In comment #110 and the image attached to bug 779651 it was shown that the dead area is indeed smaller than the switcher window. However the shape and precise position of the dead zone is that of the switcher's grey background.
In comment #110 and the image attached to bug 779651 it was shown that the dead area is indeed smaller than the switcher window. However the shape and precise position of the dead zone is that of the switcher's grey background.