[tz] isstd and isgmt effect

Paul Eggert eggert at cs.ucla.edu
Sun Sep 27 04:48:39 UTC 2015

Jason Johnson wrote:
> I'm writing some software that deals with dates and I parse Olson files to
> get time zone information.  In the tzfile man page, both entries say that
> they are used for handling POSIX-style environmental variables?
> Does that mean that I can ignore those values and assume the transition
> times are just UAT?

Sorry, I don't understand your question.  For starters, I don't know what "UAT" 
is.  Perhaps you could clarify by giving a specific example.

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