Developer credits
Git commits in Moodle 3.3.1 by Stephen Vickers
commit 8a0ed98b810bd03fda3f452259487384d77ebe14 Author: Stephen Vickers <github@spvickers.freeserve.co.uk> Date: Tue, 02 May 2017 04:15:37 +0800 Tag: v3.3.1 MDL-58770 mod_lti: Strip HTML from parameters