Hi, I've updated the multiplexes file format to what was discussed recently. At Kenneth's suggestion I've supported two styles of delivery lines - long and short. Long is the full human readable string version that we originally had. Short is the integer-only format we came up with more recently.. The idea being that long would be used for human maintained files (e.g. seed files), but short for machine maintained files in order to save space. The library will autodetect which format is being used in a file. You choose which format should be output with the long_delivery parameter when you call dvbcfg_multiplex_backend_file_create().