Index: trunk/kernel/include/item.php
===================================================================
diff -u -r3162 -r3179
--- trunk/kernel/include/item.php	(.../item.php)	(revision 3162)
+++ trunk/kernel/include/item.php	(.../item.php)	(revision 3179)
@@ -1111,7 +1111,10 @@
 	
 	function StripDisallowed($string)
 	{
-		$not_allowed = Array(' ', '\\', '/', ':', '*', '?', '"', '<', '>', '|');
+		$not_allowed = Array(	' ', '\\', '/', ':', '*', '?', '"', '<', '>', '|',
+     							'~', '!', '@', '#', '$', '%', '^', '&', '(', ')', 
+     							'+', '=', '-', '{', '}', ']', '[', "'", ';', '.', ',');
+     							
      	$string = str_replace($not_allowed, '_', $string);
      	$string = preg_replace('/(_+)/', '_', $string);