Fallbacks in printout if entity is missing name.

if __FILE__ == $0 then

  JsDuck.parse_files(ARGV).each do |doc|

    puts doc[:name] + ":"

    puts (doc[:name] || "?") + ":"

    if doc[:tagname] == :class

      [:cfg, :property, :method, :event].each do |key|

        puts "  " + key.to_s + "s:"

        doc[key].each {|item| puts "    " + item[:name]}

        doc[key].each {|item| puts "    " + (item[:name] || "?")}

      end

    end

    puts