--- old/samples/dynalink/underscore_linker.js	2016-11-02 17:58:57.203292300 +0530
+++ new/samples/dynalink/underscore_linker.js	2016-11-02 17:58:55.921259700 +0530
@@ -46,5 +46,6 @@
 // but make sure classpath points to the pluggable linker jar!
 
 `jjs -cp underscore_linker.jar underscore.js`
+print($ERR)
 print($OUT)