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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2018-05-04 12:26:25 -0400 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2018-05-04 12:26:39 -0400 |
| commit | 7a83323f2daaa0aa73e60b82ba48f651c6934bc5 (patch) | |
| tree | 3f546cbbde09073917825f036bdf71ebc9771510 /src/tutorial | |
| parent | d9b3bc55201a185e6a9fb37f703592efde69c6e2 (diff) | |
Sync our copy of the timezone library with IANA release tzcode2018e.
The non-cosmetic changes involve teaching the "zic" tzdata compiler about
negative DST. While I'm not currently intending that we start using
negative-DST data right away, it seems possible that somebody would try
to use our copy of zic with bleeding-edge IANA data. So we'd better be
out in front of this change code-wise, even though it doesn't matter for
the data file we're shipping.
Discussion: https://postgr.es/m/30996.1525445902@sss.pgh.pa.us
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