GNU logs - #43909, boring messages

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Subject: bug#43909: 26.1; read syntax breaks prettify-symbols
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Date: Sat, 10 Oct 2020 15:44:30 +0000
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Hi,

I constated that using the read syntaxe ?\"
will interfere with any prettified symbols below it in the buffer.

To reproduce :
(setq-default prettify-symbols-alist '(("lambda" . 955)))
(prettify-symbols-mode 0)
(prettify-symbols-mode 1)
lambda
?\"
lambda


In GNU Emacs 26.1 (build 2, x86_64-pc-linux-gnu, GTK+ Version 3.24.5)
 of 2019-09-23, modified by Debian built on x86-grnet-01
Windowing system distributor 'The X.Org Foundation', version 11.0.12004000
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

Major mode: mu4e:main

Minor modes in effect:
  ivy-posframe-mode: t
  desktop-save-mode: t
  global-auto-revert-mode: t
  company-prescient-mode: t
  electric-pair-mode: t
  yas-global-mode: t
  save-place-mode: t
  savehist-mode: t
  shell-dirtrack-mode: t
  recentf-mode: t
  dired-async-mode: t
  ivy-rich-mode: t
  ivy-prescient-mode: t
  ivy-mode: t
  delete-selection-mode: t
  projectile-mode: t
  prescient-persist-mode: t
  override-global-mode: t
  show-paren-mode: t
  global-hl-line-mode: t
  display-time-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  global-prettify-symbols-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  blink-cursor-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
  overwrite-mode: overwrite-mode-binary

Load-path shadows:
/home/user/.emacs.d/elpa/map-2.1/map hides /usr/share/emacs/26.1/lisp/emacs-lisp/map
/home/user/.emacs.d/elpa/nadvice-0.3/nadvice hides /usr/share/emacs/26.1/lisp/emacs-lisp/nadvice
/home/user/.emacs.d/elpa/let-alist-1.0.6/let-alist hides /usr/share/emacs/26.1/lisp/emacs-lisp/let-alist

Features:
(shadow flyspell ispell face-remap emacsbug whitespace
elfeed-goodies-logging elfeed-goodies-new-entry-hooks mm-url gnus
nnheader elfeed-goodies-split-pane popwin elfeed-goodies-show-mode
ace-jump-mode noflet cl-indent elfeed-goodies-search-mode elfeed-goodies
elfeed-org elfeed-show elfeed-search bookmark shr svg dom elfeed-csv
elfeed elfeed-curl url url-proxy url-privacy url-expand url-methods
url-history url-cookie url-domsuf elfeed-log elfeed-db elfeed-lib
url-util url-queue xml-query xml epa-file org-mu4e mu4e mu4e-speedbar
speedbar sb-image ezimage dframe mu4e-main mu4e-view mu4e-headers
mu4e-compose mu4e-context mu4e-draft mu4e-actions org-capture ido
rfc2368 mu4e-mark mu4e-message flow-fill html2text mu4e-proc mu4e-utils
doc-view jka-compr image-mode mu4e-lists mu4e-vars message rmc puny
rfc822 mml mml-sec epa epg gnus-util rmail rmail-loaddefs mm-decode
mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader
mu4e-meta smtpmail sendmail rfc2047 rfc2045 ietf-drums mm-util
mail-prsvr mail-utils org-mime ox-org ox-md ox-latex ox-html table
ox-ascii ox-publish ox org-sidebar org-ql-view transient ov
org-super-agenda ht crm org-ql peg ts org-habit org-agenda
dash-functional ivy-posframe posframe mailcap move-text hydra lv
disp-table dashboard dashboard-widgets page-break-lines desktop frameset
rainbow-delimiters autorevert filenotify mark-multiple
smart-hungry-delete company-shell slime-company slime-fancy
slime-trace-dialog slime-fontifying-fu slime-package-fu slime-references
slime-compiler-notes-tree slime-scratch slime-presentations bridge
slime-macrostep macrostep slime-mdot-fu slime-enclosing-context
slime-fuzzy slime-fancy-trace slime-fancy-inspector slime-c-p-c
slime-editing-commands slime-autodoc slime-repl elp slime-parse slime
derived company-dabbrev-code company-dabbrev cap-words superword subword
gud apropos etags arc-mode archive-mode pp hyperspec browse-url
company-irony company-template irony-completion irony-snippet irony
irony-iotask company-c-headers flycheck-clang-analyzer flycheck-package
flycheck json company-prescient company skeleton package-lint rx
let-alist imenu finder lisp-mnt yasnippet-snippets yasnippet elec-pair
saveplace savehist tramp-cache tramp-sh tramp tramp-compat
tramp-loaddefs trampver ucs-normalize shell parse-time recentf
tree-widget dired-async dired-aux async find-dired wgrep counsel xdg
xref project dired dired-loaddefs swiper ivy-rich ivy-prescient map ivy
delsel colir ivy-overlay projectile grep compile ibuf-ext ibuffer
ibuffer-loaddefs thingatpt prescient org-bullets org-element avl-tree
generator org org-macro org-footnote org-pcomplete pcomplete org-list
org-faces org-entities noutline outline org-version ob-emacs-lisp ob
ob-tangle org-src ob-ref ob-lob ob-table ob-keys ob-exp ob-comint comint
ansi-color ring ob-core ob-eval org-compat org-macs org-loaddefs
format-spec find-func cal-menu calendar cal-loaddefs htmlize cl
use-package-bind-key bind-key easy-mmode paren beacon
use-package-delight linum-relative linum display-line-numbers hl-line
time minimal-theme edmacro kmacro cus-edit cus-start cus-load wid-edit
pcase spaceline-config spaceline-segments s spaceline subr-x powerline
powerline-separators color powerline-themes dash delight advice cl-extra
help-mode use-package-ensure use-package-core finder-inf slime-autoloads
info package easymenu epg-config url-handlers url-parse auth-source
cl-seq eieio eieio-core cl-macs eieio-loaddefs password-cache url-vars
seq byte-opt gv bytecomp byte-compile cconv cl-loaddefs cl-lib time-date
mule-util 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 menu-bar
rfn-eshadow isearch timer select scroll-bar mouse jit-lock font-lock
syntax facemenu font-core term/tty-colors frame 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 charscript charprop
case-table epa-hook jka-cmpr-hook help simple abbrev obarray minibuffer
cl-preloaded 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 dbusbind inotify lcms2
dynamic-setting system-font-setting font-render-setting move-toolbar gtk
x-toolkit x multi-tty make-network-process emacs)

Memory information:
((conses 16 821060 74591)
 (symbols 48 74728 1)
 (miscs 40 189 389)
 (strings 32 212292 20890)
 (string-bytes 1 6679386)
 (vectors 16 84144)
 (vector-slots 8 1525650 34128)
 (floats 8 595 548)
 (intervals 56 1501 448)
 (buffers 992 16))

--
<:3nn~~
   <:3nn~~
      <:3nn~~

--=-=-=
Content-Type: multipart/related; boundary="==-=-="

--==-=-=
Content-Type: text/html

<p>
Hi,<br />
</p>

<p>
I constated that using the read syntaxe ?\&ldquo;<br />
will interfere with any prettified symbols below it in the buffer.<br />
</p>

<p>
To reproduce :<br />
(setq-default prettify-symbols-alist &rsquo;((&ldquo;lambda&rdquo; . 955)))<br />
(prettify-symbols-mode 0)<br />
(prettify-symbols-mode 1)<br />
lambda<br />
?\&ldquo;<br />
lambda<br />
</p>


<p>
In GNU Emacs 26.1 (build 2, x86<sub>64</sub>-pc-linux-gnu, GTK+ Version 3.24.5)<br />
 of 2019-09-23, modified by Debian built on x86-grnet-01<br />
Windowing system distributor &rsquo;The X.Org Foundation&rsquo;, version 11.0.12004000<br />
System Description:	Debian GNU/Linux 10 (buster)<br />
</p>

<p>
Configured using:<br />
 &rsquo;configure &#x2013;build x86<sub>64</sub>-linux-gnu &#x2013;prefix=/usr<br />
 &#x2013;sharedstatedir=/var/lib &#x2013;libexecdir=/usr/lib<br />
 &#x2013;localstatedir=/var/lib &#x2013;infodir=/usr/share/info<br />
 &#x2013;mandir=/usr/share/man &#x2013;enable-libsystemd &#x2013;with-pop=yes<br />
 &#x2013;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<br />
 &#x2013;with-sound=alsa &#x2013;without-gconf &#x2013;with-mailutils &#x2013;build<br />
 x86<sub>64</sub>-linux-gnu &#x2013;prefix=/usr &#x2013;sharedstatedir=/var/lib<br />
 &#x2013;libexecdir=/usr/lib &#x2013;localstatedir=/var/lib<br />
 &#x2013;infodir=/usr/share/info &#x2013;mandir=/usr/share/man &#x2013;enable-libsystemd<br />
 &#x2013;with-pop=yes<br />
 &#x2013;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<br />
 &#x2013;with-sound=alsa &#x2013;without-gconf &#x2013;with-mailutils &#x2013;with-x=yes<br />
 &#x2013;with-x-toolkit=gtk3 &#x2013;with-toolkit-scroll-bars &rsquo;CFLAGS=-g -O2<br />
 -fdebug-prefix-map=/build/emacs-StqULU/emacs-26.1+1=. -fstack-protector-strong<br />
 -Wformat -Werror=format-security -Wall&rsquo; &rsquo;CPPFLAGS=-Wdate-time<br />
 -D<sub>FORTIFY</sub><sub>SOURCE</sub>=2&rsquo; LDFLAGS=-Wl,-z,relro&rsquo;<br />
</p>

<p>
Configured features:<br />
XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GSETTINGS NOTIFY<br />
ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N<sub>FLT</sub> LIBOTF XFT ZLIB<br />
TOOLKIT<sub>SCROLL</sub><sub>BARS</sub> GTK3 X11 THREADS LIBSYSTEMD LCMS2<br />
</p>

<p>
Important settings:<br />
  value of $LANG: en<sub>US.UTF</sub>-8<br />
  locale-coding-system: utf-8<br />
</p>

<p>
Major mode: <a href="main">main</a><br />
</p>

<p>
Minor modes in effect:<br />
  ivy-posframe-mode: t<br />
  desktop-save-mode: t<br />
  global-auto-revert-mode: t<br />
  company-prescient-mode: t<br />
  electric-pair-mode: t<br />
  yas-global-mode: t<br />
  save-place-mode: t<br />
  savehist-mode: t<br />
  shell-dirtrack-mode: t<br />
  recentf-mode: t<br />
  dired-async-mode: t<br />
  ivy-rich-mode: t<br />
  ivy-prescient-mode: t<br />
  ivy-mode: t<br />
  delete-selection-mode: t<br />
  projectile-mode: t<br />
  prescient-persist-mode: t<br />
  override-global-mode: t<br />
  show-paren-mode: t<br />
  global-hl-line-mode: t<br />
  display-time-mode: t<br />
  tooltip-mode: t<br />
  global-eldoc-mode: t<br />
  electric-indent-mode: t<br />
  mouse-wheel-mode: t<br />
  global-prettify-symbols-mode: t<br />
  file-name-shadow-mode: t<br />
  global-font-lock-mode: t<br />
  blink-cursor-mode: t<br />
  auto-composition-mode: t<br />
  auto-encryption-mode: t<br />
  auto-compression-mode: t<br />
  buffer-read-only: t<br />
  column-number-mode: t<br />
  line-number-mode: t<br />
  transient-mark-mode: t<br />
  overwrite-mode: overwrite-mode-binary<br />
</p>

<p>
Load-path shadows:<br />
<i>home/user</i>.emacs.d/elpa/map-2.1/map hides <i>usr/share/emacs/26.1/lisp/emacs-lisp/map<br />
/home/user</i>.emacs.d/elpa/nadvice-0.3/nadvice hides <i>usr/share/emacs/26.1/lisp/emacs-lisp/nadvice<br />
/home/user</i>.emacs.d/elpa/let-alist-1.0.6/let-alist hides /usr/share/emacs/26.1/lisp/emacs-lisp/let-alist<br />
</p>

<p>
Features:<br />
(shadow flyspell ispell face-remap emacsbug whitespace<br />
elfeed-goodies-logging elfeed-goodies-new-entry-hooks mm-url gnus<br />
nnheader elfeed-goodies-split-pane popwin elfeed-goodies-show-mode<br />
ace-jump-mode noflet cl-indent elfeed-goodies-search-mode elfeed-goodies<br />
elfeed-org elfeed-show elfeed-search bookmark shr svg dom elfeed-csv<br />
elfeed elfeed-curl url url-proxy url-privacy url-expand url-methods<br />
url-history url-cookie url-domsuf elfeed-log elfeed-db elfeed-lib<br />
url-util url-queue xml-query xml epa-file org-mu4e mu4e mu4e-speedbar<br />
speedbar sb-image ezimage dframe mu4e-main mu4e-view mu4e-headers<br />
mu4e-compose mu4e-context mu4e-draft mu4e-actions org-capture ido<br />
rfc2368 mu4e-mark mu4e-message flow-fill html2text mu4e-proc mu4e-utils<br />
doc-view jka-compr image-mode mu4e-lists mu4e-vars message rmc puny<br />
rfc822 mml mml-sec epa epg gnus-util rmail rmail-loaddefs mm-decode<br />
mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader<br />
mu4e-meta smtpmail sendmail rfc2047 rfc2045 ietf-drums mm-util<br />
mail-prsvr mail-utils org-mime ox-org ox-md ox-latex ox-html table<br />
ox-ascii ox-publish ox org-sidebar org-ql-view transient ov<br />
org-super-agenda ht crm org-ql peg ts org-habit org-agenda<br />
dash-functional ivy-posframe posframe mailcap move-text hydra lv<br />
disp-table dashboard dashboard-widgets page-break-lines desktop frameset<br />
rainbow-delimiters autorevert filenotify mark-multiple<br />
smart-hungry-delete company-shell slime-company slime-fancy<br />
slime-trace-dialog slime-fontifying-fu slime-package-fu slime-references<br />
slime-compiler-notes-tree slime-scratch slime-presentations bridge<br />
slime-macrostep macrostep slime-mdot-fu slime-enclosing-context<br />
slime-fuzzy slime-fancy-trace slime-fancy-inspector slime-c-p-c<br />
slime-editing-commands slime-autodoc slime-repl elp slime-parse slime<br />
derived company-dabbrev-code company-dabbrev cap-words superword subword<br />
gud apropos etags arc-mode archive-mode pp hyperspec browse-url<br />
company-irony company-template irony-completion irony-snippet irony<br />
irony-iotask company-c-headers flycheck-clang-analyzer flycheck-package<br />
flycheck json company-prescient company skeleton package-lint rx<br />
let-alist imenu finder lisp-mnt yasnippet-snippets yasnippet elec-pair<br />
saveplace savehist tramp-cache tramp-sh tramp tramp-compat<br />
tramp-loaddefs trampver ucs-normalize shell parse-time recentf<br />
tree-widget dired-async dired-aux async find-dired wgrep counsel xdg<br />
xref project dired dired-loaddefs swiper ivy-rich ivy-prescient map ivy<br />
delsel colir ivy-overlay projectile grep compile ibuf-ext ibuffer<br />
ibuffer-loaddefs thingatpt prescient org-bullets org-element avl-tree<br />
generator org org-macro org-footnote org-pcomplete pcomplete org-list<br />
org-faces org-entities noutline outline org-version ob-emacs-lisp ob<br />
ob-tangle org-src ob-ref ob-lob ob-table ob-keys ob-exp ob-comint comint<br />
ansi-color ring ob-core ob-eval org-compat org-macs org-loaddefs<br />
format-spec find-func cal-menu calendar cal-loaddefs htmlize cl<br />
use-package-bind-key bind-key easy-mmode paren beacon<br />
use-package-delight linum-relative linum display-line-numbers hl-line<br />
time minimal-theme edmacro kmacro cus-edit cus-start cus-load wid-edit<br />
pcase spaceline-config spaceline-segments s spaceline subr-x powerline<br />
powerline-separators color powerline-themes dash delight advice cl-extra<br />
help-mode use-package-ensure use-package-core finder-inf slime-autoloads<br />
info package easymenu epg-config url-handlers url-parse auth-source<br />
cl-seq eieio eieio-core cl-macs eieio-loaddefs password-cache url-vars<br />
seq byte-opt gv bytecomp byte-compile cconv cl-loaddefs cl-lib time-date<br />
mule-util tooltip eldoc electric uniquify ediff-hook vc-hooks<br />
lisp-float-type mwheel term/x-win x-win term/common-win x-dnd tool-bar<br />
dnd fontset image regexp-opt fringe tabulated-list replace newcomment<br />
text-mode elisp-mode lisp-mode prog-mode register page menu-bar<br />
rfn-eshadow isearch timer select scroll-bar mouse jit-lock font-lock<br />
syntax facemenu font-core term/tty-colors frame cl-generic cham georgian<br />
utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean<br />
japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european<br />
ethiopic indian cyrillic chinese composite charscript charprop<br />
case-table epa-hook jka-cmpr-hook help simple abbrev obarray minibuffer<br />
cl-preloaded nadvice loaddefs button faces cus-face macroexp files<br />
text-properties overlay sha1 md5 base64 format env code-pages mule<br />
custom widget hashtable-print-readable backquote dbusbind inotify lcms2<br />
dynamic-setting system-font-setting font-render-setting move-toolbar gtk<br />
x-toolkit x multi-tty make-network-process emacs)<br />
</p>

<p>
Memory information:<br />
((conses 16 821060 74591)<br />
 (symbols 48 74728 1)<br />
 (miscs 40 189 389)<br />
 (strings 32 212292 20890)<br />
 (string-bytes 1 6679386)<br />
 (vectors 16 84144)<br />
 (vector-slots 8 1525650 34128)<br />
 (floats 8 595 548)<br />
 (intervals 56 1501 448)<br />
 (buffers 992 16))<br />
</p>

<p>
&#x2013;<br />
&lt;:3nn~~<br />
   &lt;:3nn~~<br />
      &lt;:3nn~~<br />
</p>

--==-=-=--

--=-=-=--

Message sent:

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X-Loop: help-debbugs@HIDDEN
From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: marmot-te <marmot-te@HIDDEN>
Subject: bug#43909: Acknowledgement (26.1; read syntax breaks
 prettify-symbols)
Message-ID: <handler.43909.B.16023447494832.ack <at> debbugs.gnu.org>
References: <875z7im6g1.fsf@HIDDEN>
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Date: Sat, 10 Oct 2020 15:46:02 +0000

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Subject: bug#43909: 26.1; read syntax breaks prettify-symbols
Resent-From: Lars Ingebrigtsen <larsi@HIDDEN>
Original-Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org>
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Resent-Date: Sat, 10 Oct 2020 20:22:02 +0000
Resent-Message-ID: <handler.43909.B43909.160236130430901 <at> debbugs.gnu.org>
Resent-Sender: help-debbugs@HIDDEN
To: marmot-te <marmot-te@HIDDEN>
Cc: 43909 <at> debbugs.gnu.org
From: Lars Ingebrigtsen <larsi@HIDDEN>
References: <875z7im6g1.fsf@HIDDEN>
Date: Sat, 10 Oct 2020 22:21:31 +0200
In-Reply-To: <875z7im6g1.fsf@HIDDEN> (marmot-te@HIDDEN's message
 of "Sat, 10 Oct 2020 15:44:30 +0000")
Message-ID: <874kn13k8k.fsf@HIDDEN>
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="=-=-="
 
 Content preview:  marmot-te <marmot-te@HIDDEN> writes: > I constated that
    using the read syntaxe =?UTF-8?Q?=3F\=E2=80=9C?= > will interfere with any prettified symbols
    below it in the buffer. > > To reproduce : > (setq-default prettify-symbols-alist
    =?UTF-8?Q?=E2=80=99?=((=?UTF-8?Q?=E2=80=9Clambda=E2=80=9D?= . 955)) [...] 
 
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--=-=-=
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable

marmot-te <marmot-te@HIDDEN> writes:

> I constated that using the read syntaxe ?\=E2=80=9C
> will interfere with any prettified symbols below it in the buffer.
>
> To reproduce :
> (setq-default prettify-symbols-alist =E2=80=99((=E2=80=9Clambda=E2=80=9D =
. 955)))
> (prettify-symbols-mode 0)
> (prettify-symbols-mode 1)
> lambda
> ?\=E2=80=9C
> lambda

I'm guessing that your mail software has destroyed the code example, and
that it was supposed to be:

(setq-default prettify-symbols-alist '(("lambda" . 955)))
(prettify-symbols-mode 0)
(prettify-symbols-mode 1)
lambda
?\"
lambda

If I try that example, though, I'm not able to reproduce the bug.  I
get:


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--=-=-=
Content-Type: text/plain


Are you able to reproduce the bug starting from "emacs -Q"?

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

--=-=-=--

Message sent to bug-gnu-emacs@HIDDEN:

Subject: bug#43909: 26.1; read syntax breaks prettify-symbols
Resent-From: Michael Heerdegen <michael_heerdegen@HIDDEN>
Original-Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org>
Resent-CC: bug-gnu-emacs@HIDDEN
Resent-Date: Sun, 11 Oct 2020 09:06:01 +0000
Resent-Message-ID: <handler.43909.B43909.160240711022050 <at> debbugs.gnu.org>
Resent-Sender: help-debbugs@HIDDEN
To: Lars Ingebrigtsen <larsi@HIDDEN>
Cc: 43909 <at> debbugs.gnu.org, marmot-te <marmot-te@HIDDEN>
From: Michael Heerdegen <michael_heerdegen@HIDDEN>
References: <875z7im6g1.fsf@HIDDEN> <874kn13k8k.fsf@HIDDEN>
Date: Sun, 11 Oct 2020 11:04:52 +0200
In-Reply-To: <874kn13k8k.fsf@HIDDEN> (Lars Ingebrigtsen's message of "Sat,
 10 Oct 2020 22:21:31 +0200")
Message-ID: <87eem5jfpn.fsf@HIDDEN>
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)
MIME-Version: 1.0
Content-Type: text/plain
Precedence: list
Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org
Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org>

Lars Ingebrigtsen <larsi@HIDDEN> writes:

> I'm guessing that your mail software has destroyed the code example, and
> that it was supposed to be:
>
> (setq-default prettify-symbols-alist '(("lambda" . 955)))
> (prettify-symbols-mode 0)
> (prettify-symbols-mode 1)
> lambda
> ?\"
> lambda

I also tried this with emacs-26.1 (in *scratch*) and saw nothing
unexpected.  A recipe for emacs -Q and an explanation of what
"interfere" exactly means would be nice @marmot-te.

Michael.

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--=-=-=
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable


On Sat, Oct 10 2020, Lars Ingebrigtsen wrote:

> marmot-te <marmot-te@HIDDEN> writes:
>
>> I constated that using the read syntaxe ?\=E2=80=9C
>> will interfere with any prettified symbols below it in the buffer.
>>
> L : I'm guessing that your mail software has destroyed the code example, =
and

However I don't see any problem when I send it to my self, it's mu4e.
Should I escape somehow my backslashs ?

>L : that it was supposed to be:
[...]

yes

> M : A recipe for emacs -Q and an explanation of what
"interfere" exactly means would be nice

In the previous mail I forget the point : this bug appears in ~org-mode~
buffers.
Do I need to forward to another mailing list the issue ?

So in a scratch buffer, with emacs -Q, here the recipe :

(add-hook 'org-mode-hook 'prettify-symbols-mode)

?\" ;; after this point prettify does not behave correctly anymore

 ;; this will be a _lambda_ symbol when it should not
(setq-default prettify-symbols-alist '(("lambda" . 955)))

(org-mode)
(prettify-symbols-mode 0)
(prettify-symbols-mode 1)

 ;; this will not be a _lambda_ symbol when it should
lambda


?\"  ;; after this point prettify behaves correctly again

 ;; this will be a _lambda_ symbol like it should
lambda



--
<:3nn~~
   <:3nn~~
      <:3nn~~

--=-=-=
Content-Type: multipart/related; boundary="==-=-="

--==-=-=
Content-Type: text/html; charset=utf-8
Content-Transfer-Encoding: quoted-printable

<p>
On Sat, Oct 10 2020, Lars Ingebrigtsen wrote:<br />
</p>

<p>
&gt; marmot-te &lt;marmot-te@HIDDEN&gt; writes:<br />
&gt;<br />
&gt;&gt; I constated that using the read syntaxe ?\=E2=80=9C<br />
&gt;&gt; will interfere with any prettified symbols below it in the buffer.=
<br />
&gt;&gt;<br />
&gt; L : I&rsquo;m guessing that your mail software has destroyed the code =
example, and<br />
</p>

<p>
However I don&rsquo;t see any problem when I send it to my self, it&rsquo;s=
 mu4e.<br />
Should I escape somehow my backslashs ?<br />
</p>

<p>
&gt;L : that it was supposed to be:<br />
[&#x2026;]<br />
</p>

<p>
yes<br />
</p>

<p>
&gt; M : A recipe for emacs -Q and an explanation of what<br />
&ldquo;interfere&rdquo; exactly means would be nice<br />
</p>

<p>
In the previous mail I forget the point : this bug appears in <code>org-mod=
e</code><br />
buffers.<br />
Do I need to forward to another mailing list the issue ?<br />
</p>

<p>
So in a scratch buffer, with emacs -Q, here the recipe :<br />
</p>

<p>
(add-hook &rsquo;org-mode-hook &rsquo;prettify-symbols-mode)<br />
</p>

<p>
?\&ldquo; ;; after this point prettify does not behave correctly anymore<br=
 />
</p>

<p>
 ;; this will be a <span class=3D"underline">lambda</span> symbol when it s=
hould not<br />
(setq-default prettify-symbols-alist &rsquo;((&ldquo;lambda&rdquo; . 955)))=
<br />
</p>

<p>
(org-mode)<br />
(prettify-symbols-mode 0)<br />
(prettify-symbols-mode 1)<br />
</p>

<p>
 ;; this will not be a <span class=3D"underline">lambda</span> symbol when =
it should<br />
lambda<br />
</p>


<p>
?\&ldquo;  ;; after this point prettify behaves correctly again<br />
</p>

<p>
 ;; this will be a <span class=3D"underline">lambda</span> symbol like it s=
hould<br />
lambda<br />
</p>



<p>
&#x2013;<br />
&lt;:3nn~~<br />
   &lt;:3nn~~<br />
      &lt;:3nn~~<br />
</p>

--==-=-=--

--=-=-=--

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 Content preview:  marmot-te <marmot-te@HIDDEN> writes: > On Sat, Oct 10
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    >> >>> I constated that using the read syntaxe =?UTF-8?Q?=3F\=E2=80=9C?= >>> will interfere with
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marmot-te <marmot-te@HIDDEN> writes:

> On Sat, Oct 10 2020, Lars Ingebrigtsen wrote:
>
>> marmot-te <marmot-te@HIDDEN> writes:
>>
>>> I constated that using the read syntaxe ?\=E2=80=9C
>>> will interfere with any prettified symbols below it in the buffer.
>>>
>> L : I=E2=80=99m guessing that your mail software has destroyed the code =
example, and
>
> However I don=E2=80=99t see any problem when I send it to my self, it=E2=
=80=99s mu4e.
> Should I escape somehow my backslashs ?

The destruction was that your " characters (0x22) are translated into =E2=
=80=9C
characters (0x201c) (and so on), so it's not valid Emacs Lisp any more.
Please adjust the mail software you're using, because none of the code
examples you're posting can be used by other people.  (And re-send the
example for bug reproduction.)

--=20
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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Le 2020-10-13 00:41, Lars Ingebrigtsen a écrit :

> L : The destruction was that your " characters (0x22) are translated into “
> characters (0x201c) (and so on), so it's not valid Emacs Lisp any more.
> Please adjust the mail software you're using, because none of the code
> examples you're posting can be used by other people.  (And re-send the
> example for bug reproduction.)

Sorry about that, if ever you want to know, it was a package which setup
org-mode in mu4e message which alter the quotation unless they are in a
source code block.
I think it will be ok now

> M : A recipe for emacs -Q and an explanation of what
> "interfere" exactly means would be nice

In the previous mail I forget the point : this bug appears in ~org-mode~
buffers.
Do I need to forward to another mailing list the issue ?

So in a scratch buffer, with emacs -Q, here the recipe :

(add-hook 'org-mode-hook 'prettify-symbols-mode)

?\" ;; after this point prettify does not behave correctly anymore

 ;; this will be a _lambda_ symbol when it should not
(setq-default prettify-symbols-alist '(("lambda" . 955)))

(org-mode)
(prettify-symbols-mode 0)
(prettify-symbols-mode 1)

 ;; this will not be a _lambda_ symbol when it should
lambda


?\"  ;; after this point prettify behaves correctly again

 ;; this will be a _lambda_ symbol like it should
lambda


--
<:3nn~~
   <:3nn~~
      <:3nn~~

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Subject: bug#43909: 26.1; read syntax breaks prettify-symbols
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From: Lars Ingebrigtsen <larsi@HIDDEN>
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 Content preview:  Sake <marmot-te@HIDDEN> writes: > ?\" ; ;
 after this point
 prettify does not behave correctly anymore > > ;; this will be a _lambda_
 symbol when it should not > (setq-default prettify-symbols-alist '(("lambda"
 . 955))) > > (org-mode) [...] 
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Sake <marmot-te@HIDDEN> writes:

> ?\" ;; after this point prettify does not behave correctly anymore
>
>  ;; this will be a _lambda_ symbol when it should not
> (setq-default prettify-symbols-alist '(("lambda" . 955)))
>
> (org-mode)
> (prettify-symbols-mode 0)
> (prettify-symbols-mode 1)

Thanks for the recipe -- I can reproduce this in Emacs 28, too (but only
in org-mode).  Perhaps somebody with more experience with Org can take a
look at this?

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

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