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Git commits in Moodle 2.7.15 by Marina Glancy
commit 80c861c1fea15b0666ddcc0c1f2b4f42e21b49bf Author: Marina Glancy <marina@moodle.com> Date: Mon, 04 Jul 2016 10:32:20 +0800 Tag: v2.7.15 MDL-55069 core: escape special characters in email headers