If you are using bash, then edit kate ~/.bash_profile.
OR
If you are using zsh, then edit kate ~/.zshrc to add:
export LANG=C.UTF-8
export LC_ALL=C.UTF-8
If you are using bash, then edit kate ~/.bash_profile.
OR
If you are using zsh, then edit kate ~/.zshrc to add:
export LANG=C.UTF-8
export LC_ALL=C.UTF-8