Developer credits
Git commits in Moodle 3.1.x by Yuriy Osychenko
commit 24ec5de7096938990e787555c007c6f08b9f78f0 Author: Yuriy Osychenko <yuriy.osychenko@gmail.com> Date: Mon, 17 Oct 2016 22:58:45 +0800 Tag: v3.1.3 MDL-53098 lib: Mark form as submitted in confirmation dialog.