Brian Somers 9263db41f6 Change -v so that variences in units of days or less are sensitive to
DST.  Explain in more detail what date -v does when mixed with DST.

Previous code suggested broken by: wollman
2000-04-12 13:35:17 +00:00
..
1999-08-27 23:15:48 +00:00
1999-08-27 23:15:48 +00:00
1999-08-27 23:15:48 +00:00
1999-08-27 23:15:48 +00:00