Developer credits
Git commits in Moodle 3.5.2 by John Beedell
commit 05403f49897b9f7a15758eb3ac504e71fe8e5665 Author: John Beedell <jb23347@open.ac.uk> Date: Mon, 20 Aug 2018 22:14:37 +0800 Tag: v3.5.2 MDL-63165 Question: xml import of question categories