
  [;1m-spec native_name_encoding() -> latin1 | utf8.[0m

[;;4mSince[0m:
  OTP R14B01

  Returns the filename encoding mode. If it is [;;4mlatin1[0m, the system
  translates no filenames. If it is [;;4mutf8[0m, filenames are converted
  back and forth to the native filename encoding (usually UTF-8, but
  UTF-16 on Windows).
