message: Don't put a (useless) point on the diagonal in the example
diff: @@ -35,19 +35,19 @@ The following example explains how the distance is computed:
  import gudhi
  - message = "Bottleneck distance = " + '%.1f' % gudhi.bottleneck_distance([[0., 0.]], [[0., 13.]])
  + message = "Bottleneck distance = " + '%.1f' % gudhi.bottleneck_distance([[0., 2.]], [[1., 13.]])
  print(message)
  .. testoutput::
  - Bottleneck distance = 6.5
  + Bottleneck distance = 6.0
  .. figure::
  ../../doc/Bottleneck_distance/bottleneck_distance_example.png
  :figclass: align-center
  - The point (0, 13) is at distance 6.5 from the diagonal and more
  - specifically from the point (6.5, 6.5)
  + The point (1, 13) is at distance 6 from the diagonal and more
  + specifically from the point (7, 7).
  Basic example
  