Developer credits
Git commits in Moodle 2.7.4 by Paul Holden
commit 23f202a2b89700f3a0b26c6a751aab2e63835a3a Author: Paul Holden <pholden@greenhead.ac.uk> Date: Thu, 13 Nov 2014 16:20:16 +0800 Tag: v2.7.4 MDL-44657 forms: Form identifiers should only contain basic characters