Author: Tim Hunt
MDL-49368 qtypes match & multichice: cope with editing after attempt
Teachers should not radically edit a question after it has been
attempted. However, if they do, we should handle it gracefully, rather
than triggering PHP errors.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=6f1b265a2b6fc8a6ca856d67864dd9f5ee844120
http://github.com/moodle/moodle/commit/6f1b265a2b6fc8a6ca856d67864dd9f5ee844120
+ 2.8 en [deletedchoice,qtype_match]
+ 2.8 en [deletedsubquestion,qtype_match]
+ 2.8 en [deletedchoice,qtype_multichoice]