wlu: silent an un-needed warning
diff --git a/org.eclipse.epf.export.xml/src/org/eclipse/epf/export/xml/services/XMLLibrary.java b/org.eclipse.epf.export.xml/src/org/eclipse/epf/export/xml/services/XMLLibrary.java
index dbf4e6c..779a92d 100644
--- a/org.eclipse.epf.export.xml/src/org/eclipse/epf/export/xml/services/XMLLibrary.java
+++ b/org.eclipse.epf.export.xml/src/org/eclipse/epf/export/xml/services/XMLLibrary.java
@@ -870,8 +870,12 @@
 			// check if the element has a unique id or not
 			Object old = getElement(id);
 			if ((old != null) && (old != element)) {
-				logger.logWarning(NLS.bind(
+				if (! ( (old instanceof Section) && 
+						(element instanceof Section) 
+					   )) {
+					logger.logWarning(NLS.bind(
 						ExportXMLResources.xmlLibrary_id_not_unique, id));
+				}
 			}
 
 			setElement(id, element);