LayoutTests/fast/text/international/bidi-control-chars-treated-as-ZWS.html - WebKit - Git at Google

 This tests that Unicode bidi control characters are not rendered and have zero width. The next two lines should look the same.
 <div style="font-family: 'Times New Roman';">
     a&#x202d;e&#x300;<br>
     ae&#x300;
 </div>
	This tests that Unicode bidi control characters are not rendered and have zero width. The next two lines should look the same.
	<div style="font-family: 'Times New Roman';">
	a‭è<br>
	aè
	</div>