title: How to clear the line number in Vim when copying?
body: <p>I copy some code from one part of one file to another part in vim, I find that, there are line numbers in each line and the format is gone, how to set correct format as origin ?</p>
  
  <p>like this:</p>
  
  <pre><code>            40         root /opt/release/current/public;
   67             41         passenger_enabled on;
   68              42 
  </code></pre>