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

2 files changed, 41 insertions, 56 deletions

diff --git a/modules/pam_stress/README.xml b/modules/pam_stress/README.xml
index 6f94685e..cc7a1848 100644
--- a/modules/pam_stress/README.xml
+++ b/modules/pam_stress/README.xml
@@ -1,31 +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 pamstress SYSTEM "pam_stress.8.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_stress.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_stress-name"]/*)'/>
+      <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="pam_stress.8.xml" xpointer='xpointer(id("pam_stress-name")/*)'/>
     </title>
 
-  </articleinfo>
+  </info>
 
   <section>
-    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
-      href="pam_stress.8.xml" xpointer='xpointer(//refsect1[@id = "pam_stress-description"]/*)'/>
+    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="pam_stress.8.xml" xpointer='xpointer(id("pam_stress-description")/*)'/>
   </section>
 
   <section>
-    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
-      href="pam_stress.8.xml" xpointer='xpointer(//refsect1[@id = "pam_stress-options"]/*)'/>
+    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="pam_stress.8.xml" xpointer='xpointer(id("pam_stress-options")/*)'/>
   </section>
 
-</article>
+</article>
\ No newline at end of file
diff --git a/modules/pam_stress/pam_stress.8.xml b/modules/pam_stress/pam_stress.8.xml
index 98888b1c..617b7aae 100644
--- a/modules/pam_stress/pam_stress.8.xml
+++ b/modules/pam_stress/pam_stress.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_stress'>
+<refentry xmlns="http://docbook.org/ns/docbook" version="5.0" xml:id="pam_stress">
 
   <refmeta>
     <refentrytitle>pam_stress</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_stress-name'>
+  <refnamediv xml:id="pam_stress-name">
     <refname>pam_stress</refname>
     <refpurpose>The stress-testing PAM module</refpurpose>
   </refnamediv>
@@ -18,42 +15,42 @@
 <!-- body begins here -->
 
   <refsynopsisdiv>
-    <cmdsynopsis id="pam_stress-cmdsynopsis">
+    <cmdsynopsis xml:id="pam_stress-cmdsynopsis" sepchar=" ">
       <command>pam_stress.so</command>
-      <arg choice="opt">
+      <arg choice="opt" rep="norepeat">
         debug
       </arg>
-      <arg choice="opt">
+      <arg choice="opt" rep="norepeat">
         no_warn
       </arg>
-      <arg choice="opt">
+      <arg choice="opt" rep="norepeat">
         use_first_pass
       </arg>
-      <arg choice="opt">
+      <arg choice="opt" rep="norepeat">
         try_first_pass
       </arg>
-      <arg choice="opt">
+      <arg choice="opt" rep="norepeat">
         rootok
       </arg>
-      <arg choice="opt">
+      <arg choice="opt" rep="norepeat">
         expired
       </arg>
-      <arg choice="opt">
+      <arg choice="opt" rep="norepeat">
         fail_1
       </arg>
-      <arg choice="opt">
+      <arg choice="opt" rep="norepeat">
         fail_2
       </arg>
-      <arg choice="opt">
+      <arg choice="opt" rep="norepeat">
         prelim
       </arg>
-      <arg choice="opt">
+      <arg choice="opt" rep="norepeat">
         required
       </arg>
     </cmdsynopsis>
   </refsynopsisdiv>
 
-  <refsect1 id="pam_stress-description">
+  <refsect1 xml:id="pam_stress-description">
     <title>DESCRIPTION</title>
     <para>
       The pam_stress PAM module is mainly intended to give the impression of failing as a fully
@@ -61,13 +58,13 @@ functioning module might.
     </para>
   </refsect1>
 
-  <refsect1 id="pam_stress-options">
+  <refsect1 xml:id="pam_stress-options">
     <title>OPTIONS</title>
     <variablelist>
 
       <varlistentry>
         <term>
-          <option>debug</option>
+          debug
         </term>
         <listitem>
           <para>
@@ -79,7 +76,7 @@ functioning module might.
 
       <varlistentry>
         <term>
-          <option>no_warn</option>
+          no_warn
         </term>
         <listitem>
           <para>
@@ -91,7 +88,7 @@ functioning module might.
 
       <varlistentry>
         <term>
-          <option>use_first_pass</option>
+          use_first_pass
         </term>
         <listitem>
           <para>
@@ -103,7 +100,7 @@ functioning module might.
 
       <varlistentry>
         <term>
-          <option>try_first_pass</option>
+          try_first_pass
         </term>
         <listitem>
           <para>
@@ -115,7 +112,7 @@ functioning module might.
 
       <varlistentry>
         <term>
-          <option>rootok</option>
+          rootok
         </term>
         <listitem>
           <para>
@@ -128,7 +125,7 @@ functioning module might.
 
       <varlistentry>
         <term>
-          <option>expired</option>
+          expired
         </term>
         <listitem>
           <para>
@@ -141,7 +138,7 @@ functioning module might.
 
       <varlistentry>
         <term>
-          <option>fail_1</option>
+          fail_1
         </term>
         <listitem>
           <para>
@@ -152,7 +149,7 @@ functioning module might.
 
       <varlistentry>
         <term>
-          <option>fail_2</option>
+          fail_2
         </term>
         <listitem>
           <para>
@@ -164,7 +161,7 @@ functioning module might.
 
       <varlistentry>
         <term>
-          <option>prelim</option>
+          prelim
         </term>
         <listitem>
           <para>
@@ -175,7 +172,7 @@ functioning module might.
 
       <varlistentry>
         <term>
-          <option>required</option>
+          required
         </term>
         <listitem>
           <para>
@@ -189,7 +186,7 @@ functioning module might.
     </variablelist>
   </refsect1>
 
-  <refsect1 id="pam_stress-types">
+  <refsect1 xml:id="pam_stress-types">
     <title>MODULE TYPES PROVIDED</title>
     <para>
       All module types (<option>auth</option>, <option>account</option>,
@@ -197,7 +194,7 @@ functioning module might.
     </para>
   </refsect1>
 
-  <refsect1 id="pam_stress-return_values">
+  <refsect1 xml:id="pam_stress-return_values">
     <title>RETURN VALUES</title>
     <variablelist>
       <varlistentry>
@@ -307,7 +304,7 @@ functioning module might.
     </variablelist>
   </refsect1>
 
-  <refsect1 id='pam_stress-notes'>
+  <refsect1 xml:id="pam_stress-notes">
     <title>NOTES</title>
     <para>
       This module uses the stress_new_pwd data string which tells
@@ -316,7 +313,7 @@ functioning module might.
     </para>
   </refsect1>
 
-  <refsect1 id='pam_stress-examples'>
+  <refsect1 xml:id="pam_stress-examples">
     <title>EXAMPLES</title>
     <programlisting>
 #%PAM-1.0
@@ -329,7 +326,7 @@ session  required pam_stress.so
     </programlisting>
   </refsect1>
 
-  <refsect1 id="pam_stress-see_also">
+  <refsect1 xml:id="pam_stress-see_also">
     <title>SEE ALSO</title>
     <para>
       <citerefentry>
@@ -344,7 +341,7 @@ session  required pam_stress.so
     </para>
   </refsect1>
 
-  <refsect1 id="pam_stress-authors">
+  <refsect1 xml:id="pam_stress-authors">
     <title>AUTHORS</title>
     <para>
       The pam_stress PAM module was developed by
@@ -353,4 +350,4 @@ session  required pam_stress.so
       Lucas Ramage &lt;ramage.lucas@protonmail.com&gt;.
     </para>
   </refsect1>
-</refentry>
+</refentry>
\ No newline at end of file