Git commits in Moodle 3.8.6 by Helen Foster

commit cdfc0502fa48cea8952c109ee1719dd7b34298db
Author: Helen Foster <helen@moodle.org>
Date:   Mon, 26 Oct 2020 18:42:10 +0800
Tag:    v3.8.6

MDL-69998 lang: Import fixed English strings (en_fix)