diff --git a/share/sgml/freebsd.dtd b/share/sgml/freebsd.dtd
index e12bdce853..11f383a016 100644
--- a/share/sgml/freebsd.dtd
+++ b/share/sgml/freebsd.dtd
@@ -7,7 +7,7 @@
 
      The FPI for this DTD is "-//FreeBSD//DTD DocBook V3.1-Based Extension//EN"
 
-     $FreeBSD: doc/share/sgml/freebsd.dtd,v 1.4 2000/02/14 01:30:48 nik Exp $
+     $FreeBSD: doc/share/sgml/freebsd.dtd,v 1.5 2000/07/16 22:56:52 nik Exp $
 -->
 
 <!-- ..................................................................... -->
@@ -18,7 +18,9 @@
      cause special processing.                                             -->
 
 <!ENTITY % output.html  "IGNORE">    <!-- HTML output is being generated   -->
+<!ENTITY % output.html.images "IGNORE"> <!-- HTML with images -->
 <!ENTITY % output.print "IGNORE">    <!-- Print output is being generated  -->
+<!ENTITY % output.print.pdf "IGNORE"> <!-- PDF output -->
 
 <!-- ..................................................................... -->
 <!-- Entities for element classes and mixtures ........................... -->
@@ -28,6 +30,9 @@
 
 <!ENTITY % local.cptr.char.mix "|CO">
 
+<!ENTITY % local.notation.class "|PNG">
+<!NOTATION PNG SYSTEM "PNG">
+
 <!-- OS Version attributes ...............................................
 
      Each element has three attributes which specify which version(s) of