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bug#10738: insert before setting the mark means the mark wont be set


From: Christopher Monsanto
Subject: bug#10738: insert before setting the mark means the mark wont be set
Date: Mon, 6 Feb 2012 12:57:36 -0500

>From emacs -q, consider the following program:

(defun foo ()
  (interactive)
  (insert "bar")
  (push-mark)
  (forward-line)
  (activate-mark))

M-x foo, bar appears, but the mark is not set.

(defun baz ()
   (interactive)
   (push-mark)
   (forward-line)
   (activate-mark))

I wouldn't expect a command *before* setting the mark to affect if the
mark was actually set. Is this a concurrency bug?



In GNU Emacs 24.0.93.1 (x86_64-unknown-linux-gnu, GTK+ Version 2.24.6)
 of 2012-02-04 on WORKCOMPUTER
Windowing system distributor `The X.Org Foundation', version 11.0.11004000
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: Fundamental

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
  blink-cursor-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> <down-mouse-1> <mouse-1> 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.

Load-path shadows:
None found.

Features:
(shadow sort gnus-util mail-extr message format-spec rfc822 mml easymenu
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 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 dynamic-setting system-font-setting
font-render-setting move-toolbar gtk x-toolkit x multi-tty emacs)

Christopher Monsanto
address@hidden --  http://monsan.to/





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