Re: A ton of marker entry in buffer-und-list

[Eli Zaretskii]

> From: Michael Heerdegen <michael_heerdegen@web.de>
> Date: Fri, 26 Feb 2021 22:48:51 +0100
> 
> And I also think your analysis is correct: winner-mode adds something to
> `post-command-hook' that calls `winner-remember' which creates a fresh
> window-configuration.  In post-command-hook!  Every time.  These are not
> all kept, no, but their markers (point and mark positions, all different
> objects, I have checked that), at least some of them, seem to live long
> enough to get part of buffer-undo-list when undoing.  Once they are
> there, they can't even be garbage collected any more, because they are
> now referenced by a living lisp object.
> 
> This is...not so good, right?

No, it isn't, IMO.  Please report this as a bug.