[[!comment format=mdwn
 username="joey"
 subject="""comment 6"""
 date="2015-01-20T18:51:06Z"
 content="""
Remi's idea of using [[preferred_content]] can be made to work.

There's no `git annex copy --from A --to B`. It would need to locally spool
each file into the current repo, and being an unusual corner case has not
seemed worth doing so far.
"""]]
