Updates to historic rules only for: part of Alaska, Algeria, Bulgaria,
Colombia, Easter Island, Italy, Malta, Mexico, Mongolia, Montserrat,
Puerto Rico, Poland, Russia, South Korea, Spain, part of North Dakota,
United Kingdom, Uruguay, Uzbekistan
Updates to current and future rules for: Guatemala, Haiti, Honduras,
part of Indiana, Iran, Nicaragua, Palestinian Territories, Sri Lanka,
Tunisia,
Updates to future rules only for: Canada, Thule AFB in Greenland
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