concurrency/version control / conflict resolution?

[Miles Fidelman]

Hi Folks,

Has anybody implemented a distributed concurrency/version control on top 
of tahoe-lafs; and/or mechanisms for conflict resolution on files where 
multiple people have writecaps?

Thanks,

Miles Fidelman

-- 
In theory, there is no difference between theory and practice.
In practice, there is.   .... Yogi Berra