diff -r eaf4e8387065 -r ec7d8bc17725 vm/src/main/java/org/apidesign/vm4brwsr/Variable.java
--- a/vm/src/main/java/org/apidesign/vm4brwsr/Variable.java	Wed Dec 12 11:04:02 2012 +0100
+++ b/vm/src/main/java/org/apidesign/vm4brwsr/Variable.java	Wed Dec 12 14:07:53 2012 +0100
@@ -17,7 +17,7 @@
  */
 package org.apidesign.vm4brwsr;
 
-public final class Variable implements CharSequence {
+final class Variable implements CharSequence {
     private static final String STACK_VAR_PREFIX = "st";
     private static final String LOCAL_VAR_PREFIX = "lc";