IPC 2571 Document Type Definition (DTD) Generic Requirements for Supply Chain Communication of Product Data Exchange (PDX) From: http://webstds.ipc.org/2571pub.pdf See: http://xml.coverpages.org/pdx.html "It is expected that a future version of Product Data eXchange XML definitions will be written in XML Schema. The following is a master DTD that includes all elements from the IPC-2571, IPC-2576 and IPC-2578." --------------------------------------------------------------