From: Maxim Yegorushkin <maxim.yegorush...@gmail.com>
Date: Mon, 12 Nov 2012 12:49:51 +0000
Local: Mon, Nov 12 2012 7:49 am
Subject: emacs-24.1.1 slow scrolling in Fundamental mode with font lock disabled
I have 9Mb text file with 90000+ lines in it. When opening this file in
emacs-24.1.1 and scrolling to line 5000 and onwards the scrolling
becomes very slow and there is a long delay after I press PageDown and
emacs updates the view.
I heard that font lock may cause this so I disabled font lock in that
The contents of the file look like this:
2012-10-09 08:35:28.217216000 167.150000 44035
(long line wrapped in the above).
I.e. there is a timestamp on each line of it in the form of YYYY-MM-DD
I almost accidentally replaced all 2012-10-09 with YYYY-MM-DD in the
Do you guys have any clues what may be causing this scrolling slowness
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