GNU bug report logs - #3494
23.0.94; line-move-visual: temporary goal column confused by hscrolling

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Package: emacs;

Reported by: bojohan+mail <at> dd.chalmers.se (Johan Bockgård)

Date: Mon, 8 Jun 2009 01:25:04 UTC

Severity: normal

Tags: fixed

Merged with 3805

Fixed in version 24.1

Done: Lars Magne Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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Message #67 received at 3494 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Lennart Borgman <lennart.borgman <at> gmail.com>
To: Chong Yidong <cyd <at> stupidchicken.com>, 3494 <at> debbugs.gnu.org
Cc: Stefan Monnier <monnier <at> iro.umontreal.ca>, Kees Bakker <kees <at> altium.nl>,
        Teemu Likonen <tlikonen <at> iki.fi>,
        Johan Bockgård <bojohan <at> gnu.org>
Subject: Re: bug#3494: 23.0.94; line-move-visual: temporary goal column 
	confused by hscrolling
Date: Sun, 12 Jul 2009 18:38:36 +0200

On Sun, Jul 12, 2009 at 6:04 PM, Chong Yidong<cyd <at> stupidchicken.com> wrote:
>>  1. xrdb -remove; xterm -geometry 80x25
>>  2. emacs -Q -nw -f toggle-truncate-lines -f column-number-mode
>>  3. C-u 85 a RET
>>     C-u 100 b RET
>>  4. Press C-p two times to move the the beginning of "a" line.
>>  5. Press C-e to get to the end of "a" line. (See screenshot 1.)
>>  6. Press C-x C-n and "y" to set goal column.
>>  7. Press C-n. The screen is scrolled horizontally and the cursor at the
>>     column 94. (See screenshot 2.)
>
> I see the problem.  It's not trivial to fix; maybe it's preferable for
> `line-move' to call `line-move-1' instead of `line-move-visual' when the
> window is hscrolled.

I don't understand what is wrong here, but is this perhaps related to
the problem with posn-at-point that I reported for example here:

http://www.opensubscriber.com/message/emacs-devel <at> gnu.org/10283709.html
This bug report was last modified 13 years and 250 days ago.

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