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bug#42143: 26.1; auto-fill-mode
From: |
Alan Mackenzie |
Subject: |
bug#42143: 26.1; auto-fill-mode |
Date: |
1 Jul 2020 17:53:00 -0000 |
User-agent: |
tin/2.4.4-20191224 ("Millburn") (FreeBSD/11.3-RELEASE-p9 (amd64)) |
Hello, Susan.
In article <mailman.721.1593546663.2574.bug-gnu-emacs@gnu.org> you wrote:
> [-- text/plain, encoding quoted-printable, charset: UTF-8, 657 lines --]
> --text follows this line--
> ;; ———————————————————————————————————————————————————————
> ;; I found this week that auto-fill-mode wasn't working.
How wasn't it working? What did Emacs do and/or fail to do, and what
action were you taking when it did/didn't do this?
> ;; The issue
> ;; seemed to be some missing variables (`current-fill-column' and
> ;; `right-margin') that were mentioned in the doc string ....
Which doc string, exactly?
> ;; .... but
> ;; didn't show up in the actual code.
current-fill-column is actually a function rather than a variable.
right-margin is, I think, a variable which is bound locally within
functions, but isn't in any sense a configuration variable.
> ;; I cobbled together this
> ;; workaround to get it going.
> (use-package simple
> :preface
> ;; `auto-fill-mode': The doc string describes how
> ;; `current-fill-column' is calculated, but the code fails to
> ;; do so. This provides some values so `auto-fill-mode' can
> ;; work. Without it, the mode does nothing.
> (defvar right-margin 0
> "Supply right-margin if needed.")
> (defvar current-fill-column 80
> "Supply current-fill-column if needed.")
> (setq current-fill-column (- fill-column right-margin))
> :init
> (defun auto-fill (&optional arg)
> "Run `auto-fill-mode' with `current-fill-column' set."
> ;; I reset `current-fill-column' here in case `fill-column'
> ;; and/or `right-margin' have changed.
> (setq current-fill-column (- fill-column right-margin))
> (auto-fill-mode arg))
> :hook (text-mode . auto-fill))
> ;; ———————————————————————————————————————————————————————
Do you still see problems in auto-fill-mode when you start emacs with
the -Q flag? If not, there could be something wrong with your
configuration.
> In GNU Emacs 26.1 (build 2, x86_64-pc-linux-gnu, GTK+ Version 3.24.5)
> of 2019-09-22, modified by Debian built on x86-grnet-01
> Windowing system distributor 'The X.Org Foundation', version 11.0.12001000
> System Description: Debian GNU/Linux 10 (buster)
[ .... ]
> 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 --enable-libsystemd --with-pop=yes
>
> --enable-locallisppath=/etc/emacs:/usr/local/share/emacs/26.1/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/26.1/site-lisp:/usr/share/emacs/site-lisp
> --with-sound=alsa --without-gconf --with-mailutils --build
> x86_64-linux-gnu --prefix=/usr --sharedstatedir=/var/lib
> --libexecdir=/usr/lib --localstatedir=/var/lib
> --infodir=/usr/share/info --mandir=/usr/share/man --enable-libsystemd
> --with-pop=yes
>
> --enable-locallisppath=/etc/emacs:/usr/local/share/emacs/26.1/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/26.1/site-lisp:/usr/share/emacs/site-lisp
> --with-sound=alsa --without-gconf --with-mailutils --with-x=yes
> --with-x-toolkit=gtk3 --with-toolkit-scroll-bars 'CFLAGS=-g -O2
> -fdebug-prefix-map=/build/emacs-StqULU/emacs-26.1+1=.
> -fstack-protector-strong -Wformat -Werror=format-security -Wall'
> 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' LDFLAGS=-Wl,-z,relro'
> Configured features:
> XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GSETTINGS NOTIFY
> ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB
> TOOLKIT_SCROLL_BARS GTK3 X11 THREADS LIBSYSTEMD LCMS2
> Important settings:
> value of $LANG: en_US.UTF-8
> locale-coding-system: utf-8-unix
> Major mode: LispInt
> Minor modes in effect:
> display-line-numbers-mode: t
> display-time-mode: t
> show-paren-mode: t
> global-hl-line-mode: t
> homing-mode: t
> recentf-mode: t
> delete-selection-mode: t
> cua-mode: t
> override-global-mode: t
> tooltip-mode: t
> global-eldoc-mode: t
> eldoc-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
> auto-composition-mode: t
> auto-encryption-mode: t
> auto-compression-mode: t
> size-indication-mode: t
> column-number-mode: t
> line-number-mode: t
> transient-mark-mode: t
> abbrev-mode: t
> Load-path shadows:
[ .... ]
--
Alan Mackenzie (Nuremberg, Germany).
- bug#42143: 26.1; auto-fill-mode,
Alan Mackenzie <=