Create a *real* top level window

[Timo Juhani Lindfors]

Carsten Haitzler (The Rasterman) <raster at rasterman.com> writes:
> 1. if user client does an xgrab(server/keyboard/pointer) and u stop socat
> before the grab is released.. you're SOL. a "race condition" or more a "state
> condition" you havent accounted for.

It seems that ctrl-alt-/ is enough to kill such a grab. At least I can
use sido in the xdm login window now :-)