Developer credits
Git commits in Moodle 2.3.5 by Rex Lorenzo
commit 99a2923de28969ca5fb985897a5d14d5a8d6b091 Author: Rex Lorenzo <rex@oid.ucla.edu> Date: Thu, 17 Jan 2013 05:50:57 +0800 Tag: v2.3.5 MDL-35175 - Lesson shows no attempts if associated with a grouping