class Tilt::ERBTemplate

def prepare
  @outvar = options[:outvar] || self.class.default_output_variable
  options[:trim] = '<>' if !(options[:trim] == false) && (options[:trim].nil? || options[:trim] == true)
  @engine = if SUPPORTS_KVARGS
    ::ERB.new(data, trim_mode: options[:trim], eoutvar: @outvar)
  else
    ::ERB.new(data, options[:safe], options[:trim], @outvar)
  end
end