rem: string description(void) const { return("CD-R/CDDA audio files. This format is used when mastering audio-CDs."); }
add: std::string description(void) const { return("CD-R/CDDA audio files. This format is used when mastering audio-CDs."); }
context:   string description(void) const { return("CD-R/CDDA audio files. This format is used when mastering audio-CDs."); }