maps: document RevMap.batchset will not update internal state Judging from the name, RevMap.batchset seems to be equivalent to multiple "__setitem__"s. But it neither calls dict.__setitem__ nor updates "_hashes". Update the docstring to make it clear the in-memory state is not updated.

include Makefile hgsubversion/help/*.rst tests/fixtures/invalid_utf8.tar.gz
recursive-include tests *.py *.sh *.svndump *.txt