! is actually used as a regular letter with a phonetic value to write quite a few languages in Africa, usually representing a click sound. It's even in the nam

! is actually used as a regular letter with a phonetic value to write quite a few languages in Africa, usually representing a click sound. It's even in the name of some of them: https://en.m.wikipedia.org/wiki/%C7%83Kung_languages https://en.m.wikipedia.org/wiki/%C7%83Kung_languages