LayoutTests/fast/layoutformattingcontext/quirk-margin-not-collapse-when-floating.html - WebKit - Git at Google

 <!DOCTYPE html> <!-- webkit-test-runner [ LayoutFormattingContextEnabled=true InlineFormattingContextIntegrationEnabled=false ] -->
 <style>
 p {
   float: left;
   width: 100px;
   height: 100px;
   background-color: green
 }
 </style>
 <p>
	<!DOCTYPE html> <!-- webkit-test-runner [ LayoutFormattingContextEnabled=true InlineFormattingContextIntegrationEnabled=false ] -->
	<style>
	p {
	float: left;
	width: 100px;
	height: 100px;
	background-color: green
	}
	</style>
	<p>