ccc.rb

  # replace symbols
  def rs(str)
    return str if str.blank?

    symbols = {
      '>' => '＞',
      '<' => '＜',
      '&' => '＆'
    }

    result = str
    for k,v in symbols do
      result.gsub!(k,v)
    end

    return result
  end