download as text (cvs) format not working under this condition: questionnaire set as "groups separate" AND no groups defined in current course.
see http://moodle.org/mod/forum/discuss.php?d=124957
fix : removed the (useless) condition in report.php line 495:
if ($groupmode == 1 && $groupscount === 0 && !$user) {
Joseph
PS.- Will probably have to be fixed in 2.0 (when I can get moodle 2.0 to work)