Rules that Don't Exist
bill-at-the-office at pobox.com
Sat Nov 24 13:12:55 UTC 2007
On 11/23/07, Ken Pizzini <tz_ at explicate.org> wrote:
> The important thing to remember is that the rules specify *transitions*.
That's what I thought, too, until I realized that the SAVE and LETTER/S
columns specify states, not transitions. Consider for example:
Rule US 1942 only - Feb 9 2:00 1:00 W # War
Rule US 1945 only - Aug 14 23:00u 1:00 P # Peace
The second of those is /not/ an instruction to set my clock ahead an hour.
But my real question was about the replacement text for "%s" in the Zone's
FORMAT when there has been no "transition" to set the LETTER/S initially.
Assuming an empty string is reasonable and works for the Europe/Zurich
example in zic.8.txt; but it gives me "CT" for a similar case in
I'm guessing that it really should be "CST". If that's right, we need
some algorithm for getting the "S" from the existing data. Maybe
When changing to a named Rule before the first one exists, move
forward in time to the first with a SAVE of 0 and use the LETTER/S
But my guess might be wrong...I don't know, which is why I'm asking.
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