Developer credits
Git commits in Moodle 3.1.x by Donald Barrett
commit 3724d12ab49177be49e6b2e66ea3349c14cf1c12 Author: Donald Barrett <donald.barrett@learningworks.co.nz> Date: Wed, 16 Nov 2016 17:08:59 +0800 Tag: v3.1.4 MDL-56301 course: Use value for intro field if set in a mods function