1 files changed, 44 insertions, 27 deletions
diff --git a/chapter05/m4.xml b/chapter05/m4.xml
index 3f3f23da1..289710f6b 100644
--- a/chapter05/m4.xml
+++ b/chapter05/m4.xml
@@ -1,52 +1,69 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
+<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
+  "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
   <!ENTITY % general-entities SYSTEM "../general.ent">
   %general-entities;
 ]>
+
 <sect1 id="ch-tools-m4" role="wrap">
-<title>M4-&m4-version;</title>
-<?dbhtml filename="m4.html"?>
+  <?dbhtml filename="m4.html"?>
+
+  <title>M4-&m4-version;</title>
+
+  <indexterm zone="ch-tools-m4">
+    <primary sortas="a-M4">M4</primary>
+    <secondary>tools</secondary>
+  </indexterm>
+
+  <sect2 role="package">
+    <title/>
 
-<indexterm zone="ch-tools-m4">
-<primary sortas="a-M4">M4</primary>
-<secondary>tools</secondary></indexterm>
+    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
+    href="../chapter06/m4.xml"
+    xpointer="xpointer(/sect1/sect2[1]/para[1])"/>
 
-<sect2 role="package"><title/>
-<xi:include xmlns:xi="http://www.w3.org/2003/XInclude" href="../chapter06/m4.xml" xpointer="xpointer(/sect1/sect2[1]/para[1])"/>
+    <segmentedlist>
+      <segtitle>&buildtime;</segtitle>
+      <segtitle>&diskspace;</segtitle>
 
-<segmentedlist>
-<segtitle>&buildtime;</segtitle>
-<segtitle>&diskspace;</segtitle>
-<seglistitem><seg>0.1 SBU</seg><seg>2.8 MB</seg></seglistitem>
-</segmentedlist>
+      <seglistitem>
+        <seg>0.1 SBU</seg>
+        <seg>2.8 MB</seg>
+      </seglistitem>
+    </segmentedlist>
 
-<xi:include xmlns:xi="http://www.w3.org/2003/XInclude" href="../chapter06/m4.xml" xpointer="xpointer(/sect1/sect2[1]/segmentedlist[2])"/>
+    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
+    href="../chapter06/m4.xml"
+    xpointer="xpointer(/sect1/sect2[1]/segmentedlist[2])"/>
 
-</sect2>
+  </sect2>
 
-<sect2 role="installation">
-<title>Installation of M4</title>
+  <sect2 role="installation">
+    <title>Installation of M4</title>
 
-<para>Prepare M4 for compilation:</para>
+    <para>Prepare M4 for compilation:</para>
 
 <screen><userinput>./configure --prefix=/tools</userinput></screen>
 
-<para>Compile the package:</para>
+    <para>Compile the package:</para>
 
 <screen><userinput>make</userinput></screen>
 
-<para>To test the results, issue: <userinput>make check</userinput>.</para>
+    <para>To test the results, issue:
+    <userinput>make check</userinput>.</para>
 
-<para>Install the package:</para>
+    <para>Install the package:</para>
 
 <screen><userinput>make install</userinput></screen>
 
-</sect2>
+  </sect2>
 
-<sect2 role="content"><title/>
-<para>Details on this package are located in <xref
-linkend="contents-m4" role="."/></para>
-</sect2>
+  <sect2 role="content">
+    <title/>
 
-</sect1>
+    <para>Details on this package are located in
+    <xref linkend="contents-m4" role="."/></para>
+
+  </sect2>
 
+</sect1>