The list is missing a few file extensions, e.g.: - [`.cur`](http://en.wikipedia.org/wiki/ICO_%28file_format%29) - [`.webp`](http://en.wikipedia.org/wiki/WebP) - [`.jxr` / `.hdp` / `.wdp`](http://en.wikipedia.org/wiki/JPEG_XR) - ... See also: http://en.wikipedia.org/wiki/Image_file_formats
