Minimize Window with Key

[Andrew Conkling]

Some time ago (probably on Tue, 9 Nov 2004 21:53:22 +0100)
Stefan Heinemann <stefanheinemann at gmx.ch> had occasion to say the
following:

> Is there a possibility to minimize a window
> of a game like quake3 or armyops in
> xfce 4.0.6? 
> Maybe something like the key combination
> windows-d in Windows?
> 
> It is possible to change to the window mode
> of the game, but I dont know how I can get the
> control over xfce....

Look in the WM preferences; you'll see a keybinding for "Hide Window". 
IIRC, this is in 4.0.6; I know it's in the betas.