bug#53436: 29.0.50; org-toggle-pretty-entities- does not work when toggled off

[Arthur Miller]

1. Create an empty org file
2. Add some text and mark as italic, bold etc. For example:

  test
 /test/
 *test*
/*test*/
*/test/*

3. Toggle "pretty entities" on: M-x org-toggle-pretty-entities

Text should be now displayed in italics and bold. Composition of both
does not work (reported as a bug a year or so previously).

4. Toggle "pretty entities" off: M-x org-toggle-pretty-entities

Text should now be displayed as plain text, however that does not
happen, it is still rendered in italics and bold.

I see in the implementation of org-toggle-pretty-entities that it calls
decompose-region, which does not seem to do anything when called from
M-: either. I don't know if it's bug in org-mode or Emacs itself.






In GNU Emacs 29.0.50 (build 2, x86_64-pc-linux-gnu, GTK+ Version 3.24.31, cairo 
version 1.17.4)
 of 2022-01-18 built on pascal
Repository revision: 9f25c41ad45eaa34c8b7aa88a8c75d5dd4bd7ba7
Repository branch: custom
Windowing system distributor 'The X.Org Foundation', version 11.0.12101003
System Description: Arch Linux

Configured using:
 'configure --with-native-compilation --without-compress-install
 'CFLAGS=-O2 -march=native -mtune=native -B/usr/bin/mold''

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG
JSON LCMS2 LIBOTF LIBSYSTEMD LIBXML2 M17N_FLT MODULES NATIVE_COMP NOTIFY
INOTIFY PDUMPER PNG RSVG SECCOMP SOUND SQLITE3 THREADS TIFF
TOOLKIT_SCROLL_BARS WEBP X11 XDBE XIM XPM GTK3 ZLIB

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

Major mode: Org

Minor modes in effect:
  text-scale-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
  line-number-mode: t
  indent-tabs-mode: t
  transient-mark-mode: t

Load-path shadows:
None found.

Features:
(shadow sort mail-extr emacsbug sendmail face-remap org-element avl-tree
generator ol-eww eww xdg url-queue thingatpt mm-url ol-rmail ol-mhe
ol-irc ol-info ol-gnus nnselect gnus-search eieio-opt cl-extra help-mode
speedbar ezimage dframe gnus-art mm-uu mml2015 mm-view mml-smime smime
dig gnus-sum shr pixel-fill kinsoku svg dom browse-url url url-proxy
url-privacy url-expand url-methods url-history url-cookie url-domsuf
url-util url-parse auth-source cl-seq eieio eieio-core cl-macs
eieio-loaddefs url-vars gnus-group gnus-undo gnus-start gnus-dbus dbus
xml gnus-cloud nnimap nnmail mail-source utf7 netrc nnoo parse-time
gnus-spec gnus-int gnus-range message mailcap yank-media rmc puny rfc822
mml mml-sec password-cache epa derived epg rfc6068 epg-config mm-decode
mm-bodies mm-encode mail-parse rfc2231 rfc2047 rfc2045 ietf-drums
mailabbrev gmm-utils mailheader gnus-win gnus nnheader gnus-util
text-property-search mail-utils range mm-util mail-prsvr wid-edit
ol-docview doc-view jka-compr image-mode exif dired dired-loaddefs
ol-bibtex ol-bbdb ol-w3m ol-doi org-link-doi org ob ob-tangle ob-ref
ob-lob ob-table ob-exp org-macro org-footnote org-src ob-comint
org-pcomplete pcomplete comint ansi-color ring org-list org-faces
org-entities noutline outline easy-mmode org-version ob-emacs-lisp
ob-core ob-eval org-table oc-basic json map bibtex iso8601 time-date ol
rx org-keys oc seq gv subr-x byte-opt bytecomp byte-compile cconv
org-compat advice org-macs org-loaddefs format-spec find-func cal-menu
calendar cal-loaddefs cl-loaddefs cl-lib 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 keymap
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 232588 20008)
 (symbols 48 19534 4)
 (strings 32 69756 1699)
 (string-bytes 1 2322560)
 (vectors 16 37176)
 (vector-slots 8 651185 42508)
 (floats 8 322 99)
 (intervals 56 462 0)
 (buffers 992 13))