Index: TECH/StringUtils.cls.xml
===================================================================
diff -u -r3517 -r3565
--- TECH/StringUtils.cls.xml	(.../StringUtils.cls.xml)	(revision 3517)
+++ TECH/StringUtils.cls.xml	(.../StringUtils.cls.xml)	(revision 3565)
@@ -522,6 +522,20 @@
 ]]></Implementation>
 </Method>
 
+<Method name="VoegToeZonderDuplicatie">
+<ClassMethod>1</ClassMethod>
+<FormalSpec>String1:%String,String2:%String,Delimiter:%String=", "</FormalSpec>
+<Implementation><![CDATA[
+	Quit:(String1 = "") String2
+	Quit:(String2 = "") String1
+
+	Quit:(String1 [ String2) String1   ; String2 niet meer toevoeven, want is reeds aanwezig 
+	Quit:(String2 [ String1) String2   ; String1 niet meer toevoeven, want is reeds aanwezig 
+	
+	Quit String1 _ Delimiter _ String2
+]]></Implementation>
+</Method>
+
 <Method name="StripAllExceptNumeric">
 <ClassMethod>1</ClassMethod>
 <FormalSpec>String:%String</FormalSpec>