I'm not picking on Wictor but almost every time I've given an answer on this forum and did not provide any details, just as WW did, I get downvoted and harrassed by the SE police and my reputation, tiny though it is, has taken a hit.
Wictor, I know it's been a while but this is still a relevant issue. If you are still among the living would you mind dropping some knowledge on us about this issue? I think it would help a great many people. Otherwise, the post should probably be removed since it does not answer the question and is ancient by Internet terms.