title: Joomla 3 add new tab to article manager
body: <p><img src="https://i.stack.imgur.com/9HQ8w.png" alt="enter image description here"></p>
  
  <p>This is <a href="http://www.joomla.org/3/en" rel="nofollow noreferrer">Joomla 3.3</a>.
  I want to add a tab to article <em>add</em>/<em>edit</em>. Basically I want to let user to change the content themselves according to a predefined layout.</p>
  
  <p>Is there any tutorial on this?</p>
  
  <p><strong>EDIT</strong></p>
  
  <p>I want to create a plugin/module/component for article form. Meaning to say that want to add additional info/meta to the article.</p>