Ouch, one more thing for the link exchangers and link buyers to watch out for!
I'm sure there are other pitfalls to this behaviour.
That was before last September though?
It was. I can't remember when I last saw different PRs but it was at least a year ago. Because they are showing up with the same TPR now I have no way of knowing.... wait! I do. There are no IBL to index.htm and index.html and they still went from PR5 to PR6. Hmmm.