title: How to delete mutil indents in Emacs Haml mode?
body: <p>I installed haml-mode in my Emacs follow this article <a href="http://www.emacswiki.org/emacs/HamlMode" rel="nofollow">http://www.emacswiki.org/emacs/HamlMode</a></p>
  
  <p>There is my code :</p>
  
  <pre><code>.row
           .a
             .b
               .c
  </code></pre>
  
  <p>I want to get </p>
  
  <pre><code> .row
     .a
       .b
         .c
  </code></pre>
  
  <p>How to delele mulline intents, what is the shortcut ?</p>