GNU bug report logs - #3668
23.1.50; next-line and previous-line don't keep the column in text-scale-mode

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Message #5 received at submit <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Teemu Likonen <tlikonen <at> iki.fi>
To: emacs-pretest-bug <at> gnu.org
Subject: 23.1.50; next-line and previous-line don't keep the column in text-scale-mode
Date: Wed, 24 Jun 2009 11:03:04 +0300

When text-scale-mode is active the functions C-n (next-line) and C-p
(previous-line) don't stay at the same column when they are executed the
first time after changing the column. Difficult to explain but here's a
simple way to reproduce:

 1. Start Emacs:

        emacs -Q

 2. Increase or decrease the font size with C-x C-- or C-x C-+
    (text-scale-adjust) so that it's different from the default size.

 3. Type this text in the *scratch* buffer at column 0:

        123
        456

 4. Move the point at the beginning of line "123".

 5. Use C-f to move the point between numbers 2 and 3.

 6. Use C-n to move to the next-line.

 7. The point should be between 5 and 6 but it is between 4 and 5.

 8. Fix the bug. :-)



in GNU Emacs 23.1.50.7 (i686-pc-linux-gnu, GTK+ Version 2.12.12)
 of 2009-06-24 on mithlond
Windowing system distributor `The X.Org Foundation', version 11.0.10402000
configured using `configure  '--prefix=/home/dtw/local''

Message #10 received at 3668 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Teemu Likonen <tlikonen <at> iki.fi>
To: 3668 <at> debbugs.gnu.org
Subject: Re: 23.1.50; next-line and previous-line don't keep the column in text-scale-mode
Date: Sat, 11 Jul 2009 10:10:06 +0300

On 2009-06-24 11:03 (+0300), Teemu Likonen wrote:

> When text-scale-mode is active the functions C-n (next-line) and C-p
> (previous-line) don't stay at the same column when they are executed the
> first time after changing the column.

This bug appears only when variable line-move-visual=t.

Message #13 received at 3668 <at> debbugs.gnu.org (full text, mbox):

From: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
To: Teemu Likonen <tlikonen <at> iki.fi>
Cc: 3668 <at> debbugs.gnu.org
Subject: Re: 23.1.50;
	next-line and previous-line don't keep the column in text-scale-mode
Date: Sat, 17 Sep 2011 08:21:16 +0200

Teemu Likonen <tlikonen <at> iki.fi> writes:

> On 2009-06-24 11:03 (+0300), Teemu Likonen wrote:
>
>> When text-scale-mode is active the functions C-n (next-line) and C-p
>> (previous-line) don't stay at the same column when they are executed the
>> first time after changing the column.
>
> This bug appears only when variable line-move-visual=t.

Is this bug still present in Emacs 24?  Something similar was recently
fixed, but I'm not sure whether it fixes this bug, too.

-- 
(domestic pets only, the antidote for overdose, milk.)
  bloggy blog http://lars.ingebrigtsen.no/

Message #16 received at 3668 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
Cc: tlikonen <at> iki.fi, 3668 <at> debbugs.gnu.org
Subject: Re: bug#3668: 23.1.50;
	next-line and previous-line don't keep the column in text-scale-mode
Date: Sat, 17 Sep 2011 12:19:03 +0300

> From: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
> Date: Sat, 17 Sep 2011 08:21:16 +0200
> Cc: 3668 <at> debbugs.gnu.org
> 
> Teemu Likonen <tlikonen <at> iki.fi> writes:
> 
> > On 2009-06-24 11:03 (+0300), Teemu Likonen wrote:
> >
> >> When text-scale-mode is active the functions C-n (next-line) and C-p
> >> (previous-line) don't stay at the same column when they are executed the
> >> first time after changing the column.
> >
> > This bug appears only when variable line-move-visual=t.
> 
> Is this bug still present in Emacs 24?  Something similar was recently
> fixed, but I'm not sure whether it fixes this bug, too.

Repeating the recipe in the original report, I can no longer reproduce
the bug: cursor winds up between 5 and 6, as expected.

Message #23 received at 3668 <at> debbugs.gnu.org (full text, mbox):

From: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: tlikonen <at> iki.fi, 3668 <at> debbugs.gnu.org
Subject: Re: bug#3668: 23.1.50;
	next-line and previous-line don't keep the column in text-scale-mode
Date: Sun, 18 Sep 2011 09:57:14 +0200

Eli Zaretskii <eliz <at> gnu.org> writes:

> Repeating the recipe in the original report, I can no longer reproduce
> the bug: cursor winds up between 5 and 6, as expected.

Ok; I'm closing this report.

-- 
(domestic pets only, the antidote for overdose, milk.)
  bloggy blog http://lars.ingebrigtsen.no/

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