[3.13] gh-118911: Trailing whitespace in a block shouldn't prevent the user from terminating the code block (GH-119355) (#119404)

(cherry picked from commit 5091c4400c9ea2a2d1e4d89a28c9d0de2651fa6d)

Co-authored-by: Aya Elsayed <ayah.ehab11@gmail.com>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>

Lysandros Nikolaou committed 2y ago

9fa1b4fc466e9857210fd6e87f1cbf0c234886ee

Parent: dbff1f1

Committed by GitHub <noreply@github.com> on 5/23/2024, 4:12:26 AM