of important changes to European and South and Central American countries
which should be back-ported to 3.x.
Obtained from: ftp://elsie.nci.nih.gov/pub/tzdata1999a.tar.gz
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