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From: Michael Heerdegen <michael_heerdegen@web.de>
Newsgroups: gmane.emacs.help
Subject: Re: Annoying arrow key scroll behaviour in emacs 27
Date: Mon, 29 Nov 2021 23:24:43 +0100
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Steinar Bang <sb@dod.no> writes:

> Now I just got to figure out what switches the behaviour on (i.e. it's
> ".emacs bisect time" again...).

Alternatively add (debug-on-entry 'scroll-lock-mode) near the beginning
of your config and restart.  The backtrace should tell you what invoked
the mode, you see which form in which file is currently processed etc.
c to continue.  Then remove the `debug-on-entry' call.

Michael.