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Debian recently decided to split out a bunch of "obsolete" timezone names into a new tzdata-legacy package, which isn't installed by default. One of these zone names is Pacific/Enderbury, and that breaks our regression tests (on --with-system-tzdata builds) because our default timezone abbreviations list defines PHOT as Pacific/Enderbury. Pacific/Enderbury got renamed to Pacific/Kanton in tzdata 2021b, so that in distros that still have this entry it's just a symlink to Pacific/Kanton anyway. So one answer would be to redefine PHOT as Pacific/Kanton. However, then things would fail if the installed tzdata predates 2021b, which is recent enough that that seems like a real problem. Instead, let's just remove PHOT from the default list. That seems likely to affect nobody in the real world, because (a) it was an abbreviation that the tzdb crew made up in the first place, with no evidence of real-world usage, and (b) the total human population of the Phoenix Islands is less than two dozen persons, per Wikipedia. If anyone does use this zone abbreviation they can easily put it back via a custom abbreviations file. We'll keep PHOT in the Pacific.txt reference file, but change it to Pacific/Kanton there, as that definition seems more likely to be useful to future readers of that file. Per report from Victor Wagner. Back-patch to all supported branches. Discussion: https://postgr.es/m/20231027152049.4b5c8044@wagner.wagner.home
PostgreSQL Database Management System ===================================== This directory contains the source code distribution of the PostgreSQL database management system. PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings. PostgreSQL has many language interfaces, many of which are listed here: https://www.postgresql.org/download/ See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.