[tz] (topic drift) leap second theory

[Paul Gilmartin]

Steve Summit wrote:
> I was trying to point someone to a reference describing how
> the "right" zones can be used to enable a system to handle
> leap seconds more correctly, ...

Humpf!  I notice the current MacOS Mojave doesn't install the
"right" subtree.  I paxed it in from my desktop Linux guest
and it seems to work, so the code is there but the data are
lacking.

-- gil