The application/xhtml+xml MIME type should appear in the mime.types file and similar (magic) files, associated with the ".xhtml" and ".xht" file extensions. See RFC 3236 for more information, plus the Shared MIME-Info Spec at <http://www.freedesktop.org/standards/shared-mime-info.html>. Steps to Reproduce: Type "file -i my-xhtml-file.xhtml" from a shell prompt. Expected Results: file: Using regular magic file `/usr/share/magic.mime' my-xhtml-file.xhtml: application/xhtml+xml
It's in current files.