trustieforge/app/views/projects/_project_issue_comments_reply.html.erb

<div class="orig_cont clearfix">
  <% unless comment.parent.nil? %>
      <div>
        <%=render :partial => 'projects/project_issue_comments_reply', :locals => {:comment => comment.parent, :user_activity_id => user_activity_id, :parent_id => parent_id} %>
      </div>
  <% end %>
  <%=render :partial => 'projects/project_issue_comments_reply_detail', :locals => {:comment => comment, :user_activity_id => user_activity_id, :parent_id => parent_id} %>
</div>