"application/x-wais-source",
				"application/x-webarchive",
				"application/x-x509-ca-cert",
				"application/x-xfig",
				"application/x-xpinstall",
				"application/x-xmind",
				"application/x-xz",
				"application/x-zoo",
				"application/x400-bp",
				"application/xcap-att+xml",
				"application/xcap-caps+xml",
				"application/xcap-el+xml",
				"application/xcap-error+xml",