uqa-pg-regex

The Rust wrapper, build script, tests and C shims of this crate, including shim/regex/regc_pg_locale.c, which is adapted from PostgreSQL, are distributed under the PostgreSQL License:

Portions Copyright (c) 2023-2026, Cognica, Inc.

Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group

Portions Copyright (c) 1994, The Regents of the University of California

Permission to use, copy, modify, and distribute this software and its documentation for any purpose, without fee, and without a written agreement is hereby granted, provided that the above copyright notice and this paragraph and the following two paragraphs appear in all copies.

IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE COPYRIGHT HOLDERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDERS HAVE NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

The PostgreSQL 18.4 sources under postgres/ are imported unchanged and keep their own notices: postgres/COPYRIGHT states the PostgreSQL License of the PostgreSQL Global Development Group and the University of California, and postgres/src/backend/regex/COPYRIGHT states Henry Spencer's license for the regular expression package and the Tcl license for portions of regc_locale.c. UPSTREAM.md records the origin of every imported file and the nature of every local adaptation.
