bug#16430: 24.3.50; When fullscreen is triggered from the window manager, I can't resize window (via M-x org-export RET)

[martin rudalics]

> With my window manager:
>
> (window-pixel-height (frame-root-window)) => 750
>   (window-pixel-height (selected-window)) => 375
>
> With toggle-frame-fullscreen:
>
> (window-pixel-height (frame-root-window)) => 728
>   (window-pixel-height (selected-window)) => 368

What is the size of the other, non-selected window in each of these
cases?  And what gives evaluating (frame-char-height)?

> (You can see it on the video: with M-x toggle-frame-fullscreen RET
> there is a unused bottom space, whereas with the WM fullscreen
> there is none.)

I can guess it from the video now.  But when I do
`toggle-frame-fullscreen' there's no "unused bottom space" (with
xfwm4).  What happens when you maximize the frame instead?

martin