For anyone else who's also struggling to find that footnote, search for "when I mention UTF-16". It's a fake. I do wish they had used some symbol that can act

For anyone else who's also struggling to find that footnote, search for "when I mention UTF-16". It's a fake. I do wish they had used some symbol that can actually be pasted into the "Find" dialog, rather than being normalized into the number 1, which matches at least 75 (!) times.