Developer credits
Git commits in Moodle 2.5.6 by Jenny Gray
commit a843ac0de29a57234bc5fbe40631091db403c6c0 Author: Jenny Gray <j.m.gray@open.ac.uk> Date: Tue, 01 Apr 2014 16:34:06 +0800 Tag: v2.5.6 MDL-44021 mod_glossary - fixed search multiple keywords sql duplicate parameter error