bug#24579: [PATCH] borderless windows on OS X

[martin rudalics]

> That we’re doing it from within Emacs, so it’s an Emacs feature, and
> therefore needs to be available on a Free platform first.

I hope I answered this one.  You can create a borderless frame without
titlebar on GNU/Linux - it's the native Emacs tooltip frame.

> (For the record, I tested this patch with GNUStep on GNU/Linux, which
> I imagine counts as Free, and it didn’t remove the titlebar, even with
> some fiddling. That may have been my WM refusing to play along,
> though.)

My GNUStep Emacs is dysfunctional for quite some time so I wouldn't even
try.

martin