Re: "spurious scrolling bug"

[Chong Yidong]

Richard Stallman <address@hidden> writes:

>     Does anyone know what the FOR-RELEASE item "spurious scrolling bug"
>     actually refers to?
>
> This bug causes a spurious scroll that centers point in the window.
> Sometimes it seems to happen while Emacs is idle, which leads
> me to suspect that an idle timer is doing it, or else that the
> code in keyboard.c that does things like auto-save and GC when Emacs
> is idle.
>
> I have tried to find ways to reproduce it, but no success yet.

I haven't seen anything like this.  Any clues?

>From inspecting timer-list and timer-idle-list, I see only that the
only active timer is the idle timer jit-lock-context-fontify, which
doesn't move point.  Do you have stealth fontification on, or any
relevant customizations that might cause this?