At this moment the DF wiki contains 8 sub-structures.
I think this is still ok.
Once these things spawn their own real groups we should clean them up
The part where we have a potential gain is in the use-cases area. Rainer
is doing an effort there.
I have put him in CC.
Dr. ir. Herman Stehouwer
Max Planck Computing and Data Facility (MPCDF)