
  [;1m-spec format_error(Reason) -> Chars[0m
  [;1m                      when[0m
  [;1m                          Reason ::[0m
  [;1m                              posix() |[0m
  [;1m                              badarg | terminated | system_limit |[0m
  [;1m                              {Line :: integer(),[0m
  [;1m                               Mod :: module(),[0m
  [;1m                               Term :: term()},[0m
  [;1m                          Chars :: string().[0m

  Given the error reason returned by any function in this module,
  returns a descriptive string of the error in English.
