GNU bug report logs - #31035
27.0.50; (apply ...) doesn't work with undo-in-region

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Package: emacs; Reported by: Stefan Monnier <monnier@HIDDEN>; dated Mon, 2 Apr 2018 23:55:01 UTC; Maintainer for emacs is bug-gnu-emacs@HIDDEN.

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From: Stefan Monnier <monnier@HIDDEN>
To: bug-gnu-emacs@HIDDEN
Subject: 27.0.50; (apply ...) doesn't work with undo-in-region
X-Debbugs-Cc: Johan =?iso-8859-1?Q?Bockg=E5rd?= <bojohan@HIDDEN>, Alan
 Mackenzie <acm@HIDDEN>
Date: Mon, 02 Apr 2018 19:54:28 -0400
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Package: Emacs
Version: 27.0.50


As brought up by Johan, the (apply ...) elements in buffer-undo-list are
"too powerful".  Even though BEG/END/DELTA are provided, with the
intention to make it possible for undo-in-region to handle those
entries, undo-in-region does not handle those entries.

The main problem being that undo-in-region (as well as
erc-update-undo-list, incidentally) needs not just to know which part of
the buffer is modified and with which DELTA, but it also needs to be
able to create a new entry to apply the same change at another
buffer position.


        Stefan



In GNU Emacs 27.0.50 (build 1, x86_64-unknown-linux-gnu, GTK+ Version 3.22.26)
 of 2018-03-01 built on alfajor
Repository revision: 2d65141a5654c475746bd78d998877901a0ff065
Windowing system distributor 'The X.Org Foundation', version 11.0.11906000
System Description: Debian GNU/Linux buster/sid

Recent messages:
Saving file /home/monnier/src/emacs/elpa/packages/auctex/bib-cite.el...
Wrote /home/monnier/src/emacs/elpa/packages/auctex/bib-cite.el
Mark set [4 times]
Saving file /home/monnier/src/emacs/elpa/packages/auctex/bib-cite.el...
Wrote /home/monnier/src/emacs/elpa/packages/auctex/bib-cite.el
Finding changes in /home/monnier/src/emacs/elpa/packages/auctex/bib-cite.el...done
Power AC, battery Charging (63.5% load, remaining time 0:53)
2.6
2.4


Configured using:
 'configure -C --enable-checking --with-modules --enable-check-lisp-object-type
 'CFLAGS=-Wall -g3 -Og -Wno-pointer-sign'
 PKG_CONFIG_PATH=/home/monnier/lib/pkgconfig'

Configured features:
XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GSETTINGS NOTIFY
GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS
GTK3 X11 MODULES THREADS LCMS2

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

Major mode: InactiveMinibuffer

Minor modes in effect:
  shell-dirtrack-mode: t
  diff-auto-refine-mode: t
  electric-pair-mode: t
  global-reveal-mode: t
  reveal-mode: t
  auto-insert-mode: t
  savehist-mode: t
  minibuffer-electric-default-mode: t
  global-compact-docstrings-mode: t
  url-handler-mode: t
  global-eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  global-prettify-symbols-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Load-path shadows:
/home/monnier/src/emacs/elpa/packages/svg/svg hides /home/monnier/src/emacs/work/lisp/svg
/home/monnier/src/emacs/elpa/packages/ada-mode/ada-mode hides /home/monnier/src/emacs/work/lisp/progmodes/ada-mode
/home/monnier/src/emacs/elpa/packages/ada-mode/ada-stmt hides /home/monnier/src/emacs/work/lisp/progmodes/ada-stmt
/home/monnier/src/emacs/elpa/packages/ada-mode/ada-prj hides /home/monnier/src/emacs/work/lisp/progmodes/ada-prj
/home/monnier/src/emacs/elpa/packages/ada-mode/ada-xref hides /home/monnier/src/emacs/work/lisp/progmodes/ada-xref
/home/monnier/src/emacs/elpa/packages/hyperbole/set hides /home/monnier/src/emacs/work/lisp/emacs-lisp/set
/home/monnier/src/emacs/elpa/packages/landmark/landmark hides /home/monnier/src/emacs/work/lisp/obsolete/landmark
/home/monnier/src/emacs/elpa/packages/crisp/crisp hides /home/monnier/src/emacs/work/lisp/obsolete/crisp

Features:
(sort mail-extr emacsbug message rmc puny format-spec rfc822 mml mml-sec
epa epg gnus-util rmail rmail-loaddefs mm-decode mm-bodies mm-encode
mail-parse rfc2231 mailabbrev mailheader sendmail rfc2047 rfc2045
ietf-drums mm-util mail-prsvr mail-utils smerge-mode whitespace shell
pcomplete autoload cl-print executable copyright skeleton add-log
log-view pcvs-util vc dired desktop frameset edmacro kmacro
dired-loaddefs subr-x vc-dispatcher sm-c-mode smie gud derived pcase
lisp-mnt eieio-opt speedbar sb-image ezimage dframe cl-extra help-fns
radix-tree battery misearch multi-isearch xscheme unsafep trace
testcover shadow scheme re-builder profiler inf-lisp ielm gmm-utils ert
pp find-func ewoc debug elp edebug cl-indent cus-edit cus-start cus-load
wid-edit vc-git diff-mode filecache server time-date flymake-proc
flymake compile comint ansi-color ring warnings noutline outline
easy-mmode flyspell ispell checkdoc thingatpt help-mode load-dir
elec-pair reveal autoinsert proof-site proof-autoloads cl pg-vars
savehist minibuf-eldef disp-table compact-docstrings cl-seq inline
kotl-autoloads advice info realgud-recursive-autoloads finder-inf
url-auth package easymenu epg-config url-handlers url-parse auth-source
eieio eieio-core cl-macs eieio-loaddefs password-cache json map url-vars
seq byte-opt gv bytecomp byte-compile cconv cl-loaddefs cl-lib 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 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 8 401805 39008)
 (symbols 24 33047 0) (miscs 20 6526 1667) (strings 16 75688 9803)
 (string-bytes 1 2364495)
 (vectors 12 41583) (vector-slots 4 1755478 87288) (floats 8 173 323)
 (intervals 28 18663 873)
 (buffers 536 52))




Acknowledgement sent to Stefan Monnier <monnier@HIDDEN>:
New bug report received and forwarded. Copy sent to bojohan@HIDDEN, acm@HIDDEN, bug-gnu-emacs@HIDDEN. Full text available.
Report forwarded to bojohan@HIDDEN, acm@HIDDEN, bug-gnu-emacs@HIDDEN:
bug#31035; Package emacs. Full text available.
Please note: This is a static page, with minimal formatting, updated once a day.
Click here to see this page with the latest information and nicer formatting.
Last modified: Tue, 3 Apr 2018 00:00:02 UTC

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