On Fri, Jan 1, 2016 at 5:22 AM, Bogdan Sinitsyn <bogdan.sinitsyn@gmail.com> wrote:
If it's just ignored, it theoretically could be overlapped by some new
windows. But if xmonad thinks it's strut(it doesn't have to be of the dock
type for this), it wouldn't be overlapped. Another solution is to make it
always stay on top of other windows, but I don't know how to do it with xmonad
if it's ignored.

Only floating windows would overlap it; tiled windows would go below it. I don't think this would be too much of a problem in practice though. (Partly because floating windows are badly behaved anyway --- note that the strut is only applied to tiled windows!) 

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