14 files changed, 27 insertions, 26 deletions
diff --git a/debian/changelog b/debian/changelog
index d416dc83..a87456bd 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -6,6 +6,7 @@ apt (0.9.6) UNRELEASED; urgency=low
   * doc/*.xml:
     - mark even more stuff as untranslateable and improve the
       markup here and there (no real text change)
+    - use docbook DTD 4.5 instead of 4.2 to have valid docs
 
  -- David Kalnischkies <kalnischkies@gmail.com>  Tue, 22 May 2012 18:13:19 +0200
 
diff --git a/doc/apt-cache.8.xml b/doc/apt-cache.8.xml
index 1429af18..ab97ebe3 100644
--- a/doc/apt-cache.8.xml
+++ b/doc/apt-cache.8.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8" standalone="no"?>
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
 
 <!ENTITY % aptent SYSTEM "apt.ent">
 %aptent;
diff --git a/doc/apt-cdrom.8.xml b/doc/apt-cdrom.8.xml
index dee42c1b..1dd55249 100644
--- a/doc/apt-cdrom.8.xml
+++ b/doc/apt-cdrom.8.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8" standalone="no"?>
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
 
 <!ENTITY % aptent SYSTEM "apt.ent">
 %aptent;
diff --git a/doc/apt-config.8.xml b/doc/apt-config.8.xml
index 134c8b08..a7164b4e 100644
--- a/doc/apt-config.8.xml
+++ b/doc/apt-config.8.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8" standalone="no"?>
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
 
 <!ENTITY % aptent SYSTEM "apt.ent">
 %aptent;
diff --git a/doc/apt-extracttemplates.1.xml b/doc/apt-extracttemplates.1.xml
index 3c1621ca..7d0f0bfe 100644
--- a/doc/apt-extracttemplates.1.xml
+++ b/doc/apt-extracttemplates.1.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8" standalone="no"?>
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
 
 <!ENTITY % aptent SYSTEM "apt.ent">
 %aptent;
diff --git a/doc/apt-ftparchive.1.xml b/doc/apt-ftparchive.1.xml
index 06d794a1..84b5f413 100644
--- a/doc/apt-ftparchive.1.xml
+++ b/doc/apt-ftparchive.1.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8" standalone="no"?>
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
 
 <!ENTITY % aptent SYSTEM "apt.ent">
 %aptent;
diff --git a/doc/apt-get.8.xml b/doc/apt-get.8.xml
index e4c72188..0568036a 100644
--- a/doc/apt-get.8.xml
+++ b/doc/apt-get.8.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8" standalone="no"?>
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
 
 <!ENTITY % aptent SYSTEM "apt.ent">
 %aptent;
diff --git a/doc/apt-key.8.xml b/doc/apt-key.8.xml
index cdb307b6..78b6c4a9 100644
--- a/doc/apt-key.8.xml
+++ b/doc/apt-key.8.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8" standalone="no"?>
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
 
 <!ENTITY % aptent SYSTEM "apt.ent">
 %aptent;
diff --git a/doc/apt-mark.8.xml b/doc/apt-mark.8.xml
index fcded2bf..8f289c49 100644
--- a/doc/apt-mark.8.xml
+++ b/doc/apt-mark.8.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8" standalone="no"?>
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
 
 <!ENTITY % aptent SYSTEM "apt.ent">
 %aptent;
diff --git a/doc/apt-secure.8.xml b/doc/apt-secure.8.xml
index 7a3b51fa..e83d7685 100644
--- a/doc/apt-secure.8.xml
+++ b/doc/apt-secure.8.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8" standalone="no"?>
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
 
 <!ENTITY % aptent SYSTEM "apt.ent">
 %aptent;
diff --git a/doc/apt-sortpkgs.1.xml b/doc/apt-sortpkgs.1.xml
index 11b26cda..f4b2a64a 100644
--- a/doc/apt-sortpkgs.1.xml
+++ b/doc/apt-sortpkgs.1.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8" standalone="no"?>
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
 
 <!ENTITY % aptent SYSTEM "apt.ent">
 %aptent;
diff --git a/doc/apt.conf.5.xml b/doc/apt.conf.5.xml
index 3de22e09..bb538c66 100644
--- a/doc/apt.conf.5.xml
+++ b/doc/apt.conf.5.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8" standalone="no"?>
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
 
 <!ENTITY % aptent SYSTEM "apt.ent">
 %aptent;
diff --git a/doc/apt_preferences.5.xml b/doc/apt_preferences.5.xml
index 7df7b0ed..a6f68dfe 100644
--- a/doc/apt_preferences.5.xml
+++ b/doc/apt_preferences.5.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8" standalone="no"?>
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
 
 <!ENTITY % aptent SYSTEM "apt.ent">
 %aptent;
diff --git a/doc/sources.list.5.xml b/doc/sources.list.5.xml
index 6499df7e..77bdd49b 100644
--- a/doc/sources.list.5.xml
+++ b/doc/sources.list.5.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8" standalone="no"?>
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
 
 <!ENTITY % aptent SYSTEM "apt.ent">
 %aptent;