docs: def generate_entry_label(entry):
      """
      Generates a label for the pourbaix plotter
  
      Args:
          entry (PourbaixEntry or MultiEntry): entry to get a label for
      """
      if isinstance(entry, MultiEntry):
          return " + ".join([latexify_ion(e.name) for e in entry.entry_list])
      else:
          return latexify_ion(latexify(entry.name))