code: private boolean checkDefaultFileAlterDiscard()
  	{
  		return	id.equals(ID3v2Frames.AUDIO_SEEK_POINT_INDEX) || 
  				id.equals(ID3v2Frames.AUDIO_ENCRYPTION) || 
  				id.equals(ID3v2Frames.EVENT_TIMING_CODES) || 
  				id.equals(ID3v2Frames.EQUALISATION) || 
  				id.equals(ID3v2Frames.MPEG_LOCATION_LOOKUP_TABLE) || 
  				id.equals(ID3v2Frames.POSITION_SYNCHRONISATION_FRAME) || 
  				id.equals(ID3v2Frames.SEEK_FRAME) || 
  				id.equals(ID3v2Frames.SYNCHRONISED_LYRIC) || 
  				id.equals(ID3v2Frames.SYNCHRONISED_TEMPO_CODES) || 
  				id.equals(ID3v2Frames.RELATIVE_VOLUME_ADJUSTMENT) || 
  				id.equals(ID3v2Frames.ENCODED_BY) || 
  				id.equals(ID3v2Frames.LENGTH);
  	}
docs: Returns true if this frame should have the file alter
  preservation bit set by default.
  
  @return true if the file alter preservation should be set by default