Just found it here
<https://stackoverflow.com/questions/7431167/escaping-org-mode-example-block-inside-of-an-example-block/7462884#7462884>
.

On Tue, Apr 16, 2019 at 12:08 AM Lawrence Bottorff <borgauf@gmail.com>
wrote:

> I'm doing this:
>
> #+begin_example
> #+begin_src emacs-lisp :var table=sandbox :exports both
>   (message "%S" table)
> #+end_src
> #+end_example
>
> to force html export into displaying the entire block, including the code
> block wrapper. Is there a more elegant way, perhaps in the #+begin line to
> tell export to include even the wrapper?
>
> LB
>