LayoutTests/fast/css/variables/rule-serialization.html - external/github.com/WebKit/webkit - Git at Google

 <html>
 <head>
 <style>
 :root { --bgcolor: green; background: var(--bgcolor); }
 </style>
 <body>
 <script>
 document.write(document.styleSheets[0].cssRules[0].cssText)
 </script>
 </body>
 </html.
	<html>
	<head>
	<style>
	:root { --bgcolor: green; background: var(--bgcolor); }
	</style>
	<body>
	<script>
	document.write(document.styleSheets[0].cssRules[0].cssText)
	</script>
	</body>
	</html.