OptionalconcentrateOptionaledgeOptionalengineOptionalgraphOptionalgraphOptionalissueOptionalnodeOptionalnodesepDisconnected-component 2D packing mode; defaults to 'node' (shelf packing).
OptionalprOptionalranksepMax pixel dimension on the longer axis for png/jpeg raster output.
Optionalsplines
Parsed
allinvocation — carries every scan and render field.