message: code review: legend=True is the def behaviour, no need to pers_diag
diff: @@ -79,15 +79,11 @@ If you want more information on a specific dimension, for instance:
  persistence_file=gudhi.__root_source_dir__ + \
  '/data/persistence_diagram/rips_on_tore3D_1307.pers'
  birth_death = gudhi.read_persistence_intervals_in_dimension(
  - persistence_file=persistence_file,
  - only_this_dim=1)
  - pers_diag = [(1, elt) for elt in birth_death]
  + persistence_file=persistence_file, only_this_dim=1)
  # Use subplots to display diagram and density side by side
  fig, axes = plt.subplots(nrows=1, ncols=2, figsize=(12, 5))
  - gudhi.plot_persistence_diagram(persistence=pers_diag,
  - legend=False, axes=axes[0])
  - gudhi.plot_persistence_density(persistence=pers_diag,
  - legend=True, axes=axes[1])
  + gudhi.plot_persistence_diagram(persistence=birth_death, axes=axes[0], legend=False)
  + gudhi.plot_persistence_density(persistence=birth_death, axes=axes[1])
  plt.show()
  LaTeX support
  