GNU bug report logs - #72487
calculator-electric-mode causes freeze on subsequent use of minibuffer

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: martin rudalics <rudalics <at> gmx.at>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#72487: closed (calculator-electric-mode causes freeze on
 subsequent use of minibuffer)
Date: Sat, 21 Sep 2024 08:08:02 +0000

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Your message dated Sat, 21 Sep 2024 10:07:14 +0200
with message-id <75198ecb-81c4-43fe-aec7-f82e86567662 <at> gmx.at>
and subject line Re: bug#72487: calculator-electric-mode causes freeze on subsequent use of minibuffer
has caused the debbugs.gnu.org bug report #72487,
regarding calculator-electric-mode causes freeze on subsequent use of minibuffer
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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72487: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=72487
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Contact help-debbugs <at> gnu.org with problems

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From: Kevin J Witczak <kim.jet.wav <at> protonmail.ch>
To: bug-gnu-emacs <at> gnu.org
Subject: calculator-electric-mode causes freeze on subsequent use of minibuffer
Date: Mon, 05 Aug 2024 22:41:57 +0000

When using the calculator function of GNU Emacs 31.0.50 (bug also found 
in 29.4), usage of `calculator-electric-mode' causes Emacs to hang on 
subsequent uses of the minibuffer.

Emacs -Q

M-: (setf calculator-electric-mode t) <RET>

M-x calcu <RET> q M-x M-p <RET>

Note that the freeze does not depend on specifically calling calculator 
a second time, and calculator may be repeated with C-x z without issue.

The freeze occurs specifically when the minibuffer exits a second time, 
even via C-g, before its contents are processed. Thus, for example, the 
following still yields a freeze:

Emacs -Q

M-: (setf calculator-electric-mode t) <RET>

M-x d-o-e <RET> kill-emacs <RET>

M-x calcu <RET> q M-x kill-emacs <RET>

Apparently, calculator-electric-mode leaves the minibuffer window in a 
broken state after first usage, rather than resetting it correctly.

Emacs must be killed externally at this point, and generally cannot be 
salvaged with C-g. It becomes trapped in a loop emitting terminal bells 
(seen with `visible-bell' mode on, or via a termscript from `-nw').

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From: martin rudalics <rudalics <at> gmx.at>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 72487-done <at> debbugs.gnu.org, kim.jet.wav <at> protonmail.ch
Subject: Re: bug#72487: calculator-electric-mode causes freeze on subsequent
 use of minibuffer
Date: Sat, 21 Sep 2024 10:07:14 +0200

> Installed on master.  If there are no further complaints, I'll close
> this bug in a couple of days.

Done.

martin

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