Re: src/nsterm.m: fix window tabbing on macOS

[martin rudalics]

> Fwiw, most native macOS app windows can show/hide their toolbar, and
> when they do this, the window itself maintains overall size. However
> in Emacs when toggling tool-bar-mode the window grows/shrinks in
> overall size (i.e. maintains window lines).
>
> So I guess one of the questions here is whether to do these height
> calculation to maintain overall window size (and thus consistency with
> the OS) or to maintain visible window lines.

The value of `frame-inhibit-implied-resize' should answer that question.

martin