1.1 --- a/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java	Tue Oct 30 22:22:18 2012 +0100
     1.2 +++ b/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java	Tue Oct 30 22:35:32 2012 +0100
     1.3 @@ -967,9 +967,10 @@
     1.4      }
     1.5      
     1.6      private void addReference(String cn) throws IOException {
     1.7 -        out.append(" /* needs ").append(cn).append(" */");
     1.8          if (references != null) {
     1.9 -            references.add(cn);
    1.10 +            if (references.add(cn)) {
    1.11 +                out.append(" /* needs ").append(cn).append(" */");
    1.12 +            }
    1.13          }
    1.14      }
    1.15