Stemmer data licensing

The software source code in this repository is licensed separately under
the BSD 3-Clause License.

Stemmer dictionary and morphology data files are not covered by
the BSD 3-Clause License unless explicitly stated otherwise.

This repository contains adapted data derived from the UniMorph project:
https://unimorph.github.io/

Only stemmer data derived from sources that permit commercial use are included
in the main distribution of this repository.

Accepted upstream licenses for distributed stemmer data in this repository:
- CC BY-SA 3.0
- CC BY-SA 4.0
- CC BY 4.0

Sources under non-commercial licenses, including CC BY-NC-SA 4.0, are excluded
from the main distribution.

Modifications in this repository may include cleaning, normalization,
deduplication, filtering, conversion, and reformatting.

Copyright (c) 2026 Leo Galambos for the modifications, to the extent permitted
by the applicable upstream license terms.

Per-file licensing is stated in the header of each generated stemmer data file.