diff -ru typo3_src-4.5.4/t3lib/class.t3lib_tstemplate.php typo3_src-4.5.4.new/t3lib/class.t3lib_tstemplate.php
--- typo3_src-4.5.4/t3lib/class.t3lib_tstemplate.php	2011-07-27 13:22:52.000000000 +0200
+++ typo3_src-4.5.4.new/t3lib/class.t3lib_tstemplate.php	2011-08-29 16:40:56.000000000 +0200
@@ -1121,15 +1121,15 @@
 						$middleC = 0;
 						$firstC = 0;
 
-						if ($main[0]) {
+						if (strlen(trim($main[0]))) {
 							$first = explode('||', $main[0]);
 							$firstC = count($first);
 						}
-						if ($main[1]) {
+						if (strlen(trim($main[1]))) {
 							$middle = explode('||', $main[1]);
 							$middleC = count($middle);
 						}
-						if ($main[2]) {
+						if (strlen(trim($main[2]))) {
 							$last = explode('||', $main[2]);
 							$lastC = count($last);
 							$value = $last[0];