On Wed, Jul 15, 2009 at 09:18:40AM +0000, Tobias wrote:
> 
> Now the date problem, and the default nature of ranges.
> 
> *Currently*, the only existing ranges have an /including/ (if any) lower
> limit, and an /excluding/ (if any) upper limit.
> 
> This is the result of such ranges being supported for date values only,
> and we simply compare to the 0:00 values of the given days:
> 
>   2009-07-13;2009-07-15

or use times explicitly
2009-01-13.10:55:20;2009-07-15.11:23:17 

And I'm currently not sure if we shouldn't make the default interval
(without brackets/parentheses) to model the current semantics of dates:
Include the lower but exclude the upper bound.

Ralf
-- 
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