[irdc]

It’s just that nesting them arbitrarily is now allowed, right? That shouldn’t matter much for a mere syntax highlighter then. And one could even argue that code that relies on this too much is not really for human consumption.

[pansa2]

Also, you can now use the same quote character that encloses an f-string within the {} expressions. That could make them harder to tokenize, because it makes it harder to recognise the end of the string.