When you make a window fullscreen it ends up under another window

[jcampbell05]

If you use Penc to make one window split and then later make another window fullscreen. The fullscreen window ends up under the split screen window and you have to leave penc to dismiss the split screen window.

Ideally fullscreen window would end up on top or there is way to dismiss the split screen window

[dgurkaynak]

Hmm, Penc doesn't change z-index property of windows. You can use right-click to the frontmost window to minimize it.