to_s (PDF::Writer::Object::Action)

        # File lib/pdf/writer/object/action.rb, line 24
    24:   def to_s
    25:     res = "\n#{@oid} 0 obj\n<< /Type /Action"
    26:     if @type == :ilink
    27:       res << "\n/S /GoTo\n/D #{@parent.destinations[@label].oid} 0 R"
    28:     elsif @type == 'URI'
    29:       res << "\n/S /URI\n/URI ("
    30:       res << PDF::Writer.escape(@label)
    31:       res << ")\n"
    32:     end
    33:     res << ">>\nendobj"
    34:   end