tzcode1997d.tar.gz and tzdata1997e.tar.gz

The files ftp://elsie.nci.nih.gov/pub/tzcode1997d.tar.gz and ftp://elsie.nci.nih.gov/pub/tzdata1997e.tar.gz are now available; these incorporate Paul Eggert's latest suggestions. Remember that many United States locales change clocks within the next 24 hours; if you're affected, be sure to keep your time zone expertise credentials in order. --ado