title: how include span in link_to erb
body: <p>I want to write this HTML in ERB:</p>
  
  <pre><code>&lt;a href="/" id="logo"&gt;One&lt;span id="red&gt;Two&lt;/span&gt;&lt;/a&gt;
  </code></pre>
  
  <p>How do I include the span?</p>
  
  <pre><code>&lt;%= link_to "ONETWO", root_path, id: "logo" %&gt;
  </code></pre>