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Git commits in Moodle 3.0.8 by Tony Butler
commit 7d6c55bfc16002ec32693e2cd58746e796cc4e4c Author: Tony Butler <tonyjbutler@gmail.com> Date: Sat, 29 Oct 2016 00:19:09 +0800 Tag: v3.0.8 MDL-56948 mod_assign: Don't call get_grade_item() unless we have one