Developer credits
Git commits in Moodle 3.6.x by Jason Platts
commit e52856bc9ae8dee97f897cdec1ae9e05618f5a35 Author: Jason Platts <j.platts@open.ac.uk> Date: Mon, 11 Jun 2018 22:09:42 +0800 Tag: v3.6.0-beta MDL-62520 user: User identity fields not searchable in Participants list