diff --git a/office/docbook/docbook-xml/actions.py b/office/docbook/docbook-xml/actions.py
index 9a44009d..388eaa3f 100644
--- a/office/docbook/docbook-xml/actions.py
+++ b/office/docbook/docbook-xml/actions.py
@@ -37,16 +37,25 @@ def install():
         pisitools.insinto("/usr/share/xml/docbook/xml-dtd-%s/ent" % version, "4.4/ent/*.ent")
         
     for version in ["4.5"]:
-        pisitools.insinto("/usr/share/xml/docbook/xml-dtd-%s" % version, "*.dtd")
-        pisitools.insinto("/usr/share/xml/docbook/xml-dtd-%s" % version, "*.mod")
-        pisitools.insinto("/usr/share/xml/docbook/xml-dtd-%s" % version, "docbook.cat")
-        pisitools.insinto("/usr/share/xml/docbook/xml-dtd-%s/ent" % version, "ent/*.ent")
+        pisitools.insinto("/usr/share/xml/docbook/xml-dtd-%s" % version, "4.5/*.dtd")
+        pisitools.insinto("/usr/share/xml/docbook/xml-dtd-%s" % version, "4.5/*.mod")
+        pisitools.insinto("/usr/share/xml/docbook/xml-dtd-%s" % version, "4.5/docbook.cat")
+        pisitools.insinto("/usr/share/xml/docbook/xml-dtd-%s/ent" % version, "4.5/ent/*.ent")
         
     for version in ["5.0"]:
-        pisitools.insinto("/usr/share/xml/docbook/xml-dtd-%s/dtd" % version, "docbook-5.0/dtd/*.dtd")
-        pisitools.insinto("/usr/share/xml/docbook/xml-dtd-%s/rng" % version, "docbook-5.0/rng/*.rng")
-        pisitools.insinto("/usr/share/xml/docbook/xml-dtd-%s/rng" % version, "docbook-5.0/rng/*.rnc")
-        pisitools.insinto("/usr/share/xml/docbook/xml-dtd-%s/xsd" % version, "docbook-5.0/xsd/*.xsd")
-        pisitools.insinto("/usr/share/xml/docbook/xml-dtd-%s/sch" % version, "docbook-5.0/sch/*.sch")
-    
+        pisitools.insinto("/usr/share/xml/docbook/schema/dtd/%s/" % version, "docbook-5.0/dtd/*.dtd")
+        pisitools.insinto("/usr/share/xml/docbook/schema/rng/%s/" % version, "docbook-5.0/rng/*.rng")
+        pisitools.insinto("/usr/share/xml/docbook/schema/rng/%s/" % version, "docbook-5.0/rng/*.rnc")
+        pisitools.insinto("/usr/share/xml/docbook/schema/xsd/%s/" % version, "docbook-5.0/xsd/*.xsd")
+        pisitools.insinto("/usr/share/xml/docbook/schema/sch/%s/" % version, "docbook-5.0/sch/*.sch")
+
+    for version in ["5.1"]:
+        pisitools.insinto("/usr/share/xml/docbook/schema/sch/%s/" % version, "5.1/schemas/*.xml")
+        pisitools.insinto("/usr/share/xml/docbook/schema/rng/%s/" % version, "5.1/schemas/rng/*.rng")
+        pisitools.insinto("/usr/share/xml/docbook/schema/rng/%s/" % version, "5.1/schemas/rng/*.rnc")
+        pisitools.insinto("/usr/share/xml/docbook/schema/sch/%s/" % version, "5.1/schemas/sch/*.sch")
+        pisitools.insinto("/usr/share/xml/docbook/stylesheet/docbook5", "5.1/tools/db4-upgrade.xsl")
+        pisitools.dobin("5.1/tools/db4-entities.pl")
+
+    shelltools.cd("docbook-5.0")
     pisitools.dodoc("ChangeLog", "README")
diff --git a/office/docbook/docbook-xml/files/5.0/dtd/catalog.xml b/office/docbook/docbook-xml/files/5.0/dtd/catalog.xml
new file mode 100644
index 00000000..4de047f6
--- /dev/null
+++ b/office/docbook/docbook-xml/files/5.0/dtd/catalog.xml
@@ -0,0 +1,6 @@
+<?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">
+  <public publicId="-//OASIS//DTD DocBook XML 5.0//EN" uri="docbook.dtd"/>
+  <system systemId="http://www.oasis-open.org/docbook/xml/5.0/dtd/docbook.dtd" uri="docbook.dtd"/>
+</catalog>
diff --git a/office/docbook/docbook-xml/files/5.0/rng/catalog.xml b/office/docbook/docbook-xml/files/5.0/rng/catalog.xml
new file mode 100644
index 00000000..6e1e9b3e
--- /dev/null
+++ b/office/docbook/docbook-xml/files/5.0/rng/catalog.xml
@@ -0,0 +1,12 @@
+<?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">
+  <uri name="http://docbook.org/xml/5.0/rng/docbook.rng" uri="docbook.rng"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.0/rng/docbook.rng" uri="docbook.rng"/>
+  <uri name="http://docbook.org/xml/5.0/rng/docbookxi.rng" uri="docbookxi.rng"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.0/rng/docbookxi.rng" uri="docbookxi.rng"/>
+  <uri name="http://docbook.org/xml/5.0/rng/docbook.rnc" uri="docbook.rnc"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.0/rng/docbook.rnc" uri="docbook.rnc"/>
+  <uri name="http://docbook.org/xml/5.0/rng/docbookxi.rnc" uri="docbookxi.rnc"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.0/rng/docbookxi.rnc" uri="docbookxi.rnc"/>
+</catalog>
diff --git a/office/docbook/docbook-xml/files/5.0/sch/catalog.xml b/office/docbook/docbook-xml/files/5.0/sch/catalog.xml
new file mode 100644
index 00000000..60985e9c
--- /dev/null
+++ b/office/docbook/docbook-xml/files/5.0/sch/catalog.xml
@@ -0,0 +1,6 @@
+<?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">
+  <uri name="http://docbook.org/xml/5.0/sch/docbook.sch" uri="docbook.sch"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.0/sch/docbook.sch" uri="docbook.sch"/>
+</catalog>
diff --git a/office/docbook/docbook-xml/files/5.0/xsd/catalog.xml b/office/docbook/docbook-xml/files/5.0/xsd/catalog.xml
new file mode 100644
index 00000000..6c4749ba
--- /dev/null
+++ b/office/docbook/docbook-xml/files/5.0/xsd/catalog.xml
@@ -0,0 +1,12 @@
+<?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">
+  <uri name="http://docbook.org/xml/5.0/xsd/docbook.xsd" uri="docbook.xsd"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.0/xsd/docbook.xsd" uri="docbook.xsd"/>
+  <uri name="http://docbook.org/xml/5.0/xsd/docbookxi.xsd" uri="docbookxi.xsd"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.0/xsd/docbookxi.xsd" uri="docbookxi.xsd"/>
+  <uri name="http://docbook.org/xml/5.0/xsd/xlink.xsd" uri="xlink.xsd"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.0/xsd/xlink.xsd" uri="xlink.xsd"/>
+  <uri name="http://docbook.org/xml/5.0/xsd/xml.xsd" uri="xml.xsd"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.0/xsd/xml.xsd" uri="xml.xsd"/>
+</catalog>
diff --git a/office/docbook/docbook-xml/files/5.1/rng/catalog.xml b/office/docbook/docbook-xml/files/5.1/rng/catalog.xml
new file mode 100644
index 00000000..3995de79
--- /dev/null
+++ b/office/docbook/docbook-xml/files/5.1/rng/catalog.xml
@@ -0,0 +1,12 @@
+<?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">
+  <uri name="http://docbook.org/xml/5.1/schemas/rng/docbook.schemas/rng" uri="docbook.schemas/rng"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.1/schemas/rng/docbook.schemas/rng" uri="docbook.schemas/rng"/>
+  <uri name="http://docbook.org/xml/5.1/schemas/rng/docbookxi.schemas/rng" uri="docbookxi.schemas/rng"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.1/schemas/rng/docbookxi.schemas/rng" uri="docbookxi.schemas/rng"/>
+  <uri name="http://docbook.org/xml/5.1/schemas/rng/docbook.rnc" uri="docbook.rnc"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.1/schemas/rng/docbook.rnc" uri="docbook.rnc"/>
+  <uri name="http://docbook.org/xml/5.1/schemas/rng/docbookxi.rnc" uri="docbookxi.rnc"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.1/schemas/rng/docbookxi.rnc" uri="docbookxi.rnc"/>
+</catalog>
diff --git a/office/docbook/docbook-xml/files/catalog.xml b/office/docbook/docbook-xml/files/catalog.xml
new file mode 100644
index 00000000..84f482e8
--- /dev/null
+++ b/office/docbook/docbook-xml/files/catalog.xml
@@ -0,0 +1,3 @@
+<?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"/>
diff --git a/office/docbook/docbook-xml/files/docbook b/office/docbook/docbook-xml/files/docbook
index 5cb98147..245cc4ac 100644
--- a/office/docbook/docbook-xml/files/docbook
+++ b/office/docbook/docbook-xml/files/docbook
@@ -76,4 +76,15 @@
   <uri name="http://docbook.org/xml/5.0/xsd/xml.xsd" uri="file:///usr/share/xml/docbook/xml-dtd-5.0/xsd/xml.xsd"/>
   <uri name="http://www.oasis-open.org/docbook/xml/5.0/sch/docbook.sch" uri="file:///usr/share/xml/docbook/xml-dtd-5.0/sch/docbook.sch"/>
   <uri name="http://docbook.org/xml/5.0/sch/docbook.sch" uri="file:///usr/share/xml/docbook/xml-dtd-5.0/sch/docbook.sch"/>
+
+   <uri name="http://www.oasis-open.org/docbook/xml/5.1/rng/docbook.rng" uri="file:///usr/share/xml/docbook/schema/rng/5.1/docbook.rng"/>
+  <uri name="http://docbook.org/xml/5.1/rng/docbook.rng" uri="file:///usr/share/xml/docbook/schema/rng/5.1/docbook.rng"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.1/rng/docbookxi.rng" uri="file:///usr/share/xml/docbook/schema/rng/5.1/docbookxi.rng"/>
+  <uri name="http://docbook.org/xml/5.1/rng/docbookxi.rng" uri="file:///usr/share/xml/docbook/schema/rng/5.1/docbookxi.rng"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.1/rnc/docbook.rnc" uri="file:///usr/share/xml/docbook/schema/rng/5.1/docbook.rnc"/>
+  <uri name="http://docbook.org/xml/5.1/rng/docbook.rnc" uri="file:///usr/share/xml/docbook/schema/rng/5.1/docbook.rnc"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.1/rnc/docbookxi.rnc" uri="file:///usr/share/xml/docbook/schema/rng/5.1/docbookxi.rnc"/>
+  <uri name="http://docbook.org/xml/5.1/rng/docbookxi.rnc" uri="file:///usr/share/xml/docbook/schema/rng/5.1/docbookxi.rnc"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.1/sch/docbook.sch" uri="file:///usr/share/xml/docbook/schema/sch/5.1/docbook.sch"/>
+  <uri name="http://docbook.org/xml/5.1/sch/docbook.sch" uri="file:///usr/share/xml/docbook/schema/sch/5.1/docbook.sch"/>
 </catalog>
diff --git a/office/docbook/docbook-xml/files/xml/catalog b/office/docbook/docbook-xml/files/xml/catalog
new file mode 100644
index 00000000..84acab08
--- /dev/null
+++ b/office/docbook/docbook-xml/files/xml/catalog
@@ -0,0 +1,28 @@
+<?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">
+  <delegatePublic publicIdStartString="-//OASIS//DTD DocBook XML 5.0//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/5.0/catalog.xml"/>
+  <delegateSystem systemIdStartString="http://docbook.org/xml/5.0/dtd/" catalog="file:///usr/share/xml/docbook/schema/dtd/5.0/catalog.xml"/>
+  <delegateURI uriStartString="http://docbook.org/xml/5.0/dtd/" catalog="file:///usr/share/xml/docbook/schema/dtd/5.0/catalog.xml"/>
+  <delegateURI uriStartString="http://docbook.org/xml/5.0/rng/" catalog="file:///usr/share/xml/docbook/schema/rng/5.0/catalog.xml"/>
+  <delegateURI uriStartString="http://docbook.org/xml/5.0/sch/" catalog="file:///usr/share/xml/docbook/schema/sch/5.0/catalog.xml"/>
+  <delegateURI uriStartString="http://docbook.org/xml/5.0/xsd/" catalog="file:///usr/share/xml/docbook/schema/xsd/5.0/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//DTD DocBook XML 5.1//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/5.1/catalog.xml"/>
+  <delegateSystem systemIdStartString="http://docbook.org/xml/5.1/dtd/" catalog="file:///usr/share/xml/docbook/schema/dtd/5.1/catalog.xml"/>
+  <delegateURI uriStartString="http://docbook.org/xml/5.1/dtd/" catalog="file:///usr/share/xml/docbook/schema/dtd/5.1/catalog.xml"/>
+  <delegateURI uriStartString="http://docbook.org/xml/5.1/rng/" catalog="file:///usr/share/xml/docbook/schema/rng/5.1/catalog.xml"/>
+  <delegateURI uriStartString="http://docbook.org/xml/5.1/sch/" catalog="file:///usr/share/xml/docbook/schema/sch/5.1/catalog.xml"/>
+  <delegateURI uriStartString="http://docbook.org/xml/5.1/xsd/" catalog="file:///usr/share/xml/docbook/schema/xsd/5.1/catalog.xml"/>
+   <delegatePublic publicIdStartString="-//OASIS//ENTITIES DocBook XML" catalog="file:///etc/xml/docbook"/>
+  <delegatePublic publicIdStartString="-//OASIS//DTD DocBook XML" catalog="file:///etc/xml/docbook"/>
+  <delegateSystem systemIdStartString="http://www.oasis-open.org/docbook/" catalog="file:///etc/xml/docbook"/>
+  <delegateURI uriStartString="http://www.oasis-open.org/docbook/" catalog="file:///etc/xml/docbook"/>
+  <delegateSystem systemIdStartString="http://www.oasis-open.org/docbook/xml/4.1.2/" catalog="file:///etc/xml/docbook"/>
+  <delegateURI uriStartString="http://www.oasis-open.org/docbook/xml/4.1.2/" catalog="file:///etc/xml/docbook"/>
+  <delegateSystem systemIdStartString="http://www.oasis-open.org/docbook/xml/4.2/" catalog="file:///etc/xml/docbook"/>
+  <delegateURI uriStartString="http://www.oasis-open.org/docbook/xml/4.2/" catalog="file:///etc/xml/docbook"/>
+  <delegateSystem systemIdStartString="http://www.oasis-open.org/docbook/xml/4.3/" catalog="file:///etc/xml/docbook"/>
+  <delegateURI uriStartString="http://www.oasis-open.org/docbook/xml/4.3/" catalog="file:///etc/xml/docbook"/>
+  <delegateSystem systemIdStartString="http://www.oasis-open.org/docbook/xml/4.4/" catalog="file:///etc/xml/docbook"/>
+  <delegateURI uriStartString="http://www.oasis-open.org/docbook/xml/4.4/" catalog="file:///etc/xml/docbook"/>
+</catalog>
diff --git a/office/docbook/docbook-xml/files/xml/docbook b/office/docbook/docbook-xml/files/xml/docbook
new file mode 100644
index 00000000..6ce50bc5
--- /dev/null
+++ b/office/docbook/docbook-xml/files/xml/docbook
@@ -0,0 +1,27 @@
+<?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">
+  <public publicId="-//OASIS//DTD DocBook XML V4.5//EN" uri="http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd"/>
+  <public publicId="-//OASIS//DTD DocBook XML CALS Table Model V4.5//EN" uri="file:///usr/share/xml/docbook/xml-dtd-4.5/calstblx.dtd"/>
+  <public publicId="-//OASIS//DTD XML Exchange Table Model 19990315//EN" uri="file:///usr/share/xml/docbook/xml-dtd-4.5/soextblx.dtd"/>
+  <public publicId="-//OASIS//ELEMENTS DocBook XML Information Pool V4.5//EN" uri="file:///usr/share/xml/docbook/xml-dtd-4.5/dbpoolx.mod"/>
+  <public publicId="-//OASIS//ELEMENTS DocBook XML Document Hierarchy V4.5//EN" uri="file:///usr/share/xml/docbook/xml-dtd-4.5/dbhierx.mod"/>
+  <public publicId="-//OASIS//ELEMENTS DocBook XML HTML Tables V4.5//EN" uri="file:///usr/share/xml/docbook/xml-dtd-4.5/htmltblx.mod"/>
+  <public publicId="-//OASIS//ENTITIES DocBook XML Notations V4.5//EN" uri="file:///usr/share/xml/docbook/xml-dtd-4.5/dbnotnx.mod"/>
+  <public publicId="-//OASIS//ENTITIES DocBook XML Character Entities V4.5//EN" uri="file:///usr/share/xml/docbook/xml-dtd-4.5/dbcentx.mod"/>
+  <public publicId="-//OASIS//ENTITIES DocBook XML Additional General Entities V4.5//EN" uri="file:///usr/share/xml/docbook/xml-dtd-4.5/dbgenent.mod"/>
+  <rewriteSystem systemIdStartString="http://www.oasis-open.org/docbook/xml/4.5" rewritePrefix="file:///usr/share/xml/docbook/xml-dtd-4.5"/>
+  <rewriteURI uriStartString="http://www.oasis-open.org/docbook/xml/4.5" rewritePrefix="file:///usr/share/xml/docbook/xml-dtd-4.5"/>
+  <public publicId="-//OASIS//DTD DocBook XML V4.1.2//EN" uri="http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd"/>
+  <rewriteSystem systemIdStartString="http://www.oasis-open.org/docbook/xml/4.1.2" rewritePrefix="file:///usr/share/xml/docbook/xml-dtd-4.5"/>
+  <rewriteURI uriStartString="http://www.oasis-open.org/docbook/xml/4.1.2" rewritePrefix="file:///usr/share/xml/docbook/xml-dtd-4.5"/>
+  <public publicId="-//OASIS//DTD DocBook XML V4.2//EN" uri="http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"/>
+  <rewriteSystem systemIdStartString="http://www.oasis-open.org/docbook/xml/4.2" rewritePrefix="file:///usr/share/xml/docbook/xml-dtd-4.5"/>
+  <rewriteURI uriStartString="http://www.oasis-open.org/docbook/xml/4.2" rewritePrefix="file:///usr/share/xml/docbook/xml-dtd-4.5"/>
+  <public publicId="-//OASIS//DTD DocBook XML V4.3//EN" uri="http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd"/>
+  <rewriteSystem systemIdStartString="http://www.oasis-open.org/docbook/xml/4.3" rewritePrefix="file:///usr/share/xml/docbook/xml-dtd-4.5"/>
+  <rewriteURI uriStartString="http://www.oasis-open.org/docbook/xml/4.3" rewritePrefix="file:///usr/share/xml/docbook/xml-dtd-4.5"/>
+  <public publicId="-//OASIS//DTD DocBook XML V4.4//EN" uri="http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd"/>
+  <rewriteSystem systemIdStartString="http://www.oasis-open.org/docbook/xml/4.4" rewritePrefix="file:///usr/share/xml/docbook/xml-dtd-4.5"/>
+  <rewriteURI uriStartString="http://www.oasis-open.org/docbook/xml/4.4" rewritePrefix="file:///usr/share/xml/docbook/xml-dtd-4.5"/>
+</catalog>
diff --git a/office/docbook/docbook-xml/files/xml/docbook-5.0 b/office/docbook/docbook-xml/files/xml/docbook-5.0
new file mode 100644
index 00000000..2b12effc
--- /dev/null
+++ b/office/docbook/docbook-xml/files/xml/docbook-5.0
@@ -0,0 +1,27 @@
+<?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">
+  <public publicId="-//OASIS//DTD DocBook XML 5.0//EN" uri="file:///usr/share/xml/docbook/schema/dtd/5.0/docbook.dtd"/>
+  <system systemId="http://www.oasis-open.org/docbook/xml/5.0/dtd/docbook.dtd" uri="file:///usr/share/xml/docbook/schema/dtd/5.0/docbook.dtd"/>
+  <system systemId="http://docbook.org/xml/5.0/dtd/docbook.dtd" uri="file:///usr/share/xml/docbook/schema/dtd/5.0/docbook.dtd"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.0/rng/docbook.rng" uri="file:///usr/share/xml/docbook/schema/rng/5.0/docbook.rng"/>
+  <uri name="http://docbook.org/xml/5.0/rng/docbook.rng" uri="file:///usr/share/xml/docbook/schema/rng/5.0/docbook.rng"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.0/rng/docbookxi.rng" uri="file:///usr/share/xml/docbook/schema/rng/5.0/docbookxi.rng"/>
+  <uri name="http://docbook.org/xml/5.0/rng/docbookxi.rng" uri="file:///usr/share/xml/docbook/schema/rng/5.0/docbookxi.rng"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.0/rnc/docbook.rnc" uri="file:///usr/share/xml/docbook/schema/rng/5.0/docbook.rnc"/>
+  <uri name="http://docbook.org/xml/5.0/rng/docbook.rnc" uri="file:///usr/share/xml/docbook/schema/rng/5.0/docbook.rnc"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.0/rnc/docbookxi.rnc" uri="file:///usr/share/xml/docbook/schema/rng/5.0/docbookxi.rnc"/>
+  <uri name="http://docbook.org/xml/5.0/rng/docbookxi.rnc" uri="file:///usr/share/xml/docbook/schema/rng/5.0/docbookxi.rnc"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.0/xsd/docbook.xsd" uri="file:///usr/share/xml/docbook/schema/xsd/5.0/docbook.xsd"/>
+  <uri name="http://docbook.org/xml/5.0/xsd/docbook.xsd" uri="file:///usr/share/xml/docbook/schema/xsd/5.0/docbook.xsd"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.0/xsd/docbookxi.xsd" uri="file:///usr/share/xml/docbook/schema/xsd/5.0/docbookxi.xsd"/>
+  <uri name="http://docbook.org/xml/5.0/xsd/docbookxi.xsd" uri="file:///usr/share/xml/docbook/schema/xsd/5.0/docbookxi.xsd"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.0/xsd/xi.xsd" uri="file:///usr/share/xml/docbook/schema/xsd/5.0/xi.xsd"/>
+  <uri name="http://docbook.org/xml/5.0/xsd/xi.xsd" uri="file:///usr/share/xml/docbook/schema/xsd/5.0/xi.xsd"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.0/xsd/xlink.xsd" uri="file:///usr/share/xml/docbook/schema/xsd/5.0/xlink.xsd"/>
+  <uri name="http://docbook.org/xml/5.0/xsd/xlink.xsd" uri="file:///usr/share/xml/docbook/schema/xsd/5.0/xlink.xsd"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.0/xsd/xml.xsd" uri="file:///usr/share/xml/docbook/schema/xsd/5.0/xml.xsd"/>
+  <uri name="http://docbook.org/xml/5.0/xsd/xml.xsd" uri="file:///usr/share/xml/docbook/schema/xsd/5.0/xml.xsd"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.0/sch/docbook.sch" uri="file:///usr/share/xml/docbook/schema/sch/5.0/docbook.sch"/>
+  <uri name="http://docbook.org/xml/5.0/sch/docbook.sch" uri="file:///usr/share/xml/docbook/schema/sch/5.0/docbook.sch"/>
+</catalog>
diff --git a/office/docbook/docbook-xml/files/xml/docbook-5.1 b/office/docbook/docbook-xml/files/xml/docbook-5.1
new file mode 100644
index 00000000..3bd4acbd
--- /dev/null
+++ b/office/docbook/docbook-xml/files/xml/docbook-5.1
@@ -0,0 +1,14 @@
+<?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">
+  <uri name="http://www.oasis-open.org/docbook/xml/5.1/rng/docbook.rng" uri="file:///usr/share/xml/docbook/schema/rng/5.1/docbook.rng"/>
+  <uri name="http://docbook.org/xml/5.1/rng/docbook.rng" uri="file:///usr/share/xml/docbook/schema/rng/5.1/docbook.rng"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.1/rng/docbookxi.rng" uri="file:///usr/share/xml/docbook/schema/rng/5.1/docbookxi.rng"/>
+  <uri name="http://docbook.org/xml/5.1/rng/docbookxi.rng" uri="file:///usr/share/xml/docbook/schema/rng/5.1/docbookxi.rng"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.1/rnc/docbook.rnc" uri="file:///usr/share/xml/docbook/schema/rng/5.1/docbook.rnc"/>
+  <uri name="http://docbook.org/xml/5.1/rng/docbook.rnc" uri="file:///usr/share/xml/docbook/schema/rng/5.1/docbook.rnc"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.1/rnc/docbookxi.rnc" uri="file:///usr/share/xml/docbook/schema/rng/5.1/docbookxi.rnc"/>
+  <uri name="http://docbook.org/xml/5.1/rng/docbookxi.rnc" uri="file:///usr/share/xml/docbook/schema/rng/5.1/docbookxi.rnc"/>
+  <uri name="http://www.oasis-open.org/docbook/xml/5.1/sch/docbook.sch" uri="file:///usr/share/xml/docbook/schema/sch/5.1/docbook.sch"/>
+  <uri name="http://docbook.org/xml/5.1/sch/docbook.sch" uri="file:///usr/share/xml/docbook/schema/sch/5.1/docbook.sch"/>
+</catalog>
diff --git a/office/docbook/docbook-xml/pspec.xml b/office/docbook/docbook-xml/pspec.xml
index 5cc27dc7..bb71527b 100644
--- a/office/docbook/docbook-xml/pspec.xml
+++ b/office/docbook/docbook-xml/pspec.xml
@@ -17,8 +17,9 @@
         <Archive sha1sum="5e3a35663cd028c5c5fbb959c3858fec2d7f8b9e" type="zip" target="4.2">https://www.oasis-open.org/docbook/xml/4.2/docbook-xml-4.2.zip</Archive>
         <Archive sha1sum="e79a59e9164c1013b8cc9f64f96f909a184ca016" type="zip" target="4.3">https://www.oasis-open.org/docbook/xml/4.3/docbook-xml-4.3.zip</Archive>
         <Archive sha1sum="7c4d91c82ad3747e1b5600c91782758e5d91c22b" type="zip" target="4.4">https://www.oasis-open.org/docbook/xml/4.4/docbook-xml-4.4.zip</Archive>
-        <Archive sha1sum="b9124233b50668fb508773aa2b3ebc631d7c1620" type="zip">https://www.oasis-open.org/docbook/xml/4.5/docbook-xml-4.5.zip</Archive>
+        <Archive sha1sum="b9124233b50668fb508773aa2b3ebc631d7c1620" type="zip" target="4.5">https://www.oasis-open.org/docbook/xml/4.5/docbook-xml-4.5.zip</Archive>
         <Archive sha1sum="49f274e67efdee771300cba4da1f3e4bc00be1ec" type="zip">http://www.docbook.org/xml/5.0/docbook-5.0.zip</Archive>
+        <Archive sha1sum="31ee986a9f173b782f9d45b93165de46288c63f5" type="zip" target="5.1">https://docbook.org/xml/5.1/docbook-v5.1-os.zip</Archive>
     </Source>
 
     <Package>
@@ -28,19 +29,35 @@
             <Dependency>libxml2</Dependency>
         </RuntimeDependencies>
         <Files>
+            <Path fileType="executable">/usr/bin</Path>
             <Path fileType="doc">/usr/share/doc/</Path>
             <Path fileType="data">/usr/share/xml</Path>
             <Path fileType="data">/etc/xml/docbook</Path>
             <Path fileType="data">/etc/xml/catalog</Path>
+            <Path fileType="data">/etc/xml/docbook-5.0</Path>
+            <Path fileType="data">/etc/xml/docbook-5.1</Path>
         </Files>
         <AdditionalFiles>
-            <AdditionalFile owner="root" permission="0644" target="/etc/xml/docbook">docbook</AdditionalFile>
-            <AdditionalFile owner="root" permission="0644" target="/etc/xml/catalog">catalog</AdditionalFile>
-            <AdditionalFile owner="root" permission="0644" target="/usr/share/xml/docbook/xml-dtd-5.0/catalog.xml">5.0-catalog.xml</AdditionalFile>
+            <AdditionalFile owner="root" permission="0644" target="/etc/xml/docbook">xml/docbook</AdditionalFile>
+            <AdditionalFile owner="root" permission="0644" target="/etc/xml/docbook-5.0">xml/docbook-5.0</AdditionalFile>
+            <AdditionalFile owner="root" permission="0644" target="/etc/xml/docbook-5.1">xml/docbook-5.1</AdditionalFile>
+            <AdditionalFile owner="root" permission="0644" target="/etc/xml/catalog">xml/catalog</AdditionalFile>
+            <AdditionalFile owner="root" permission="0644" target="/usr/share/xml/docbook/schema/dtd/5.0/catalog.xml">5.0/dtd/catalog.xml</AdditionalFile>
+            <AdditionalFile owner="root" permission="0644" target="/usr/share/xml/docbook/schema/rng/5.0/catalog.xml">5.0/rng/catalog.xml</AdditionalFile>
+            <AdditionalFile owner="root" permission="0644" target="/usr/share/xml/docbook/schema/sch/5.0/catalog.xml">5.0/sch/catalog.xml</AdditionalFile>
+            <AdditionalFile owner="root" permission="0644" target="/usr/share/xml/docbook/schema/xsd/5.0/catalog.xml">5.0/xsd/catalog.xml</AdditionalFile>
+            <AdditionalFile owner="root" permission="0644" target="/usr/share/xml/docbook/schema/rng/5.1/catalog.xml">5.1/rng/catalog.xml</AdditionalFile>
         </AdditionalFiles>
     </Package>
 
     <History>
+        <Update release="8">
+            <Date>2022-11-24</Date>
+            <Version>5.1</Version>
+            <Comment>Rebuild</Comment>
+            <Name>PisiLinux Community</Name>
+            <Email>admin@pisilinux.org</Email>
+        </Update>
         <Update release="7">
             <Date>2020-12-09</Date>
             <Version>5.0</Version>