- Close some sect3 tags

Submitted by:	Aron Schlesinger via miwi

en_US.ISO8859-1/books/porters-handbook/book.sgml

@@ -3947,6 +3947,7 @@ ${MANPREFIX}/man/de/man3/baz.3.gz</programlisting>
 	      The <makevar>WITH_*</makevar> and <makevar>WITHOUT_*</makevar>
 	      variables can only be tested after the inclusion of
 	      <filename>bsd.port.pre.mk</filename>.</para>
+	</sect3>
 
 	<sect3>
 	  <title>Example</title>
@@ -3969,6 +3970,7 @@ RUN_DEPENDS+=	bar:${PORTSDIR}/bar/bar
 
 .include &lt;bsd.port.post.mk&gt;</programlisting></para>
 	  </example>
+	</sect3>
 
       </sect2>