bug#33452: Color of tooltip text on macOS with dark mode

[Alan Third]

On Fri, Nov 23, 2018 at 11:08:18PM +0200, Eli Zaretskii wrote:
> > Date: Fri, 23 Nov 2018 20:38:51 +0000
> > From: Alan Third <alan@idiocy.org>
> > Cc: tkk@misasa.okayama-u.ac.jp, 33452@debbugs.gnu.org
> > 
> > Sorry, I thought you were meaning colours as set by Emacs lisp.
> > 
> > We can set the foreground and background to anything we want in C, but
> > in emacs-26 currently we can’t modify them by Emacs lisp, and only the
> > background colour is being set in C, which leaves the foreground to
> > use whatever the system default is.
> > 
> > The master branch honours the colours set by lisp.
> 
> Thanks.  So what are out alternatives for emacs-26, besides
> backporting from master (which will give control on colors to Lisp)?

We can try to use the system tooltip colours, but I think we’re better
off just setting a foreground colour. Patch attached.
-- 
Alan Third

0001-Set-tooltip-text-color-bug-33452.patch
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