And UTF-16 random-access strings (like in Java and many other things designed in the 90s) make the problem even worse, because with UTF-8 you will notice the bu

And UTF-16 random-access strings (like in Java and many other things designed in the 90s) make the problem even worse, because with UTF-8 you will notice the bugs as soon as the first non-English-speaker uses your system, but with UTF-16 the affected languages are a lot more obscure.