"That's what I wrote;,I just used a different form of English. One you seem not to accept." "Rather, I suggested it was open to misinterpretation and could be written more clearly." Hardly. I wrote as is spoken: the "s-less" genetive. How could it be written more clearly? And what language...

I guess you don't get out much, Anon. Here is a sampling of respectable online sources. Doing a bit of Google research yourself will turn up many, many more. The American Heritage Dictionary : Grammarians have sometimes objected to the so-called double genitive construction, as in a friend of my father...