----- Original Message ----- 

> Hi Alain -
>
> To me there is a big difference: From my perspective all preferences code 
> is UI code. Why? Because at the system level we use class variables and 
> messages, not preferences. At the system level if you want to broadcast an 
> event you use announcements or some other event system.
>

I disagree that preferences "as a concept" are UI level (in terms of 
graphical and/or point and click).
It is quite valid that a preference exists for use with or without a user 
means of setting/changing.

Regards, Gary.