I have no objection to the occasional one-second shutdowns that the
use of leap seconds requires, provided of course that z/OS manages
them itself.

In the two international meetings on this topic that I have attended,
the hidden objection to the use of leap seconds turned out to be that
they notionally complicate calendrical computations, but they do so
only if these computations are naif.  I was able to dissipate these
anxieties in those two small groups by explaining GLB-seeking binary
search to them, but they are still widespread.

What is not perhaps fully understood is that the abolition of leap
seconds would entail using much larger, less tractable corrections at
much longer intervals.  .


John Gilmore, Ashland, MA 01721 - USA

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