1% PDF/X-4 2 3% \nopdfcompression 4 5\enabletrackers[backend.format,backend.variables] 6 7\setupbackend 8 [format=PDF/X-4, 9 %profile={sRGB.icc,default_gray.icc}, 10 intent=ISOcoated_v2_eci.icc] 11 12\input pdf-x-common.mkiv 13