Developer credits
Git commits in Moodle 3.1.9 by David Monllao
commit 0b4293759988b35210501ebdff78d0818fa6a0cc Author: David Monllao <davidm@moodle.com> Date: Fri, 27 Oct 2017 18:48:23 +0800 Tag: v3.1.9 weekly release 3.1.8+
commit 0b4293759988b35210501ebdff78d0818fa6a0cc Author: David Monllao <davidm@moodle.com> Date: Fri, 27 Oct 2017 18:48:23 +0800 Tag: v3.1.9 weekly release 3.1.8+