GNU logs - #44076, boring messages

Message sent to bug-gnu-emacs@HIDDEN:

Subject: bug#44076: 27.1.50; Weird display effect with RTL text in lists
Resent-From: Joost Kremers <joostkremers@HIDDEN>
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From: Joost Kremers <joostkremers@HIDDEN>
Date: Mon, 19 Oct 2020 09:39:29 +0200
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In an IELM buffer:

```
*** Welcome to IELM ***  Type (describe-mode) for help.
ELISP> (setq mylist nil)
nil

ELISP> (push "2nd-place clitics" mylist)
("2nd-place clitics")

ELISP> (push "=D8=B5=D8=A8=D8=A7=D8=AD =D8=A7=D9=84=D8=AE=D9=8A=D8=B1" myli=
st)
("=D8=B5=D8=A8=D8=A7=D8=AD =D8=A7=D9=84=D8=AE=D9=8A=D8=B1" "2nd-place cliti=
cs")

ELISP> (cl-first mylist)=20
"=D8=B5=D8=A8=D8=A7=D8=AD =D8=A7=D9=84=D8=AE=D9=8A=D8=B1"

ELISP> (cl-second mylist)
"2nd-place clitics"
```

The contents of the list is correct, but it is displayed incorrectly, as sh=
own.
This is not dependent on IELM, it also happens in the `*scratch*` buffer or=
 in
the echo area when evaluating `mylist`. The problem does not occur if the s=
econd
element in the list does not start with a number.

I used Arabic in the example, but Hebrew shows the same problem. The font is
also not the issue: the above interaction is from `emacs -Q`, which uses a
different font for Arabic (and Hebrew) on my system than when I use my full
config. The problem occurs in either case.



In GNU Emacs 27.1.50 (build 3, x86_64-pc-linux-gnu, GTK+ Version 3.22.30, c=
airo version 1.15.10)
 of 2020-08-26 built on Swift
Repository revision: 9b403d624ee6e608d1ff3d577e358b6befe743e1
Repository branch: emacs-27
Windowing system distributor 'The X.Org Foundation', version 11.0.11906000
System Description: elementary OS 5.1.7 Hera

Recent messages:
[mu4e] Contacts updated: 2146; total 2146
[mu4e] Retrieving mail...done
[mu4e] Indexing... processed 4, updated 4
[mu4e] Indexing completed; processed 4, updated 4, cleaned-up 0
[mu4e] Contacts updated: 1; total 2147
Mark set
Saved text from "In an IELM buffer:

```
*** Welcome to I"

Configured using:
 'configure --with-imagemagick --with-cairo'
Configured features:
XPM JPEG TIFF GIF PNG RSVG CAIRO IMAGEMAGICK SOUND DBUS GSETTINGS GLIB NOTI=
FY
INOTIFY GNUTLS LIBXML2 FREETYPE HARFBUZZ ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 =
XDBE
XIM MODULES THREADS JSON PDUMPER LCMS2 GMP
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=3Dibus
  locale-coding-system: utf-8-unix

Major mode: IELM

Minor modes in effect:
  flycheck-indicator-mode: t
  org-roam-mode: t
  company-box-mode: t
  minions-mode: t
  doom-modeline-mode: t
  which-key-mode: t
  global-undo-tree-mode: t
  undo-tree-mode: t
  global-atomic-chrome-edit-mode: t
  ivy-mode: t
  pyvenv-tracking-mode: t
  projectile-mode: t
  global-diff-hl-mode: t
  async-bytecomp-package-mode: t
  electric-pair-mode: t
  shell-dirtrack-mode: t
  volatile-highlights-mode: t
  company-quickhelp-mode: t
  company-quickhelp-local-mode: t
  global-company-mode: t
  company-mode: t
  recentf-mode: t
  delete-selection-mode: t
  show-paren-mode: t
  override-global-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  eldoc-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
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t
  auto-save-visited-mode: t

Load-path shadows:
~/src/ledger-mode/ledger-reconcile hides /home/joost/.emacs.d/elpa/ledger-m=
ode-20200530.1710/ledger-reconcile
~/src/ledger-mode/ledger-test hides /home/joost/.emacs.d/elpa/ledger-mode-2=
0200530.1710/ledger-test
~/src/ledger-mode/ledger-navigate hides /home/joost/.emacs.d/elpa/ledger-mo=
de-20200530.1710/ledger-navigate
~/src/ledger-mode/ledger-report hides /home/joost/.emacs.d/elpa/ledger-mode=
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~/src/ledger-mode/ledger-check hides /home/joost/.emacs.d/elpa/ledger-mode-=
20200530.1710/ledger-check
~/src/ledger-mode/ledger-post hides /home/joost/.emacs.d/elpa/ledger-mode-2=
0200530.1710/ledger-post
~/src/ledger-mode/ledger-mode hides /home/joost/.emacs.d/elpa/ledger-mode-2=
0200530.1710/ledger-mode
~/src/ledger-mode/ledger-xact hides /home/joost/.emacs.d/elpa/ledger-mode-2=
0200530.1710/ledger-xact
~/src/ledger-mode/ledger-complete hides /home/joost/.emacs.d/elpa/ledger-mo=
de-20200530.1710/ledger-complete
~/src/ledger-mode/ledger-occur hides /home/joost/.emacs.d/elpa/ledger-mode-=
20200530.1710/ledger-occur
~/src/ledger-mode/ledger-schedule hides /home/joost/.emacs.d/elpa/ledger-mo=
de-20200530.1710/ledger-schedule
~/src/ledger-mode/ledger-sort hides /home/joost/.emacs.d/elpa/ledger-mode-2=
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~/src/ledger-mode/ledger-regex hides /home/joost/.emacs.d/elpa/ledger-mode-=
20200530.1710/ledger-regex
~/src/ledger-mode/ledger-commodities hides /home/joost/.emacs.d/elpa/ledger=
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~/src/ledger-mode/ledger-fontify hides /home/joost/.emacs.d/elpa/ledger-mod=
e-20200530.1710/ledger-fontify
~/src/ledger-mode/ledger-fonts hides /home/joost/.emacs.d/elpa/ledger-mode-=
20200530.1710/ledger-fonts
~/src/ledger-mode/ledger-init hides /home/joost/.emacs.d/elpa/ledger-mode-2=
0200530.1710/ledger-init
~/src/ledger-mode/ledger-state hides /home/joost/.emacs.d/elpa/ledger-mode-=
20200530.1710/ledger-state
~/src/ledger-mode/ledger-exec hides /home/joost/.emacs.d/elpa/ledger-mode-2=
0200530.1710/ledger-exec
~/src/ledger-mode/ledger-context hides /home/joost/.emacs.d/elpa/ledger-mod=
e-20200530.1710/ledger-context
~/src/ledger-mode/ledger-flymake hides /home/joost/.emacs.d/elpa/ledger-mod=
e-20200530.1710/ledger-flymake
~/src/ledger-mode/ledger-texi hides /home/joost/.emacs.d/elpa/ledger-mode-2=
0200530.1710/ledger-texi
/home/joost/.emacs.d/elpa/auth-source-pass-20201012.1918/auth-source-pass h=
ides /usr/local/share/emacs/27.1.50/lisp/auth-source-pass
~/.emacs.d/lisp/custom hides /usr/local/share/emacs/27.1.50/lisp/custom
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acs/27.1.50/lisp/org/ob-clojure
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cs/27.1.50/lisp/org/org-tempo
/home/joost/.emacs.d/elpa/org-20201012/ol-docview hides /usr/local/share/em=
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27.1.50/lisp/org/ob-css
/home/joost/.emacs.d/elpa/org-20201012/ob-vala hides /usr/local/share/emacs=
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27.1.50/lisp/org/ob-exp
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/home/joost/.emacs.d/elpa/org-20201012/ob-picolisp hides /usr/local/share/e=
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cs/27.1.50/lisp/org/ob-scheme
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s/27.1.50/lisp/org/org-plot
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macs/27.1.50/lisp/org/org-element
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cs/27.1.50/lisp/org/ob-tangle
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/home/joost/.emacs.d/elpa/org-20201012/ob-latex hides /usr/local/share/emac=
s/27.1.50/lisp/org/ob-latex
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cs/27.1.50/lisp/org/ob-maxima
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emacs/27.1.50/lisp/org/org-duration
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cs/27.1.50/lisp/org/org-habit
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27.1.50/lisp/org/ol-mhe
/home/joost/.emacs.d/elpa/org-20201012/ob hides /usr/local/share/emacs/27.1=
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emacs/27.1.50/lisp/org/org-protocol
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/home/joost/.emacs.d/elpa/org-20201012/ol hides /usr/local/share/emacs/27.1=
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/home/joost/.emacs.d/elpa/org-20201012/ob-ruby hides /usr/local/share/emacs=
/27.1.50/lisp/org/ob-ruby
/home/joost/.emacs.d/elpa/org-20201012/ob-ref hides /usr/local/share/emacs/=
27.1.50/lisp/org/ob-ref
/home/joost/.emacs.d/elpa/org-20201012/org-attach-git hides /usr/local/shar=
e/emacs/27.1.50/lisp/org/org-attach-git
/home/joost/.emacs.d/elpa/org-20201012/ob-sqlite hides /usr/local/share/ema=
cs/27.1.50/lisp/org/ob-sqlite
/home/joost/.emacs.d/elpa/org-20201012/ob-ebnf hides /usr/local/share/emacs=
/27.1.50/lisp/org/ob-ebnf
/home/joost/.emacs.d/elpa/org-20201012/ob-calc hides /usr/local/share/emacs=
/27.1.50/lisp/org/ob-calc
/home/joost/.emacs.d/elpa/org-20201012/ol-info hides /usr/local/share/emacs=
/27.1.50/lisp/org/ol-info
/home/joost/.emacs.d/elpa/org-20201012/org-lint hides /usr/local/share/emac=
s/27.1.50/lisp/org/org-lint
/home/joost/.emacs.d/elpa/org-20201012/ob-shell hides /usr/local/share/emac=
s/27.1.50/lisp/org/ob-shell
/home/joost/.emacs.d/elpa/org-20201012/ox-odt hides /usr/local/share/emacs/=
27.1.50/lisp/org/ox-odt
/home/joost/.emacs.d/elpa/org-20201012/ox-ascii hides /usr/local/share/emac=
s/27.1.50/lisp/org/ox-ascii
/home/joost/.emacs.d/elpa/org-20201012/ox-html hides /usr/local/share/emacs=
/27.1.50/lisp/org/ox-html
/home/joost/.emacs.d/elpa/org-20201012/ob-sql hides /usr/local/share/emacs/=
27.1.50/lisp/org/ob-sql
/home/joost/.emacs.d/elpa/org-20201012/ox-man hides /usr/local/share/emacs/=
27.1.50/lisp/org/ox-man
/home/joost/.emacs.d/elpa/org-20201012/ob-coq hides /usr/local/share/emacs/=
27.1.50/lisp/org/ob-coq
/home/joost/.emacs.d/elpa/org-20201012/org-agenda hides /usr/local/share/em=
acs/27.1.50/lisp/org/org-agenda
/home/joost/.emacs.d/elpa/org-20201012/ob-gnuplot hides /usr/local/share/em=
acs/27.1.50/lisp/org/ob-gnuplot
/home/joost/.emacs.d/elpa/org-20201012/ob-core hides /usr/local/share/emacs=
/27.1.50/lisp/org/ob-core
/home/joost/.emacs.d/elpa/org-20201012/org-timer hides /usr/local/share/ema=
cs/27.1.50/lisp/org/org-timer
/home/joost/.emacs.d/elpa/org-20201012/org-entities hides /usr/local/share/=
emacs/27.1.50/lisp/org/org-entities
/home/joost/.emacs.d/elpa/org-20201012/ol-rmail hides /usr/local/share/emac=
s/27.1.50/lisp/org/ol-rmail
/home/joost/.emacs.d/elpa/org-20201012/org-list hides /usr/local/share/emac=
s/27.1.50/lisp/org/org-list
/home/joost/.emacs.d/elpa/org-20201012/org-src hides /usr/local/share/emacs=
/27.1.50/lisp/org/org-src
/home/joost/.emacs.d/elpa/org-20201012/org-faces hides /usr/local/share/ema=
cs/27.1.50/lisp/org/org-faces
/home/joost/.emacs.d/elpa/org-20201012/org-capture hides /usr/local/share/e=
macs/27.1.50/lisp/org/org-capture
/home/joost/.emacs.d/elpa/org-20201012/ol-gnus hides /usr/local/share/emacs=
/27.1.50/lisp/org/ol-gnus
/home/joost/.emacs.d/elpa/org-20201012/ol-w3m hides /usr/local/share/emacs/=
27.1.50/lisp/org/ol-w3m
/home/joost/.emacs.d/elpa/org-20201012/org-macs hides /usr/local/share/emac=
s/27.1.50/lisp/org/org-macs
/home/joost/.emacs.d/elpa/org-20201012/ob-eval hides /usr/local/share/emacs=
/27.1.50/lisp/org/ob-eval
/home/joost/.emacs.d/elpa/org-20201012/org-num hides /usr/local/share/emacs=
/27.1.50/lisp/org/org-num
/home/joost/.emacs.d/elpa/org-20201012/ob-C hides /usr/local/share/emacs/27=
.1.50/lisp/org/ob-C
/home/joost/.emacs.d/elpa/org-20201012/ob-perl hides /usr/local/share/emacs=
/27.1.50/lisp/org/ob-perl
/home/joost/.emacs.d/elpa/org-20201012/org-footnote hides /usr/local/share/=
emacs/27.1.50/lisp/org/org-footnote
/home/joost/.emacs.d/elpa/org-20201012/ob-comint hides /usr/local/share/ema=
cs/27.1.50/lisp/org/ob-comint
/home/joost/.emacs.d/elpa/org-20201012/ob-python hides /usr/local/share/ema=
cs/27.1.50/lisp/org/ob-python
/home/joost/.emacs.d/elpa/org-20201012/ox-latex hides /usr/local/share/emac=
s/27.1.50/lisp/org/ox-latex
/home/joost/.emacs.d/elpa/org-20201012/ob-makefile hides /usr/local/share/e=
macs/27.1.50/lisp/org/ob-makefile
/home/joost/.emacs.d/elpa/org-20201012/org-id hides /usr/local/share/emacs/=
27.1.50/lisp/org/org-id
/home/joost/.emacs.d/elpa/org-20201012/org-version hides /usr/local/share/e=
macs/27.1.50/lisp/org/org-version
/home/joost/.emacs.d/elpa/org-20201012/org-goto hides /usr/local/share/emac=
s/27.1.50/lisp/org/org-goto
/home/joost/.emacs.d/elpa/org-20201012/org-pcomplete hides /usr/local/share=
/emacs/27.1.50/lisp/org/org-pcomplete
/home/joost/.emacs.d/elpa/org-20201012/ob-fortran hides /usr/local/share/em=
acs/27.1.50/lisp/org/ob-fortran

Features:
(org-mu4e mu4e-settings gnus-dired mu4e mu4e-org mu4e-main mu4e-view
mu4e-headers mu4e-compose mu4e-context mu4e-draft mu4e-actions ido rfc2368
smtpmail mu4e-mark mu4e-proc mu4e-utils mu4e-lists mu4e-message flow-fill
mu4e-vars mu4e-meta shadow sort mail-extr emacsbug sendmail vc-git bookmark
el-spice list-callers display-fill-column-indicator flycheck-indicator
expand-region text-mode-expansions the-org-mode-expansions
clojure-mode-expansions er-basic-expansions expand-region-core
expand-region-custom visual-fill-column org-autolist org-indent ol-eww eww
mm-url url-queue ol-rmail ol-mhe ol-irc ol-info ol-gnus nnir gnus-sum shr s=
vg
dom gnus-group gnus-undo gnus-start gnus-cloud nnimap nnmail mail-source ut=
f7
netrc nnoo gnus-spec gnus-int gnus-range message rfc822 mml mml-sec epa der=
ived
epg epg-config mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev
gmm-utils mailheader gnus-win gnus nnheader gnus-util rmail rmail-loaddefs
rfc2047 rfc2045 ietf-drums text-property-search mm-util mail-prsvr ol-docvi=
ew
doc-view jka-compr image-mode exif ol-bibtex ol-bbdb ol-w3m mule-util cl-pr=
int
help-fns radix-tree ffap org-ebib ebib-settings ebib ebib-reading-list
ebib-notes ebib-filters ebib-keywords ebib-utils ebib-db parsebib hl-line c=
rm
mixed-pitch org-roam org-roam-link org-roam-graph org-roam-doctor org-roam-=
db
emacsql-sqlite3 emacsql emacsql-compiler org-roam-dailies org-roam-capture
org-capture org-roam-completion org-roam-buffer org-roam-faces org-roam-macs
org-roam-compat jk-input-methods quail em-unix em-term term disp-table ehelp
em-script em-prompt em-ls em-hist em-pred em-glob em-dirs esh-var em-cmpl
em-basic em-banner em-alias esh-mode company-box company-box-doc frame-local
company-box-icons wgrep flycheck-ledger ielm pp minions doom-modeline
doom-modeline-segments doom-modeline-env doom-modeline-core shrink-path
which-key undo-tree diff atomic-chrome websocket let-alist iimage image+
image-file swiper ivy-hydra all-the-icons-ivy ivy ivy-faces ivy-overlay col=
ir
poetry pyvenv paredit flycheck-clj-kondo sesman clojure-mode lisp-mnt align
eldoc-box company-lsp lsp-ui lsp-ui-flycheck lsp-ui-doc goto-addr lsp-ui-im=
enu
lsp-ui-peek lsp-ui-sideline face-remap flycheck-posframe flycheck lsp-mode
yasnippet network-stream puny nsm rmc markdown-mode inline imenu f
dash-functional bindat lsp-protocol ht ag vc-svn find-dired s projectile gr=
ep
compile ibuf-ext ibuffer ibuffer-loaddefs thingatpt diff-hl vc-dir ewoc vc
vc-dispatcher diff-mode transient async-bytecomp async aggressive-indent
elec-pair nswbuff guess-language flyspell ispell ace-window avy dired
dired-loaddefs reftex reftex-loaddefs reftex-vars tab-jump-out org-gcal per=
sist
org-id org-refile org-element avl-tree org-archive org-settings org-clock o=
rg ob
ob-tangle ob-ref ob-lob ob-table ob-exp org-macro org-footnote org-src ob-c=
omint
org-pcomplete org-list org-faces org-entities noutline outline org-version
ob-emacs-lisp ob-core ob-eval org-table ol org-keys org-compat org-macs
org-loaddefs find-func cal-menu calendar cal-loaddefs request-deferred defe=
rred
request autorevert filenotify mail-utils url url-proxy url-privacy url-expa=
nd
url-methods url-history url-cookie url-domsuf url-util mailcap alert log4e =
rx
gntp tramp tramp-loaddefs trampver tramp-integration files-x tramp-compat s=
hell
pcomplete comint ansi-color parse-time iso8601 time-date ls-lisp format-spec
bibtex adaptive-wrap volatile-highlights posframe bm company-quickhelp pos-=
tip
all-the-icons all-the-icons-faces data-material data-weathericons data-octi=
cons
data-fileicons data-faicons data-alltheicons memoize company-oddmuse
company-keywords company-etags etags fileloop generator xref project
company-gtags company-dabbrev-code company-dabbrev company-files company-ca=
pf
company-cmake company-clang company-semantic company-template company-css
company-bbdb company pcase solarized-light-theme solarized-theme solarized
solarized-faces color recentf tree-widget paradox paradox-menu
paradox-commit-list hydra ring lv cus-edit cus-start cus-load wid-edit
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
delsel paren use-package use-package-ensure use-package-delight
use-package-diminish use-package-bind-key bind-key easy-mmode use-package-c=
ore
finder-inf tex-site realgud-recursive-autoloads info package easymenu brows=
e-url
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 byte=
comp
byte-compile cconv cl-loaddefs cl-lib tooltip eldoc electric uniquify ediff=
-hook
vc-hooks lisp-float-type 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
elisp-mode lisp-mode prog-mode register page tab-bar menu-bar rfn-eshadow
isearch timer select scroll-bar mouse jit-lock font-lock syntax facemenu
font-core term/tty-colors frame minibuffer cl-generic cham georgian utf-8-l=
ang
misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp5=
1932
hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese
composite charscript charprop case-table epa-hook jka-cmpr-hook help simple
abbrev obarray cl-preloaded nadvice loaddefs button faces cus-face macroexp
files text-properties overlay sha1 md5 base64 format env code-pages mule cu=
stom
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 emacs)

Memory information:
((conses 16 677611 79579)
 (symbols 48 54574 12)
 (strings 32 217950 19448)
 (string-bytes 1 6619009)
 (vectors 16 90633)
 (vector-slots 8 1667582 215302)
 (floats 8 1204 1060)
 (intervals 56 2864 1696)
 (buffers 1000 35))

--=20
Joost Kremers
Life has its moments

Message sent:

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X-Loop: help-debbugs@HIDDEN
From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: Joost Kremers <joostkremers@HIDDEN>
Subject: bug#44076: Acknowledgement (27.1.50; Weird display effect with
 RTL text in lists)
Message-ID: <handler.44076.B.16030931827890.ack <at> debbugs.gnu.org>
References: <87y2k2wtou.fsf@HIDDEN>
X-Gnu-PR-Message: ack 44076
X-Gnu-PR-Package: emacs
Reply-To: 44076 <at> debbugs.gnu.org
Date: Mon, 19 Oct 2020 07:40:01 +0000

Thank you for filing a new bug report with debbugs.gnu.org.

This is an automatically generated reply to let you know your message
has been received.

Your message is being forwarded to the package maintainers and other
interested parties for their attention; they will reply in due course.

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--=20
44076: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D44076
GNU Bug Tracking System
Contact help-debbugs@HIDDEN with problems

Message sent to bug-gnu-emacs@HIDDEN:

Subject: bug#44076: 27.1.50; Weird display effect with RTL text in lists
Resent-From: Andreas Schwab <schwab@HIDDEN>
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To: Joost Kremers <joostkremers@HIDDEN>
Cc: 44076 <at> debbugs.gnu.org
From: Andreas Schwab <schwab@HIDDEN>
References: <87y2k2wtou.fsf@HIDDEN>
Date: Mon, 19 Oct 2020 09:57:00 +0200
In-Reply-To: <87y2k2wtou.fsf@HIDDEN> (Joost Kremers's message of "Mon, 19
 Oct 2020 09:39:29 +0200")
Message-ID: <87lfg24pir.fsf@HIDDEN>
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You will get the same effect in any buffer if you set
bidi-paragraph-direction to 'left-to-right.

Andreas.

-- 
Andreas Schwab, schwab@HIDDEN
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."

Message sent to bug-gnu-emacs@HIDDEN:

Subject: bug#44076: 27.1.50; Weird display effect with RTL text in lists
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On October 19, 2020 10:39:29 AM GMT+03:00, Joost Kremers <joostkremers@fast=
mail=2Efm> wrote:
>=20
> In an IELM buffer:
>=20
> ```
> *** Welcome to IELM ***  Type (describe-mode) for help=2E
> ELISP> (setq mylist nil)
> nil
>=20
> ELISP> (push "2nd-place clitics" mylist)
> ("2nd-place clitics")
>=20
> ELISP> (push "=D8=B5=D8=A8=D8=A7=D8=AD =D8=A7=D9=84=D8=AE=D9=8A=D8=B1" m=
ylist)
> ("=D8=B5=D8=A8=D8=A7=D8=AD =D8=A7=D9=84=D8=AE=D9=8A=D8=B1" "2nd-place cl=
itics")
>=20
> ELISP> (cl-first mylist)=20
> "=D8=B5=D8=A8=D8=A7=D8=AD =D8=A7=D9=84=D8=AE=D9=8A=D8=B1"
>=20
> ELISP> (cl-second mylist)
> "2nd-place clitics"
> ```
>=20
> The contents of the list is correct, but it is displayed incorrectly,
> as shown=2E
> This is not dependent on IELM, it also happens in the `*scratch*`
> buffer or in
> the echo area when evaluating `mylist`=2E The problem does not occur if
> the second
> element in the list does not start with a number=2E
>=20
> I used Arabic in the example, but Hebrew shows the same problem=2E The
> font is
> also not the issue: the above interaction is from `emacs -Q`, which
> uses a
> different font for Arabic (and Hebrew) on my system than when I use my
> full
> config=2E The problem occurs in either case=2E

The display is correct according to the rules of the UBA, the Unicode Bidi=
rectilnal Algorithm, which mandates how mixed RTL and LTR text should be re=
ordered for display=2E  As you see, the result can be confusing when struct=
ured text is rendered as if it were a single plain-text string=2E

Emacs has capabilities to do better, so if we are willing to invest effort=
s in this direction, I can suggest a couple of possible solutions, which wi=
ll have to do with using Unicode control characters around rhe textual repr=
esentation of Lisp data=2E

Message sent to bug-gnu-emacs@HIDDEN:

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Subject: bug#44076: 27.1.50; Weird display effect with RTL text in lists
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On October 19, 2020 10:39:29 AM GMT+03:00, Joost Kremers <joostkremers@fast=
mail=2Efm> wrote:
>=20
> In an IELM buffer:
>=20
> ```
> *** Welcome to IELM ***  Type (describe-mode) for help=2E
> ELISP> (setq mylist nil)
> nil
>=20
> ELISP> (push "2nd-place clitics" mylist)
> ("2nd-place clitics")
>=20
> ELISP> (push "=D8=B5=D8=A8=D8=A7=D8=AD =D8=A7=D9=84=D8=AE=D9=8A=D8=B1" m=
ylist)
> ("=D8=B5=D8=A8=D8=A7=D8=AD =D8=A7=D9=84=D8=AE=D9=8A=D8=B1" "2nd-place cl=
itics")
>=20
> ELISP> (cl-first mylist)=20
> "=D8=B5=D8=A8=D8=A7=D8=AD =D8=A7=D9=84=D8=AE=D9=8A=D8=B1"
>=20
> ELISP> (cl-second mylist)
> "2nd-place clitics"
> ```
>=20
> The contents of the list is correct, but it is displayed incorrectly,
> as shown=2E
> This is not dependent on IELM, it also happens in the `*scratch*`
> buffer or in
> the echo area when evaluating `mylist`=2E The problem does not occur if
> the second
> element in the list does not start with a number=2E
>=20
> I used Arabic in the example, but Hebrew shows the same problem=2E The
> font is
> also not the issue: the above interaction is from `emacs -Q`, which
> uses a
> different font for Arabic (and Hebrew) on my system than when I use my
> full
> config=2E The problem occurs in either case=2E

The display is correct according to the rules of the UBA, the Unicode Bidi=
rectilnal Algorithm, which mandates how mixed RTL and LTR text should be re=
ordered for display=2E  As you see, the result can be confusing when struct=
ured text is rendered as if it were a single plain-text string=2E

Emacs has capabilities to do better, so if we are willing to invest effort=
s in this direction, I can suggest a couple of possible solutions, which wi=
ll have to do with using Unicode control characters around rhe textual repr=
esentation of Lisp data=2E

Message sent to bug-gnu-emacs@HIDDEN:

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On October 19, 2020 10:57:00 AM GMT+03:00, Andreas Schwab <schwab@linux-m68=
k=2Eorg> wrote:
> You will get the same effect in any buffer if you set
> bidi-paragraph-direction to 'left-to-right=2E

That is true, but the value nil doesn't solve the problem, and it is not r=
easonable, IMNSHO, to use right-to-left for IELM buffers (or any programmin=
g buffers)=2E

Message sent to bug-gnu-emacs@HIDDEN:

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On October 19, 2020 10:57:00 AM GMT+03:00, Andreas Schwab <schwab@linux-m68=
k=2Eorg> wrote:
> You will get the same effect in any buffer if you set
> bidi-paragraph-direction to 'left-to-right=2E

That is true, but the value nil doesn't solve the problem, and it is not r=
easonable, IMNSHO, to use right-to-left for IELM buffers (or any programmin=
g buffers)=2E

Last modified: Mon, 19 Oct 2020 08:30:02 UTC

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