diff -ru typo3_src-4.1.2/typo3/sysext/cms/layout/class.tx_cms_layout.php typo3_src-4.1.2_patched/typo3/sysext/cms/layout/class.tx_cms_layout.php
--- typo3_src-4.1.2/typo3/sysext/cms/layout/class.tx_cms_layout.php	2007-07-16 03:31:28.000000000 +0400
+++ typo3_src-4.1.2_patched/typo3/sysext/cms/layout/class.tx_cms_layout.php	2008-10-07 17:43:48.000000000 +0400
@@ -1466,9 +1466,10 @@
 	function tt_content_drawColHeader($colName,$editParams,$newParams)	{
 
 			// Create header row:
+		$colName = htmlspecialchars(t3lib_cs::conv_case($GLOBALS['TYPO3_CONF_VARS']['BE']['forceCharset']?$GLOBALS['TYPO3_CONF_VARS']['BE']['forceCharset']:'iso-8859-1',$colName,'toUpper'));
 		$out = '
 				<tr>
-					<td class="bgColor2" nowrap="nowrap"><img src="clear.gif" width="1" height="2" alt="" /><br /><div align="center"><b>'.htmlspecialchars(strtoupper($colName)).'</b></div><img src="clear.gif" width="1" height="2" alt="" /></td>
+					<td class="bgColor2" nowrap="nowrap"><img src="clear.gif" width="1" height="2" alt="" /><br /><div align="center"><b>'.$colName.'</b></div><img src="clear.gif" width="1" height="2" alt="" /></td>
 				</tr>';
 
 			// Create command links: