Correct English Possessives

[Francesco Spreafico]

Donald D. Markstein wrote:

> In both cases, common usage may eventually render it "correct" --
> that's how it is with living languages. But in neither case is it
> there yet, and I doubt it will be in my lifetime.

Well it actually was already correct when they printed my English 
grammar some... 15 years ago! So I guess it's already there... maybe 
grammars still differ on it.

Francesco