[a57721]

I chuckled when it said that curly brackets are bad because they don't look nice when rotated by 90 degrees.

> This is just like debating why call a builtin type is “int” instead of “Int”.

It's even a bit worse because any text editor knows out of the box about balancing brackets (e.g. Emacs in the text mode) and doesn't know about the "end" syntax.