anchor.diff:  
       <% @comments.each do |comment| %>
         <% @subcomments = Note.find_all_by_parent_id comment.id %>
  -      <% @subcomment_count = @subcomments.count %>
  +      <% @subcomment_count = @subcomments.length %>
         <tr>
           <td colspan ="3"><%=h comment.user %>: <%=h comment.body %></td>
           <td align="right" width="125px">
  
positive.code: 
  
       <% @comments = Note.find_all_by_parent_id note.id %>
       <% @comments_count = @comments.count %>
  
     <tr>
      <td>
  
negative.code:           <% @subcomments = Note.find_all_by_parent_id comment.id %>
            <% @subcomments.each do |subcomment| %>
              <% @subsubcomments = Note.find_all_by_parent_id subcomment.id %>
              <% @subsubcomments_count = @subsubcomments.length %>
              <tr>
                <td class="blank"></td>
                <td colspan = "3"><%=h subcomment.user %>: <%=h subcomment.body %></td>
  