First, a general introduction to the choices of human natural language within computer programming languages.
Since the beginning of time, programming languages supported the English language and only the English language, the English version of the alphabet, encoded as ascii characters [ok, not since the beginning of time but standard since consumer Internet support had solidified]. By ASCII I am referring to the lower 7-bit American character set. Even when foreign countries were using computers and began programming them, they would still use English programming languages, even...