{ pkgs, ... }: { i18n.supportedLocales = [ "en_US.UTF-8/UTF-8" "nl_NL.UTF-8/UTF-8" ]; i18n.defaultLocale = "en_US.UTF-8"; i18n.extraLocaleSettings = { LC_ADDRESS = "en_US.UTF-8"; LC_IDENTIFICATION = "en_US.UTF-8"; LC_MEASUREMENT = "en_US.UTF-8"; LC_MONETARY = "en_US.UTF-8"; LC_NAME = "en_US.UTF-8"; LC_NUMERIC = "en_US.UTF-8"; LC_PAPER = "en_US.UTF-8"; LC_TELEPHONE = "en_US.UTF-8"; LC_TIME = "en_US.UTF-8"; }; environment.systemPackages = with pkgs; [ nuspell hyphen hunspell hunspellDicts.en_US hunspellDicts.nl_NL ]; }