-files
/usr/local/share/emacs/site-lisp/cedet/srecode/srecode hides /usr/share/emacs/24.0.50/lisp/cedet/srecode
/usr/local/share/emacs/site-lisp/cedet/common/cedet hides /usr/share/emacs/24.0.50/lisp/cedet/cedet
/usr/local/share/emacs/site-lisp/cedet/common/cedet-idutils hides /usr/share/emacs/24.0.50/lisp/cedet/cedet-idutils
/usr/local/share/emacs/site-lisp/cedet/common/pulse hides /usr/share/emacs/24.0.50/lisp/cedet/pulse
/usr/local/share/emacs/site-lisp/cedet/ede/ede hides /usr/share/emacs/24.0.50/lisp/cedet/ede
/usr/local/share/emacs/site-lisp/cedet/common/cedet-cscope hides /usr/share/emacs/24.0.50/lisp/cedet/cedet-cscope
/usr/local/share/emacs/site-lisp/cedet/common/data-debug hides /usr/share/emacs/24.0.50/lisp/cedet/data-debug

Features:
(shadow sort gnus-util mail-extr message sendmail regexp-opt rfc822 mml
mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231 rfc2047 rfc2045
ietf-drums mm-util mail-prsvr mailabbrev mail-utils gmm-utils mailheader
emacsbug help-mode easymenu view 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
mldrag 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 loaddefs button minibuffer faces cus-face files text-properties
overlay md5 base64 format env code-pages mule custom widget
hashtable-print-readable backquote make-network-process dbusbind
dynamic-setting font-render-setting gtk x-toolkit x multi-tty emacs)

Message #8 received at 6160 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Jose Antonio Ortega Ruiz <jaortega <at> gmail.com>
Cc: 6160 <at> debbugs.gnu.org, rfrancoise <at> debian.org
Subject: Re: bug#6160: 24.0.50;
	partial completion of emacs commands doesn't work
Date: Tue, 11 May 2010 09:25:57 -0400

> As mentioned in the subject, and although `completion-styles' seems to
> have the correct value (it contains basic, partial-completion and
> emacs22), partial completion seems broken for elisp commands: if one
> tries any partial name including dashes in the minibuffer
> (e.g. M-x rep-em-TAB), the completion key provokes a [No match] error
> (in the example, i would have expected report-emacs-bug as a completion).

Indeed, I messed up my last change.  Thanks for pointing it out.
I've installed the patch below which should make it work again,


        Stefan


=== modified file 'lisp/minibuffer.el'
--- lisp/minibuffer.el	2010-05-09 22:39:36 +0000
+++ lisp/minibuffer.el	2010-05-11 13:22:02 +0000
@@ -1835,8 +1835,8 @@
                   (lambda (x)
                     (cond
                      ((stringp x) (regexp-quote x))
-                     ((if (consp group) (memq x group) group)
-                      "\\(.*?\\)" ".*?")))
+                     ((if (consp group) (memq x group) group) "\\(.*?\\)")
+		     (t ".*?")))
                   pattern
                   ""))))
     ;; Avoid pathological backtracking.

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