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bug#11397: 24.1.50; permanent-local after-change-functions + read-passwd
From: |
Steve Yegge |
Subject: |
bug#11397: 24.1.50; permanent-local after-change-functions + read-passwd == unusable minibuffer |
Date: |
Wed, 02 May 2012 14:21:36 -0700 |
Place the following code in a file, e.g. /tmp/hork-emacs.el:
;; begin code to place in file:
(defun my-after-change-function (&rest ignored)
"Sample no-op after-change function.")
(put 'my-after-change-function 'permanent-local-hook t)
(defun hork-my-minibuffer ()
(interactive)
(add-hook 'after-change-functions 'my-after-change-function)
(read-passwd "Enter some text: ")
(message "Your minibuffer should now be horked"))
;; end code to place in file
Run emacs -q -l /tmp/hork-emacs.el
Execute M-x hork-my-minibuffer RET <any text> RET
Afterwards, all minibuffer input will be rendered as '.'
characters, as if it were still reading a password.
This does not happen in Emacs 23.
Also note that the bug does not manifest if you simply
evaluate the code above. It must be loaded from a file,
at least as far as I can tell (though I do not know why.)
One possible fix might be to have `read-passwd' remove
its lambda from `after-change-functions' in the unwind forms.
In GNU Emacs 24.1.50.2 (x86_64-unknown-linux-gnu, GTK+ Version 2.20.1)
of 2012-04-16 on stevey.kir.corp.google.com
Windowing system distributor `The X.Org Foundation', version 11.0.60900000
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> <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <help-echo> M-x
r e p o r t - e m <tab> <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 emacsbug message format-spec rfc822 mml
easymenu mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231
mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums
mm-util mail-prsvr mail-utils time-date tooltip ediff-hook vc-hooks
lisp-float-type mwheel x-win x-dnd tool-bar dnd fontset image regexp-opt
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 font-render-setting move-toolbar gtk x-toolkit x
multi-tty emacs)
- bug#11397: 24.1.50; permanent-local after-change-functions + read-passwd == unusable minibuffer,
Steve Yegge <=