GNU bug report logs - #15951
24.3.50; C-n and C-p don't work in narrowed buffer

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#15951: closed (24.3.50; C-n and C-p don't work in narrowed
 buffer)
Date: Fri, 22 Nov 2013 16:08:02 +0000

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Your message dated Fri, 22 Nov 2013 18:07:19 +0200
with message-id <83pppscte0.fsf <at> gnu.org>
and subject line Re: bug#15951: 24.3.50; C-n and C-p don't work in narrowed buffer
has caused the debbugs.gnu.org bug report #15951,
regarding 24.3.50; C-n and C-p don't work in narrowed buffer
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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15951: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=15951
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From: Katsumi Yamaoka <yamaoka <at> jpl.org>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.3.50; C-n and C-p don't work in narrowed buffer
Date: Fri, 22 Nov 2013 13:14:49 +0900

Run Emacs with the -Q option, create a new buffer, and put those
three lines there,

foo
bar
baz

type  C-p  C-p  C-SPC  M-> , and type `C-x n n' so that the last
two lines are visible.  Then you will see C-n and C-p don't work.

In GNU Emacs 24.3.50.1 (i686-pc-cygwin, GTK+ Version 3.8.2)
 of 2013-11-22 on localhost
Bzr revision: 115177 yamaoka <at> jpl.org-20131121221530-5ip837owjus3yvjc
Windowing system distributor `The Cygwin/X Project', version 11.0.11404000
Configured using:
 `configure --verbose --with-x-toolkit=gtk3'

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Stephen Berman <stephen.berman <at> gmx.net>
Cc: yamaoka <at> jpl.org, 15951-done <at> debbugs.gnu.org
Subject: Re: bug#15951: 24.3.50; C-n and C-p don't work in narrowed buffer
Date: Fri, 22 Nov 2013 18:07:19 +0200

> From: Stephen Berman <stephen.berman <at> gmx.net>
> Date: Fri, 22 Nov 2013 12:59:21 +0100
> Cc: 15951 <at> debbugs.gnu.org
> 
> On Fri, 22 Nov 2013 13:14:49 +0900 Katsumi Yamaoka <yamaoka <at> jpl.org> wrote:
> 
> > Run Emacs with the -Q option, create a new buffer, and put those
> > three lines there,
> >
> > foo
> > bar
> > baz
> >
> > type  C-p  C-p  C-SPC  M-> , and type `C-x n n' so that the last
> > two lines are visible.  Then you will see C-n and C-p don't work.
> 
> This is evidently more fallout from enabling cache-long-scans: if you
> set this to nil, C-n and C-p work again.

No, this is cache-long-scans doing us a favor and exposing a bug in
our code that uses one of the caches.

Fixed in trunk revision 115190.

Thanks.

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