verysimple.nx5 : NeXus data file
  @default = entry
  entry:NXentry
    @NX_class = NXentry
    @default = data
    data:NXdata
      @NX_class = NXdata
      @signal = counts
      @axes = two_theta
      @two_theta_indices = [0]
      counts:int32[15] = [1193, 4474, 53220, '...', 1000]
        @units = counts
        @long_name = photodiode counts
      two_theta:float64[15] = [18.9094, 18.9096, '...', 18.9122]
        @units = degrees
        @long_name = two_theta (degrees)