The files test-* are used for testing the parser(s). test-cases are short cases that cover different facets of
parsing ingredient lists, a sort of unit-tests. test-samples-parsed are real-world examples that are parsed
correctly, while test-samples-with-issues are known to have issues with the strict parser.
These files are licensed under the same license as the software.
The files ingredient-samples-qm-* are contributed by Questionmark and
available under the terms of the Creative Commons License CC-BY-NC.
The files ingredient-samples-off-* are obtained from Open Food Facts.
Splitting per country is done with a command like the following (adapt for different countries):
tail -n +1 en.openfoodfacts.org.products.csv | \
cut -f 34,35 | grep '^Germany' | cut -f 2 | \
sort | uniq > ingredient-samples-off-de
This data is licensed under the Open Database License.