Index: /FCKeditor/trunk/editor/_source/internals/fck_gecko.js
===================================================================
--- /FCKeditor/trunk/editor/_source/internals/fck_gecko.js	(revision 657)
+++ /FCKeditor/trunk/editor/_source/internals/fck_gecko.js	(revision 658)
@@ -192,5 +192,6 @@
 		if ( ! emptyBlockNode || emptyBlockNode.nodeType != 1 )
 			return ;
-		if ( ! FCKListsLib.NonEmptyBlockElements[emptyBlockNode.tagName.toLowerCase()] )
+		var nodeTag = emptyBlockNode.tagName.toLowerCase() ;
+		if ( nodeTag != 'p' && nodeTag != 'div' )
 			return ;
 		if ( emptyBlockNode.firstChild )