GNU logs - #76445, boring messages

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Subject: bug#76445: 31.0.50; `eww' makes display property sticky
Resent-From: Manuel Giraud <manuel@HIDDEN>
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Date: Thu, 20 Feb 2025 20:01:04 +0100
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Hi,

Here is a recipe that makes characters typed into a bug report
invisible.

   - emacs -Q
   - M-x eww <RET> gnu.org <RET>
   - M-x report-emacs-bug <RET> foo <RET>

Now in the message buffer for the report, any character you type won't
appear.  A previous discussion with Eli on help-gnu-emacs shows that
this comes from an incorrect value of `text-property-default-nonsticky'.


In GNU Emacs 31.0.50 (build 2, x86_64-unknown-openbsd7.6, X toolkit) of
 2025-02-20 built on computer
Repository revision: d80ac0fbaa09826342a9818014ae950acc7c0c03
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12101015
System Description: OpenBSD computer 7.6 GENERIC.MP#554 amd64

Configured using:
 'configure CC=egcc CPPFLAGS=-I/usr/local/include
 LDFLAGS=-L/usr/local/lib MAKEINFO=gmakeinfo --prefix=/home/manuel/emacs
 --bindir=/home/manuel/bin --with-x-toolkit=lucid
 --with-toolkit-scroll-bars=no --without-cairo
 --without-compress-install'

Configured features:
DBUS FREETYPE GIF GLIB GMP GNUTLS GSETTINGS HARFBUZZ JPEG LCMS2 LIBOTF
LIBXML2 M17N_FLT MODULES NOTIFY KQUEUE PDUMPER PNG RSVG SQLITE3 THREADS
TIFF TREE_SITTER WEBP X11 XAW3D XDBE XFT XIM XINERAMA XINPUT2 XPM XRANDR
LUCID ZLIB

Important settings:
  value of $LC_CTYPE: en_US.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Shell

Minor modes in effect:
  display-time-mode: t
  display-battery-mode: t
  desktop-save-mode: t
  exwm-randr-mode: t
  server-mode: t
  shell-dirtrack-mode: t
  comint-fontify-input-mode: t
  electric-pair-mode: t
  override-global-mode: t
  repeat-mode: t
  global-eldoc-mode: t
  show-paren-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  minibuffer-regexp-mode: t
  line-number-mode: t
  indent-tabs-mode: t
  transient-mark-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t

Load-path shadows:
/home/manuel/prog/elisp/exwm/exwm hides /home/manuel/.emacs.d/elpa/exwm-0.33/exwm
/home/manuel/prog/elisp/exwm/exwm-xsettings hides /home/manuel/.emacs.d/elpa/exwm-0.33/exwm-xsettings
/home/manuel/prog/elisp/exwm/exwm-xim hides /home/manuel/.emacs.d/elpa/exwm-0.33/exwm-xim
/home/manuel/prog/elisp/exwm/exwm-workspace hides /home/manuel/.emacs.d/elpa/exwm-0.33/exwm-workspace
/home/manuel/prog/elisp/exwm/exwm-randr hides /home/manuel/.emacs.d/elpa/exwm-0.33/exwm-randr
/home/manuel/prog/elisp/exwm/exwm-manage hides /home/manuel/.emacs.d/elpa/exwm-0.33/exwm-manage
/home/manuel/prog/elisp/exwm/exwm-layout hides /home/manuel/.emacs.d/elpa/exwm-0.33/exwm-layout
/home/manuel/prog/elisp/exwm/exwm-input hides /home/manuel/.emacs.d/elpa/exwm-0.33/exwm-input
/home/manuel/prog/elisp/exwm/exwm-floating hides /home/manuel/.emacs.d/elpa/exwm-0.33/exwm-floating
/home/manuel/prog/elisp/exwm/exwm-systemtray hides /home/manuel/.emacs.d/elpa/exwm-0.33/exwm-systemtray
/home/manuel/prog/elisp/exwm/exwm-core hides /home/manuel/.emacs.d/elpa/exwm-0.33/exwm-core
/home/manuel/prog/elisp/exwm/exwm-background hides /home/manuel/.emacs.d/elpa/exwm-0.33/exwm-background
/home/manuel/.emacs.d/elpa/ef-themes-1.9.0/theme-loaddefs hides /home/manuel/emacs/share/emacs/31.0.50/lisp/theme-loaddefs

Features:
(mailalias smtpmail gnus-cite textsec uni-scripts idna-mapping
ucs-normalize uni-confusable textsec-check gnus-async gnus-bcklg gnus-ml
gnus-topic qp mm-archive url-cache utf-7 imap rfc2104 nndoc nndraft nnmh
network-stream nnfolder nnml gnus-agent gnus-srvr gnus-score score-mode
nnvirtual nntp gnus-cache nnrss shadow sort mail-extr emacsbug
org-agenda cus-start org-indent conf-mode tex-mode oc-basic org-element
org-persist org-id org-element-ast inline avl-tree ol-eww eww vtable
url-queue mm-url ol-rmail ol-mhe ol-irc ol-info ol-gnus nnselect
ol-docview ol-bibtex bibtex ol-bbdb ol-w3m ol-doi org-link-doi
gnus-icalendar org-capture org-refile org ob ob-tangle ob-ref ob-lob
ob-table ob-exp org-macro org-src sh-script smie treesit executable
ob-comint org-pcomplete org-list org-footnote org-faces org-entities
org-version ob-emacs-lisp ob-core ob-eval org-cycle org-table ol
org-fold org-fold-core org-keys oc org-loaddefs org-compat org-macs
doc-view filenotify jka-compr image-mode exif hideshow rng-xsd
xsd-regexp rng-cmpct rng-nxml rng-valid rng-loc rng-uri rng-parse
nxml-parse rng-match rng-dt rng-util rng-pttrn nxml-ns nxml-mode
nxml-outln nxml-rap sgml-mode facemenu nxml-util nxml-enc xmltok vc-hg
vc-bzr vc-src vc-sccs vc-svn vc-cvs vc-rcs log-view log-edit add-log
pcvs-util mule-util on-screen macrostep-c cmacexp debbugs-browse
bug-reference hi-lock gnus-dired vc-git diff-mode track-changes vc-dir
ewoc vc vc-dispatcher time battery desktop frameset exwm-randr xcb-randr
exwm exwm-input xcb-keysyms xcb-xkb exwm-manage exwm-floating xcb-cursor
xcb-render exwm-layout exwm-workspace exwm-core xcb-ewmh xcb-icccm xcb
xcb-xproto xcb-types xcb-debug server ef-themes modus-operandi-theme
modus-themes zone speed-type url-http url-auth url-gw nsm ytdious
mpdired transmission color calc-bin calc-ext calc calc-loaddefs rect
calc-macs supercite regi ebdb-gnus gnus-msg gnus-art mm-uu mml2015
mm-view mml-smime smime gnutls dig gnus-sum shr pixel-fill kinsoku
url-file svg dom gnus-group gnus-undo gnus-start gnus-dbus dbus xml
gnus-cloud nnimap nnmail mail-source utf7 nnoo gnus-spec gnus-int
gnus-range gnus-win ebdb-message message yank-media puny rfc822 mml
mml-sec epa epg rfc6068 epg-config mm-decode mm-bodies mm-encode
mail-parse rfc2231 gmm-utils mailheader ebdb-mua ebdb-com crm
ebdb-format ebdb mailabbrev eieio-opt speedbar ezimage dframe find-func
eieio-base timezone icalendar gnus nnheader gnus-util range sendmail
rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils web-mode
derived disp-table erlang-start skeleton cc-mode cc-fonts cc-guess
cc-menus cc-cmds cc-styles cc-align cc-engine cc-vars cc-defs slime-asdf
grep slime-tramp tramp rx trampver tramp-integration files-x
tramp-message tramp-compat shell pcomplete parse-time iso8601 time-date
format-spec tramp-loaddefs slime-fancy slime-indentation slime-cl-indent
cl-indent slime-trace-dialog slime-fontifying-fu slime-package-fu
slime-references slime-compiler-notes-tree advice slime-scratch
slime-presentations slime-macrostep macrostep compat 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 slime-parse slime apropos compile text-property-search etags
fileloop generator xref project arc-mode archive-mode noutline outline
comint ansi-osc ansi-color ring hyperspec thingatpt elec-pair edmacro
kmacro use-package-bind-key bind-key appt diary-lib diary-loaddefs
cal-menu calendar cal-loaddefs pcase dired-x dired-aux dired
dired-loaddefs use-package-core repeat easy-mmode cus-edit pp cus-load
wid-edit debbugs-autoloads ebdb-autoloads cl-extra help-mode
ef-themes-autoloads exwm-autoloads gnuplot-autoloads hyperbole-autoloads
kotl-autoloads hact set hhist notmuch-autoloads on-screen-autoloads
osm-autoloads pdf-tools-autoloads rust-mode-autoloads info
slime-autoloads macrostep-autoloads speed-type-autoloads
sudo-edit-autoloads svg-clock-autoloads tablist-autoloads
transmission-autoloads xelb-autoloads ytdious-autoloads package
browse-url xdg url url-proxy url-privacy url-expand url-methods
url-history url-cookie generate-lisp-file url-domsuf url-util mailcap
url-handlers url-parse auth-source cl-seq eieio eieio-core cl-macs icons
password-cache json subr-x map byte-opt gv bytecomp byte-compile
url-vars cl-loaddefs cl-lib rmc iso-transl tooltip cconv eldoc paren
electric uniquify ediff-hook vc-hooks lisp-float-type elisp-mode mwheel
term/x-win x-win term/common-win x-dnd touch-screen 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 nadvice seq simple cl-generic
indonesian philippine 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 abbrev obarray oclosure cl-preloaded button loaddefs
theme-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 kqueue lcms2
dynamic-setting system-font-setting font-render-setting x-toolkit
xinput2 x multi-tty move-toolbar make-network-process tty-child-frames
emacs)

Memory information:
((conses 16 1041098 449040) (symbols 48 58662 40)
 (strings 32 290945 32447) (string-bytes 1 8153561)
 (vectors 16 180781) (vector-slots 8 2453492 88159) (floats 8 670 236)
 (intervals 56 16260 1018) (buffers 992 92))

-- 
Manuel Giraud

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: Manuel Giraud <manuel@HIDDEN>
Subject: bug#76445: Acknowledgement (31.0.50; `eww' makes display property
 sticky)
Message-ID: <handler.76445.B.174007808631055.ack <at> debbugs.gnu.org>
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Date: Thu, 20 Feb 2025 19:02:02 +0000

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Message sent to bug-gnu-emacs@HIDDEN:

Subject: bug#76445: 31.0.50; `eww' makes display property sticky
Resent-From: Eli Zaretskii <eliz@HIDDEN>
Original-Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org>
Resent-CC: bug-gnu-emacs@HIDDEN
Resent-Date: Fri, 21 Feb 2025 08:33:02 +0000
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To: Manuel Giraud <manuel@HIDDEN>, Stefan Monnier <monnier@HIDDEN>
Cc: 76445 <at> debbugs.gnu.org
Date: Fri, 21 Feb 2025 10:32:18 +0200
Message-Id: <86o6yv1ywd.fsf@HIDDEN>
From: Eli Zaretskii <eliz@HIDDEN>
In-Reply-To: <87r03so2z3.fsf@HIDDEN> (message from Manuel Giraud on
 Thu, 20 Feb 2025 20:01:04 +0100)
References: <87r03so2z3.fsf@HIDDEN>
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> From: Manuel Giraud <manuel@HIDDEN>
> Date: Thu, 20 Feb 2025 20:01:04 +0100
> 
> Here is a recipe that makes characters typed into a bug report
> invisible.
> 
>    - emacs -Q
>    - M-x eww <RET> gnu.org <RET>
>    - M-x report-emacs-bug <RET> foo <RET>
> 
> Now in the message buffer for the report, any character you type won't
> appear.  A previous discussion with Eli on help-gnu-emacs shows that
> this comes from an incorrect value of `text-property-default-nonsticky'.

Could you see if making this part in eww-mode:

  (setq text-property-default-nonsticky '((face . t) (eww-form . t)
                                          (field . t))))

set only the buffer-local value of text-property-default-nonsticky
solves the problem without any regressions in eww-mode itself?

Stefan, does it make sense to have this variable _not_ be buffer-local
when set?

Message sent to bug-gnu-emacs@HIDDEN:

Subject: bug#76445: 31.0.50; `eww' makes display property sticky
Resent-From: Manuel Giraud <manuel@HIDDEN>
Original-Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org>
Resent-CC: bug-gnu-emacs@HIDDEN
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Resent-Sender: help-debbugs@HIDDEN
To: Eli Zaretskii <eliz@HIDDEN>
Cc: 76445 <at> debbugs.gnu.org, Stefan Monnier <monnier@HIDDEN>
From: Manuel Giraud <manuel@HIDDEN>
In-Reply-To: <86o6yv1ywd.fsf@HIDDEN>
References: <87r03so2z3.fsf@HIDDEN> <86o6yv1ywd.fsf@HIDDEN>
Date: Fri, 21 Feb 2025 11:04:38 +0100
Message-ID: <87ikp3obpl.fsf@HIDDEN>
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--=-=-=
Content-Type: text/plain

Eli Zaretskii <eliz@HIDDEN> writes:

>> From: Manuel Giraud <manuel@HIDDEN>
>> Date: Thu, 20 Feb 2025 20:01:04 +0100
>> 
>> Here is a recipe that makes characters typed into a bug report
>> invisible.
>> 
>>    - emacs -Q
>>    - M-x eww <RET> gnu.org <RET>
>>    - M-x report-emacs-bug <RET> foo <RET>
>> 
>> Now in the message buffer for the report, any character you type won't
>> appear.  A previous discussion with Eli on help-gnu-emacs shows that
>> this comes from an incorrect value of `text-property-default-nonsticky'.
>
> Could you see if making this part in eww-mode:
>
>   (setq text-property-default-nonsticky '((face . t) (eww-form . t)
>                                           (field . t))))
>
> set only the buffer-local value of text-property-default-nonsticky
> solves the problem without any regressions in eww-mode itself?

I have lightly tested with the attached patch.  This fixes the issue and
EWW seems to work as usual.  Thanks.

--=-=-=
Content-Type: text/x-patch
Content-Disposition: attachment;
 filename=0001-Fix-disappearing-chars-bug-76445.patch

From 9f56644db64929004cd967f6b8d49c8357286874 Mon Sep 17 00:00:00 2001
From: Manuel Giraud <manuel@HIDDEN>
Date: Fri, 21 Feb 2025 11:01:10 +0100
Subject: [PATCH] Fix "disappearing chars" bug#76445

* lisp/net/eww.el (eww-mode): Set the buffer local value of
`text-property-default-nonsticky'
---
 lisp/net/eww.el | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lisp/net/eww.el b/lisp/net/eww.el
index 18a72e97fcb..1ed1b491c71 100644
--- a/lisp/net/eww.el
+++ b/lisp/net/eww.el
@@ -1416,8 +1416,8 @@ eww-mode
   (setq buffer-read-only t)
   ;; Insertion at the first character of a field should inherit the
   ;; field's face, form and field, not the previous character's.
-  (setq text-property-default-nonsticky '((face . t) (eww-form . t)
-                                          (field . t))))
+  (setq-local text-property-default-nonsticky '((face . t) (eww-form . t)
+                                                (field . t))))
 
 (declare-function imagep "image.c")
 (defvar text-scale-mode)
-- 
2.48.1


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

-- 
Manuel Giraud

--=-=-=--

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From: Stefan Monnier <monnier@HIDDEN>
In-Reply-To: <86o6yv1ywd.fsf@HIDDEN> (Eli Zaretskii's message of "Fri, 21 Feb
 2025 10:32:18 +0200")
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References: <87r03so2z3.fsf@HIDDEN> <86o6yv1ywd.fsf@HIDDEN>
Date: Fri, 21 Feb 2025 08:51:41 -0500
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> Could you see if making this part in eww-mode:
>
>   (setq text-property-default-nonsticky '((face . t) (eww-form . t)
>                                           (field . t))))
>
> set only the buffer-local value of text-property-default-nonsticky
> solves the problem without any regressions in eww-mode itself?
>
> Stefan, does it make sense to have this variable _not_ be buffer-local
> when set?

I don't think I have more expertise than others in this area, but yes it
would make sense for this var to be auto-buffer-local.  It's dangerous
to change its global value, so it makes sense to do it only in response
to `setq-default`.


        Stefan

Last modified: Fri, 21 Feb 2025 14:00:06 UTC

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