[Data-modeling] "area" property of "/location/location" type

[Tim Kientzle]

>> The "simple" property really should be
>> generated by a query on the complete property...
>
> Perhaps the longer term solution is to add support for this general  
> "main"
> vs. "alternates" split to MQL itself.

Or have a natural way to request "first of a list".  Then
the current list-ordering mechanism provides a lot of the
backing machinery.

TBKK