Git commits in Moodle 3.8.4 by Leon Stringer

commit 3b81550b8e53251ccf276cbfa325afec513701e4
Author: Leon Stringer <leon.stringer@ntlworld.com>
Date:   Sun, 05 Jul 2020 22:58:35 +0800
Tag:    v3.8.4

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