Why not allow empty code blocks?

[Ian Kelly]

On Sun, Jul 31, 2016 at 1:51 AM, Marko Rauhamaa <marko at pacujo.net> wrote:
> It is quite astounding how Lisp is steadily being reinvented by the
> down-to-earth programming community. It was famously observed by Paul
> Graham in 2002 (<URL: http://www.paulgraham.com/icad.html>). The
> evolution has kept on going since then:
>
>  * Closures are everywhere (C++, C#, Java).
>
>  * XML is being replaced by JSON.
>
> Python, of course, is part of that evolution.

What does JSON have to do with LISP?