===================================================================
RCS file: /cvsroot/moodle/moodle/question/type/match/edit_match_form.php,v
retrieving revision 1.5.2.1
diff -u -r1.5.2.1 edit_match_form.php
--- edit_match_form.php	7 Mar 2007 19:24:10 -0000	1.5.2.1
+++ edit_match_form.php	10 Oct 2007 17:30:38 -0000
@@ -73,10 +73,10 @@
         foreach ($questions as $key => $question){
             $trimmedquestion = trim($question);
             $trimmedanswer = trim($answers[$key]);
-            if (!empty($trimmedanswer) && !empty($trimmedquestion)){
+            if (isset($trimmedanswer) && isset($trimmedquestion)){
                 $questioncount++;
             }
-            if (!empty($trimmedquestion) && empty($trimmedanswer)){
+            if (isset($trimmedquestion) && !isset($trimmedanswer)){
                 $errors['subanswers['.$key.']'] = get_string('nomatchinganswerforq', 'qtype_match', $trimmedquestion);
             }
         }