bug#8003: 23.1; Background of mouse is incorrect

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: HZhou@pixelworks.com,  8003@debbugs.gnu.org
> Date: Sun, 29 Sep 2019 12:31:16 +0200
> 
> > The 'mouse' face's background color is the color of the mouse pointer.
> > See the description of 'mouse-color' frame parameter in the node "Font
> > and Color Parameters" in the ELisp manual.
> 
> I see; thanks.  But if I change that face, I can't see anything changing
> with the mouse pointer.  Does it depend on, er, what graphics library
> and OS you're using?

Yes, I think it's only visible in non-toolkit builds or something.