Developer credits
Git commits in Moodle 3.9.x by Andrew Zito
commit 1e67849c1f0d1ba7a56df19167b106a43686811f Author: Andrew Zito <zitoa@lafayette.edu> Date: Tue, 12 Feb 2019 03:48:14 +0800 Tag: v3.9.0-beta MDL-63316 participants: lastname sort for participants table