Fix full page ckeditor, makes pdf export to fail. see BT#13394

main/exercise/UniqueAnswerImage.php

@@ -192,7 +192,7 @@ class UniqueAnswerImage extends UniqueAnswer
             $answerNumber->freeze();
 
             $form->addElement('radio', 'correct', null, null, $i, 'class="checkbox"');
-            $form->addHtmlEditor('answer['.$i.']', null, null, true, $editorConfig);
+            $form->addHtmlEditor('answer['.$i.']', null, null, false, $editorConfig);
 
             $form->addRule('answer['.$i.']', get_lang('ThisFieldIsRequired'), 'required');
 

main/exercise/multiple_answer.class.php

@@ -131,10 +131,10 @@ class MultipleAnswer extends Question
             );
             $boxes_names[] = 'correct['.$i.']';
 
-            $form->addHtmlEditor("answer[$i]", null, null, true, $editorConfig);
+            $form->addHtmlEditor("answer[$i]", null, null, false, $editorConfig);
             $form->addRule('answer['.$i.']', get_lang('ThisFieldIsRequired'), 'required');
 
-            $form->addHtmlEditor("comment[$i]", null, null, true, $editorConfig);
+            $form->addHtmlEditor("comment[$i]", null, null, false, $editorConfig);
 
             $form->addElement('text', 'weighting['.$i.']', null, array('style' => "width: 60px;", 'value' => '0'));
             $form->addHtml('</tr>');

main/exercise/multiple_answer_true_false.class.php

@@ -141,7 +141,7 @@ class MultipleAnswerTrueFalse extends Question
                 "answer[$i]",
                 get_lang('ThisFieldIsRequired'),
                 true,
-                true,
+                false,
                 ['ToolbarSet' => 'TestProposedAnswer', 'Width' => '100%', 'Height' => '100']
             );
 

main/exercise/unique_answer.class.php

@@ -105,7 +105,8 @@ class UniqueAnswer extends Question
                 }
                 $question = Question::read($questionid);
                 $select_question[$questionid] = 'Q'.$key.' :'.cut(
-                    $question->selectTitle(), 20
+                    $question->selectTitle(),
+                    20
                 );
             }
         }
@@ -214,7 +215,7 @@ class UniqueAnswer extends Question
                 'class="checkbox"'
             );
 
-            $form->addHtmlEditor('answer['.$i.']', null, null, true, $editor_config);
+            $form->addHtmlEditor('answer['.$i.']', null, null, false, $editor_config);
 
             $form->addRule(
                 'answer['.$i.']',