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Git commits in Moodle 3.1.5 by Dani Palou
commit 8163446fee349e975980590402aaf7e59c47da18 Author: Dani Palou <dani@moodle.com> Date: Tue, 14 Feb 2017 17:28:33 +0800 Tag: v3.1.5 MDL-57962 forum: Allow creating new discussions with groupid -1