From: "Rob Jones 4-6597 MR Sys" <jones@mr.med.ge.com> Date: Tue, 8 Oct 1996 12:23:18 -0500 In the tzdata files when the UNTIL field is just a year (without a month day) specified, does that mean up to and including that year, or just up to ? Somehow that didn't get documented. Here's a draft patch. In practice I use vague dates like `1967' when I don't know exactly when the rules changed, and a more precise time stamp like `1967 Jan 1 00:00' if I know that's the exact time -- even though both inputs mean the same thing to `zic'. =================================================================== RCS file: RCS/zic.8,v retrieving revision 1995.7 retrieving revision 1995.7.1.1 diff -c -r1995.7 -r1995.7.1.1 *** zic.8 1995/10/30 14:58:15 1995.7 --- zic.8 1996/10/08 18:31:38 1995.7.1.1 *************** *** 304,309 **** --- 304,312 ---- If this is specified, the time zone information is generated from the given GMT offset and rule change until the time specified. + The month, day, and time of day have the same format as the IN, ON, and AT + columns of a rule; trailing columns can be omitted, and default to the + earliest possible value for the missing columns. .IP The next line must be a .q continuation