now identical with the distributed versions, which may cause some
abbreviations to change for people in obscure zones. (The abbreviations
can be changed again if need be.) It also changes the abbreviation
of Central European Time to `CET' from its previous value of `MET'
(a curious German-English hybrid). Finally, we have finally rid
ourselves of those nasty ZONE-DESCR comments, which were a maintenance
nightmare, in favor of the new zone.tab file. We are not using the
distribution's iso3166.tab file because we have our own list.
Obtained from: Arthur David Olson; ftp://elsie.nci.nih.gov
as the previous one, and better integrated with the build scheme.
Define OLDTIMEZONES to get backward-compatibility links added.
Define LEAPSECONDS if you want leap-second support.
