* bug#53215: 27.2; unexpected scroll at invisible text
@ 2022-01-12 17:21 awrhygty
2022-01-13 6:17 ` Lars Ingebrigtsen
2022-01-13 13:41 ` Eli Zaretskii
0 siblings, 2 replies; 3+ messages in thread
From: awrhygty @ 2022-01-12 17:21 UTC (permalink / raw)
To: 53215
Evaluate the following form and type 'C-f'.
The point moves to invisible text and the buffer scrolls up as if
recenter('C-l') is done.
Same things happen on other lines if the end of buffer is not displayed
in the current window.
(let ((buf (generate-new-buffer "tmp")))
(switch-to-buffer buf)
(setq truncate-lines nil)
(dotimes (i (1+ (- ?~ ?!)))
(insert (format "%d " i))
(insert (propertize " " 'invisible t))
(insert-char (+ ?! i) (window-width))
(insert ?\n))
(goto-line 20)
(redisplay)
(forward-line)
(skip-chars-forward "^ "))
In GNU Emacs 27.2 (build 1, x86_64-w64-mingw32)
of 2021-03-26 built on CIRROCUMULUS
Repository revision: deef5efafb70f4b171265b896505b92b6eef24e6
Repository branch: HEAD
Windowing system distributor 'Microsoft Corp.', version 10.0.19043
System Description: Microsoft Windows 10 Pro (v10.0.2009.19043.1415)
Recent messages:
Configured using:
'configure --without-dbus --host=x86_64-w64-mingw32
--without-compress-install 'CFLAGS=-O2 -static''
Configured features:
XPM JPEG TIFF GIF PNG RSVG SOUND NOTIFY W32NOTIFY ACL GNUTLS LIBXML2
HARFBUZZ ZLIB TOOLKIT_SCROLL_BARS MODULES THREADS JSON PDUMPER LCMS2 GMP
Important settings:
value of $LANG: JPN
locale-coding-system: cp932
Major mode: Lisp Interaction
Minor modes in effect:
tooltip-mode: t
global-eldoc-mode: t
eldoc-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
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
line-number-mode: t
transient-mark-mode: t
Load-path shadows:
None found.
Features:
(misearch multi-isearch gnutls network-stream nsm mailalias smtpmail
auth-source cl-seq eieio eieio-core cl-macs eieio-loaddefs json map
tabify help-mode pp shadow sort mail-extr emacsbug message rmc puny
dired dired-loaddefs format-spec rfc822 mml easymenu mml-sec
password-cache epa derived epg epg-config gnus-util rmail rmail-loaddefs
text-property-search time-date subr-x seq byte-opt gv 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 term/bobcat japan-util
tooltip eldoc electric uniquify ediff-hook vc-hooks lisp-float-type
mwheel dos-w32 ls-lisp disp-table term/w32-win w32-win w32-vars
term/common-win tool-bar dnd fontset image regexp-opt fringe
tabulated-list replace newcomment text-mode elisp-mode lisp-mode
prog-mode register page tab-bar menu-bar rfn-eshadow isearch timer
select scroll-bar mouse jit-lock font-lock syntax facemenu font-core
term/tty-colors frame minibuffer 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 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 threads w32notify w32 lcms2 multi-tty make-network-process
emacs)
Memory information:
((conses 16 62844 10393)
(symbols 48 7261 0)
(strings 32 20539 1285)
(string-bytes 1 653910)
(vectors 16 13463)
(vector-slots 8 238422 21754)
(floats 8 25 286)
(intervals 56 624 189)
(buffers 1000 15))
^ permalink raw reply [flat|nested] 3+ messages in thread
* bug#53215: 27.2; unexpected scroll at invisible text
2022-01-12 17:21 bug#53215: 27.2; unexpected scroll at invisible text awrhygty
@ 2022-01-13 6:17 ` Lars Ingebrigtsen
2022-01-13 13:41 ` Eli Zaretskii
1 sibling, 0 replies; 3+ messages in thread
From: Lars Ingebrigtsen @ 2022-01-13 6:17 UTC (permalink / raw)
To: awrhygty; +Cc: 53215
awrhygty@outlook.com writes:
> Evaluate the following form and type 'C-f'.
> The point moves to invisible text and the buffer scrolls up as if
> recenter('C-l') is done.
Yup; I can reproduce this behaviour in Emacs 29, too.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
^ permalink raw reply [flat|nested] 3+ messages in thread
* bug#53215: 27.2; unexpected scroll at invisible text
2022-01-12 17:21 bug#53215: 27.2; unexpected scroll at invisible text awrhygty
2022-01-13 6:17 ` Lars Ingebrigtsen
@ 2022-01-13 13:41 ` Eli Zaretskii
1 sibling, 0 replies; 3+ messages in thread
From: Eli Zaretskii @ 2022-01-13 13:41 UTC (permalink / raw)
To: awrhygty; +Cc: 53215-done
> From: awrhygty@outlook.com
> Date: Thu, 13 Jan 2022 02:21:06 +0900
>
> Evaluate the following form and type 'C-f'.
> The point moves to invisible text and the buffer scrolls up as if
> recenter('C-l') is done.
> Same things happen on other lines if the end of buffer is not displayed
> in the current window.
>
> (let ((buf (generate-new-buffer "tmp")))
> (switch-to-buffer buf)
> (setq truncate-lines nil)
> (dotimes (i (1+ (- ?~ ?!)))
> (insert (format "%d " i))
> (insert (propertize " " 'invisible t))
> (insert-char (+ ?! i) (window-width))
> (insert ?\n))
> (goto-line 20)
> (redisplay)
> (forward-line)
> (skip-chars-forward "^ "))
Thanks, should be fixed now on the master branch.
^ permalink raw reply [flat|nested] 3+ messages in thread
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2022-01-12 17:21 bug#53215: 27.2; unexpected scroll at invisible text awrhygty
2022-01-13 6:17 ` Lars Ingebrigtsen
2022-01-13 13:41 ` Eli Zaretskii
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