Whoops, literal comments aren't good.

tabatkins · tabatkins · commit 84947182ee4b · 2016-04-27T15:32:17.000-07:00
diff --git a/css-syntax/Overview.bs b/css-syntax/Overview.bs
@@ -741,7 +741,7 @@ Token Railroad Diagrams</h3>
 		<dt id="CDO-token-diagram"><<CDO-token>>
 		<dd>
 			<pre class='railroad'>
-			T: <!--
+			T: <<!---->!--
 			</pre>
 
 		<dt id="CDC-token-diagram"><<CDC-token>>
