Author: Tim Hunt
qtype_multichoice MDL-24937 multichoice questions were getting marked as answered even when they weren't.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=f2ca88b07fb039b0a965f21877fbfa622895eb15
http://github.com/moodle/moodle/commit/f2ca88b07fb039b0a965f21877fbfa622895eb15
+ 2.0 en [closed,mod_quiz]