[Xmonad] Xinerama & switching workspaces

[Dave Harrison]

>> And, is there a better way to find something on another workspace ?
> 
> I use the state logging facility, and xmonad-status.c to display a
> little status bar showing the current workspace, and those others with
> clients on them -- I'm actually addicted to this script now.
> It takes the logging output, and prints it as:
> 
>     1 2 [3] 5 8
> 
> giving the indices of non-empty workspaces, and the focused one.
> Pipe that into dzen, and off you go. Examples in XMonadContrib/scripts/
> 
> I the darcs version, you enable this by setting logging = True,
> and having xmonad-status.c built and in your path. 

I've grep'd the code, and can't find where I'm meant to set logging =
True ?