single-character-pi-stylesheet.xhtml

<?xml-stylesheet href="a" type="text/css"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head></head>
<body onload="test()">
<p>
This text should be styled green.
</p>
<script>
if (window.testRunner)
    testRunner.dumpAsText();

if (!document.firstChild.data.match(/href="a"/))
    alert("Please don't rename the stylesheet - the test needs its URL to be single character");

function test()
{
    if (document.firstChild.sheet.cssRules.length)
        document.getElementsByTagName("p")[0].innerHTML += " PASS.";
}

</script>
</body>
</html>

chromium/third_party/blink/web_tests/http/tests/misc/single-character-pi-stylesheet.xhtml