• To: "Rich Salz" <rsalz@d...>
• Subject: Re: What are the characteristics of a good type system for XML?
• From: "Bob Foster" <bob@o...>
• Date: Thu, 15 May 2003 21:42:10 -0500
• Cc: <xml-dev@l...>
• References: <Pine.LNX.4.44L0.0305152110350.30780-100000@s...>

From: "Rich Salz" <rsalz@d...>
> 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

• References:
  • Re: What are the characteristics of a good type systemfor XML?
    • From: Rich Salz <rsalz@d...>

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