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Git commits in Moodle 3.5.9 by Paul Holden
commit 7f624852e4fda8d416c4baaf9aba10d75f1d3ae1 Author: Paul Holden <paulh@moodle.com> Date: Wed, 24 Jul 2019 18:46:31 +0800 Tag: v3.5.9 MDL-66228 mod_lesson: ensure return URL parameters are always local.