bug#45640: 28.0.50; Fringe icons show fixed white background on secondary display (macos)

[Alan Third]

On Wed, Feb 10, 2021 at 09:50:03AM +1100, Li Feng wrote:
> I tested emacs master on a retina display, and it is all good. fringe icons
> are rendered correctly on both internal and external displays. However, on
> low-res external displays the fringe icon rendering is still broken.

I've completely rewritten the fringe bitmap display on the master
branch. Can you please have a look and see if this is still a problem
for you?
-- 
Alan Third