[css-display-3] dfn inline block

Author: fantasai

css-display-3/Overview.bs

@@ -289,6 +289,7 @@ Box Layout Modes: the 'display' property</h2>
 				<td>''inline''
 				<td>''inline flow''
 				<td><a>inline box</a>
+				    <abbr title="also known as">aka</abbr> <dfn export>inline block</dfn>
 			<tr>
 				<td>''inline-block''
 				<td>''inline flow-root''