# File lib/kwartz/converter.rb, line 370
    def expand_attr_vars_in_native_expr(native_expr, attr_info)
      code = expand_attr_vars(native_expr.code, attr_info)
      if code != native_expr.code
        native_expr = NativeExpression.new(code, native_expr.escape)
      end
      return native_expr
    end