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Git commits in Moodle 3.0.6 by Henning Bostelmann
commit dbf9bf0dab56674dd333aad0169e9050fe3d13d1 Author: Henning Bostelmann <henning.bostelmann@york.ac.uk> Date: Fri, 19 Aug 2016 00:01:12 +0800 Tag: v3.0.6 MDL-55627 filter_mathjaxloader: use correct string concatenation op