[tz] zdump bug in Asia/Singapore

[Arthur David Olson]

We may save some grief down the line by specifying in zdump.8 that cutoffs
are starts of UT years (as distinct from starts of local time years).

We may spend some grief making cutoffs at starts of local time years.-)

    @dashdashado


On Sat, Sep 6, 2014 at 8:24 PM, Paul Eggert <eggert at cs.ucla.edu> wrote:

> Arthur David Olson wrote:
>
>> The attached change (which also appears in tab-mangled form below) dealt
>> with the problem on the system I'm using.
>>
>
> That's almost the same as the patch I wrote independently.  We must be
> long-lost twins.  The only difference is that my patch avoids time_t
> overflow in some rare cases when absolute_max_time - SECSPERDAY / 2 <
> cuthitime.
>
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