to_s (PDF::Writer::Object::Info)

        # File lib/pdf/writer/object/info.rb, line 34
    34:   def to_s
    35:     @parent.arc4.prepare(self) if @parent.encrypted?
    36:     res = "\n#{@oid} 0 obj\n<<\n"
    37:     Info.each do |i|
    38:       v = __send__("#{i.downcase}".intern)
    39:       next if v.nil?
    40:       res << "/#{i} ("
    41:       if v.kind_of?(Time)
    42:         s = "D:%04d%02d%02d%02d%02d"
    43:         v = v.utc
    44:         v = s % [ v.year, v.month, v.day, v.hour, v.min ]
    45:       end
    46:       if @parent.encrypted?
    47:         res << PDF::Writer.escape(@parent.arc4.encrypt(v))
    48:       else
    49:         res << PDF::Writer.escape(v)
    50:       end
    51:       res << ")\n"
    52:     end
    53:     res << ">>\nendobj"
    54:   end