anchor.diff:        </a>
       </div>
   
  - <% if params[:test] == "fb" %>
     <div id="fblike" class="stacked">
       <script src="http://connect.facebook.net/en_US/all.js#xfbml=1"></script><fb:like show_faces="true" width="270"></fb:like>
     </div>
  -  <br/>
  - <% end %>
   
   </div>
   
  
positive.code: <%- content_for(:extrahead) do -%>
    <meta property="og:title" content="<%= @taxon.to_plain_s(:verb => true, :no_time => true) %>"/> 
    <meta property="og:type" content="taxon"/> 
    <% if !@taxon.photos.blank? -%>
      <meta property="og:image" content="<%= @taxon.photos.first.small_url %>"/> 
    <% elsif @taxon.photos.blank? %>
      <meta property="og:image" content="<%= iconic_taxon_image_url(@taxon) %>"/> 
    <% end -%>
    <meta property="og:url" content="<%= taxon_url(@taxon) %>"/> 
    <meta property="og:site_name" content="iNaturalist"/> 
  
negative.code:   <meta property="fb:app_id" content="26558815027"> 
    <% unless @taxon.wikipedia_summary.blank? -%>
      <meta name="description" content="<%= strip_tags(@taxon.wikipedia_summary).gsub('"', "'") %>"/>
      <%-
        og_description = if @photos.blank?
          html_attributize(@taxon.wikipedia_summary)
        else
          "#{html_attributize @taxon.wikipedia_summary} (Photo: #{@photos.first.attribution})"
        end
      -%>
      <meta property="og:description" content="<%= og_description %>"/>
    <% end -%>
  <%- end -%>
  
  