title: How to build an empty label with Rails' FormHelper?
body: <p>I am trying to build a label without any value using <a href="http://api.rubyonrails.org/classes/ActionView/Helpers/FormBuilder.html#method-i-label" rel="nofollow noreferrer">Rails' label helper</a> (don't ask why; I need it for some CSS3 magic).</p>
  
  <p>This does <em>not</em> work:</p>
  
  <pre><code>&lt;%= f.label :last_name, "" %&gt;
  </code></pre>
  
  <p>(Rails overrides the blank string with the label value anyway.)</p>
  
  <p>Neither does this:</p>
  
  <pre><code>&lt;%= f.label :last_name, nil %&gt;
  </code></pre>
  
  <p>This <em>does</em> work but seems cumbersome:</p>
  
  <pre><code>&lt;%= f.label :last_name do %&gt;
      &lt;%= "" %&gt;
  &lt;% end %&gt;
  </code></pre>
  
  <p>Is there a better way?</p>