Author: adrian@moodle.com
MDL-20627 user - Fixed viewing permission of email when sending group messages.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=8f83cfbe914b501d8d419ba10f0063c0f0a6ee5f
http://github.com/moodle/moodle/commit/8f83cfbe914b501d8d419ba10f0063c0f0a6ee5f
+ 1.9 en [emaildisplayhidden,moodle]