From: "Rich Salz" <>
> On Thu, 15 May 2003, Bob Foster wrote:
> > Do you have an example of two durations that can't be ordered by
> > normalization?
>
> Unless I misunderstand, P1M and P30D, for example. How many
> days in a month?
>
> Or do you mean something else?
Thank you for giving me credit for having a thought.
I guess I made the dumbest mistake possible when talking about time
durations; unless they are anchored in time, they mean nothing. I knew this
about 'quarters', 'bi-monthly' etc. and didn't think how fundamental the
problem is.
Bob
