> except slightly modified to use ranges because the naïve method of taking derivatives isn't great when you have to take 2^(2^16) of them when your alphabet is

> except slightly modified to use ranges because the naïve method of taking derivatives isn't great when you have to take 2^(2^16) of them when your alphabet is UTF-16 characters. The paper we read described how instead of deriving by a single character, one could also derive by sets of characters. I then improvised the range approach by myself - it was very cool being able to handle unicode!