title: Clean URLs Using forward slash '/' in to_param with Rails (3)
body: <p>Is this possible?</p>
  
  <pre><code>def to_param
    "#{id}%2F#{slug}"
  end
  </code></pre>
  
  <p>This works in Chrome and Safari, but if Firefox you see the "%2F" in the address bar.  Is there a cleaner way?</p>