--- old/src/java.base/share/classes/java/security/cert/X509Extension.java	2017-05-05 15:25:55.179958121 -0700
+++ new/src/java.base/share/classes/java/security/cert/X509Extension.java	2017-05-05 15:25:55.051952532 -0700
@@ -152,10 +152,14 @@
      * by periods.
      *
      * <p>For example:<br>
-     * <table border=groove summary="Examples of OIDs and extension names">
+     * <table class="plain">
+     * <caption style="display:none">Examples of OIDs and extension names</caption>
+     * <thead>
      * <tr>
      * <th>OID <em>(Object Identifier)</em></th>
      * <th>Extension Name</th></tr>
+     * </thead>
+     * <tbody>
      * <tr><td>2.5.29.14</td>
      * <td>SubjectKeyIdentifier</td></tr>
      * <tr><td>2.5.29.15</td>
@@ -176,6 +180,7 @@
      * <td>AuthorityKeyIdentifier</td></tr>
      * <tr><td>2.5.29.36</td>
      * <td>PolicyConstraints</td></tr>
+     * </tbody>
      * </table>
      *
      * @param oid the Object Identifier value for the extension.