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* bug#15760: 24.3; move-to-window-line goes to wrong line
@ 2013-10-30 18:22 John Hagerman
  2016-06-26 16:59 ` bug#15760: Bug #15760: " Noam Postavsky
  0 siblings, 1 reply; 7+ messages in thread
From: John Hagerman @ 2013-10-30 18:22 UTC (permalink / raw)
  To: 15760

Using X Windows, I start 'emacs -Q' and get a window of height "30".  I
need a buffer with more lines than window height, so I enter 35 lines
into an empty buffer.  At that point the last line of the buffer is
somewhere in the middle of the window.  Since 'point' is at the end of
the buffer, doing (move-to-window-line -1) does not move point, as
expected.  Then, since 'point' is at the end of the buffer, doing ESC -
^L adjusts the display so the last line of the buffer is on the last
line of the window.  Now doing (move-to-window-line -1) _does_ move
point, to the previous line.  I believe this is incorrect behavior.
Then, since 'point' has moved, doing ESC - ^L puts the second-to-last
line of the buffer on the last line of the window.  And now doing
(move-to-window-line -1) does not move point, as expected.

Dribble file (unprintable chars edited to, eg, "^X"):
^Xbfoo<return>1<return>2<return>3<return>4<return>5<return>6<return>7<return>8<return>9<return>0<return>1<return>2<return>3<return>4<return>5<return>6<return>7<return>8<return>9<return>0<return>1<return>2<return>3<return>4<return>5<return>6<return>7<return>8<return>9<return>0<return>1<return>2<return>3<return>4<return>5<return><escape>-1<escape>xmove-to-window-line<return><escape>-^L<escape>-1<escape>xmove-to-window-line<return><escape>-^L<escape>-1<escape>xmove-to-window-line<return>^X^C

Thanks ~ John

In GNU Emacs 24.3.2 (x86_64-unknown-linux-gnu, GTK+ Version 2.10.4)
 of 2013-05-03 on depbldrh55
Windowing system distributor `The X.Org Foundation', version 11.0.70101000
System Description:	Red Hat Enterprise Linux Client release 5.7 (Tikanga)

Configured using:
 `configure '--prefix=/depot/emacs-24.3' '--with-gif=no'
 '--with-x-toolkit=yes''

Important settings:
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix
  default enable-multibyte-characters: t

Major mode: Lisp Interaction

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  tooltip-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 input:
<escape> x r e p o r t - e m <tab> <return>

Recent messages:
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^ permalink raw reply	[flat|nested] 7+ messages in thread
end of thread, other threads:[~2016-06-27 15:33 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2013-10-30 18:22 bug#15760: 24.3; move-to-window-line goes to wrong line John Hagerman
2016-06-26 16:59 ` bug#15760: Bug #15760: " Noam Postavsky
2016-06-26 19:25   ` Eli Zaretskii
2016-06-26 20:58     ` Noam Postavsky
2016-06-27  2:30       ` Eli Zaretskii
2016-06-27  2:35         ` Noam Postavsky
2016-06-27 15:33           ` Eli Zaretskii

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