Index: t3lib/class.t3lib_rteapi.php
===================================================================
--- t3lib/class.t3lib_rteapi.php	(revision 7711)
+++ t3lib/class.t3lib_rteapi.php	(working copy)
@@ -201,8 +201,16 @@
 	}
 }
 
+/**
+ * @deprecated since TYPO3 4.4: Use XCLASS t3lib/class.t3lib_rteapi.php instead. Will be removed in TYPO3 4.6.
+ */
 if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/rte/class.tx_rte_base.php'])	{
+	t3lib_div::deprecationLog('XCLASS "ext/rte/class.tx_rte_base.php" is deprecated since TYPO3 4.4 - use "t3lib/class.t3lib_rteapi.php" instead.');
 	include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/rte/class.tx_rte_base.php']);
 }
 
+if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_rteapi.php']) {
+	include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_rteapi.php']);
+}
+
 ?>
\ No newline at end of file