Index: class.t3lib_div.php
===================================================================
--- class.t3lib_div.php	(revision 4809)
+++ class.t3lib_div.php	(working copy)
@@ -2052,7 +2052,7 @@
 				$tag_tmp = trim(substr($tag_tmp,1));		// Removes = chars.
 			} else {
 					// There are '' around the value. We look for the next ' ' or '>'
-				$reg = split('[[:space:]=]',$tag_tmp,2);
+				$reg = preg_split('/[[:space:]=]/',$tag_tmp,2);
 				$value[] = trim($reg[0]);
 				$tag_tmp = trim(substr($tag_tmp,strlen($reg[0]),1).$reg[1]);
 			}