Git commits in Moodle 3.9.1 by Leon Stringer

commit 287e8f16e6f819790e97b375f60211e4c256deb4
Author: Leon Stringer <leon.stringer@ntlworld.com>
Date:   Sun, 05 Jul 2020 22:57:42 +0800
Tag:    v3.9.1

MDL-60494 mod_lti: Invalid </img>, example context