GNU bug report logs - #28071
25.2; Wide image may interfere C-n/C-p

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: ynyaaa <at> gmail.com
To: bug-gnu-emacs <at> gnu.org
Subject: 25.2; Wide image may interfere C-n/C-p
Date: Sun, 13 Aug 2017 09:01:58 +0900

Evaluating the form below, 
C-n or C-p works wrong when the cursor is on the images.
C-n does not move the cursor,
and C-p moves the cursor two lines at once.

(let* ((w (window-pixel-width))
       (h 4)
       (img (create-image (make-string (* (1+ (/ (1- w) 8)) h) 0)
                          'xbm t :width w :height h))
       (str (propertize " " 'display img)))
  (setq truncate-lines t)
  (dotimes (i 10)
    (insert (format "%d" i) str "\n")))




In GNU Emacs 25.2.1 (i686-w64-mingw32)
 of 2017-04-25 built on LAPHROAIG
Windowing system distributor 'Microsoft Corp.', version 6.0.6002
Configured using:
 'configure --host=i686-w64-mingw32 --without-dbus
 --without-compress-install 'CFLAGS=-static -O2 -g3''

Configured features:
XPM JPEG TIFF GIF PNG RSVG SOUND NOTIFY ACL GNUTLS LIBXML2 ZLIB
TOOLKIT_SCROLL_BARS

Important settings:
  value of $LANG: JPN
  locale-coding-system: cp932

Major mode: Fundamental

Minor modes in effect:
  tooltip-mode: t
  global-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

Recent messages:

Load-path shadows:
None found.

Features:
(shadow sort mail-extr emacsbug message dired format-spec rfc822 mml
mml-sec password-cache epg epg-config gnus-util mm-decode mm-bodies
mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail
rfc2047 rfc2045 ietf-drums mm-util help-fns help-mode easymenu
cl-loaddefs pcase cl-lib mail-prsvr mail-utils apropos time-date
mule-util japan-util tooltip eldoc electric uniquify ediff-hook vc-hooks
lisp-float-type mwheel dos-w32 ls-lisp disp-table w32-win w32-vars
term/common-win tool-bar dnd fontset image regexp-opt fringe
tabulated-list newcomment elisp-mode lisp-mode prog-mode register page
menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock font-lock
syntax facemenu font-core 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 charscript case-table epa-hook jka-cmpr-hook help
simple abbrev 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
w32notify w32 multi-tty make-network-process emacs)

Memory information:
((conses 8 92587 6287)
 (symbols 32 19768 0)
 (miscs 32 55 150)
 (strings 16 16147 3950)
 (string-bytes 1 437243)
 (vectors 8 13140)
 (vector-slots 4 518120 4926)
 (floats 8 160 177)
 (intervals 28 259 16)
 (buffers 520 19))

Message #10 received at 28071-done <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: ynyaaa <at> gmail.com
Cc: 28071-done <at> debbugs.gnu.org
Subject: Re: bug#28071: 25.2; Wide image may interfere C-n/C-p
Date: Sun, 13 Aug 2017 17:50:47 +0300

> From: ynyaaa <at> gmail.com
> Date: Sun, 13 Aug 2017 09:01:58 +0900
> 
> 
> Evaluating the form below, 
> C-n or C-p works wrong when the cursor is on the images.
> C-n does not move the cursor,
> and C-p moves the cursor two lines at once.
> 
> (let* ((w (window-pixel-width))
>        (h 4)
>        (img (create-image (make-string (* (1+ (/ (1- w) 8)) h) 0)
>                           'xbm t :width w :height h))
>        (str (propertize " " 'display img)))
>   (setq truncate-lines t)
>   (dotimes (i 10)
>     (insert (format "%d" i) str "\n")))

Thanks, fixed.

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