I'm wondering the same thing myself.

Since this is a relatively new service, perhaps it hasn't been implementled yet. As far as your unanswered emails...if you continue to receive no feedback, I'd recommend posting your question to Randy in the "Randy Peterson Only" thread since this is certainly a legitimate question. Mention you posted it here, and emailed the webmaster, but have received no reply. Randy seems very astute and willing to help clarify things.

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