I spend most on my coding and writing time on Atom and as I write in both English and French I use two dictionaries with spell-check. Well, it actually took me a while to understand how to use two different locales on my Debian machine simply because I was lazy enough to not read the README on the Github repository of spell-check. Out of curiosity, I checked out what hunspell is (note that the project is hosted on Github) and then I checked the dictionaries currently installed on my device:
So, in order to use French dictionaries, I installed the following package:
Then I re-check the dictionaries installed:
I was then able to use then in spell-check
Everything works just fine now! Note that hunspell is also used by Firefox and Thunderbird 😏!