I have determined that the last three examples I added in comments are from a known spammer (cjyoujsd[at]yahoo.com.cn). Recent changes show that he does not have an account, so I think we should disregard these examples.
I have determined that the last three examples I added in comments are from a known spammer (cjyoujsd[ at]yahoo. com.cn) . Recent changes show that he does not have an account, so I think we should disregard these examples.