make clip the initial value, like it's supposed to be

Author: fantasai

css3-text/Overview.src.html

@@ -2905,7 +2905,7 @@ <h3 id="text-overflow"><a name="text-overflow-props"></a><a name="text-overflow-
         </tr>
         <tr>
           <th>Initial:</th>
-          <td>ellipsis</td>
+          <td>clip</td>
         </tr>
         <tr>
           <th>Applies to:</th>