title: UINavigationBar editable title?
body: <p>I have a UINavigationController based app. I can programatically set the title of the UINavigationBar from within my view controller's viewDidLoad method:</p>
  
  <pre><code>self.navigationItem.title = m_name;
  </code></pre>
  
  <p>Can I make it so that the title in the navigation bar is editable? IE. I want the user to be able to tap the title in the navigation bar, and to be able to edit it.</p>
  
  <p>Is this possible? And if it is possible, does is it likely to meet Apple's Human Interface Guidelines? (This post suggests it will, but does not tell me how to implement it - <a href="https://stackoverflow.com/questions/9920520/make-uinavigationbar-title-editable">Make UINavigationBar title editable</a>)</p>
  
  <p>Many thanks</p>
  
  <p>Nathan</p>