GNU bug report logs - #3416
down-list

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Message #5 received at submit <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Andreas Roehler <andreas.roehler <at> online.de>
To: emacs-pretest-bug <at> gnu.org
Subject: down-list
Date: Fri, 29 May 2009 15:13:15 +0200

Subject: 23.0.94; down-list

With python-modes

['ggle', ['upriv.html', 'search',]]
___|________________________

Cursor at second `g'.
M-x down-list fails with message:

down-list: Scan error: "Unbalanced parentheses", 440, 443
down-list: Scan error: "Unbalanced parentheses", 81, 87

Cause seems a bug in `scan-list' IMHO, does not
occur with XEmacs, where lisp-code is identic.

The following inserted line makes it gone

(while (/= arg 0)
+++ (when (not (looking-at "\\s("))(skip-syntax-forward "^\\s(")) +++
    (goto-char (or (scan-lists (point) inc -1) (buffer-end arg)))

Thanks

Andreas Röhler

In GNU Emacs 23.0.94.1 (i686-pc-linux-gnu, GTK+ Version 2.12.0)
 of 2009-05-25
Windowing system distributor `The X.Org Foundation', version 11.0.70200000
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: de_DE.UTF-8
  value of $XMODIFIERS: @im=local
  locale-coding-system: utf-8-unix
  default-enable-multibyte-characters: t

Major mode: Python

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:
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <right> C-M-d <left>
<left> <left> <left> <left> C-M-s C-M-d <left> C-M-d
<left> <left> C-M-d <left> <left> C-M-d C-M-d <left>
<left> <left> <left> <left> C-M-d <left> <left> C-M-d
<left> <left> C-M-d <left> <left> <left> <left> <left>
<left> <left> C-M-d <left> <left> <left> <right> C-M-d
C-M-d <left> <left> <left> <left> <left> <left> <left>
<left> <left> <left> <right> C-M-d C-x C-f <M-backspace>
e m <tab> <return> M-> <up> C-h f d o w n - l i s t
<return> C-x p C-x o <return> <right> <right> <right>
<right> <right> <right> <right> <right> <right> <right>
<right> <right> <right> <right> <right> <right> <right>
<right> <right> <right> <right> <right> <right> <right>
<right> <right> <right> <right> <right> <right> <right>
<right> <right> <right> <right> <right> <right> <right>
<right> <right> <right> <right> <right> <right> <right>
<right> <right> <right> <right> <right> <right> <right>
<right> <right> <right> <return> C-x C-w C-g <help-echo>
M-+ <down> C-x C-f <up> e l . <backspace> <backspace>
i l . e l <return> <right> <right> <right> <right>
<right> C-M-d <left> <left> <left> C-M-d <left> <left>
<left> <left> <left> <left> <left> <left> <left> C-M-d
C-x C-f <M-backspace> p y t h o <tab> e p y - p <backspace>
<backspace> . p y <return> y e s <return> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <right>
<right> <right> C-M-d <left> <left> C-M-d <up> <up>
<up> <up> <up> <up> <up> <up> <up> C-a C-k C-k C-k
C-k C-k C-k C-k C-k C-k C-k C-k C-k C-k C-k C-k C-k
<down> <down> C-k C-k <up> <up> <right> <right> <right>
C-M-d M-x r e p o r t - e m a c s - b u g <return>

Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.
down-list: Scan error: "Unbalanced parentheses", 238, 243 [6 times]
down-list: Scan error: "Containing expression ends prematurely", 240, 241
Mark set
Type C-x 1 to delete the help window.
help-follow: No cross-reference here
uncompressing lisp.el.gz...done
Quit
down-list: Scan error: "Unbalanced parentheses", 440, 443
down-list: Scan error: "Unbalanced parentheses", 81, 87

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