title: Telegram does not escape some markdown characters
body: <p>Telegram does not escape some markdown characters, for example:</p>
  
  <ul>
  <li><p>This works fine</p>
  
  <p>_test\_test_</p></li>
  <li><p>But this return parse error</p>
  
  <p>*test\*test*</p></li>
  </ul>
  
  <p>What I do wrong?</p>