> As far as range and general comparison syntax is concerned,
> $:XYZ=function(value) syntax looks to me as a best choice. It opens
> door for future extensions. Last two syntaxes could offer same
> extensibility, but they look so unusual (it's just feeling).
Thinking about it further, in my particular case I could write:
$:Date=date({$SevenDaysAgoISO} ..{$TodayISO})
If we could define own comparison (filtering) functions I could even
use it without page variables:
$:Date=last7days()
Roman
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