Re: Missing frame parameters on tty's

[Eli Zaretskii <eliz@gnu.org>]

> Date: Thu, 3 Dec 2015 11:18:15 +0000
> Cc: emacs-devel@gnu.org
> From: Alan Mackenzie <acm@muc.de>
> 
> > Why single out those two?
> 
> Because they're the two over which a misunderstanding has happened.

Doesn't sound like a compelling reason to me.

> > Especially since it make no sense at all to have them on TTY frames.
> 
> I think it does.  A tty frame's top left corner starts 0 "pixels" from
> the top and from the left of the screen.

And it cannot start at any other point.  What sense does it make to
have frame parameters whose values are known in advance, and cannot be
changed?

> Anyhow, I've been reading the "Window Frame Parameters" chapter in the
> Elisp manual, in particular "Position Parameters".  The description of
> `left' and `top' immediately follow a statement that measurements on a
> TTY are in terms of characters or lines.  This cannot help but give the
> impression `left' and `top' _are_ available on TTYs.  Perhaps if we
> aren't going to give TTYs these parameters, we should amend that manual
> page to say explicitly that TTYs don't have them.

Patches to that effect are welcome.

Thanks.