Author: Tim Hunt
MDL-72901 question: add missing {$a} in string attemptfinishedsubmitting
http://git.moodle.org/gw?p=moodle.git;a=commit;h=0260a426c8b93e7e96aea21b76c83325f2ca1e8e
http://github.com/moodle/moodle/commit/0260a426c8b93e7e96aea21b76c83325f2ca1e8e
+ 3.10 en [attemptfinishedsubmitting,core_question]