Hello Andras,
We updated the breton Hunspell spell checker.
Can you please update it in the LibO package ?
Here is the package for Firefox
https://addons.mozilla.org/fr/firefox/addon/difazier-an-drouizig/ [1]
for LibreOffice
http://extensions.libreoffice.org/extension-center/an-drouizig-breton-spellchecker/releases/0.12
[2]
Or without package
http://www.drouizig.org/images/stories/difazier/hunspell/pakadaou/difazier-an-drouizig-0-12.zip
[3]
Thanks,
Best regards