(I've forward this to es5-discuss and deleted es-discuss from the to line) > -----Original Message----- > From: [email protected] [mailto:es-discuss- > [email protected]] On Behalf Of Peter van der Zee > Sent: Monday, July 19, 2010 9:00 AM > To: [email protected] > Subject: Leap seconds for Date.parse > > While 15.9.1.1 explicitly says leap seconds are ignored by ECMAscript, the ISO > 8601 timestamp format allows them. > > 15.9.1.15 (used by Date.parse) does dictate ranges for months and dates (days > of month), but they don't specify the range for hours, minutes and > (milli)seconds > (although a note says 00 is the same as 24, fine). On the other hand, "the > number of x passed since y" can be interpreted as a range. But does this > interpretation come through the viewport of ECMAscript (ignoring leap seconds) > or the real world. > > The last paragraph in 15.9.1.15 before the notes says to reject all dates it > cannot > parse. > > Now my question is, should "T23:59:60" be a valid timestamp as parsed by > Date.parse? > > Which basically comes down to the question whether Date.parse should only > parse dates Ecmascript can produce itself or dates ISO 8601 could produce. If > up > in the air, my vote goes to allow leap second notation. The current Firefox > implementation (for example) seems to reject it. > > - peter > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss
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