...patch).4.1
  If you look inside _darcs you will find files or directories named `patches` and `inventories`, which store all the patches ever recorded. If the repository holds a cached pristine tree, it is stored in a directory called `pristine.hashed`.

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...4.2
  Revert can undo precious work in a blink. To protect you from great grief, the discarded changes are saved temporarily so the latest revert can be undone with unrevert.

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... it.4.3
  darcs even has a special command, `trackdown` that automatically removes patches until a specified test no longer fails.

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... repository.4.4
  It will omit patches already depended upon by other patches, since they will be indirectly depended upon anyway.

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... push 5.1
  But it affects the repository and working directory targeted by the push

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... send 5.2
  As for the other end, see apply

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... put 5.3
  Creates a new repository

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... back.5.4
  The patch file itself is not actually deleted, but its context is lost, so it cannot be reliably read--your only choice would be to go in by hand and read its contents.

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