    # File lib/merb-core/dispatch/default_exception/default_exception.rb, line 48
            def listing(key, value, arr)
              ret   =  []
              ret   << "<table class=\"listing\" style=\"display: none\">"
              ret   << "  <thead>"
              ret   << "    <tr><th width='25%'>#{key}</th><th width='75%'>#{value}</th></tr>"
              ret   << "  </thead>"
              ret   << "  <tbody>"
              (arr || []).each_with_index do |(key, val), i|
                klass = i % 2 == 0 ? "even" : "odd"
                ret << "    <tr class=\"#{klass}\"><td>#{key}</td><td>#{val.inspect}</td></tr>"
              end
              if arr.blank?
                ret << "    <tr class='odd'><td colspan='2'>None</td></tr>"
              end
              ret   << "  </tbody>"
              ret   << "</table>"
              ret.join("\n")
            end