bug#44554: 27.1; Feature request: SRFI-62 style comments for Emacs Lisp.

[Francesco Potortì]

>```
>#;(defvar demo-variable nil
>  "This is a demo-variable declared to illustrate SRFI-62.")
>```
>
>The special reader syntax "#;" means "please, ignore the next valid
>s-expression completely".

I have always dreamt of this :)