diff -r 36961c9a009f -r 894a5045e354 rt/vm/src/main/java/org/apidesign/vm4brwsr/ClosureWrapper.java
--- a/rt/vm/src/main/java/org/apidesign/vm4brwsr/ClosureWrapper.java	Mon May 13 18:54:50 2013 +0200
+++ b/rt/vm/src/main/java/org/apidesign/vm4brwsr/ClosureWrapper.java	Mon May 27 08:33:59 2013 +0200
@@ -158,6 +158,7 @@
 
     private static final String[] FIXED_EXTERNS = {
         "bck2brwsr",
+        "bck2BrwsrCnvrt",
         "registerExtension",
         "$class",
         "anno",