src/third_party/web_platform_tests/conformance-checkers/html/elements/button/formaction/scheme-file-backslash-novalid.html - cobalt - Git at Google

 <!DOCTYPE html>
 <meta charset=utf-8>
 <title>invalid formaction: scheme-file-backslash</title>
 <button formaction="file:c:\foo\bar.html"></button>
	<!DOCTYPE html>
	<meta charset=utf-8>
	<title>invalid formaction: scheme-file-backslash</title>
	<button formaction="file:c:\foo\bar.html"></button>