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bug#1713: marked as done (follow-mode with three vertical windows causes


From: Emacs bug Tracking System
Subject: bug#1713: marked as done (follow-mode with three vertical windows causes Emacs to hang)
Date: Tue, 30 Dec 2008 16:35:05 +0000

Your message dated Tue, 30 Dec 2008 11:27:09 -0500
with message-id <address@hidden>
and subject line Re: follow-mode with three vertical windows causes Emacs to 
hang
has caused the Emacs bug report #1713,
regarding follow-mode with three vertical windows causes Emacs to hang
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact address@hidden
immediately.)


-- 
1713: http://emacsbugs.donarmstrong.com/cgi-bin/bugreport.cgi?bug=1713
Emacs Bug Tracking System
Contact address@hidden with problems
--- Begin Message --- Subject: follow-mode with three vertical windows causes Emacs to hang Date: Sat, 27 Dec 2008 17:31:14 +0200 User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.2 (gnu/linux)
Emacs hangs when follow-mode is used with three vertically split windows
and the buffer/window text is scrolled. The "hang" means that Emacs
stops responding and takes nearly all the CPU time.

Steps to reproduce:

    $ emacs -Q

    C-h r           (Emacs manual)
    C-x 3
    C-x 3
    C-x +
    M-x follow-mode RET

Now press C-n (next-line) down and keep it down. The cursor moves and
the buffer text scrolls but at some point Emacs just hangs.

This is always reproducible with my Emacs 22.2.1 (Debian package) and
Emacs 23 (http://emacs.orebokech.com/).




--- End Message ---
--- Begin Message --- Subject: Re: follow-mode with three vertical windows causes Emacs to hang Date: Tue, 30 Dec 2008 11:27:09 -0500
Alas, Follow mode is not well-maintained, and does not handle
variable-height text terribly well.  I've checked in several fixes to
prevent this and some other related bugs.  The hang should be resolved
now.  Thanks for the report.


--- End Message ---

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