shebang question

[Helmut Jarausch <jarausch@xxxxxxxxxxxxxxxxxxx>]

Hi,

recently, I've come across a (Lisp) script starting with

#|
exec sbcl --noinform --load $0 --quit --end-toplevel-options "$@"
|#

;; .... Lisp script goes here


Would anybody please show me  some documentation where this form
of 'shebang' is explained?

Many thanks,
Helmut

(It's hard to search the web for special characters like #|)