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Git commits in Moodle 3.5.3 by Peter Spicer
commit 7331c8af569e1430bad50fc808165bf2cfbc999a Author: Peter Spicer <peter.spicer@catalyst-eu.net> Date: Wed, 10 Oct 2018 17:32:43 +0800 Tag: v3.5.3 MDL-63451 core_message: Properly escape URLs for notification popup