Re: moving window handling into lisp

[martin rudalics]

> OTOH, there is a situations where we have to live with it: when resizing
> a frame "all the way across and back", we may want/need to delete
> a window and then resurrect it.  Not sure what's the best way to deal
> with this:
> - either somehow make it possible to undelete windows (I'd *much* rather
>   not, but maybe if we make it sufficiently restrictive it'd be OK).

We'd eventually have to GC such windows to avoid leaks.

> - or maybe avoid deleting the window in this case, instead leave it
>   a size-0, and delete it at some later time (when would that be?).

Same as above.  We'd end up accumulating zero-sized windows.

> - prevent frame resizing that would require deleting a window.

Emacs not honoring a window manager's request?

I think we can live with deleting windows in that case and _not_
resurrecting them when the frame is resized.

martin