Index: t3lib/class.t3lib_extmgm.php
===================================================================
--- t3lib/class.t3lib_extmgm.php	(revision 4488)
+++ t3lib/class.t3lib_extmgm.php	(working copy)
@@ -289,7 +289,7 @@
 			if (is_array($types)) {
 					// Iterate through all types and search for the field that defines the palette to be extended:
 				foreach (array_keys($types) as $type) {
-					$fields = self::getFieldsOfFieldList($types[$type]['showitem']);
+					$fields = self::getFieldsFromFieldList($types[$type]['showitem']);
 					if (isset($fields[$field])) {
 							// If the field already has a palette, extend it:
 						if ($fields[$field]['details']['palette']) {
@@ -368,7 +368,7 @@
 			// Insert data before or after insertion points:
 		} else {
 			$positions = t3lib_div::trimExplode(',', $insertionPosition, true);
-			$fields = self::getFieldsOfFieldList($list);
+			$fields = self::getFieldsFromFieldList($list);
 			$isInserted = false;
 				// Iterate through all fields an check whether it's possible to inserte there:
 			foreach ($fields as $field => &$fieldDetails) {
@@ -447,7 +447,7 @@
 	 * @see		executePositionedStringInsertion
 	 * @param	string		$field: The name of the field/item
 	 * @param	array		$fieldDetails: Additional details of the field like e.g. palette information
-	 * 						(this array gets created by the function getFieldsOfFieldList())
+	 * 						(this array gets created by the function getFieldsFromFieldList())
 	 * @return	array		The needled to be used for inserting content before or after existing fields/items
 	 */
 	protected static function getInsertionNeedles($field, array $fieldDetails) {
@@ -473,21 +473,32 @@
 	 * 						(this mostly reflects the data in $TCA[<table>]['types'][<type>]['showitem'])
 	 * @return	array		An array with the names of the fields as keys and additional information
 	 */
-	protected static function getFieldsOfFieldList($fieldList) {
+	protected static function getFieldsFromFieldList($fieldList) {
 		$fields = array();
 		$fieldParts = t3lib_div::trimExplode(',', $fieldList, true);
 
 		foreach ($fieldParts as $fieldPart) {
 			$fieldDetails = t3lib_div::trimExplode(';', $fieldPart, false, 5);
-			if (!isset($fields[$fieldDetails[0]])) {
+			if ($fieldDetails[0] != '--div--' && !isset($fields[$fieldDetails[0]])) {
 				$fields[$fieldDetails[0]] = array(
 					'rawData' => $fieldPart,
 					'details' => array(
-						'field' => $fieldDetails[0],
-						'label' => $fieldDetails[1],
+						'field'   => $fieldDetails[0],
+						'label'   => $fieldDetails[1],
 						'palette' => $fieldDetails[2],
 						'special' => $fieldDetails[3],
-						'styles' => $fieldDetails[4],
+						'styles'  => $fieldDetails[4],
+					),
+				);
+			} elseif ($fieldDetails[0] == '--div--') {
+				$fields[$fieldDetails[0] . ';' . $fieldDetails[1]] = array(
+					'rawData' => $fieldPart,
+					'details' => array(
+						'field'   => $fieldDetails[0],
+						'label'   => $fieldDetails[1],
+						'palette' => '',
+						'special' => '',
+						'styles'  => ''
 					),
 				);
 			}
@@ -497,9 +508,9 @@
 	}
 
 	/**
-	 * Generates a list of fields/items out of an array provided by the function getFieldsOfFieldList().
+	 * Generates a list of fields/items out of an array provided by the function getFieldsFromFieldList().
 	 *
-	 * @see		getFieldsOfFieldList
+	 * @see		getFieldsFromFieldList
 	 * @param	array		$fields: The array of fields with optional additional information
 	 * @param	boolean		$useRawData: Use raw data instead of building by using the details (default: false)
 	 * @return	string		The list of fields/items which gets used for $TCA[<table>]['types'][<type>]['showitem']