If you press win_up, the current window will be maximized. Both win_right and win_down take the window back to its prior "non-maximized" state (and that half-window display that win_left put you in ...

If you press win_up, the current window will be maximized. Both win_right and win_down take the window back to its prior "non-maximized" state (and that half-window display that win_left put you in ...