GNU bug report logs - #4394
23.1; flashing when overlapping face and mouse-face properties

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 4394 <at> debbugs.gnu.org, monnier <at> iro.umontreal.ca, drew.adams <at> oracle.com
Subject: bug#4394: 23.1; flashing when overlapping face and mouse-face properties
Date: Sun, 18 Jul 2021 22:11:29 +0300

> From: Lars Ingebrigtsen <larsi <at> gnus.org>
> Date: Sun, 18 Jul 2021 21:06:57 +0200
> Cc: Stefan Monnier <monnier <at> iro.umontreal.ca>, 4394 <at> debbugs.gnu.org
> 
> The point of the mouse face is to tell the user that they can mouse-2 on
> the region to expand the abbreviated bits.  (This is done in
> `last-sexp-setup-props'.)
> 
> However, when the sexp is large, the mouse face is indeed very annoying.
> Would it make sense to shorten it somehow?  For instance, only display
> it over the "..." to indicate that it's the abbreviation that the mouse
> face is trying to draw attention to?  Or...  something else?
> 
> Like...  er...  adding underlines or something to the dots and not using
> a mouse face at all?  Or underlines and a mouse face, but just for the
> dots...
> 
> Anybody got an opinion?

My opinion is that we should leave this alone.

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