Git commits in Moodle 3.6.7 by Michael Hawkins

commit 1137b7d072e42ebb9d7dba1ea2d63f5304bd0298
Author: Michael Hawkins <michaelh@moodle.com>
Date:   Tue, 29 Oct 2019 16:29:46 +0800
Tag:    v3.6.7

MDL-66161 output: Escaping fatal error message and URL strings