https://en.wikipedia.org/wiki/Programming_language#Dialects,_flavors_and_implementations https://en.wikipedia.org/wiki/Programming_language#Dialects,... Plenty

https://en.wikipedia.org/wiki/Programming_language#Dialects,_flavors_and_implementations https://en.wikipedia.org/wiki/Programming_language#Dialects,... Plenty of well-known dialects are not subsets of said language (/compiled by its compiler).