Almost all data in a NIFF file are optional. To a degree Braille music resembles musical markup languages such as MusicXML or NIFF. He also suggested "snie", "jes", "jerd", "reff", and "niff" as names to use vocally. The NIFF SDK is available at The NIFF SDK Archive for educational usage. "A Midsummer's Fantasia" is a film commission for the Nara International Film Festival (NIFF). As of February 2006 the NIFF project web site has been closed. The nifF gene mediates electron transfer from nifJ protein to Fe protein of nitrogenase. NIFF is now considered obsolete mainly due to the MusicXML format.