question bank: MDL-18822 Highlight the last question you edited in the list

Helpful if you need to edit a lot of questions - saves you from losing your place.
Idea and patch by Oleg Sychev.

question/editlib.php

@@ -162,6 +162,7 @@ function question_list($contexts, $pageurl, $categoryandcontext, $cm = null,
         $showquestiontext = false, $addcontexts = array()) {
     global $USER, $CFG, $THEME, $COURSE;
 
+    $lastchangedid=optional_param('lastchanged',0,PARAM_INT);
     list($categoryid, $contextid)=  explode(',', $categoryandcontext);
 
     $qtypemenu = question_type_menu();
@@ -298,6 +299,9 @@ function question_list($contexts, $pageurl, $categoryandcontext, $cm = null,
         if ($showquestiontext) {
             $nameclass .= ' header';
         }
+        if ($question->id==$lastchangedid) {
+            $nameclass='highlight';
+        }
         if ($nameclass) {
             $nameclass = 'class="' . $nameclass . '"';
         }