docs: def _split_into_symbol_words(sym):
      """Split a technical looking word into a set of symbols.
  
      This handles cases where technical words are separated by dots or
      arrows, as is the convention in many programming languages.
      """
      punc = r"[\s\-\*/\+\.,:\;=\)\(\[\]\{\}<>\|\?&\^\$@]"
      words = [w.strip() for w in re.split(punc, sym)]
      return words