UTF-8 Graphics in iTerm

If you see strange symbols in iTerm when using vim, especially with the NERD Tree and Undo Tree, or in tig, a super fast and flexible curses-based git interface, or simply when typing non ASCII characters in iTerm, you might want to add this to your shell config file (e.g., ~/.bashrc, ~/.zshrc, …):

export LC_ALL=en_US.UTF-8

Do not forget to restart your shell!
That’s it,
iss