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Git commits in Moodle 3.1.18 by Dan Marsden
commit a6258d0934f707b1d033f50fb41ffbcf45bb2102 Author: Dan Marsden <dan@danmarsden.com> Date: Wed, 01 May 2019 09:23:15 +0800 Tag: v3.1.18 MDL-64708 cohort: Return url is not used anywhere in core.