Subject: bug#2618: closed (Re: bug#2618: 23.0.90; Point shifts leftward during vertical motion in buffaced buffer)

From: [email-masked] (GNU bug Tracking System)
Date: Sun, 25 Nov 2012 05:20:02 +0000

Your bug report

#2618: 23.0.90; Point shifts leftward during vertical motion in buffaced buffer

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 [email-masked].

-- 
2618: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=2618
GNU Bug Tracking System
Contact [email-masked] with problems

Subject: Re: bug#2618: 23.0.90; Point shifts leftward during vertical motion in buffaced buffer
From: Chong Yidong <[email-masked]>
To: Kenichi Handa <[email-masked]>
Cc: [email-masked], [email-masked], [email-masked], [email-masked]
Date: Sun, 25 Nov 2012 13:17:48 +0800
List-Id: <debbugs-submit.debbugs.gnu.org>

Kenichi Handa <[email-masked]> writes:

> It seems that the problem is that line-move-visual uses
> (frame-char-width) to calculate the gloal column, but
> (frame-char-width) doesn't change by remapping of the default face.

I believe this old bug is obsolete, since line-move-visual nowadays uses
vertical-motion, which is pixel-based.  Closing.

Subject: 23.0.90; Point shifts leftward during vertical motion in buffaced buffer
From: [email-masked]
To: [email-masked]
Cc: [email-masked]
Date: 9 Mar 2009 23:59:24 -0000

Open a text file and shrink the text size (using bufface) to -2.  Move
the cursor right several glyphs from the beginning of the line, then
move the cursor down one line.  On my machine, the cursor moves down,
but also moves left one glyph.  After any left or right cursor motion,
the next upward or downward cursor motion shifts the cursor one glyph
towards the left margin; further vertical motion is not affected.  The
problem stops when you return to normal fact size.

This is with fonts

  -jmk-Neep Alt-normal-normal-normal-*-20-*-*-*-c-*-iso10646-1 (bufface  0)
  -jmk-Neep Alt-normal-normal-normal-*-15-*-*-*-c-*-iso10646-1 (bufface -2)
  -jmk-Neep Alt-normal-normal-normal-*-11-*-*-*-c-*-iso10646-1 (bufface -4)

from the Debian distribution.

In GNU Emacs 23.0.90.1 (i486-pc-linux-gnu, GTK+ Version 2.12.11)
 of 2009-02-07 on elegiac, modified by Debian
 (emacs-snapshot package, version 1:20090207-1)
Windowing system distributor `The X.Org Foundation', version 11.0.10402000
configured using `configure  '--build' 'i486-linux-gnu' '--host' 'i486-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib' '--libexecdir=/usr/lib' '--localstatedir=/var' '--infodir=/usr/share/info' '--mandir=/usr/share/man' '--with-pop=yes' '--enable-locallisppath=/etc/emacs-snapshot:/etc/emacs:/usr/local/share/emacs/23.0.90/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/23.0.90/site-lisp:/usr/share/emacs/site-lisp' '--with-x=yes' '--with-x-toolkit=gtk' 'build_alias=i486-linux-gnu' 'host_alias=i486-linux-gnu' 'CFLAGS=-DDEBIAN -DSITELOAD_PURESIZE_EXTRA=5000 -g -O2' 'LDFLAGS=-g -Wl,--as-needed' 'CPPFLAGS=''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: POSIX
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: nil
  locale-coding-system: utf-8-unix
  default-enable-multibyte-characters: t

Major mode: VM Presentation

Minor modes in effect:
  text-scale-mode: t
  shell-dirtrack-mode: t
  auto-image-file-mode: t
  show-paren-mode: t
  icomplete-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  blink-cursor-mode: t
  global-auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t