GNU logs - #75996, boring messages

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Subject: bug#75996: 31.0.50; occur-edit-mode fails with context lines
Resent-From: Paul Nelson <ultrono@HIDDEN>
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From: Paul Nelson <ultrono@HIDDEN>
Date: Sat, 01 Feb 2025 19:51:58 +0100
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Steps to reproduce:

1. emacs -Q

2. Create a buffer with two lines, such as:

a
b

3. From the starting of the buffer, search for "a" (C-s a) and run occur
with one line of context (C-1 M-s o).

4. In the *Occur* buffer, press e to edit occur-edit-mode.

5. Try to edit the context line containing "b".

=> occur-after-change-function: Wrong type argument: markerp, nil

The broader issue is that edits made to context lines (other than those
with matches) don't propagate to the buffer after C-c C-c.

I'd be happy to try to fix this, but wanted to check if it's a known
issue.  I wasn't able to find to find it in the bug tracker.


In GNU Emacs 31.0.50 (build 6, aarch64-apple-darwin24.1.0, NS
 appkit-2575.20 Version 15.1.1 (Build 24B91)) of 2024-12-19 built on
 d51735
Repository revision: c19dd8e9d6c54080426623129a824e5bb2fcf7be
Repository branch: master
Windowing system distributor 'Apple', version 10.3.2575
System Description:  macOS 15.1.1

Configured using:
 'configure --with-ns --with-native-compilation --with-tree-sitter
 --with-gif --with-png --with-jpeg --with-rsvg --with-tiff
 --with-imagemagick --with-x-toolkit=gtk3 --with-xwidgets'

Configured features:
ACL DBUS GLIB GNUTLS IMAGEMAGICK LCMS2 LIBXML2 MODULES NATIVE_COMP
NOTIFY KQUEUE NS PDUMPER PNG RSVG SQLITE3 THREADS TOOLKIT_SCROLL_BARS
TREE_SITTER WEBP XIM XWIDGETS ZLIB

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

Major mode: ELisp/d

Minor modes in effect:
  outline-minor-mode: t
  windmove-mode: t
  recentf-mode: t
  repeat-mode: t
  display-time-mode: t
  save-place-mode: t
  global-auto-revert-mode: t
  minibuffer-depth-indicate-mode: t
  electric-pair-mode: t
  override-global-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  eldoc-mode: t
  show-paren-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  tab-bar-history-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  minibuffer-regexp-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  abbrev-mode: t

Load-path shadows:
None found.

Features:
(cus-edit cus-start cus-load foldout noutline outline pp shadow sort
mail-extr compile comint ansi-osc ansi-color ring emacsbug message
mailcap yank-media puny dired dired-loaddefs rfc822 mml mml-sec
password-cache epa derived epg rfc6068 epg-config gnus-util mm-decode
mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader
sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils
windmove shortdoc text-property-search help-fns radix-tree time-date
misearch multi-isearch pcase recentf tree-widget wid-edit repeat time
saveplace autorevert filenotify mb-depth elec-pair comp comp-cstr
warnings icons subr-x comp-run comp-common rx edmacro kmacro byte-opt
cl-extra help-mode use-package-ensure cl-seq use-package-bind-key
bind-key use-package-core bytecomp byte-compile cl-macs gv vc-git
diff-mode track-changes easy-mmode files-x vc-dispatcher cl-loaddefs
cl-lib rmc iso-transl tooltip cconv eldoc paren electric uniquify
ediff-hook vc-hooks lisp-float-type elisp-mode mwheel term/ns-win ns-win
ucs-normalize mule-util term/common-win 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 xwidget-internal dbusbind
kqueue cocoa ns lcms2 multi-tty make-network-process tty-child-frames
native-compile emacs)

Memory information:
((conses 16 205089 34367) (symbols 48 22794 7) (strings 32 56777 1968)
 (string-bytes 1 1381256) (vectors 16 20937)
 (vector-slots 8 262566 14647) (floats 8 120 26) (intervals 56 771 0)
 (buffers 992 19))

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: Paul Nelson <ultrono@HIDDEN>
Subject: bug#75996: Acknowledgement (31.0.50; occur-edit-mode fails with
 context lines)
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Date: Sat, 01 Feb 2025 18:53:02 +0000

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Message sent to bug-gnu-emacs@HIDDEN:

Subject: bug#75996: 31.0.50; occur-edit-mode fails with context lines
Resent-From: Juri Linkov <juri@HIDDEN>
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From: Juri Linkov <juri@HIDDEN>
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> => occur-after-change-function: Wrong type argument: markerp, nil
>
> The broader issue is that edits made to context lines (other than those
> with matches) don't propagate to the buffer after C-c C-c.
>
> I'd be happy to try to fix this, but wanted to check if it's a known
> issue.  I wasn't able to find to find it in the bug tracker.

Thanks for offering help.

In https://debbugs.gnu.org/75530#80 we have more problems
with occur-after-change-function.

We need to revert the workaround for bug#53419,
and find another solution to not allow RET to
insert newlines in the line numbers prefix.

occur-after-change-function already undoes newlines,
but only when RET is typed in the text lines,
not in the line numbers prefix.

The same question is for context lines that instead
of making context lines read-only all edits made
should propagate to the buffer immediately?

Message received at control <at> debbugs.gnu.org:

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From: Juri Linkov <juri@HIDDEN>
To: Jurgen De Backer <jurgen.de-backer.ext@HIDDEN>
Subject: Re: bug#79140: 29.1; Editing the occur buffer: not possible to
 remove lines
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forcemerge 79140 75996
thanks

> When comparing the behaviour of editing the occur buffer,
> we noted that in emacs 29.1 it is no longer possible to remove entire lines of
> occurrences.
>
> When I do an occur, I often want to filter the result by using delete-matching lines.
> I used to do that by doing  C-x C-q   (toggle read only).
> But since emacs 29.1 the text itself is marked read only. At least the
> line number of the match can no longer be deleted.

Thanks for the bug report.  We are fixing it in bug#75530 and bug#75996.
Sorry for no progress so far.

Last modified: Fri, 8 Aug 2025 06:45:02 UTC

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