[time-nuts] Leap second to be introduced at midnight UTC December 31 this year

[David Malone]

Hi Hal,

I guess you know this but...

> I wasn't considering refclocks to be "core" in that context.  Got a better 
> word?

> Have you found any similar code that isn't in one of the refclocks?

ntp_loopfilter.c used to have code that restricted the months for
leap seconds. The new core ntpd code doesn't do this check, though
if you have an up-to-date leapseconds file, it will veto bad
suggestions.

	David.