anchor.diff:                       at <a href="<%= issue.url %>"><%= issue.url %></a>.
                        <br/>
   
  -                 <% if (issue.variations[0]['response'] && !issue.variations[0]['response'].empty?) && issue.variations[0]['regexp_match'] %>
  +                 <% if (issue.variations[0] && issue.variations[0]['response'] && !issue.variations[0]['response'].empty?) && issue.variations[0]['regexp_match'] %>
   
                    <div style="display: none" id="inspection-dialog_<%=i%>" title="Relevant content is shown in red.">
                        <% match = CGI.escapeHTML( issue.variations[0]['regexp_match'] )%>
  
positive.code:                     </form>
                   <%end%>
  
              </p>
              <%end%>
  
  
negative.code:                  <form style="display:inline" action="#">
                       <input onclick="javascript:inspect( '#inspection-dialog_<%=i%>')" type="button" value="Inspect" />
                   </form>
  
                   <% if issue.method && (issue.elem.downcase == 'form' || issue.elem.downcase == 'link' ) &&
                         ( issue.method.downcase == 'get' || issue.method.downcase == 'post' ) %>
  