GNU bug report logs - #56184
29.0.50; Increasing max-redisplay-ticks after it is set very low does nothing

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Po Lu <luangruo <at> yahoo.com>
Subject: bug#56184: closed (Re: bug#56184: 29.0.50; Increasing
 max-redisplay-ticks after it is set very low does nothing)
Date: Sat, 25 Jun 2022 00:04:01 +0000

[Message part 1 (text/plain, inline)]

Your bug report

#56184: 29.0.50; Increasing max-redisplay-ticks after it is set very low does nothing

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 56184 <at> debbugs.gnu.org.

-- 
56184: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=56184
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Po Lu <luangruo <at> yahoo.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 56184-done <at> debbugs.gnu.org
Subject: Re: bug#56184: 29.0.50; Increasing max-redisplay-ticks after it is
 set very low does nothing
Date: Sat, 25 Jun 2022 08:02:51 +0800

Eli Zaretskii <eliz <at> gnu.org> writes:

>> From: Po Lu <luangruo <at> yahoo.com>
>> Cc: 56184 <at> debbugs.gnu.org
>> Date: Fri, 24 Jun 2022 21:08:15 +0800
>> 
>> Eli Zaretskii <eliz <at> gnu.org> writes:
>> 
>> > What do you expect it to do?
>> 
>> To redraw the entire frame, since max-redisplay-ticks is now
>> sufficiently large.
>
> That won't happen, unless you type C-l or make some change (e.g., type
> a character) into *scratch*, because the buffer *scratch* is marked
> "not to be redisplayed", and the only window on the frame is the
> window showing *scratch*.  So this is the expected and documented
> behavior.

Okay then, so I'm closing this bug.

Thanks.

[Message part 3 (message/rfc822, inline)]

From: Po Lu <luangruo <at> yahoo.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 29.0.50; Increasing max-redisplay-ticks after it is set very low
 does nothing
Date: Fri, 24 Jun 2022 18:30:23 +0800

Start "emacs -Q", and then evaluate (with M-:)

  (setq max-redisplay-ticks 3)

after the window containing *scratch* no longer redisplays, evalute

  (setq max-redisplay-ticks 3000000000000000)

and type M-x redraw-display RET.  The entire frame will become blank and
refuse to redisplay until a new frame is created.

In GNU Emacs 29.0.50 (build 192, x86_64-pc-linux-gnu, Motif Version 2.3.4)
 of 2022-06-24 built on trinity
Repository revision: 9f3ce27e56f5fa1053f2abcbcbd375cc0a75f283
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12014000
System Description: Fedora Linux 36 (Workstation Edition)

Configured using:
 'configure --with-dumping=unexec --with-x-toolkit=motif --without-cairo
 --cache-file=/tmp/ccache'

Configured features:
ACL DBUS FREETYPE GIF GLIB GMP GNUTLS GSETTINGS HARFBUZZ JPEG JSON LCMS2
LIBSELINUX LIBSYSTEMD LIBXML2 MODULES NOTIFY INOTIFY PNG RSVG SECCOMP
SOUND SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS UNEXEC WEBP X11 XDBE XFT
XIM XINPUT2 XPM MOTIF ZLIB

Important settings:
  value of $LANG: en_GB.UTF-8
  value of $XMODIFIERS: @im=none
  locale-coding-system: utf-8-unix

Major mode: Lisp Interaction

Minor modes in effect:
  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
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-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:
None found.

Features:
(shadow sort mail-extr emacsbug message mailcap yank-media rmc puny
dired dired-loaddefs rfc822 mml mml-sec password-cache epa derived epg
rfc6068 epg-config gnus-util text-property-search time-date seq gv
subr-x byte-opt bytecomp byte-compile cconv mm-decode mm-bodies
mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader cl-loaddefs
cl-lib sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils
warnings iso-transl tooltip eldoc paren electric uniquify ediff-hook
vc-hooks lisp-float-type elisp-mode 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 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 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 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
inotify lcms2 dynamic-setting system-font-setting font-render-setting
motif x-toolkit xinput2 x multi-tty make-network-process emacs)

Memory information:
((conses 16 109667 8005)
 (symbols 48 21294 0)
 (strings 32 33643 1728)
 (string-bytes 1 917822)
 (vectors 16 17302)
 (vector-slots 8 565822 10894)
 (floats 8 63 64)
 (intervals 56 290 4)
 (buffers 992 12))

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