Developer credits
Git commits in Moodle 2.9.3 by Hugh Davenport
commit 48d8989f13a6320c54b05f7d3ea552356cf85ed6 Author: Hugh Davenport <hugh@catalyst.net.nz> Date: Thu, 24 Sep 2015 08:41:04 +0800 Tag: v2.9.3 MDL-49940 mod_survey: Escape user comments