What do I call a working tree that stores its revisions in a shared repository?

[Xavier Maillard]

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   PS: One thing still missing about repositories is
   the ability get a "list of branches" stored in it, and being able to
   check-out a branch from it, even if the branch isn't available anywhere
   else than in this repository.

This is also something I would like to see implemented (if doable).

	Xavier
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