Git commits in Moodle 3.11.3 by Lars Bonczek

commit 637ab9420c96ae05743adb20b869b7da026ecfb2
Author: Lars Bonczek <lars.bonczek@gmail.com>
Date:   Wed, 04 Aug 2021 00:19:32 +0800
Tag:    v3.11.3

MDL-72271 mod_quiz: fix secure_window close function