gh-80856: doc: reveal doctest directives (GH-92318)

* Doc: Reveal doctest directives.

* Fix whitespace.

Co-authored-by: Julien Palard <julien@palard.fr>
Co-authored-by: Ezio Melotti <ezio.melotti@gmail.com>
(cherry picked from commit 7b024e3a3f77027f747da7580ed0a3ed2dec276a)

Co-authored-by: Davide Rizzo <sorcio@gmail.com>

Miss Islington (bot) committed 4y ago

d6b83a31409640659977ac9b1c0847292765bafe

Parent: 8037fb7

Committed by GitHub <noreply@github.com> on 5/8/2022, 4:33:11 PM