code: private boolean isExcluded( VarNamePattern varNamePath)
      {
      boolean excluded = false;
      Iterator<VarNamePattern> excludedVars = getExcludedVars().iterator();
      while( excludedVars.hasNext() && !(excluded = excludedVars.next().matches( varNamePath)));
      return excluded;
      }
docs: Returns true if the given variable matches any excluded input variable.