GNU bug report logs - #24922
24.4; serial-term always launches in char mode

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Phil Hagelberg <phil <at> hagelb.org>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.4; serial-term always launches in char mode
Date: Fri, 11 Nov 2016 01:15:15 +0700

When you open a serial connection with M-x serial-term, there is no way
to set it to line mode without defadvice. If you use term-mode-hook to
activate term-line-mode, it is immediately overridden by a call to
term-char-mode on line 4297 of term.el in the serial-term defun.

It would be better if it were possible to change it to default to line
mode using a defvar or defcustom.



In GNU Emacs 24.4.1 (x86_64-pc-linux-gnu, GTK+ Version 3.14.5)
 of 2015-03-08 on trouble, modified by Debian
Windowing system distributor `The X.Org Foundation', version 11.0.11604000
System Description:	Debian GNU/Linux 8.6 (jessie)

Configured using:
 `configure --build x86_64-linux-gnu --prefix=/usr
 --sharedstatedir=/var/lib --libexecdir=/usr/lib
 --localstatedir=/var/lib --infodir=/usr/share/info
 --mandir=/usr/share/man --with-pop=yes
 --enable-locallisppath=/etc/emacs24:/etc/emacs:/usr/local/share/emacs/24.4/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/24.4/site-lisp:/usr/share/emacs/site-lisp
 --build x86_64-linux-gnu --prefix=/usr --sharedstatedir=/var/lib
 --libexecdir=/usr/lib --localstatedir=/var/lib
 --infodir=/usr/share/info --mandir=/usr/share/man --with-pop=yes
 --enable-locallisppath=/etc/emacs24:/etc/emacs:/usr/local/share/emacs/24.4/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/24.4/site-lisp:/usr/share/emacs/site-lisp
 --with-x=yes --with-x-toolkit=gtk3 --with-toolkit-scroll-bars
 'CFLAGS=-g -O2 -fstack-protector-strong -Wformat
 -Werror=format-security -Wall' CPPFLAGS=-D_FORTIFY_SOURCE=2
 LDFLAGS=-Wl,-z,relro'

Important settings:
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix

Major mode: C/l

Minor modes in effect:
  diff-auto-refine-mode: t
  recentf-mode: t
  hi-lock-mode: t
  whitespace-mode: t
  idle-highlight-mode: t
  hl-line-mode: t
  page-break-lines-mode: t
  winner-mode: t
  show-paren-mode: t
  tooltip-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  prettify-symbols-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
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t
  abbrev-mode: t

Recent input:
C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n 
C-n C-x m C-x o C-n C-n M-b M-b M-b M-b C-M-h C-x C-s 
C-x o C-x C-f <backspace> <backspace> e s p C-n <return> 
C-x o C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-e <backspace> 
2 C-x C-s C-x o C-x m M-p C-x o C-n C-n C-n C-n C-n 
C-n C-n C-n C-n C-n M-b M-b M-b M-f C-M-h C-M-h g p 
i o s SPC t o SPC a v o i d C-x C-s C-x o <return> 
C-x o M-< C-x o C-x o C-p C-n C-n C-n C-n C-n C-n C-n 
C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n 
C-n C-e <backspace> 4 C-x C-s C-x o M-p <return> C-x 
o M-> C-p C-p C-p C-p C-p C-p C-p C-p M-f M-f M-b M-b 
C-b <backspace> C-n C-a M-m C-d C-d C-x C-s / / C-n 
C-n C-f <backspace> <backspace> <backspace> C-x C-s 
M-< C-s p r e s s e d . c o u n t C-s C-s C-s C-s C-s 
C-s C-s C-s C-s C-s C-s C-s C-s C-s C-s C-a C-x o M-p 
<return> <return> M-x s e r <return> <return> <return> 
C-c C-j <down> <return> C-x o M-f M-f M-f M-f M-f \ 
n C-x C-s C-x o C-x k <return> M-p <return> <return> 
M-x <return> <return> <return> C-c C-j C-x o M-< C-s 
f l a s h C-s C-s C-a C-k C-k C-x C-s C-s f l a s h 
C-s C-a C-a C-k C-k C-n C-n C-n C-k C-k C-x C-s C-p 
C-p C-p C-p <return> f l a s h ( " <backspace> 2 ) 
; C-x C-s M-x r e p o r <return>

Recent messages:
History item: 128
Mark set
Mark saved where search started
Saving file /home/phil/src/elektra/main/main.c...
Wrote /home/phil/src/elektra/main/main.c
Mark saved where search started
Saving file /home/phil/src/elektra/main/main.c...
Wrote /home/phil/src/elektra/main/main.c
Saving file /home/phil/src/elektra/main/main.c...
Wrote /home/phil/src/elektra/main/main.c

Load-path shadows:
/home/phil/.emacs.d/elpa/elisp-slime-nav-0.7/elisp-slime-nav hides /home/phil/.emacs.d/el-get/elisp-slime-nav/elisp-slime-nav
/home/phil/.emacs.d/elpa/page-break-lines-0.9/page-break-lines hides /home/phil/.emacs.d/el-get/page-break-lines/page-break-lines
/home/phil/.emacs.d/elpa/idle-highlight-mode-1.1.2/idle-highlight-mode hides /home/phil/.emacs.d/el-get/idle-highlight-mode/idle-highlight-mode
/home/phil/.emacs.d/elpa/ido-ubiquitous-2.10/ido-ubiquitous hides /home/phil/.emacs.d/el-get/ido-ubiquitous/ido-ubiquitous
/home/phil/.emacs.d/elpa/smex-3.0/smex hides /home/phil/.emacs.d/el-get/smex/smex
/home/phil/.emacs.d/elpa/htmlize-1.39/htmlize hides /home/phil/.emacs.d/el-get/htmlize/htmlize
/home/phil/.emacs.d/elpa/paredit-22/paredit hides /home/phil/.emacs.d/el-get/paredit/paredit
/home/phil/.emacs.d/elpa/markdown-mode-2.0/markdown-mode hides /home/phil/.emacs.d/el-get/markdown-mode/markdown-mode
/home/phil/.emacs.d/elpa/better-defaults-0.1.2/better-defaults hides /home/phil/.emacs.d/el-get/better-defaults/better-defaults
/home/phil/.emacs.d/elpa/scpaste-0.6.4/scpaste hides /home/phil/.emacs.d/el-get/scpaste/scpaste
/usr/share/emacs/site-lisp/mu4e/mu4e-contrib hides /usr/share/emacs24/site-lisp/mu4e/mu4e-contrib
/usr/share/emacs/site-lisp/mu4e/mu4e-proc hides /usr/share/emacs24/site-lisp/mu4e/mu4e-proc
/usr/share/emacs/site-lisp/mu4e/mu4e-mark hides /usr/share/emacs24/site-lisp/mu4e/mu4e-mark
/usr/share/emacs/site-lisp/mu4e/mu4e-headers hides /usr/share/emacs24/site-lisp/mu4e/mu4e-headers
/usr/share/emacs/site-lisp/mu4e/mu4e-draft hides /usr/share/emacs24/site-lisp/mu4e/mu4e-draft
/usr/share/emacs/site-lisp/mu4e/mu4e-main hides /usr/share/emacs24/site-lisp/mu4e/mu4e-main
/usr/share/emacs/site-lisp/mu4e/mu4e-actions hides /usr/share/emacs24/site-lisp/mu4e/mu4e-actions
/usr/share/emacs/site-lisp/mu4e/mu4e hides /usr/share/emacs24/site-lisp/mu4e/mu4e
/usr/share/emacs/site-lisp/mu4e/mu4e-meta hides /usr/share/emacs24/site-lisp/mu4e/mu4e-meta
/usr/share/emacs/site-lisp/mu4e/mu4e-speedbar hides /usr/share/emacs24/site-lisp/mu4e/mu4e-speedbar
/usr/share/emacs/site-lisp/mu4e/mu4e-compose hides /usr/share/emacs24/site-lisp/mu4e/mu4e-compose
/usr/share/emacs/site-lisp/mu4e/mu4e-about hides /usr/share/emacs24/site-lisp/mu4e/mu4e-about
/usr/share/emacs/site-lisp/mu4e/org-mu4e hides /usr/share/emacs24/site-lisp/mu4e/org-mu4e
/usr/share/emacs/site-lisp/mu4e/mu4e-view hides /usr/share/emacs24/site-lisp/mu4e/mu4e-view
/usr/share/emacs/site-lisp/mu4e/mu4e-utils hides /usr/share/emacs24/site-lisp/mu4e/mu4e-utils
/usr/share/emacs/site-lisp/mu4e/mu4e-vars hides /usr/share/emacs24/site-lisp/mu4e/mu4e-vars
/usr/share/emacs/site-lisp/mu4e/mu4e-message hides /usr/share/emacs24/site-lisp/mu4e/mu4e-message
/usr/share/emacs/site-lisp/mu4e/mu4e-lists hides /usr/share/emacs24/site-lisp/mu4e/mu4e-lists
/usr/share/emacs24/site-lisp/cmake-data/cmake-mode hides /usr/share/emacs/site-lisp/cmake-mode
/usr/share/emacs/24.4/site-lisp/debian-startup hides /usr/share/emacs/site-lisp/debian-startup
/usr/share/emacs24/site-lisp/dictionaries-common/ispell hides /usr/share/emacs/24.4/lisp/textmodes/ispell
/usr/share/emacs24/site-lisp/dictionaries-common/flyspell hides /usr/share/emacs/24.4/lisp/textmodes/flyspell
/usr/share/emacs/site-lisp/rst hides /usr/share/emacs/24.4/lisp/textmodes/rst

Features:
(shadow sort gnus-util mail-extr emacsbug sendmail two-column hippie-exp
image-mode magit-bisect magit-key-mode magit server dired-x ediff-merg
ediff-wind ediff-diff ediff-mult ediff-help ediff-init ediff-util ediff
iswitchb view log-edit message format-spec rfc822 mml 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 pcvs-util
add-log tabify markdown-mode noutline outline grep make-mode diff-mode
vc vc-dispatcher ido-completing-read+ flyspell ispell rst compile
easy-mmode derived pcmpl-unix recentf tree-widget wid-edit misearch
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cc-cmds cc-styles cc-align cc-engine cc-vars cc-defs inform-mode
elisp-slime-nav etags paredit whitespace idle-highlight-mode hl-line
page-break-lines info package epg-config em-unix em-term term disp-table
ehelp em-script em-prompt em-ls em-hist em-pred em-glob em-dirs em-cmpl
em-basic em-banner em-alias pcomplete comint ansi-color esh-var esh-io
esh-cmd esh-opt esh-ext esh-proc esh-arg eldoc esh-groups eshell
esh-module esh-mode esh-util winner ring edmacro kmacro
find-file-in-project smex .loaddefs byte-opt advice paren saveplace ido
el-get el-get-autoloading el-get-list-packages el-get-notify help-mode
easymenu el-get-dependencies thingatpt el-get-build el-get-status pp
el-get-methods el-get-github-zip el-get-http-zip el-get-github-tar
el-get-http-tar el-get-http el-get-emacsmirror el-get-github el-get-git
el-get-recipes el-get-byte-compile el-get-builtin el-get-custom
el-get-core cl-macs autoload help-fns lisp-mnt bytecomp byte-compile
cconv dired cl gv cl-loaddefs cl-lib time-date tooltip electric uniquify
ediff-hook vc-hooks lisp-float-type mwheel x-win x-dnd tool-bar dnd
fontset image regexp-opt fringe tabulated-list newcomment lisp-mode
prog-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
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minibuffer nadvice loaddefs button faces cus-face macroexp files
text-properties overlay sha1 md5 base64 format env code-pages mule
custom widget hashtable-print-readable backquote make-network-process
dbusbind gfilenotify dynamic-setting system-font-setting
font-render-setting move-toolbar gtk x-toolkit x multi-tty emacs)

Memory information:
((conses 16 340871 133634)
 (symbols 48 33646 0)
 (miscs 40 1665 2804)
 (strings 32 61299 9040)
 (string-bytes 1 1912210)
 (vectors 16 25876)
 (vector-slots 8 581941 15541)
 (floats 8 153 409)
 (intervals 56 10849 176)
 (buffers 960 46)
 (heap 1024 35099 2342))

Message #8 received at 24922 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Phil Hagelberg <phil <at> hagelb.org>
Cc: 24922 <at> debbugs.gnu.org
Subject: Re: bug#24922: 24.4; serial-term always launches in char mode
Date: Sat, 27 Jul 2019 14:18:56 +0200

Phil Hagelberg <phil <at> hagelb.org> writes:

> When you open a serial connection with M-x serial-term, there is no way
> to set it to line mode without defadvice. If you use term-mode-hook to
> activate term-line-mode, it is immediately overridden by a call to
> term-char-mode on line 4297 of term.el in the serial-term defun.
>
> It would be better if it were possible to change it to default to line
> mode using a defvar or defcustom.

(I'm going through older Emacs bug reports that have received no
response.)

I've now added an optional argument to the command to leave it in line
mode on the Emacs trunk.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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