This behaviour would be expected when you switch to a screen, which doesn't display any clients (and whose current tagset's clients aren't displayed anywhere else). However, if you now press keys not grabbed by the window manager, they get passed to the client previously focused on the other screen.
This behaviour would be expected when you switch to a screen, which doesn't display any clients (and whose current tagset's clients aren't displayed anywhere else). However, if you now press keys not grabbed by the window manager, they get passed to the client previously focused on the other screen.