LayoutTests/fast/forms/negativeLineHeight.html

<html lang="en">
<head>
<script>
if (window.internals)
    internals.settings.setSimpleLineLayoutEnabled(false);
</script>
	<style type="text/css">
		.p { 			
				border: dotted silver 1px;
				font-style:italic;
				font-family: Verdana, Arial, Helvetica;
				font-size: 10pt;
				line-height:-400%;
				width:400px; height:200px;
			}	
	
	</style>
</head>
<body>
The textarea below should have standard line-height because textareas should ignore negative line-heights<br/>
<p>	TEXTAREA<br/>
		<textarea id="myTA" class="p">Demo text here that wraps a bit and should demonstrate the goodness of line-height</textarea>
    <br/><br/>
        
</p>
</body>
</html>