Index: branches/unlabeled/unlabeled-1.64.2/kernel/units/general/cat_event_handler.php
===================================================================
diff -u -N -r5610 -r5620
--- branches/unlabeled/unlabeled-1.64.2/kernel/units/general/cat_event_handler.php	(.../cat_event_handler.php)	(revision 5610)
+++ branches/unlabeled/unlabeled-1.64.2/kernel/units/general/cat_event_handler.php	(.../cat_event_handler.php)	(revision 5620)
@@ -77,6 +77,10 @@
 	 */
 	function OnPaste(&$event)
 	{
+		if ($this->Application->CheckPermission('SYSTEM_ACCESS.READONLY', 1)) {
+			return;
+		}
+		
 		$clipboard_data = $event->getEventParam('clipboard_data');
 		
 		if (!$clipboard_data['cut'] && !$clipboard_data['copy']) {