Leap second clarification
utatane.tea at gmail.com
Sat Nov 24 15:14:36 PST 2012
About 4 months ago, a leap second is inserted. And it reveals that there
are many implementation diversity for leap seconds.
rejects it in ISO 8601 format.
On the other hand, SpiderMonkey rejects it in Date#toString format, but
accepts in ISO 8601.
V8 rejects the leap second in ISO format and when it comes in Date#toString
format, heuristic second check(0-59) decides it isn't second and fail to
Chakra rejects both, and Carakan shows the same behavior to SpiderMonkey
( quated from this blog post
I think it is better to describe it as NOTE or standardize this behavior.
 Thu Dec 31 23:59:60 GMT 1998
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