Developer credits
Git commits in Moodle 2.4.7 by Andreas Grabs
commit 4ae00d74bc1fd6e48629c9f5fdb8640b26ef3420 Author: Andreas Grabs <moodle@grabs-edv.de> Date: Thu, 17 Oct 2013 04:10:27 +0800 Tag: v2.4.7 MDL-42210 mod_feedback - convert tabs to space