diff --git a/docs/6to4.xml b/docs/6to4.xml
index 92e2aa949..7944e7094 100644
--- a/docs/6to4.xml
+++ b/docs/6to4.xml
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article>
   <!--$Id$-->
 
@@ -112,4 +110,4 @@
     commands as listed above. The systems in both IPv6 subnetworks can now
     talk to each other using IPv6.</para>
   </section>
-</article>
\ No newline at end of file
+</article>
diff --git a/docs/Accounting.xml b/docs/Accounting.xml
index daa02dbfa..3e703a8a4 100644
--- a/docs/Accounting.xml
+++ b/docs/Accounting.xml
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article>
   <!--$Id$-->
 
@@ -366,4 +364,4 @@
       </listitem>
     </itemizedlist>
   </section>
-</article>
\ No newline at end of file
+</article>
diff --git a/docs/Actions.xml b/docs/Actions.xml
index a51fd4c94..e3601a090 100644
--- a/docs/Actions.xml
+++ b/docs/Actions.xml
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article>
   <!--$Id$-->
 
@@ -746,4 +744,4 @@ add_rule( $chainref, '-m pkttype --pkttype broadcast -j DROP' );
     <para>For a richer example, see <ulink url="PortKnocking.html">this
     article</ulink>.</para>
   </section>
-</article>
\ No newline at end of file
+</article>
diff --git a/docs/Anatomy.xml b/docs/Anatomy.xml
index f9dfd885d..fa39ae584 100644
--- a/docs/Anatomy.xml
+++ b/docs/Anatomy.xml
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article>
   <!--$Id$-->
 
@@ -544,4 +542,4 @@
       </itemizedlist>
     </section>
   </section>
-</article>
\ No newline at end of file
+</article>
diff --git a/docs/Anatomy_ru.xml b/docs/Anatomy_ru.xml
index 73ef49fb2..d97b3474f 100644
--- a/docs/Anatomy_ru.xml
+++ b/docs/Anatomy_ru.xml
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article>
   <!--$Id$-->
 
@@ -386,4 +385,4 @@
       </itemizedlist>
     </section>
   </section>
-</article>
\ No newline at end of file
+</article>
diff --git a/docs/CompiledPrograms.xml b/docs/CompiledPrograms.xml
index d8fb311a3..01949ef38 100644
--- a/docs/CompiledPrograms.xml
+++ b/docs/CompiledPrograms.xml
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article>
   <!--$Id$-->
 
@@ -758,4 +756,4 @@ CAPVERSION=30405</programlisting>
     is the level specified in the shorewall.conf file used when then program
     was compiled.</para>
   </section>
-</article>
\ No newline at end of file
+</article>
diff --git a/docs/Documentation_Index.xml b/docs/Documentation_Index.xml
index fddcf9f5f..0c5ab6510 100644
--- a/docs/Documentation_Index.xml
+++ b/docs/Documentation_Index.xml
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article>
   <!--/$Id$-->
 
@@ -354,4 +352,4 @@
       </tgroup>
     </informaltable>
   </section>
-</article>
\ No newline at end of file
+</article>
diff --git a/docs/ECN.xml b/docs/ECN.xml
index 9d193fd1b..5edde2888 100644
--- a/docs/ECN.xml
+++ b/docs/ECN.xml
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article id="ECN">
   <!--$Id$-->
 
@@ -119,4 +117,4 @@
   </section>
 
   <lot></lot>
-</article>
\ No newline at end of file
+</article>
diff --git a/docs/FAQ.xml b/docs/FAQ.xml
index f75104d18..5dfc7879c 100644
--- a/docs/FAQ.xml
+++ b/docs/FAQ.xml
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
-"http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">
 <article>
   <!--$Id$-->
 
@@ -2599,4 +2597,4 @@ loc                $FW                     ACCEPT           </programlisting>
       policies.</para>
     </section>
   </section>
-</article>
\ No newline at end of file
+</article>
diff --git a/docs/FTP.xml b/docs/FTP.xml
index 7e40a873b..9f7e58a33 100644
--- a/docs/FTP.xml
+++ b/docs/FTP.xml
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article id="FTP">
   <!--$Id$-->
 
@@ -429,4 +427,4 @@ ACCEPT:info  dmz        net             tcp       -          20</programlisting>
     <para>The above rule accepts and logs all active mode connections from my
     DMZ to the net.</para>
   </section>
-</article>
\ No newline at end of file
+</article>
diff --git a/docs/GenericTunnels.xml b/docs/GenericTunnels.xml
index 8c27305e7..168727867 100644
--- a/docs/GenericTunnels.xml
+++ b/docs/GenericTunnels.xml
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article id="GenericTunnels">
   <!--$Id$-->
 
@@ -120,4 +118,4 @@ vpn          loc         ACCEPT</programlisting>
     each system. The systems in the two masqueraded subnetworks can now talk
     to each other</para>
   </section>
-</article>
\ No newline at end of file
+</article>
diff --git a/docs/GettingStarted.xml b/docs/GettingStarted.xml
index 4780e231c..4d283244b 100644
--- a/docs/GettingStarted.xml
+++ b/docs/GettingStarted.xml
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article>
   <!--$Id$-->
 
@@ -179,4 +177,4 @@
       url="http://linuxman.wikispaces.com/PPPPPPS">http://linuxman.wikispaces.com/PPPPPPS</ulink></para>
     </listitem>
   </itemizedlist>
-</article>
\ No newline at end of file
+</article>
diff --git a/docs/GnuCopyright.xml b/docs/GnuCopyright.xml
index 3bf7bd19b..bbe317034 100644
--- a/docs/GnuCopyright.xml
+++ b/docs/GnuCopyright.xml
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE appendix PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <appendix id="gfdl">
 <title>GNU Free Documentation License</title>
 <subtitle>Version 1.2, November 2002</subtitle>
diff --git a/docs/IPIP.xml b/docs/IPIP.xml
index 2c0f56f27..48deeddb1 100644
--- a/docs/IPIP.xml
+++ b/docs/IPIP.xml
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article id="IPIP">
   <!--$Id$-->
 
@@ -169,4 +167,4 @@ vpn              loc           ACCEPT</programlisting>
     script with the <quote>start</quote> argument on each system. The systems
     in the two masqueraded subnetworks can now talk to each other</para>
   </section>
-</article>
\ No newline at end of file
+</article>
diff --git a/docs/IPP2P.xml b/docs/IPP2P.xml
index d2693ad60..bf0671e86 100644
--- a/docs/IPP2P.xml
+++ b/docs/IPP2P.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/IPSEC-2.6.xml b/docs/IPSEC-2.6.xml
index 572fdbc22..284319308 100644
--- a/docs/IPSEC-2.6.xml
+++ b/docs/IPSEC-2.6.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="IPSEC">
   <!--$Id$-->
 
diff --git a/docs/IPSEC.xml b/docs/IPSEC.xml
index d88268197..630fcb3c1 100644
--- a/docs/IPSEC.xml
+++ b/docs/IPSEC.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="IPSEC">
   <!--$Id$-->
 
diff --git a/docs/Install.xml b/docs/Install.xml
index 7de236b76..262eaa0b6 100644
--- a/docs/Install.xml
+++ b/docs/Install.xml
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article id="Install">
   <!--$Id$-->
 
@@ -630,4 +628,4 @@ tar -xzvf /mnt/package2.lrp
     <para>See <quote><ulink url="fallback.htm">Fallback and
     Uninstall</ulink></quote>.</para>
   </section>
-</article>
\ No newline at end of file
+</article>
diff --git a/docs/Introduction.xml b/docs/Introduction.xml
index ce9d7421a..6e5d4c4c4 100644
--- a/docs/Introduction.xml
+++ b/docs/Introduction.xml
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article id="usefull_links">
   <!--$Id$-->
 
@@ -410,4 +408,4 @@ ACCEPT     net           $FW       tcp        22</programlisting>
     along with this program; if not, write to the Free Software Foundation,
     Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.</para>
   </section>
-</article>
\ No newline at end of file
+</article>
diff --git a/docs/KVM.xml b/docs/KVM.xml
index 34cfa0f93..336a9b5b5 100644
--- a/docs/KVM.xml
+++ b/docs/KVM.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/MAC_Validation.xml b/docs/MAC_Validation.xml
index b785ff2f7..bda3b1f58 100644
--- a/docs/MAC_Validation.xml
+++ b/docs/MAC_Validation.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="MAC_Validation">
   <!--$Id$-->
 
diff --git a/docs/Macros.xml b/docs/Macros.xml
index e2dd90bee..255b405d1 100644
--- a/docs/Macros.xml
+++ b/docs/Macros.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article lang="en" status="">
   <!--$Id$-->
 
diff --git a/docs/Manpages.xml b/docs/Manpages.xml
index 042850e84..0819123b3 100644
--- a/docs/Manpages.xml
+++ b/docs/Manpages.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id: template.xml 5908 2007-04-12 23:04:36Z teastep $-->
 
diff --git a/docs/ManualChains.xml b/docs/ManualChains.xml
index 1c3ec342c..ea759d849 100644
--- a/docs/ManualChains.xml
+++ b/docs/ManualChains.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/Modularization.xml b/docs/Modularization.xml
index f951adae8..5536ba86c 100644
--- a/docs/Modularization.xml
+++ b/docs/Modularization.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/MultiISP.xml b/docs/MultiISP.xml
index 78621360b..0520e4791 100644
--- a/docs/MultiISP.xml
+++ b/docs/MultiISP.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--ble$Id$-->
 
diff --git a/docs/MultiISP_ru.xml b/docs/MultiISP_ru.xml
index c985eebdc..f524b4bc9 100644
--- a/docs/MultiISP_ru.xml
+++ b/docs/MultiISP_ru.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/Multiple_Zones.xml b/docs/Multiple_Zones.xml
index 7d30dba84..74b7ed7bc 100644
--- a/docs/Multiple_Zones.xml
+++ b/docs/Multiple_Zones.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="Multiple_Zones">
   <!--$Id$-->
 
diff --git a/docs/NAT.xml b/docs/NAT.xml
index 4595b8dc1..117dbbb7d 100644
--- a/docs/NAT.xml
+++ b/docs/NAT.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="NAT">
   <!--$Id$-->
 
diff --git a/docs/NetfilterOverview.xml b/docs/NetfilterOverview.xml
index af5ffb423..0b41b7587 100644
--- a/docs/NetfilterOverview.xml
+++ b/docs/NetfilterOverview.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="NetfilterOverview">
   <!--$Id$-->
 
diff --git a/docs/OPENVPN.xml b/docs/OPENVPN.xml
index 9109ea3e8..81a423890 100644
--- a/docs/OPENVPN.xml
+++ b/docs/OPENVPN.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="OPENVPN">
   <!--$Id$-->
 
diff --git a/docs/PPTP.xml b/docs/PPTP.xml
index a3b611acb..107aadce2 100644
--- a/docs/PPTP.xml
+++ b/docs/PPTP.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="PPTP">
   <!--$Id$-->
 
diff --git a/docs/PacketHandling.xml b/docs/PacketHandling.xml
index 2247114d6..72147f084 100644
--- a/docs/PacketHandling.xml
+++ b/docs/PacketHandling.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/PacketMarking.xml b/docs/PacketMarking.xml
index 849a5ab34..27a95b320 100644
--- a/docs/PacketMarking.xml
+++ b/docs/PacketMarking.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/PortKnocking.xml b/docs/PortKnocking.xml
index 35863a784..0466e9f23 100644
--- a/docs/PortKnocking.xml
+++ b/docs/PortKnocking.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/ProxyARP.xml b/docs/ProxyARP.xml
index d340ec649..d544e4a25 100644
--- a/docs/ProxyARP.xml
+++ b/docs/ProxyARP.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="ProxyARP">
   <!--$Id$-->
 
diff --git a/docs/ReleaseModel.xml b/docs/ReleaseModel.xml
index 70890d935..30b07a03d 100644
--- a/docs/ReleaseModel.xml
+++ b/docs/ReleaseModel.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/ScalabilityAndPerformance.xml b/docs/ScalabilityAndPerformance.xml
index 8830ac2ca..d7ada0a73 100644
--- a/docs/ScalabilityAndPerformance.xml
+++ b/docs/ScalabilityAndPerformance.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/Shorewall-4.xml b/docs/Shorewall-4.xml
index 32e65ffef..7a61d4027 100644
--- a/docs/Shorewall-4.xml
+++ b/docs/Shorewall-4.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/Shorewall-perl.xml b/docs/Shorewall-perl.xml
index 277e6560a..7614a8bf8 100644
--- a/docs/Shorewall-perl.xml
+++ b/docs/Shorewall-perl.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id: template.xml 4194 2006-07-07 01:04:16Z judas_iscariote $-->
 
diff --git a/docs/Shorewall_Doesnt.xml b/docs/Shorewall_Doesnt.xml
index 5f38df753..526dfca97 100644
--- a/docs/Shorewall_Doesnt.xml
+++ b/docs/Shorewall_Doesnt.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="Shorewall_Doesnt">
   <!--$Id$-->
 
diff --git a/docs/Shorewall_Squid_Usage.xml b/docs/Shorewall_Squid_Usage.xml
index 9004fba3c..b23f5426f 100644
--- a/docs/Shorewall_Squid_Usage.xml
+++ b/docs/Shorewall_Squid_Usage.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="Shorewall_Squid_Usage">
   <!--$Id$-->
 
diff --git a/docs/Shorewall_and_Aliased_Interfaces.xml b/docs/Shorewall_and_Aliased_Interfaces.xml
index 3157424aa..4913a80df 100644
--- a/docs/Shorewall_and_Aliased_Interfaces.xml
+++ b/docs/Shorewall_and_Aliased_Interfaces.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="Shorewall_and_Aliased_Interfaces">
   <!--$Id$-->
 
diff --git a/docs/Shorewall_and_Kazaa.xml b/docs/Shorewall_and_Kazaa.xml
index 14ef0c9ca..612e375c2 100644
--- a/docs/Shorewall_and_Kazaa.xml
+++ b/docs/Shorewall_and_Kazaa.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="Shorewall_and_Kazaa">
   <!--$Id$-->
 
diff --git a/docs/Shorewall_and_Routing.xml b/docs/Shorewall_and_Routing.xml
index ed45227c5..35c7249b0 100644
--- a/docs/Shorewall_and_Routing.xml
+++ b/docs/Shorewall_and_Routing.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/SimpleBridge.xml b/docs/SimpleBridge.xml
index ee75f7086..7e0c75bb5 100644
--- a/docs/SimpleBridge.xml
+++ b/docs/SimpleBridge.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/UPnP.xml b/docs/UPnP.xml
index a9e3c40fa..a2634a476 100644
--- a/docs/UPnP.xml
+++ b/docs/UPnP.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/VPN.xml b/docs/VPN.xml
index e31c41bb2..af7240dc4 100644
--- a/docs/VPN.xml
+++ b/docs/VPN.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="VPN">
   <!--$Id$-->
 
diff --git a/docs/VPNBasics.xml b/docs/VPNBasics.xml
index cffe76b8f..6aca1d72e 100644
--- a/docs/VPNBasics.xml
+++ b/docs/VPNBasics.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/XenMyWay-Routed.xml b/docs/XenMyWay-Routed.xml
index e3353978c..0692467c1 100644
--- a/docs/XenMyWay-Routed.xml
+++ b/docs/XenMyWay-Routed.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/XenMyWay.xml b/docs/XenMyWay.xml
index 08c0ea0d9..776fa7040 100644
--- a/docs/XenMyWay.xml
+++ b/docs/XenMyWay.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/blacklisting_support.xml b/docs/blacklisting_support.xml
index 7ba6e0151..582e7326a 100644
--- a/docs/blacklisting_support.xml
+++ b/docs/blacklisting_support.xml
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article>
   <!--$Id$-->
 
diff --git a/docs/blacklisting_support_ru.xml b/docs/blacklisting_support_ru.xml
index 06222bf5f..e8c88e85a 100644
--- a/docs/blacklisting_support_ru.xml
+++ b/docs/blacklisting_support_ru.xml
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article>
   <!--$Id: blacklisting_support.xml 6774 2007-07-04 00:10:35Z teastep $-->
 
diff --git a/docs/bridge-Shorewall-perl.xml b/docs/bridge-Shorewall-perl.xml
index 8878d59ca..be738e16f 100644
--- a/docs/bridge-Shorewall-perl.xml
+++ b/docs/bridge-Shorewall-perl.xml
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article>
   <!--$Id$-->
 
@@ -721,4 +719,4 @@ ACCEPT            $FW              $DMZ             tcp              53       </
     <para>Bridging doesn't work with some wireless cards — see <ulink
     url="http://bridge.sf.net">http://bridge.sf.net</ulink>.</para>
   </section>
-</article>
\ No newline at end of file
+</article>
diff --git a/docs/configuration_file_basics.xml b/docs/configuration_file_basics.xml
index 45e2f621f..665ecc42f 100644
--- a/docs/configuration_file_basics.xml
+++ b/docs/configuration_file_basics.xml
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article>
   <!--$Id$-->
 
@@ -1087,4 +1085,4 @@ DNAT       net        loc:192.168.1.3 tcp       4000:4100</programlisting>
       one.</para>
     </warning>
   </section>
-</article>
\ No newline at end of file
+</article>
diff --git a/docs/dhcp.xml b/docs/dhcp.xml
index 6b0797bb4..f5be6875c 100644
--- a/docs/dhcp.xml
+++ b/docs/dhcp.xml
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article>
   <!--$Id$-->
 
@@ -155,4 +153,4 @@
       </listitem>
     </itemizedlist>
   </section>
-</article>
\ No newline at end of file
+</article>
diff --git a/docs/fallback.xml b/docs/fallback.xml
index a92e98b75..cbc71594e 100644
--- a/docs/fallback.xml
+++ b/docs/fallback.xml
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <article>
   <!--$Id$-->
 
@@ -113,4 +111,4 @@
       </listitem>
     </itemizedlist>
   </section>
-</article>
\ No newline at end of file
+</article>
diff --git a/docs/ipsets.xml b/docs/ipsets.xml
index 96b7c66e3..f1750ff12 100644
--- a/docs/ipsets.xml
+++ b/docs/ipsets.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/kernel.xml b/docs/kernel.xml
index 04aba17b3..a29f2bd3b 100644
--- a/docs/kernel.xml
+++ b/docs/kernel.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/netmap.xml b/docs/netmap.xml
index 39119f1af..ac8ace493 100644
--- a/docs/netmap.xml
+++ b/docs/netmap.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/ping.xml b/docs/ping.xml
index eb7ed4ca0..81e5859f0 100644
--- a/docs/ping.xml
+++ b/docs/ping.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <articleinfo>
     <title>ICMP Echo-request (Ping)</title>
diff --git a/docs/ports.xml b/docs/ports.xml
index 8a7630da4..f49f7a596 100644
--- a/docs/ports.xml
+++ b/docs/ports.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <articleinfo>
     <title>Ports Required for Various Services/Applications</title>
diff --git a/docs/quotes.xml b/docs/quotes.xml
index fd2589d1e..f9d275b5f 100644
--- a/docs/quotes.xml
+++ b/docs/quotes.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="quotes">
   <!--$Id$-->
 
diff --git a/docs/samba.xml b/docs/samba.xml
index c556d0d32..0bddf3403 100644
--- a/docs/samba.xml
+++ b/docs/samba.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/shorewall_extension_scripts.xml b/docs/shorewall_extension_scripts.xml
index de2e3ac9d..f1c6005c8 100644
--- a/docs/shorewall_extension_scripts.xml
+++ b/docs/shorewall_extension_scripts.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/shorewall_features.xml b/docs/shorewall_features.xml
index 0eb022037..477ed7d71 100644
--- a/docs/shorewall_features.xml
+++ b/docs/shorewall_features.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="shorewall_features">
   <!--$Id$-->
 
diff --git a/docs/shorewall_logging.xml b/docs/shorewall_logging.xml
index 7fce572b9..b3cfac316 100644
--- a/docs/shorewall_logging.xml
+++ b/docs/shorewall_logging.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="IPIP">
   <!--$Id$-->
 
diff --git a/docs/shorewall_prerequisites.xml b/docs/shorewall_prerequisites.xml
index d110c4b85..f8bf3f65c 100644
--- a/docs/shorewall_prerequisites.xml
+++ b/docs/shorewall_prerequisites.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="shorewall_prerequisites">
   <!--$Id$-->
 
diff --git a/docs/shorewall_quickstart_guide.xml b/docs/shorewall_quickstart_guide.xml
index bc2465141..43ae8f0c9 100644
--- a/docs/shorewall_quickstart_guide.xml
+++ b/docs/shorewall_quickstart_guide.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="IPIP">
   <!--$Id$-->
 
diff --git a/docs/shorewall_setup_guide.xml b/docs/shorewall_setup_guide.xml
index e50fbbdaa..a89322204 100644
--- a/docs/shorewall_setup_guide.xml
+++ b/docs/shorewall_setup_guide.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="IPIP">
   <!--$Id$-->
 
diff --git a/docs/standalone.xml b/docs/standalone.xml
index 57a39b659..4a9d71760 100644
--- a/docs/standalone.xml
+++ b/docs/standalone.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="standalone">
   <!--$Id$-->
 
diff --git a/docs/standalone_ru.xml b/docs/standalone_ru.xml
index 08ba185b6..bb9ef6997 100644
--- a/docs/standalone_ru.xml
+++ b/docs/standalone_ru.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="standalone">
   <!--$Id$-->
 
diff --git a/docs/starting_and_stopping_shorewall.xml b/docs/starting_and_stopping_shorewall.xml
index 9a1950066..dba8e1869 100644
--- a/docs/starting_and_stopping_shorewall.xml
+++ b/docs/starting_and_stopping_shorewall.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/support.xml b/docs/support.xml
index dbca14617..a2c78113c 100644
--- a/docs/support.xml
+++ b/docs/support.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="IPIP">
   <!--$Id$-->
 
diff --git a/docs/survey-200603.xml b/docs/survey-200603.xml
index a89406d0f..12a10035b 100644
--- a/docs/survey-200603.xml
+++ b/docs/survey-200603.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id: template.xml 3517 2006-02-22 22:54:59Z judas_iscariote $-->
 
diff --git a/docs/template.xml b/docs/template.xml
index beaf08f6a..fe6b1f807 100644
--- a/docs/template.xml
+++ b/docs/template.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/three-interface.xml b/docs/three-interface.xml
index b9c736897..1e4aa7f66 100644
--- a/docs/three-interface.xml
+++ b/docs/three-interface.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="three-interface">
   <!--$Id$-->
 
diff --git a/docs/three-interface_ru.xml b/docs/three-interface_ru.xml
index 085e74fba..9424fb0de 100644
--- a/docs/three-interface_ru.xml
+++ b/docs/three-interface_ru.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="three-interface">
   <!--$Id$-->
 
diff --git a/docs/traffic_shaping.xml b/docs/traffic_shaping.xml
index c18e99b93..24b15f05d 100644
--- a/docs/traffic_shaping.xml
+++ b/docs/traffic_shaping.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/traffic_shaping_ru.xml b/docs/traffic_shaping_ru.xml
index ffdaad917..8933131eb 100644
--- a/docs/traffic_shaping_ru.xml
+++ b/docs/traffic_shaping_ru.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article>
   <!--$Id$-->
 
diff --git a/docs/troubleshoot.xml b/docs/troubleshoot.xml
index d35b89b14..3f50d030e 100644
--- a/docs/troubleshoot.xml
+++ b/docs/troubleshoot.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="usefull_links">
   <!--$Id$-->
 
diff --git a/docs/two-interface.xml b/docs/two-interface.xml
index 1f64e19aa..a6cac2b57 100644
--- a/docs/two-interface.xml
+++ b/docs/two-interface.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <!-- $Id$ -->
 <article id="two-interface">
   <articleinfo>
diff --git a/docs/two-interface_ru.xml b/docs/two-interface_ru.xml
index 7705b71ab..e8b710ce4 100644
--- a/docs/two-interface_ru.xml
+++ b/docs/two-interface_ru.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <!-- $Id$ -->
 <article id="two-interface">
   <articleinfo>
diff --git a/docs/upgrade_issues.xml b/docs/upgrade_issues.xml
index 204d56c38..5ff29fbb0 100644
--- a/docs/upgrade_issues.xml
+++ b/docs/upgrade_issues.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <!-- $Id$ -->
 <article id="upgrade_issues">
   <articleinfo>
diff --git a/docs/useful_links.xml b/docs/useful_links.xml
index 0425535d7..11dcb0d5b 100644
--- a/docs/useful_links.xml
+++ b/docs/useful_links.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <article id="usefull_links">
   <!-- $Id$ -->
 
diff --git a/docs/whitelisting_under_shorewall.xml b/docs/whitelisting_under_shorewall.xml
index a4d9414c5..0e98b5dc2 100644
--- a/docs/whitelisting_under_shorewall.xml
+++ b/docs/whitelisting_under_shorewall.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+
 <!-- $Id$ -->
 <article id="whitelisting_under_shorewall">
   <articleinfo>