it might be a good idea for the next revision of the database to make a modification to zic to include the handling of a new "expectzicversion" line in the various data files. if we had a switch like this now, each file could contain something like this: # # This file expects a version of zic that is 7.95 or later # if you are running an older version, upgrading is recommended # but you can continue to run with the older version if this # line is removed but some data may not be converted correctly. # expectzicversion 7.95 when I ran with an expectzicversion line added to one of the files (as a test), I got an error message and the program aborted. the advantage to a line like this is that it would encourage people to upgrade zic (thus preventing/correcting many possible problems) and would allow a future change which requires a new zic to work correctly to be very quickly identified. Rodrigo Severo wrote:
Olson, Arthur David (NIH/NCI) wrote:
Another possibility is to change the spelling of... 24:00 ...to... 23:59:60 ...which works with any version of zic issued 1988 or later. Let's hear it for leap seconds!
As the support for the 24:00 notation has been introduced 5 years ago I suggest that anyone with the 24:00-support problem is simply encouraged to update his zic to a >= 7.95 version.
My 2 cents,
Rodrigo Severo
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