bug#15876: 24.3.50; Highly degraded performance between rev 114715 and 115006

[Eli Zaretskii]

> From: "Sebastien Vauban" <sva-news@mygooglest.com>
> Cc: 15876@debbugs.gnu.org
> Date: Tue, 26 Nov 2013 21:52:05 +0100
> 
> > So what is the minimum .emacs that will cause the problem?
> 
> That does it:
> 
> --8<---------------cut here---------------start------------->8---
> ;; highlight trailing whitespaces in all modes
> (setq-default show-trailing-whitespace t)
> 
> (setq org-ellipsis " \u25B7")           ; string
> --8<---------------cut here---------------end--------------->8---

And this makes Emacs slow in scrolling for any file you visit?  Or
just in Org buffers?

If the latter, perhaps your Org files are special in some way, because
the ones I tried don't show any slowdown I could sense.