Index: openide/src/org/openide/text/CloneableEditor.java
===================================================================
@@ -115,7 +115,13 @@
      * @return context help
      */
     public HelpCtx getHelpCtx() {
-        HelpCtx fromKit = HelpCtx.findHelp (support.kit ());
+// <> NPE when this method called before document loaded or after document closed,
+// i.e. when support.kit() returns null.
+//        HelpCtx fromKit = HelpCtx.findHelp (support.kit ());
+// ====
+        Object kit = support.kit();
+        HelpCtx fromKit = (kit == null ? null : HelpCtx.findHelp(kit));
+// </>
         if (fromKit != null)
             return fromKit;
         else