message: fix buffer.save() docs
diff: @@ -923,15 +923,11 @@ where
  /// Saves the buffer to a file at the path specified.
  ///
  /// The image format is derived from the file extension.
  - /// Currently only jpeg, png, ico, pnm, bmp and
  - /// tiff files are supported.
  - // TODO exr supported, but Rgba32F is not yet
  pub fn save<Q>(&self, path: Q) -> ImageResult<()>
  where
  Q: AsRef<Path>,
  P: PixelWithColorType,
  {
  - // This is valid as the subpixel is u8.
  save_buffer(
  path,
  self.as_bytes(),
  