Author: Sun Zhigang
MDL-33035 workshop: typo in strings
http://git.moodle.org/gw?p=moodle.git;a=commit;h=0f6113cba08fa46563764b88e5224869f75f78e0
http://github.com/moodle/moodle/commit/0f6113cba08fa46563764b88e5224869f75f78e0
+ 2.2 en [switchphase10info,mod_workshop]