Index: /FCKeditor/trunk/_whatsnew.html
===================================================================
--- /FCKeditor/trunk/_whatsnew.html	(revision 387)
+++ /FCKeditor/trunk/_whatsnew.html	(revision 388)
@@ -52,4 +52,6 @@
 		<li>[<a target="_blank" href="https://sourceforge.net/tracker/?func=detail&aid=1511298&group_id=75348&atid=543655">SF 
 			Patch 1511298</a>] The CF Component failed on CFMX 6.0</li>
+		<li>[<a target="_blank" href="http://dev.fckeditor.net/ticket/639">#639</a>] If the 
+			FCKConfig.DefaultLinkTarget setting was missing in fckconfig.js the links has target="undefined"</li>
 	</ul>
 	<h3>
Index: /FCKeditor/trunk/editor/dialog/fck_link/fck_link.js
===================================================================
--- /FCKeditor/trunk/editor/dialog/fck_link/fck_link.js	(revision 387)
+++ /FCKeditor/trunk/editor/dialog/fck_link/fck_link.js	(revision 388)
@@ -677,5 +677,5 @@
 function SetDefaultTarget()
 {
-	var target = FCKConfig.DefaultLinkTarget + '' ;
+	var target = FCKConfig.DefaultLinkTarget || '' ;
 	
 	if ( oLink || target.length == 0 )