Download latest stable, please. This issue has been fixed. Fix is here:
http://cvs.moodle.org/moodle/enrol/authorize/enrol_form.php?r1=1.16&r2=1.16.2.1&pathrev=MOODLE_19_STABLE&sortby=date
Enrolment
Authorize.net Canadian Credit Cards
Aquest fil de debat ha finalitzat, així que no admet respostes.