Developer credits
Git commits in Moodle 3.4.1 by João Umberto Ciocca de Almeida
commit 969010296da70862d10492d0866ecba05d52db04 Author: João Umberto Ciocca de Almeida <joaociocca@users.noreply.github.com> Date: Thu, 09 Nov 2017 04:36:03 +0800 Tag: v3.4.1 MDL-60654 calendar: Clean up lines 140-154