tzcode2000a.tar.gz and tzdata2000a.tar.gz

The files ftp://elsie.nci.nih.gov/pub/tzcode2000a.tar.gz and ftp://elsie.nci.nih.gov/pub/tzdata2000a.tar.gz are now available. These include the changes circulated on the time zone mailing list last week by Paul Eggert; the two hypertext documents have also been renamed. --ado