Fix exercises form buttons

main/exercice/multiple_answer_true_false.class.php

@@ -229,7 +229,7 @@ class MultipleAnswerTrueFalse extends Question
                 // setting the save button here and not in the question class.php
                 $buttonGroup[] = $form->addButtonDelete(get_lang('LessAnswer'), 'lessAnswers', true);
                 $buttonGroup[] = $form->addButtonCreate(get_lang('PlusAnswer'), 'moreAnswers', true);
-                $buttonGroup[] = $form->addButtonSave($text, 'SubmitQuestion', true);
+                $buttonGroup[] = $form->addButtonSave($text, 'submitQuestion', true);
             }
 
             $form->addGroup($buttonGroup);

main/exercice/unique_answer_no_option.class.php

@@ -268,9 +268,9 @@ class UniqueAnswerNoOption extends Question
                 $buttonGroup[] = $form->createElement('submit', 'submitQuestion', $text, 'class="' . $class . '"');
             } else {
                 //setting the save button here and not in the question class.php
-                $buttonGroup[] = $form->addButtonDelete('lessAnswers', get_lang('LessAnswer'), true);
-                $buttonGroup[] = $form->addButtonCreate( 'moreAnswers', get_lang('PlusAnswer'), true);
-                $buttonGroup[] = $form->addButtonSave('submitQuestion', $text, true);
+                $buttonGroup[] = $form->addButtonDelete(get_lang('LessAnswer'), 'lessAnswers', true);
+                $buttonGroup[] = $form->addButtonCreate(get_lang('PlusAnswer'), 'moreAnswers', true);
+                $buttonGroup[] = $form->addButtonSave($text, 'submitQuestion', true);
             }
 
             $form->addGroup($buttonGroup);