-*- Text -*- These are the SUSP and RockRidge compliant extensions that GNU uses: See rr.h for format details. AU: Author, an additional uid on a file. If this is not present, the author is the same as the owner. TR: Translator, specifying a command line to run as a translator. MD: A full 32 bit hurd mode; if not present, the mode is the one found in the PX record. FL: 32 bits of flags; if not present, the flags are zero.