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

1 files changed, 10 insertions, 13 deletions

diff --git a/doc/man/pam_error.3.xml b/doc/man/pam_error.3.xml
index de167f2c..0f294c22 100644
--- a/doc/man/pam_error.3.xml
+++ b/doc/man/pam_error.3.xml
@@ -1,16 +1,13 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!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_error">
+<refentry xmlns="http://docbook.org/ns/docbook" version="5.0" xml:id="pam_error">
 
   <refmeta>
     <refentrytitle>pam_error</refentrytitle>
     <manvolnum>3</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_error-name">
+  <refnamediv xml:id="pam_error-name">
     <refname>pam_error</refname>
     <refname>pam_verror</refname>
     <refpurpose>display error messages to the user</refpurpose>
@@ -18,7 +15,7 @@
 
 <!-- body begins here -->
 
-  <refsynopsisdiv id="pam_error-synopsis">
+  <refsynopsisdiv xml:id="pam_error-synopsis">
     <funcsynopsis>
       <funcsynopsisinfo>#include &lt;security/pam_ext.h&gt;</funcsynopsisinfo>
       <funcprototype>
@@ -36,7 +33,7 @@
     </funcsynopsis>
   </refsynopsisdiv>
 
-  <refsect1 id='pam_error-description'>
+  <refsect1 xml:id="pam_error-description">
     <title>DESCRIPTION</title>
     <para>
       The <function>pam_error</function> function prints error messages
@@ -51,7 +48,7 @@
       </citerefentry> variable argument list macros.
     </para>
   </refsect1>
-  <refsect1 id="pam_error-return_values">
+  <refsect1 xml:id="pam_error-return_values">
     <title>RETURN VALUES</title>
     <variablelist>
       <varlistentry>
@@ -89,7 +86,7 @@
     </variablelist>
   </refsect1>
 
-  <refsect1 id='pam_error-see_also'>
+  <refsect1 xml:id="pam_error-see_also">
     <title>SEE ALSO</title>
     <para>
       <citerefentry>
@@ -110,7 +107,7 @@
     </para>
   </refsect1>
 
-  <refsect1 id='pam_error-standards'>
+  <refsect1 xml:id="pam_error-standards">
     <title>STANDARDS</title>
     <para>
       The <function>pam_error</function> and <function>pam_verror</function>
@@ -118,4 +115,4 @@
     </para>
   </refsect1>
 
-</refentry>
+</refentry>
\ No newline at end of file