code: def _parse_multi_options(options, split_token=','):
      r
      if options:
          return [o.strip() for o in options.split(split_token) if o.strip()]
      else:
          return options
docs: r"""Split and strip and discard empties.
  
      Turns the following:
  
      A,
      B,
  
      into ["A", "B"]