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Re: scroll-margin

From: Almer S. Tigelaar
Subject: Re: scroll-margin
Date: 28 Mar 2002 21:56:56 +0100

Dear Mr. Stallman,

On Wed, 2002-03-27 at 00:17, Richard Stallman wrote:
> I can't reproduce this problem.  Would you please specify a single
> *precise* test case?  Please read the Bugs section in the Emacs
> manual, which provides guidelines on how to write a bug report to give
> us the necessary information so we can fix the bug.

My apologies for being vague about the issue. A retry :

I've attached something which can reproduce the problem. To try :
- Use the "dot-emacs" as init-file.
- After startup open "emacstest".
- Type "M-x hang-exec". (all it does it randomly scroll up and down)
- Sit back, let it scroll and wait :-)

I've tested with the following versions :
GNU Emacs 21.1.1 (i386-debian-linux-gnu, X toolkit, Xaw3d scroll bars)
of 2001-12-06 on raven, modified by Debian
GNU Emacs 21.1.1 (i386-MSVC-NT5.0.2195) of 2001-10-22 on Buffy
GNU Emacs 21.2.1 (i386-MSVC-NT5.0.2195) of 2002-03-19 on Buffy

(I define a "hang" as 100% CPU usage and Emacs not responding and
redrawing at all)

Observations :
- All of them "hang" within 3 minutes after the call to "hang-exec".
- The problem does not occur when scroll-margin is set to "0".

Yours sincerely,

Almer S. Tigelaar

Attachment: dot-emacs
Description: Text document

Attachment: emacstest
Description: Text document

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