bug#69782: [PATCH] Fringe bitmaps should respect alpha-background

[Nathanael Sandy]

Po Lu <luangruo@yahoo.com> writes:
>
>What if you start Emacs thus:
>
>  src/emacs -q -xrm 'Emacs.visualClass: TrueColor-32'
>
>?

That does increase the output of (x-display-planes) to 32 - however, changing 
alpha-background with (set-frame-parameter nil 'alpha-background 50) still has 
no effect. The frame stays fully opaque.