doc: Update PAM documentation from DockBook 4 to DocBook 5

Changed files
--------------

Make.xml.rules.in:
- Using RNG file instead of DTD file for checking XML files.
- Taking the correct stylesheet for README files.

doc/sag/Makefile.am, doc/adg/Makefile.am, doc/mwg/Makefile.am:
- Using RNG file instead of DTD file for checking XML files.

configure.ac:
- Adding a new option for selecting RNG check file (-enable-docbook-rng)
- Switching stylesheets to docbook 5
- Checking DocBook 5 environment instead of DocBook 4 environment

*.xml:
Update from DockBook 4 to DocBook 5

3 files changed, 29 insertions, 50 deletions

diff --git a/modules/pam_group/README.xml b/modules/pam_group/README.xml
index 387d6987..8ccd55d0 100644
--- a/modules/pam_group/README.xml
+++ b/modules/pam_group/README.xml
@@ -1,34 +1,19 @@
-<?xml version="1.0" encoding='UTF-8'?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
-"http://www.docbook.org/xml/4.3/docbookx.dtd"
-[
-<!--
-<!ENTITY pamgroup SYSTEM "pam_group.8.xml">
--->
-<!--
-<!ENTITY groupconf SYSTEM "group.conf.5.xml">
--->
-]>
+<article xmlns="http://docbook.org/ns/docbook" version="5.0">
 
-<article>
-
-  <articleinfo>
+  <info>
 
     <title>
-      <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
-      href="pam_group.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_group-name"]/*)'/>
+      <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="pam_group.8.xml" xpointer='xpointer(id("pam_group-name")/*)'/>
     </title>
 
-  </articleinfo>
+  </info>
 
   <section>
-    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
-      href="pam_group.8.xml" xpointer='xpointer(//refsect1[@id = "pam_group-description"]/*)'/>
+    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="pam_group.8.xml" xpointer='xpointer(id("pam_group-description")/*)'/>
   </section>
 
   <section>
-    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
-      href="group.conf.5.xml" xpointer='xpointer(//refsect1[@id = "group.conf-examples"]/*)'/>
+    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="group.conf.5.xml" xpointer='xpointer(id("group.conf-examples")/*)'/>
   </section>
 
-</article>
+</article>
\ No newline at end of file
diff --git a/modules/pam_group/group.conf.5.xml b/modules/pam_group/group.conf.5.xml
index 2b7fb345..a8875b30 100644
--- a/modules/pam_group/group.conf.5.xml
+++ b/modules/pam_group/group.conf.5.xml
@@ -1,13 +1,10 @@
-<?xml version="1.0" encoding='UTF-8'?>
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
-        "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd">
-
-<refentry id="group.conf">
+<refentry xmlns="http://docbook.org/ns/docbook" version="5.0" xml:id="group.conf">
 
   <refmeta>
     <refentrytitle>group.conf</refentrytitle>
     <manvolnum>5</manvolnum>
-    <refmiscinfo class="sectdesc">Linux-PAM Manual</refmiscinfo>
+    <refmiscinfo class="source">Linux-PAM</refmiscinfo>
+    <refmiscinfo class="manual">Linux-PAM Manual</refmiscinfo>
   </refmeta>
 
   <refnamediv>
@@ -15,7 +12,7 @@
     <refpurpose>configuration file for the pam_group module</refpurpose>
   </refnamediv>
 
-  <refsect1 id='group.conf-description'>
+  <refsect1 xml:id="group.conf-description">
     <title>DESCRIPTION</title>
 
     <para>
@@ -98,7 +95,7 @@
     </para>
   </refsect1>
 
-  <refsect1 id="group.conf-examples">
+  <refsect1 xml:id="group.conf-examples">
     <title>EXAMPLES</title>
     <para>
       These are some example lines which might be specified in
@@ -129,7 +126,7 @@ xsh; tty* ;%admin;Al0000-2400;plugdev
 
   </refsect1>
 
-  <refsect1 id="group.conf-see_also">
+  <refsect1 xml:id="group.conf-see_also">
     <title>SEE ALSO</title>
     <para>
       <citerefentry><refentrytitle>pam_group</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
@@ -138,10 +135,10 @@ xsh; tty* ;%admin;Al0000-2400;plugdev
     </para>
   </refsect1>
 
-  <refsect1 id="group.conf-author">
+  <refsect1 xml:id="group.conf-author">
     <title>AUTHOR</title>
     <para>
       pam_group was written by Andrew G. Morgan &lt;morgan@kernel.org&gt;.
     </para>
   </refsect1>
-</refentry>
+</refentry>
\ No newline at end of file
diff --git a/modules/pam_group/pam_group.8.xml b/modules/pam_group/pam_group.8.xml
index e4a59dfd..695a7baf 100644
--- a/modules/pam_group/pam_group.8.xml
+++ b/modules/pam_group/pam_group.8.xml
@@ -1,16 +1,13 @@
-<?xml version="1.0" encoding="ISO-8859-1"?>
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
-                   "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
-
-<refentry id='pam_group'>
+<refentry xmlns="http://docbook.org/ns/docbook" version="5.0" xml:id="pam_group">
 
   <refmeta>
     <refentrytitle>pam_group</refentrytitle>
     <manvolnum>8</manvolnum>
-    <refmiscinfo class='setdesc'>Linux-PAM Manual</refmiscinfo>
+    <refmiscinfo class="source">Linux-PAM</refmiscinfo>
+    <refmiscinfo class="manual">Linux-PAM Manual</refmiscinfo>
   </refmeta>
 
-  <refnamediv id='pam_group-name'>
+  <refnamediv xml:id="pam_group-name">
     <refname>pam_group</refname>
     <refpurpose>
       PAM module for group access
@@ -20,13 +17,13 @@
 <!-- body begins here -->
 
   <refsynopsisdiv>
-    <cmdsynopsis id="pam_group-cmdsynopsis">
+    <cmdsynopsis xml:id="pam_group-cmdsynopsis" sepchar=" ">
       <command>pam_group.so</command>
     </cmdsynopsis>
   </refsynopsisdiv>
 
 
-  <refsect1 id="pam_group-description">
+  <refsect1 xml:id="pam_group-description">
     <title>DESCRIPTION</title>
     <para>
       The pam_group PAM module does not authenticate the user, but instead
@@ -64,19 +61,19 @@
     </para>
   </refsect1>
 
-  <refsect1 id="pam_group-options">
+  <refsect1 xml:id="pam_group-options">
     <title>OPTIONS</title>
     <para>This module does not recognise any options.</para>
   </refsect1>
 
-  <refsect1 id="pam_group-types">
+  <refsect1 xml:id="pam_group-types">
     <title>MODULE TYPES PROVIDED</title>
     <para>
       Only the <option>auth</option> module type is provided.
     </para>
   </refsect1>
 
-  <refsect1 id="pam_group-return_values">
+  <refsect1 xml:id="pam_group-return_values">
     <title>RETURN VALUES</title>
     <variablelist>
       <varlistentry>
@@ -130,11 +127,11 @@
     </variablelist>
   </refsect1>
 
-  <refsect1 id="pam_group-files">
+  <refsect1 xml:id="pam_group-files">
     <title>FILES</title>
     <variablelist>
       <varlistentry>
-        <term><filename>/etc/security/group.conf</filename></term>
+        <term>/etc/security/group.conf</term>
         <listitem>
           <para>Default configuration file</para>
         </listitem>
@@ -142,7 +139,7 @@
     </variablelist>
   </refsect1>
 
-  <refsect1 id="pam_group-see_also">
+  <refsect1 xml:id="pam_group-see_also">
     <title>SEE ALSO</title>
     <para>
       <citerefentry>
@@ -157,10 +154,10 @@
     </para>
   </refsect1>
 
-  <refsect1 id="pam_group-authors">
+  <refsect1 xml:id="pam_group-authors">
     <title>AUTHORS</title>
     <para>
       pam_group was written by Andrew G. Morgan &lt;morgan@kernel.org&gt;.
     </para>
   </refsect1>
-</refentry>
+</refentry>
\ No newline at end of file