tzcode2000c.tar.gz and tzdata2000c.tar.gz

The files ftp://elsie.nci.nih.gov/pub/tzcode2000c.tar.gz and ftp://elsie.nci.nih.gov/pub/tzdata2000c.tar.gz are now available. These incorporate the changes circulated on the time zone mailing list by Paul Eggert. --ado