third_party/blink/web_tests/fast/text/wide-preformatted-expected.html - chromium/src - Git at Google

 <html>
   <style>body { overflow:hidden; }
   </style><body><!-- 2^16 + 1 long line --><pre><script>
 var text="PASS if you can see this-"
 while (text.length <= 500)
 {
     text += text.length;
     text += "abcdefghijklmn pqrstuvwxyz"
 }
 document.write(text);</script></pre></body></html>
	<html>
	<style>body { overflow:hidden; }
	</style><body><!-- 2^16 + 1 long line --><pre><script>
	var text="PASS if you can see this-"
	while (text.length <= 500)
	{
	text += text.length;
	text += "abcdefghijklmn pqrstuvwxyz"
	}
	document.write(text);</script></pre></body></html>