Developer credits
Git commits in Moodle 3.6.x by Peter Spicer
commit 9eac8576498fd6c264ac92f1bf9f1b5b39e0b572 Author: Peter Spicer <peter.spicer@catalyst-eu.net> Date: Wed, 10 Oct 2018 17:29:15 +0800 Tag: v3.6.0-beta MDL-63451 core_message: Properly escape URLs for notification popup