Author: Amaia Anabitarte
MDL-69089 core_contentbank: Empty content names are not allowed
http://git.moodle.org/gw?p=moodle.git;a=commit;h=545b24fa52fb0f69498bd3cd0c93ca4722ede6ce
http://github.com/moodle/moodle/commit/545b24fa52fb0f69498bd3cd0c93ca4722ede6ce
+ 3.9 en [emptynamenotallowed,core_contentbank]