At 11:22 AM -0800 050301, Ashok Malhotra wrote: >Dave: >Two points. > >1. I don't understand why timezones are not durations. Surely, 5 >hours and 30 minutes is >a duration or a dayTimeDuration. You can argue that timezones are a >subtype of dayTimeDuration >with special rules for arithmetic. And you can argue that if you change the arithmetic, then it's no longer a subtype. Of course, you not only need different arithmetic but also different lexical and canonical mappings. By that time, you've changed almost everything. >2. F&O changed it behavior as of this morning. The timezone >component is now stored as >a dayTimeDuration e.g. PT5h30m. If that means you've stored one integer that is a multiple of 60 between -50400 and 50400, rather than storing one integer between -840 and 840, then we're quite close--I don't see that it matters much. But a dayTimeDuration value is not an integer, it's a pair of integers. Is that really what you want to store? -- Dave Peterson SGMLWorks! davep@iit.eduReceived on Tuesday, 1 March 2005 19:34:56 GMT
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