[Xmonad] darcs patch: Set WM_STATE, iconify invisible windows (+9 loc)

Sun Jun 3 21:10:29 PDT 2007 Stefan O'Rear * Set WM_STATE, iconify invisible windows (+9 loc) Note that this breaks compatibility with certain programs described as "obsolete" in the ICCCM (1994). See the command above the UnmapEvent handler for details.