Re: [RFC] Add :invisible face attribute

[Eli Zaretskii]

> Date: Mon, 23 Dec 2024 09:22:33 +0300
> From: Jean Louis <bugs@gnu.support>
> Cc: Michal Nazarewicz <mina86@mina86.com>, emacs-devel@gnu.org
> 
> >   > Introduce :invisible face attribute which makes foreground to be the
> >   > same as background rendering the text invisible; or when :invert-video
> >   > is also in effect, background is the same as foreground.
> > 
> > Why is this feature worth having>  What is useful about it?
> 
> 
> (info "(elisp) Special Properties")
> 
> I think it already exists in Emacs:
> 
> ‘invisible’
>      A non-‘nil’ ‘invisible’ property can make a character invisible on
>      the screen.  *Note Invisible Text::, for details.
> 
> (info "(elisp) Invisible Text")

That's a different feature.  Its effect on display is very different.