[xmonad] Solved: nedit-nc -tabbed no longer working

Ben Franksen wrote:

I see now that there is XMonad.Hooks.EwmhDesktops in xmonad-contrib to support "Extended Window Manager Hints", of which _NET_WM_DESKTOP is one. Will try this and report back.

Using this module from xmonad-contrib indeed did the trick. Yippee! Cheers Ben