The ohloh seems to be tracking only the trunk branch of the OpenOffice.org or something like that.
The "integrated" branches/trunk basically discard the real actual code committers and replaces them with the "integrator", e.g. firstname.lastname@example.org, giving those few all the credits.
To fix this somewhat, I'd like to see all the cws:s (child work spaces) tracked in ohloh, which contain all the actual code committers.
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