Developer credits
Git commits in Moodle 3.5.x by KietLy
commit 26872a80067b7bb8c599fd5b5cd6286ddfc857a7 Author: KietLy <Kiet.LyChan@nashtechglobal.com> Date: Thu, 28 Dec 2017 14:31:11 +0800 Tag: v3.5.0-beta MDL-60078 User tours accessibility: Tab should go back into the pop-up