On Sun, Mar 19, 2023 at 06:38:38PM -0700, David Masterson wrote:
> Emanuel Berg <incal@dataswamp.org> writes:
> 
> > Patrick Mahan wrote:
> >
> >> I have to do development work on some machines running
> >> Ubuntu 18.04 which seems to only support emacs 25.
> >>
> >> Can Ubuntu support a new version?  (26, 27 or higher?).
> >
> > Absolutely, I'm on Debian (and Ubuntu is Debian on steroids -
> > useless ones, some say ...) and I use Emacs version
> >
> >   GNU Emacs 30.0.50 (build 1, x86_64-pc-linux-gnu, cairo
> >   version 1.16.0) of 2022-12-26 [commit
> >   2ffe1494e16381cfc7fec95a6a0879f268df3e95]
> 
> Interesting.  Cairo is GTK-based?  So, this Emacs runs under GTK?

No, more the other way around: cairo is a drawing surface which
became a GTK component. It meshes well with GTK (can, e.g. use
Pango as a font rendering engine), but can be used standalone.

But don't believe me, go to the authoritative source [1].

Cheers

[1] https://cairographics.org/

-- 
t