- book()["null-tile"]=std::pair<synfig::Target::Factory,String>(Target_Null_Tile::create,"null-tile");
+
+ book()["null-tile"].factory =
+ reinterpret_cast<synfig::Target::Factory>(&Target_Null_Tile::create);
+ book()["null-tile"].filename = "null-tile";
+ book()["null-tile"].target_param = TargetParam();