I was going to say the same. And yes - it causes OCD in 90% of devs out there. But it also feels somewhat wrong for editors to match brackets to infer block hierarchy. What if blocks have some sane rule that we don't know yet (i.e other than bracketed blocks and indented blocks)? Perhaps treesitter is the one-stop solution for that problem.

Indeed. Things like di{ probably don't work...

> :)

That’s a mouth, not a paren :/ I won’t be able to sleep tonight :)) (that’s better

Many languages are designed with IDEs in mind and "dumb" text editors are not a concern.

Text editors need fairly complete parsers to match braces anyway. E.g. consider even something as simple as { "}" }. Or {"\"}. The former is reasonably unambiguous, but the latter requires knowing if the escape style of double quoted strings in the given language escapes the second '"' or not. Now try proc {"#{"}"}"} (valid Ruby) vs proc {"{\#{"}"}"} (invalid)