Re: Support for background transparency

[Eli Zaretskii]

> From: Po Lu <luangruo@yahoo.com>
> Cc: Håkon Flatval <hkon20@hotmail.com>,  larsi@gnus.org,
>   emacs-devel@gnu.org
> Date: Sun, 28 Nov 2021 15:47:00 +0800
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > We rely on people who track the development code to report any
> > problems they see.
> 
> Speaking of which, wouldn't it be better to have this as a face
> attribute, like `:background-alpha' and `:foreground-alpha', instead of
> as a frame parameter?

They are not a contradiction.  A frame parameter makes a lot of sense
for users who want the Emacs frames to have transparent background.