Michael Bernstein wrote:

> Thanks, Steve. That was very helpful. To summarize your
> explanation, if I understood correctly:
> This is strictly an implementation issue. 

You could say that. I would agree some of the time :-)

> If the SkinScript
> has functionality that should be shared by more than one
> Rack, it should go in the Specialist, 

Not quite. If the SkinScript has functionality that is shared by
all the Specialist's Racks, then it should go in the Specialist.

Another way of looking at this is that application logic lives
in the Specialist, and storage logic lives in the Rack. 

> otherwise keep it with
> the Rack that it's specific to. Or, looked at another way,
> common functionality should be factored out and acquired.

Although you can do that, it is not always the best thing to do.
Sometimes, a bit of redundancy helps ease a system through the 
pains of evolution :-)

Steve Alexander
Software Engineer
Cat-Box limited

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