Git commits in Moodle 3.8.1 by Helen Foster

commit 13edb4f9f9a5b9341ae29c60101e345881c02a8b
Author: Helen Foster <helen@moodle.org>
Date:   Wed, 18 Dec 2019 16:09:37 +0800
Tag:    v3.8.1

MDL-67527 lang: Import fixed English strings (en_fix)