bug#56192: 28.1.50; Disabling csv-align-mode leaves the buffer marked modified

[Joost Kremers]

When disabling `csv-align-mode` (I enable it in `csv-mode-hook`, but sometimes I
need to disable and reenable it to fix the alignment), the buffer is marked as
modified. This is a bit unnerving, because the contents of the buffer isn't
really changed. (At first I thought I had fat-fingered my way into data
corruption, but git tells me it isn't that bad.)

Thanks,

Joost



In GNU Emacs 28.1.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.20, cairo 
version 1.16.0)
 of 2022-04-04 built on Lenovo
Repository revision: dd3863d8bcc77c43363bbd041da1c1eb37a3ee32
Repository branch: emacs-28
Windowing system distributor 'The X.Org Foundation', version 11.0.12013000
System Description: elementary OS 6.1 Jólnir

Configured using:
 'configure --with-harfbuzz --with-cairo --with-json --with-libgmp
 --with-native-compilation'
Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG JSON
LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES NATIVE_COMP NOTIFY
INOTIFY PDUMPER PNG RSVG SECCOMP SOUND THREADS TIFF TOOLKIT_SCROLL_BARS X11 XDBE
XIM XPM GTK3 ZLIB
Important settings:
  value of $LC_MONETARY: en_IE.UTF-8
  value of $LC_NUMERIC: en_IE.UTF-8
  value of $LC_TIME: en_IE.UTF-8
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: @im=ibus
  locale-coding-system: utf-8-unix

Major mode: VTerm

Minor modes in effect:
  flycheck-indicator-mode: t
  company-box-mode: t
  minions-mode: t
  doom-modeline-mode: t
  which-key-mode: t
  global-atomic-chrome-edit-mode: t
  marginalia-mode: t
  all-the-icons-completion-mode: t
  company-prescient-mode: t
  selectrum-prescient-mode: t
  prescient-persist-mode: t
  projectile-mode: t
  global-diff-hl-mode: t
  global-git-commit-mode: t
  csv-field-index-mode: t
  shell-dirtrack-mode: t
  company-quickhelp-mode: t
  company-quickhelp-local-mode: t
  global-company-mode: t
  company-mode: t
  electric-pair-mode: t
  recentf-mode: t
  delete-selection-mode: t
  override-global-mode: t
  ctrlf-mode: t
  ctrlf-local-mode: t
  selectrum-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  show-paren-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
  buffer-read-only: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t
  auto-save-visited-mode: t

Load-path shadows:
~/.emacs.d/lisp/custom hides /usr/local/share/emacs/28.1.50/lisp/custom
/home/joost/.emacs.d/elpa/transient-20220527.2213/transient hides 
/usr/local/share/emacs/28.1.50/lisp/transient

Features:
(mu4e-settings gnus-dired mu4e mu4e-org mu4e-main mu4e-view mu4e-view-gnus
gnus-art mm-uu mml2015 mm-view mml-smime smime dig gnus-sum gnus-group gnus-undo
gnus-start gnus-dbus gnus-cloud nnimap nnmail mail-source utf7 netrc nnoo
gnus-spec gnus-int gnus-range gnus-win gnus nnheader mu4e-view-common
mu4e-headers mu4e-compose mu4e-context mu4e-draft mu4e-actions rfc2368 smtpmail
mu4e-mark mu4e-proc mu4e-utils doc-view jka-compr image-mode exif mu4e-lists
mu4e-message flow-fill mu4e-vars mu4e-meta display-fill-column-indicator
flycheck-indicator vc-mtn vc-hg vc-bzr vc-src vc-sccs vc-cvs vc-rcs vc-git
consult-selectrum consult compat-28 ace-window avy shadow mail-extr emacsbug
char-fold mule-util jk-input-methods quail multi-vterm company-box
company-box-doc frame-local company-box-icons company-amelia amelia wgrep-ag
wgrep flycheck-ledger vterm bookmark term disp-table ehelp vterm-module
term/xterm xterm ielm minions doom-modeline doom-modeline-segments
doom-modeline-env doom-modeline-core shrink-path which-key atomic-chrome iimage
image+ image-file image-converter ctrlf marginalia all-the-icons-completion
company-prescient selectrum-prescient selectrum minibuf-eldef prescient
groovy-mode dockerfile-mode sh-script smie executable impatient-mode htmlize
tide tide-lv typescript-mode indium indium-list-sources indium-scratch
indium-interaction indium-chrome indium-nodejs indium-repl indium-debugger
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js2r-conditionals js2r-wrapping js2r-functions js2r-vars
mc-hide-unmatched-lines-mode mc-mark-more mc-cycle-cursors multiple-cursors-core
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magit-base magit-section crm compat-27 compat-26 with-editor transient compat
log-edit message rfc822 mml mml-sec epa derived epg rfc6068 epg-config gnus-util
rmail rmail-loaddefs mm-decode mm-bodies mm-encode mailabbrev gmm-utils
mailheader pcvs-util add-log autorevert filenotify aggressive-indent sendmail
mail-utils nswbuff yaml-mode yaml guess-language flyspell ispell dired
dired-loaddefs reftex reftex-loaddefs reftex-vars csv-mode sort tab-jump-out
yasnippet-snippets yasnippet company-org-block org-settings org-clock ob-jupyter
jupyter-tramp jupyter-server jupyter-server-ioloop jupyter-ioloop-comm
jupyter-ioloop zmq zmq-core jupyter-rest-api url-http url-auth mail-parse
rfc2231 rfc2047 rfc2045 mm-util ietf-drums mail-prsvr url-gw nsm rmc
jupyter-org-extensions jupyter-org-client jupyter-repl jupyter-kernel-manager
jupyter-channel jupyter-widget-client websocket bindat simple-httpd
jupyter-client jupyter-comm-layer jupyter-messages hmac-def jupyter-mime shr
kinsoku text-property-search puny svg jupyter-kernelspec jupyter-env
jupyter-base eieio-base ob-shell ob-scheme ob-clojure ob-python python tramp-sh
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trampver tramp-integration files-x tramp-compat shell pcomplete comint
ansi-color parse-time ls-lisp format-spec biblio biblio-download biblio-dissemin
biblio-ieee biblio-hal biblio-dblp biblio-crossref biblio-arxiv timezone
biblio-doi biblio-core let-alist url-queue ido hl-line bibtex iso8601 time-date
adaptive-wrap goggles comp comp-cstr warnings pulse posframe bm
company-quickhelp pos-tip all-the-icons all-the-icons-faces data-material
data-weathericons data-octicons data-fileicons data-faicons data-alltheicons
company-keywords company-etags etags fileloop generator xref project
company-gtags company-dabbrev-code company-dabbrev company-ipa company-files
company-clang company-cmake company-semantic company-template company-css
company-capf company solarized-light-theme solarized-theme solarized
solarized-faces color paradox paradox-menu paradox-commit-list hydra ring lv
cus-edit pp cus-load paradox-execute paradox-github paradox-core spinner dash
cl-extra help-mode jk-functions advice eshell esh-cmd esh-ext esh-opt esh-proc
esh-io esh-arg esh-module esh-groups esh-util notifications dbus xml edmacro
kmacro server elec-pair recentf tree-widget wid-edit delsel use-package
use-package-ensure use-package-delight use-package-diminish use-package-bind-key
bind-key use-package-core tex-site rx realgud-recursive-autoloads easy-mmode
info package browse-url url url-proxy url-privacy url-expand url-methods
url-history url-cookie url-domsuf url-util mailcap url-handlers url-parse
auth-source cl-seq eieio eieio-core cl-macs eieio-loaddefs password-cache json
subr-x map url-vars seq byte-opt gv bytecomp byte-compile cconv cl-loaddefs
cl-lib pcase 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 dbusbind inotify lcms2 dynamic-setting system-font-setting
font-render-setting cairo move-toolbar gtk x-toolkit x multi-tty
make-network-process native-compile emacs)

Memory information:
((conses 16 834520 38197)
 (symbols 48 63743 7)
 (strings 32 236125 13549)
 (string-bytes 1 8237870)
 (vectors 16 117122)
 (vector-slots 8 2709677 149190)
 (floats 8 1841 912)
 (intervals 56 1803 794)
 (buffers 992 20))

-- 
Joost Kremers
Life has its moments