chromium/third_party/blink/web_tests/fast/forms/mailto/post-text-plain.html

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>
<body onload="test()">
<form action="mailto:[email protected][email protected]&subject=&uuml;&#1072;&#1105;"
 enctype="text/plain" method="post">
<input name="Stra&szlig;e" value="&uuml;&#1072;&#1105;">
<input type=submit>
</form>
<script>
function test() {
  if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.waitForPolicyDelegate();
    document.getElementsByTagName("form")[0].submit();
  }
}
</script>
</body>
</html>