Patch from Tony Godshall to issue usage message on error.
http://bugs.debian.org/705008

Index: tritium/bin/tritium
===================================================================
--- tritium.orig/bin/tritium	2013-04-08 13:25:14.872228611 -0700
+++ tritium/bin/tritium	2013-04-08 13:32:07.862276712 -0700
@@ -45,6 +45,10 @@
     Any_space = Any_Down = C_n = menu.MenuKeyHandler._down
     Any_BackSpace = Any_Up = C_p = menu.MenuKeyHandler._up
 
+def usage():
+    print "right now all we understand is -d for debug"
+    os.abort()
+
 class TritiumClient( wmanager.Client,
                      tritium.frame.FrameClient,
                      tritium.frame.tab.TabClient,
