GNU bug report logs -
#73584
29.3; read-key
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Your message dated Sun, 27 Oct 2024 12:30:02 +0200
with message-id <86jzdtaled.fsf <at> gnu.org>
and subject line Re: bug#73584: 29.3; read-key
has caused the debbugs.gnu.org bug report #73584,
regarding 29.3; read-key
to be marked as done.
(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)
--
73584: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=73584
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems
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(read-key 0) jails Emacs in a null keymap.
To escape: Menu Bar > Help > Emacs Psychotherapist
Peace
--Devon
P.S. In a tty Emacs you're out of luck
unless you're running the emacs server.
In GNU Emacs 29.3 (build 1, x86_64-apple-darwin18.7.0, NS appkit-1671.60
Version 10.14.6 (Build 18G9323)) of 2024-03-24 built on
builder10-14.lan
Windowing system distributor 'Apple', version 10.3.1671
System Description: Mac OS X 10.14.6
Configured using:
'configure --with-ns '--enable-locallisppath=/Library/Application
Support/Emacs/${version}/site-lisp:/Library/Application
Support/Emacs/site-lisp' --with-modules 'CFLAGS=-DFD_SETSIZE=10000
-DDARWIN_UNLIMITED_SELECT' --with-x-toolkit=no'
Configured features:
ACL GLIB GMP GNUTLS JPEG JSON LIBXML2 MODULES NOTIFY KQUEUE NS PDUMPER
PNG RSVG SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS TREE_SITTER ZLIB
Important settings:
value of $LC_CTYPE: UTF-8
value of $LANG: en_US.UTF-8
locale-coding-system: utf-8-unix
Major mode: Lisp Interaction
Minor modes in effect:
tooltip-mode: t
global-eldoc-mode: t
eldoc-mode: t
show-paren-mode: t
electric-indent-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
blink-cursor-mode: t
line-number-mode: t
indent-tabs-mode: t
transient-mark-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
Load-path shadows:
None found.
Features:
(shadow sort mail-extr emacsbug message mailcap yank-media puny dired
dired-loaddefs rfc822 mml mml-sec password-cache epa derived epg rfc6068
epg-config gnus-util text-property-search time-date subr-x mm-decode
mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader
cl-loaddefs cl-lib sendmail rfc2047 rfc2045 ietf-drums mm-util
mail-prsvr mail-utils rmc iso-transl tooltip cconv eldoc paren electric
uniquify ediff-hook vc-hooks lisp-float-type elisp-mode mwheel
term/ns-win ns-win ucs-normalize mule-util term/common-win tool-bar dnd
fontset image regexp-opt fringe tabulated-list replace newcomment
text-mode lisp-mode prog-mode register page tab-bar menu-bar rfn-eshadow
isearch easymenu timer select scroll-bar mouse jit-lock font-lock syntax
font-core term/tty-colors frame minibuffer nadvice seq simple cl-generic
indonesian philippine cham georgian utf-8-lang misc-lang vietnamese
tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek
romanian slovak czech european ethiopic indian cyrillic chinese
composite emoji-zwj charscript charprop case-table epa-hook
jka-cmpr-hook help abbrev obarray oclosure cl-preloaded button loaddefs
theme-loaddefs faces cus-face macroexp files window text-properties
overlay sha1 md5 base64 format env code-pages mule custom widget keymap
hashtable-print-readable backquote threads kqueue cocoa ns multi-tty
make-network-process emacs)
Memory information:
((conses 16 37423 7895)
(symbols 48 5048 0)
(strings 32 12600 1784)
(string-bytes 1 359254)
(vectors 16 10402)
(vector-slots 8 156348 13684)
(floats 8 37 17)
(intervals 56 218 0)
(buffers 984 10))
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> Cc: 73584 <at> debbugs.gnu.org, stefankangas <at> gmail.com, Emacs-hacker2023 <at> jovi.net
> Date: Sun, 13 Oct 2024 14:41:34 +0300
> From: Eli Zaretskii <eliz <at> gnu.org>
>
> > From: Stefan Monnier <monnier <at> iro.umontreal.ca>
> > Cc: Stefan Kangas <stefankangas <at> gmail.com>, Emacs-hacker2023 <at> jovi.net,
> > 73584 <at> debbugs.gnu.org
> > Date: Thu, 03 Oct 2024 11:43:25 -0400
> >
> > > The OP shot himself in the foot by invoking by hand a low-level
> > > function with a wrong argument. Interactive functions and high-level
> > > APIs must check their arguments right away, but low-level functions
> > > like this one do not.
> >
> > I think the "bug" is indeed not in the fact that we check too late for
> > a string. I guess we could say that any code which temporarily rebinds
> > the global map should be super-extra careful never to signal an error,
> > and prevent itself from being Edebugged etc... but it would be
> > preferable for the debuggers to "handle it".
>
> Is the patch below acceptable as the solution to this?
>
> diff --git a/lisp/emacs-lisp/backtrace.el b/lisp/emacs-lisp/backtrace.el
> index 120972d..e353970 100644
> --- a/lisp/emacs-lisp/backtrace.el
> +++ b/lisp/emacs-lisp/backtrace.el
> @@ -202,6 +202,7 @@ backtrace-mode-map
> "+" #'backtrace-multi-line
> "-" #'backtrace-single-line
> "." #'backtrace-expand-ellipses
> + "C-]" #'abort-recursive-edit
> "<follow-link>" 'mouse-face
> "<mouse-2>" #'mouse-select-window
No further comments within 2 weeks, so I've now installed this on the
master branch, and I'm therefore closing this bug.
This bug report was last modified 206 days ago.
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1994-97 Ian Jackson.