Laurent Pinchart [off-list ref] writes:

quoted

The question still stands: is there a way to reliably put national
unicode characters into:
- commit messages for patches submitted via email,

This shouldn't be too much of a problem, as long as you MUA and MTA
don't mess up encoding.

Maybe it's better now. I had mixed results in the past, but maybe it was
10+ years ago. Then I stopped using non-ASCII as they weren't very
essential.
Apparently there was no such problems with drivers/net, at least from
the time I started using non-ASCII characters.
-- 
Krzysztof Hałasa

Sieć Badawcza Łukasiewicz
Przemysłowy Instytut Automatyki i Pomiarów PIAP
Al. Jerozolimskie 202, 02-486 Warszawa