diff --git a/docbook-xml/4.1.2-add-catalog.all.patch b/docbook-xml/4.1.2-add-catalog.all.patch
new file mode 100644
index 00000000..ea5c8947
--- /dev/null
+++ b/docbook-xml/4.1.2-add-catalog.all.patch
@@ -0,0 +1,69 @@
+--- /dev/null	2013-07-25 10:36:14.000000000 +0000
++++ docbook-xml-4.1.2/catalog.xml	2013-07-25 10:35:44.109659700 +0000
+@@ -0,0 +1,66 @@
++<?xml version='1.0'?>
++<!DOCTYPE catalog PUBLIC "-//OASIS//DTD Entity Resolution XML Catalog V1.0//EN"
++    "http://www.oasis-open.org/committees/entity/release/1.0/catalog.dtd">
++
++<catalog xmlns="urn:oasis:names:tc:entity:xmlns:xml:catalog">
++
++<!-- ...................................................................... -->
++<!-- XML Catalog data for DocBook XML V4.1.2............................... -->
++<!-- File catalog.xml ..................................................... -->
++
++<!-- Please direct all questions, bug reports, or suggestions for
++     changes to the docbook@lists.oasis-open.org mailing list. For more
++     information, see http://www.oasis-open.org/.
++  -->
++
++<!-- This is the catalog data file for DocBook V4.1.2. It is provided as
++     a convenience in building your own catalog files. You need not use
++     the filenames listed here, and need not use the filename method of
++     identifying storage objects at all.  See the documentation for
++     detailed information on the files associated with the DocBook DTD.
++     See XML Catalogs at http://www.oasis-open.org/committees/entity/ for
++     detailed information on supplying and using catalog data.
++  -->
++
++<!-- ...................................................................... -->
++<!-- DocBook driver file .................................................. -->
++
++<public publicId="-//OASIS//DTD DocBook XML V4.1.2//EN"
++        uri="docbookx.dtd"/>
++
++<system systemId="http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd"
++        uri="docbookx.dtd"/>
++
++<system systemId="http://docbook.org/xml/4.1.2/docbookx.dtd"
++        uri="docbookx.dtd"/>
++
++<!-- ...................................................................... -->
++<!-- DocBook modules ...................................................... -->
++
++<public publicId="-//OASIS//DTD DocBook CALS Table Model V4.1.2//EN"
++        uri="calstblx.dtd"/>
++
++  <!-- already included in docbook 4.2
++<public publicId="-//OASIS//DTD XML Exchange Table Model 19990315//EN"
++        uri="soextblx.dtd"/> -->
++
++<public publicId="-//OASIS//ELEMENTS DocBook XML Information Pool V4.1.2//EN"
++        uri="dbpoolx.mod"/>
++
++<public publicId="-//OASIS//ELEMENTS DocBook Document Hierarchy V4.1.2//EN"
++        uri="dbhierx.mod"/>
++
++<public publicId="-//OASIS//ENTITIES DocBook Additional General Entities V4.1.2//EN"
++        uri="dbgenent.mod"/>
++
++<public publicId="-//OASIS//ENTITIES DocBook Notations V4.1.2//EN"
++        uri="dbnotnx.mod"/>
++
++<public publicId="-//OASIS//ENTITIES DocBook Character Entities V4.1.2//EN"
++        uri="dbcentx.mod"/>
++
++
++<!-- End of catalog data for DocBook XML V4.1.2 ............................. -->
++<!-- ...................................................................... -->
++
++</catalog>
diff --git a/docbook-xml/4.2-Add-system.all.patch b/docbook-xml/4.2-Add-system.all.patch
new file mode 100644
index 00000000..4814ddf2
--- /dev/null
+++ b/docbook-xml/4.2-Add-system.all.patch
@@ -0,0 +1,15 @@
+--- docbook-xml-4.2/catalog.xml.orig	2002-07-17 20:14:41 +0400
++++ docbook-xml-4.2/catalog.xml	2012-08-17 09:33:15 +0400
+@@ -25,6 +25,12 @@
+ <public publicId="-//OASIS//DTD DocBook XML V4.2//EN"
+         uri="docbookx.dtd"/>
+ 
++<system systemId="http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"
++        uri="docbookx.dtd"/>
++
++<system systemId="http://docbook.org/xml/4.2/docbookx.dtd"
++        uri="docbookx.dtd"/>
++
+ <!-- ...................................................................... -->
+ <!-- DocBook modules ...................................................... -->
+ 
diff --git a/docbook-xml/4.3-Add-system-and-htmltbl.all.patch b/docbook-xml/4.3-Add-system-and-htmltbl.all.patch
new file mode 100644
index 00000000..f1e32aa0
--- /dev/null
+++ b/docbook-xml/4.3-Add-system-and-htmltbl.all.patch
@@ -0,0 +1,24 @@
+--- docbook-xml-4.3/catalog.xml.orig	2004-03-31 15:22:12 +0400
++++ docbook-xml-4.3/catalog.xml	2012-04-01 08:28:53 +0400
+@@ -25,12 +25,21 @@
+ <public publicId="-//OASIS//DTD DocBook XML V4.3//EN"
+         uri="docbookx.dtd"/>
+ 
++<system systemId="http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd"
++        uri="docbookx.dtd"/>
++
++<system systemId="http://docbook.org/xml/4.3/docbookx.dtd"
++        uri="docbookx.dtd"/>
++
+ <!-- ...................................................................... -->
+ <!-- DocBook modules ...................................................... -->
+ 
+ <public publicId="-//OASIS//DTD DocBook CALS Table Model V4.3//EN"
+         uri="calstblx.dtd"/>
+ 
++<public publicId="-//OASIS//ELEMENTS DocBook XML HTML Tables V4.3//EN"
++        uri="htmltblx.mod"/>
++
+ <public publicId="-//OASIS//DTD XML Exchange Table Model 19990315//EN"
+         uri="soextblx.dtd"/>
+ 
diff --git a/docbook-xml/LICENSE b/docbook-xml/LICENSE
new file mode 100644
index 00000000..e3482f01
--- /dev/null
+++ b/docbook-xml/LICENSE
@@ -0,0 +1,24 @@
+     Copyright 1992-2006 HaL Computer Systems, Inc.,
+     O'Reilly & Associates, Inc., ArborText, Inc., Fujitsu Software
+     Corporation, Norman Walsh, Sun Microsystems, Inc., and the
+     Organization for the Advancement of Structured Information
+     Standards (OASIS).
+
+     See also http://docbook.org/specs/
+
+     Permission to use, copy, modify and distribute the DocBook XML DTD
+     and its accompanying documentation for any purpose and without fee
+     is hereby granted in perpetuity, provided that the above copyright
+     notice and this paragraph appear in all copies.  The copyright
+     holders make no representation about the suitability of the DTD for
+     any purpose.  It is provided "as is" without expressed or implied
+     warranty.
+
+     If you modify the DocBook DTD in any way, except for declaring and
+     referencing additional sets of general entities and declaring
+     additional notations, label your DTD as a variant of DocBook.  See
+     the maintenance documentation for more information.
+
+     Please direct all questions, bug reports, or suggestions for
+     changes to the docbook@lists.oasis-open.org mailing list. For more
+     information, see http://www.oasis-open.org/docbook/.
diff --git a/docbook-xml/PKGBUILD b/docbook-xml/PKGBUILD
new file mode 100644
index 00000000..03c103c2
--- /dev/null
+++ b/docbook-xml/PKGBUILD
@@ -0,0 +1,293 @@
+# Maintainer: Alexey Pavlov <Alexpux@gmail.com>
+
+pkgname=docbook-xml
+pkgver=4.5
+pkgrel=1
+pkgdesc="A widely used XML scheme for writing documentation and help"
+arch=('any')
+url="http://www.oasis-open.org/docbook/"
+license=('MIT')
+depends=('libxml2')
+install=docbook-xml.install
+source=('http://www.docbook.org/xml/4.5/docbook-xml-4.5.zip'
+        'http://www.docbook.org/xml/4.4/docbook-xml-4.4.zip'
+        'http://www.docbook.org/xml/4.3/docbook-xml-4.3.zip'
+        'http://www.docbook.org/xml/4.2/docbook-xml-4.2.zip'
+        'http://www.docbook.org/xml/4.1.2/docbkx412.zip'
+        'LICENSE'
+        '4.1.2-add-catalog.all.patch'
+        '4.2-Add-system.all.patch'
+        '4.3-Add-system-and-htmltbl.all.patch')
+noextract=('docbook-xml-4.5.zip' 'docbook-xml-4.4.zip' 'docbook-xml-4.3.zip' 'docbook-xml-4.2.zip' 'docbkx412.zip')
+md5sums=('03083e288e87a7e829e437358da7ef9e'
+         'cbb04e9a700955d88c50962ef22c1634'
+         'ab200202b9e136a144db1e0864c45074'
+         '73fe50dfe74ca631c1602f558ed8961f'
+         '900d7609fb7e6d78901b357e4acfbc17'
+         '50e1eea70bc071b812e963e65af6707e'
+         '12aa076713322eed209b2aced44901b3'
+         'b33fdc80958f28c3c777cfc330a87741'
+         'd2ed39f57ea13ca8306c1e0d15149726')
+
+package() {
+
+  for ver in 4.2 4.3 4.4 4.5; do
+    mkdir docbook-xml-${ver}
+    pushd docbook-xml-${ver}
+    bsdtar xf "${startdir}/docbook-xml-${ver}.zip"
+    case $ver in
+      4.2)
+        patch -p1 -i ${srcdir}/4.2-Add-system.all.patch
+      ;;
+      4.3)
+        patch -p1 -i ${srcdir}/4.3-Add-system-and-htmltbl.all.patch
+      ;;
+      4.4)
+      ;;
+      4.5)
+      ;;
+    esac
+    mkdir -p "${pkgdir}/usr/share/xml/docbook/xml-dtd-${ver}"
+    cp -dRf docbook.cat *.dtd ent/ *.mod \
+        "${pkgdir}/usr/share/xml/docbook/xml-dtd-${ver}/"
+    popd
+  done
+  mkdir docbook-xml-4.1.2
+  pushd docbook-xml-4.1.2
+  bsdtar xf "${startdir}/docbkx412.zip"
+  patch -p1 -i ${srcdir}/4.1.2-add-catalog.all.patch
+  mkdir -p "${pkgdir}/usr/share/xml/docbook/xml-dtd-4.1.2"
+  cp -dRf docbook.cat *.dtd ent/ *.mod \
+      "${pkgdir}/usr/share/xml/docbook/xml-dtd-4.1.2/"
+  popd
+
+  mkdir -p "${pkgdir}/etc/xml"
+  xmlcatalog --noout --create "${pkgdir}/etc/xml/docbook-xml"
+
+  # V4.1.2
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//DTD DocBook XML V4.1.2//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//DTD DocBook XML CALS Table Model V4.1.2//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.1.2/calstblx.dtd" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//DTD DocBook XML CALS Table Model V4.1.2//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.1.2/calstblx.dtd" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//DTD XML Exchange Table Model 19990315//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.1.2/soextblx.dtd" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ELEMENTS DocBook XML Information Pool V4.1.2//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.1.2/dbpoolx.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ELEMENTS DocBook XML Document Hierarchy V4.1.2//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.1.2/dbhierx.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ENTITIES DocBook XML Additional General Entities V4.1.2//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.1.2/dbgenent.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ENTITIES DocBook XML Notations V4.1.2//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.1.2/dbnotnx.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ENTITIES DocBook XML Character Entities V4.1.2//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.1.2/dbcentx.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "rewriteSystem" \
+    "http://www.oasis-open.org/docbook/xml/4.1.2" \
+    "file:///usr/share/xml/docbook/xml-dtd-4.1.2" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "rewriteURI" \
+    "http://www.oasis-open.org/docbook/xml/4.1.2" \
+    "file:///usr/share/xml/docbook/xml-dtd-4.1.2" \
+    "${pkgdir}/etc/xml/docbook-xml"
+
+  # V4.2
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//DTD DocBook XML V4.2//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//DTD DocBook CALS Table Model V4.2//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.2/calstblx.dtd" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//DTD XML Exchange Table Model 19990315//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.2/soextblx.dtd" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ELEMENTS DocBook Information Pool V4.2//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.2/dbpoolx.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ELEMENTS DocBook Document Hierarchy V4.2//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.2/dbhierx.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ENTITIES DocBook Additional General Entities V4.2//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.2/dbgenent.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ENTITIES DocBook Notations V4.2//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.2/dbnotnx.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ENTITIES DocBook Character Entities V4.2//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.2/dbcentx.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "rewriteSystem" \
+    "http://www.oasis-open.org/docbook/xml/4.2" \
+    "file:///usr/share/xml/docbook/xml-dtd-4.2" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "rewriteURI" \
+    "http://www.oasis-open.org/docbook/xml/4.2" \
+    "file:///usr/share/xml/docbook/xml-dtd-4.2" \
+    "${pkgdir}/etc/xml/docbook-xml"
+
+  # V4.3
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//DTD DocBook XML V4.3//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//DTD DocBook CALS Table Model V4.3//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.3/calstblx.dtd" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//DTD XML Exchange Table Model 19990315//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.3/soextblx.dtd" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ELEMENTS DocBook Information Pool V4.3//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.3/dbpoolx.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ELEMENTS DocBook Document Hierarchy V4.3//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.3/dbhierx.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ENTITIES DocBook Additional General Entities V4.3//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.3/dbgenent.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ENTITIES DocBook Notations V4.3//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.3/dbnotnx.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ENTITIES DocBook Character Entities V4.3//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.3/dbcentx.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "rewriteSystem" \
+    "http://www.oasis-open.org/docbook/xml/4.3" \
+    "file:///usr/share/xml/docbook/xml-dtd-4.3" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "rewriteURI" \
+    "http://www.oasis-open.org/docbook/xml/4.3" \
+    "file:///usr/share/xml/docbook/xml-dtd-4.3" \
+    "${pkgdir}/etc/xml/docbook-xml"
+
+  # V4.4
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//DTD DocBook XML V4.4//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//DTD DocBook CALS Table Model V4.4//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.4/calstblx.dtd" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ELEMENTS DocBook XML HTML Tables V4.4//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.4/htmltblx.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//DTD XML Exchange Table Model 19990315//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.4/soextblx.dtd" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ELEMENTS DocBook Information Pool V4.4//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.4/dbpoolx.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ELEMENTS DocBook Document Hierarchy V4.4//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.4/dbhierx.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ENTITIES DocBook Additional General Entities V4.4//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.4/dbgenent.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ENTITIES DocBook Notations V4.4//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.4/dbnotnx.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ENTITIES DocBook Character Entities V4.4//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.4/dbcentx.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "rewriteSystem" \
+    "http://www.oasis-open.org/docbook/xml/4.4" \
+    "file:///usr/share/xml/docbook/xml-dtd-4.4" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "rewriteURI" \
+    "http://www.oasis-open.org/docbook/xml/4.4" \
+    "file:///usr/share/xml/docbook/xml-dtd-4.4" \
+    "${pkgdir}/etc/xml/docbook-xml"
+
+  # V4.5
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//DTD DocBook XML V4.5//EN" \
+    "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//DTD DocBook XML CALS Table Model V4.5//EN" \
+    "file:///usr/share/xml/docbook/xml-dtd-4.5/calstblx.dtd" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//DTD XML Exchange Table Model 19990315//EN" \
+    "file:///usr/share/xml/docbook/xml-dtd-4.5/soextblx.dtd" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ELEMENTS DocBook XML Information Pool V4.5//EN" \
+    "file:///usr/share/xml/docbook/xml-dtd-4.5/dbpoolx.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ELEMENTS DocBook XML Document Hierarchy V4.5//EN" \
+    "file:///usr/share/xml/docbook/xml-dtd-4.5/dbhierx.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ELEMENTS DocBook XML HTML Tables V4.5//EN" \
+    "file:///usr/share/xml/docbook/xml-dtd-4.5/htmltblx.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ENTITIES DocBook XML Notations V4.5//EN" \
+    "file:///usr/share/xml/docbook/xml-dtd-4.5/dbnotnx.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ENTITIES DocBook XML Character Entities V4.5//EN" \
+    "file:///usr/share/xml/docbook/xml-dtd-4.5/dbcentx.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "public" \
+    "-//OASIS//ENTITIES DocBook XML Additional General Entities V4.5//EN" \
+    "file:///usr/share/xml/docbook/xml-dtd-4.5/dbgenent.mod" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "rewriteSystem" \
+    "http://www.oasis-open.org/docbook/xml/4.5" \
+    "file:///usr/share/xml/docbook/xml-dtd-4.5" \
+    "${pkgdir}/etc/xml/docbook-xml"
+  xmlcatalog --noout --add "rewriteURI" \
+    "http://www.oasis-open.org/docbook/xml/4.5" \
+    "file:///usr/share/xml/docbook/xml-dtd-4.5" \
+    "${pkgdir}/etc/xml/docbook-xml"
+
+# license
+  install -D -m644 "${srcdir}/LICENSE" "${pkgdir}/usr/share/licenses/${pkgname}/LICENSE"
+ 
+  mv -f ${pkgdir}/etc ${pkgdir}/usr/
+}
diff --git a/docbook-xml/docbook-xml.install b/docbook-xml/docbook-xml.install
new file mode 100644
index 00000000..97a6243c
--- /dev/null
+++ b/docbook-xml/docbook-xml.install
@@ -0,0 +1,42 @@
+post_install() {
+  if [ -e etc/xml/catalog.preserve ]; then
+    mv etc/xml/catalog.preserve etc/xml/catalog
+  elif [ ! -e etc/xml/catalog ]; then
+    xmlcatalog --noout --create etc/xml/catalog
+  fi
+  xmlcatalog --noout --add "delegatePublic" \
+    "-//OASIS//ENTITIES DocBook XML" \
+    "file:///etc/xml/docbook-xml" \
+    etc/xml/catalog
+  xmlcatalog --noout --add "delegatePublic" \
+    "-//OASIS//DTD DocBook XML" \
+    "file:///etc/xml/docbook-xml" \
+    etc/xml/catalog
+  xmlcatalog --noout --add "delegateSystem" \
+    "http://www.oasis-open.org/docbook/" \
+    "file:///etc/xml/docbook-xml" \
+    etc/xml/catalog
+  xmlcatalog --noout --add "delegateURI" \
+    "http://www.oasis-open.org/docbook/" \
+    "file:///etc/xml/docbook-xml" \
+    etc/xml/catalog
+}
+
+# arg 1:  the new package version
+# arg 2:  the old package version
+pre_upgrade() {
+  if [ $(vercmp $2 4.5) -lt 0 ]; then
+    xmlcatalog --del "file:///etc/xml/docbook" etc/xml/catalog > etc/xml/catalog.preserve
+  fi
+}
+
+post_upgrade() {
+  if [ $(vercmp $2 4.5) -ge 0 ]; then
+    post_remove
+  fi
+  post_install
+}
+
+post_remove() {
+  xmlcatalog --noout --del file:///etc/xml/docbook-xml etc/xml/catalog
+}