anchor.diff:      <%end%>
     </ul>
   </h6>
  +Add a comment:
  +<form method='POST' action='/comments'>
  +  <input type='text' name='username' placeholder='username'>
  +  <input type='text' name='body' placeholder='comment'>
  +</form>
   </p>
   
   <p>
  
positive.code:         <!--should this go in controller or model?-->
          - <%=User.find(comment.user_id).username%>
        <%end%>
      <%end%>
      </ul>
    </h6>
  </p>
  
negative.code: 
  
  <h1>Question: <%=@question.title%></h1>
  <p>
  