Minor - format code

main/exercise/exercise.php

@@ -27,7 +27,7 @@ $htmlHeadXtra[] = api_get_css_asset('qtip2/jquery.qtip.min.css');
 api_protect_course_script(true);
 require_once 'hotpotatoes.lib.php';
 
-/* 	Constants and variables */
+/*  Constants and variables */
 $is_allowedToEdit = api_is_allowed_to_edit(null, true);
 $is_tutor = api_is_allowed_to_edit(true);
 $is_tutor_course = api_is_course_tutor();

main/exercise/question_list_admin.inc.php

@@ -142,7 +142,7 @@ $ajax_url = api_get_path(WEB_AJAX_PATH)."exercise.ajax.php?".api_get_cidreq()."&
 <?php
 
 //we filter the type of questions we can add
-Question:: display_type_menu($objExercise);
+Question::display_type_menu($objExercise);
 // Re sets the question list
 $objExercise->setQuestionList();
 

main/inc/ajax/document.ajax.php

@@ -110,7 +110,6 @@ switch ($action) {
                         api_htmlentities($result['url']),
                         ['target'=>'_blank']
                     );
-
                     $json['url'] = $result['url'];
                     $json['size'] = format_file_size($file['size']);
                     $json['type'] = api_htmlentities($file['type']);