Author: Daniel Ziegenberg
MDL-69078 questions: check for UTF-8 encoding of the import file
Signed-off-by: Daniel Ziegenberg <daniel@ziegenberg.at>
http://git.moodle.org/gw?p=moodle.git;a=commit;h=8b7d96ca68b37bd2bdaad26bac0473bb35e3043f
http://github.com/moodle/moodle/commit/8b7d96ca68b37bd2bdaad26bac0473bb35e3043f
+ 3.11 en [importwrongfileencoding,core_question]