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Committer:
John Arbash Meinel
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Date:
2010-08-09 15:47:52 UTC
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Revision ID:
john@arbash-meinel.com-20100809154752-ah3vho249qprf4ky
Use a set() to ensure we don't repeat parents.
Repeated children is useful, because stuff like dicts can do it, and it
lets you know the key:value. Repeated parents doesn't seem to do
anything but waste a lot of memory.