The Breton data for part-of-speech tagging is based on the Apertium Breton
dictionary under GNU General Public License with permission of its authors:

    Copyright (C) 2008--2010 Francis Tyers <ftyers@prompsit.com>
    Copyright (C) 2009--2010 Fulup Jakez <fulup.jakez@ofis-bzh.org>
    Copyright (C) 2009       Gwenvael Jekel <jequelg@yahoo.fr>
    Development supported by:
    * Prompsit Language Engineering, S. L.
    * Ofis ar Brezhoneg
    * Grup Transducens, Universitat d'Alacant

The Breton FSA spelling dictionary is based on the Breton Hunspell dictionary
"Difazier Hunspell an Drouizig" (0.13) licensed under the Lesser GNU Public
License (LGPL), available at:
https://extensions.libreoffice.org/extensions/an-drouizig-breton-spellchecker