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Git commits in Moodle 3.4.6 by Dan Marsden
commit 2ac7cdf32afd898874fbf5a47188f36a6559ff74 Author: Dan Marsden <dan@danmarsden.com> Date: Tue, 06 Nov 2018 04:57:36 +0800 Tag: v3.4.6 MDL-63800 mod_assign: don't show grade if not set.