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: Katsumi Yamaoka <yamaoka <at> jpl.org>
Subject: bug#15951: closed (Re: bug#15951: 24.3.50; C-n and C-p don't work
 in narrowed buffer)
Date: Fri, 22 Nov 2013 16:08:03 +0000

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Your bug report

#15951: 24.3.50; C-n and C-p don't work in narrowed 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 15951 <at> debbugs.gnu.org.

-- 
15951: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=15951
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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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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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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