This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

This program does not read in any dates from the user in any format.
Any date manipulation is done in terms of seconds since the UNIX epoch.
No conversions to or from a textual format are done.  As far as I am
aware, no parts of this package will have any problems on the year 2000
or well beyond.