It was also popular for a short while to use macros to redefine operators using other natural languages. For instance in Finnish one could have had
#define IKISILMUKKA for(;;)
Of course, very quickly people realised that also programmers and not only programs should be portable… In any case, many of our Anglo-American friends often forget that the early exposure to programming concepts is different if the programming languages bear some similarities to one’s native tongue.