[css-display] Convert <i> autolinks.

Author: tabatkins

css-display/Overview.bs

@@ -239,11 +239,11 @@ Box Layout Modes: the 'display' property</h2>
 			<tr>
 				<td>''table''
 				<td>''block table''
-				<td><a>block-level</a> <i>table wrapper box</i> containing <i>table box</i>
+				<td><a>block-level</a> <a>table wrapper box</a> containing <a>table box</a>
 			<tr>
 				<td>''inline-table''
 				<td>''inline table''
-				<td><a>inline-level</a> <i>table wrapper box</i> containing <i>table box</i>
+				<td><a>inline-level</a> <a>table wrapper box</a> containing <a>table box</a>
 		<tbody title="Layout-internal display types">
 			<!--
 			<tr>