Index: mod/questionnaire/locallib.php
===================================================================
RCS file: /cvsroot/moodle/contrib/plugins/mod/questionnaire/locallib.php,v
retrieving revision 1.49.2.61
diff -u -r1.49.2.61 locallib.php
--- mod/questionnaire/locallib.php	18 Aug 2009 13:13:21 -0000	1.49.2.61
+++ mod/questionnaire/locallib.php	1 Oct 2009 16:25:46 -0000
@@ -1449,17 +1449,21 @@
 
         // use plaintext version for altbody
         $altbody =  "\n$body_plaintext\n";
+        
+        $mailaddresses = preg_split('/,|;/', $email);
+        foreach ($mailaddresses as $email) {
+            $userto = new Object();
+            $userto->email = $email;
+            $userto->mailformat = 1;
+            $userfrom = $CFG->noreplyaddress;
+            if (email_to_user($userto, $userfrom, $subject, $altbody, $body_html)) {
+                $return = true;
+            } else {
+                $return = false;
+            }
+        }       
+        return $return;
 
-        $userto = new Object();
-        $userto->email = $email;
-        $userto->mailformat = 1;
-        $userfrom = $CFG->noreplyaddress;
-
-        if (email_to_user($userto, $userfrom, $subject, $altbody, $body_html)) {
-            return true;
-        } else {
-            return false;
-        }
     }
 
     function response_insert($sid, $section, $rid, $userid, &$formdata) {