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Git commits in Moodle 2.8.x by Clement Smith
commit 454882a4fa3e0000a4ed0b2edc7361242481aa25 Author: Clement Smith <cdsmith@umn.edu> Date: Thu, 30 Jul 2015 22:00:26 +0800 Tag: v2.8.8 MDL-50963 lang/en/grades.php: Improve bad grade error message
commit 3c23486ad2b5dac4ff4362d8349847f09abfd68e Author: Clement Smith <cdsmith@umn.edu> Date: Thu, 30 Jul 2015 20:44:42 +0800 Tag: v2.8.8 MDL-50957 grade/report/user: Fix division by zero