Caravel Track for WooCommerce - third-party notices
====================================================

Caravel Track for WooCommerce is distributed under the GNU General Public License,
version 2 or (at your option) any later version (see LICENSE.txt). It includes data
and code derived from the projects below, used under their own licences. The full
licence texts are in the licenses/ folder.


1. tracking_number_data
-----------------------
Source:   https://github.com/jkeen/tracking_number_data
          (commit 03af203a4eb34981fa79b9670b20ab7945a96f2d)
Licence:  MIT - licenses/MIT-tracking_number_data.txt
          Copyright (c) 2017 Jeff Keen
Used in:  data/carriers.php and data/detection.php (tracking number patterns,
          check digit rules and the list of postal operators by S10 country code).
Changes:  converted to PHP arrays and merged with the other sources by the generator
          bin/build-carriers.py (kept in the plugin's source repository).


2. Universal Parcel Scraper (core data and check digit algorithms only)
-----------------------------------------------------------------------
Source:   https://github.com/plhery/universal-parcel-scraper (commit b91fd65)
Licence:  Apache License 2.0 - licenses/Apache-2.0.txt
NOTICE:   licenses/NOTICE-universal-parcel-scraper.txt (reproduced as required by
          section 4(d) of the Apache License)
Used in:  data/carriers.php and data/detection.php (carrier names, aliases,
          countries, tracking page addresses, detection patterns) and
          includes/class-checksums.php (check digit algorithms).
Changes:  carrier catalogue converted to PHP arrays and merged with the other
          sources; aliases without a clear licence removed; check digit
          algorithms rewritten in PHP in a single class with their own
          normalisation. Nothing from the project's optional parts under other
          licences (its "trawl" folder, place gazetteers or CAPTCHA models) is
          included, and no code that contacts carrier websites is included.


3. Caravel Suite
----------------
The remaining carrier entries, the https check of postal operator tracking pages and
all other code are original work of Caravel Suite, under the plugin's licence.


Tracking links open the carrier's own website in the customer's browser. Carrier
names and website addresses are used only to identify the carrier; they belong to
their respective owners.
