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bug#51589: 29.0.50; term-mode hooks are executed twice
From: |
Raymond |
Subject: |
bug#51589: 29.0.50; term-mode hooks are executed twice |
Date: |
Wed, 3 Nov 2021 18:10:12 +0100 |
To reproduce:
1) emacs -Q
2) In the scratch buffer, type:
(add-hook 'term-mode-hook (lambda () (message "Hello")))
3) Use C-x C-e to evaluate this line
4) Open a terminal:
M-x term RET
Run program: /bin/bash RET
5) Switch to the messages buffer: C-c b *Messages*
Expected result: "Hello" is displayed exactly once.
Actual result: "Hello" is listed 2 times:
Hello [2 times]
A possible reason might be that inside `(defun term)` you'll see
`(term-mode)` being invoked:
...
(set-buffer (make-term "terminal" program))
(term-mode)
...
Yet, `(defun make-term)` also contains an invocation of `(term-mode)`.
In GNU Emacs 29.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version
3.24.20, cairo version 1.16.0)
of 2021-10-21 built on lgw01-amd64-019
Windowing system distributor 'The X.Org Foundation', version 11.0.12011000
System Description: Ubuntu 20.04.3 LTS
Configured using:
'configure --build=x86_64-linux-gnu --prefix=/usr
'--includedir=${prefix}/include' '--mandir=${prefix}/share/man'
'--infodir=${prefix}/share/info' --sysconfdir=/etc --localstatedir=/var
--disable-silent-rules '--libdir=${prefix}/lib/x86_64-linux-gnu'
'--libexecdir=${prefix}/lib/x86_64-linux-gnu' --disable-maintainer-mode
--disable-dependency-tracking --prefix=/usr --sharedstatedir=/var/lib
--program-suffix=-snapshot --with-modules=yes --with-x=yes
--with-x-toolkit=gtk3 --with-xwidgets=yes 'CFLAGS=-g -O2
-fdebug-prefix-map=/build/emacs-snapshot-xcc7hU/emacs-snapshot-107362=.
-fstack-protector-strong
-Wformat -Werror=format-security' 'CPPFLAGS=-Wdate-time
-D_FORTIFY_SOURCE=2' 'LDFLAGS=-Wl,-Bsymbolic-functions -Wl,-z,relro''
Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG
JSON LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES NOTIFY
INOTIFY PDUMPER PNG RSVG SECCOMP SOUND THREADS TIFF TOOLKIT_SCROLL_BARS
X11 XDBE XIM XPM XWIDGETS GTK3 ZLIB
Important settings:
value of $LC_MONETARY: nl_NL.UTF-8
value of $LC_NUMERIC: nl_NL.UTF-8
value of $LC_TIME: nl_NL.UTF-8
value of $LANG: nl_NL.UTF-8
value of $XMODIFIERS: @im=ibus
locale-coding-system: utf-8-unix
Major mode: Messages
Minor modes in effect:
shell-dirtrack-mode: t
tooltip-mode: t
global-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
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
buffer-read-only: t
line-number-mode: t
indent-tabs-mode: t
transient-mark-mode: t
Load-path shadows:
None found.
Features:
(shadow sort mail-extr emacsbug message rmc puny dired dired-loaddefs
rfc822 mml mml-sec epa derived epg rfc6068 epg-config gnus-util rmail
rmail-loaddefs auth-source cl-seq eieio eieio-core cl-macs
eieio-loaddefs password-cache json map text-property-search time-date
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 seq gv subr-x byte-opt bytecomp
byte-compile cconv term disp-table shell pcomplete ehelp comint
ansi-color ring iso-transl tooltip eldoc paren electric uniquify
ediff-hook vc-hooks lisp-float-type elisp-mode mwheel term/x-win x-win
term/common-win x-dnd 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 cl-generic 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 simple abbrev obarray cl-preloaded nadvice button
loaddefs faces cus-face macroexp files window text-properties overlay
sha1 md5 base64 format env code-pages mule custom widget
hashtable-print-readable backquote threads xwidget-internal dbusbind
inotify lcms2 dynamic-setting system-font-setting font-render-setting
cairo move-toolbar gtk x-toolkit x multi-tty make-network-process emacs)
Memory information:
((conses 16 58710 6062)
(symbols 48 7564 1)
(strings 32 21033 1721)
(string-bytes 1 697181)
(vectors 16 15509)
(vector-slots 8 201398 10223)
(floats 8 21 39)
(intervals 56 257 0)
(buffers 992 12))
- bug#51589: 29.0.50; term-mode hooks are executed twice,
Raymond <=