Delegation Proposal Amendment

[Granqvist, Hans]

> ...
> Revised Proposal
> ================
> 
> As it stands, "openid.identity" is the identifier by which 
> the IdP knows the user. There is no parameter by which the RP 
> knows the user.
> 
> I propose to add a field called "openid.rp_user_id" in 
> "checkid_*" and "id_res" that defaults to "openid.identity" 
> if it is missing. This field is the identifier by which the 
> relying party knows the user.
> ...

Josh, 

Can you propose this in terms of diffs to the current draft so
it is glaringly obvious what the proposal means?  

Also, I think this "diffs to current draft" can be most useful
for all proposals as it cuts through the various semantic
clouds we all have hanging over our heads ;)

Hans