[tz] Proposed reversions, for moving forward

Paul Eggert eggert at cs.ucla.edu
Fri Aug 8 21:58:21 UTC 2014

Lester Caine wrote:
> The whole point of regression tests is to establish why something changed and check that every change is more correct than the last.

Yes, absolutely.  I can't decipher that regression-test output either, 
but Derick said it was due to 2014f's time zone abbreviation changes; 
these affect past, current and future time stamps, and are independent 
of the changes that removed questionable old data.

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