old_contents: import os
  
  ref_dir = os.path.join(os.path.dirname(__file__))
  
  __all__ = [f[:-3] for f in os.listdir(ref_dir) if f.endswith('.py') and
             not f.startswith('__')]
  
  __doc__ = 'The following topics are available:\n' + \
            '\n - '.join([''] + __all__)
  
  __all__.extend(['__doc__'])
  
new_contents: import os
  
  ref_dir = os.path.join(os.path.dirname(__file__))
  
  __all__ = [f[:-3] for f in os.listdir(ref_dir) if f.endswith('.py') and
             not f.startswith('__')]
  __all__.sort()
  
  __doc__ = 'The following topics are available:\n' + \
            '\n - '.join([''] + __all__)
  
  __all__.extend(['__doc__'])
  
subject: Sort numpy.doc names.