This is also mentioned in the bibliography later on in the document, albeit maybe not the same link I posted above. That seems to include 60 and has a couple RFC's to back it up.
WV> The 'second' can be "60" when there is a leap second inserted into WV> UTC. It would be very cool if anyone ever accomplished to write a WV> message with that date/time stamp! (Without cheating of course! ;))
I'm no programmer, but maybe that's exactly what it's defined for, in the very rare case that it would need to be used?
Regards, Nick
... "Не знаю. Я здесь только работаю." --- GoldED+/LNX 1.1.5-b20161221 * Origin: thePharcyde_ distribution system (Wisconsin) (1:154/10)