Index: en_US.ISO8859-1/books/porters-handbook/versions/chapter.xml
===================================================================
--- en_US.ISO8859-1/books/porters-handbook/versions/chapter.xml
+++ en_US.ISO8859-1/books/porters-handbook/versions/chapter.xml
@@ -136,6 +136,14 @@
 	      <literal>kern.smp.threads_per_core</literal> and
 	      <literal>kern.smp.cores</literal> sysctls.</entry>
 	  </row>
+
+	  <row>
+	    <entry>1300009</entry>
+	    <entry><revnumber>343213</revnumber></entry>
+	    <entry>January 20, 2019</entry>
+	    <entry>13.0-CURRENT after <literal>struct ieee80211vap</literal>
+	      structure size change.</entry>
+	  </row>
 	</tbody>
       </tgroup>
     </table>