add StdoutUrgencyHook, to help debug weird client behavior
add StdoutUrgencyHook, to help debug weird client behavior

darcs-hash:20071112015855-78224-459555edb4a9acd4a06a1ae1960eb3b9e8a3d6ee

yzhou61/xmonad-contrib,yzhou61/xmonad-contrib,yzhou61/xmonad-contrib