Developer credits
Git commits in Moodle 3.4.2 by KietLy
commit 93482c3a53af7361c1c46abe4f4936ccea899061 Author: KietLy <Kiet.LyChan@nashtechglobal.com> Date: Thu, 28 Dec 2017 14:23:47 +0800 Tag: v3.4.2 MDL-60078 User tours accessibility: Tab should go back into the pop-up