diff --git a/en_US.ISO8859-1/books/developers-handbook/tools/chapter.sgml b/en_US.ISO8859-1/books/developers-handbook/tools/chapter.sgml
index 45c24ff136..c97a66b1e1 100644
--- a/en_US.ISO8859-1/books/developers-handbook/tools/chapter.sgml
+++ b/en_US.ISO8859-1/books/developers-handbook/tools/chapter.sgml
@@ -4,28 +4,28 @@
      $FreeBSD$
 -->
 
-    <chapter id="tools">
-      <title>Programming Tools</title>
+<chapter id="tools">
+  <title>Programming Tools</title>
 
-      <para><emphasis>This chapter was written by &a.jraynard;.
-      Modifications for the Developers' Handbook by &a.murray;.
-      </emphasis></para>
+  <para><emphasis>This chapter was written by &a.jraynard;.
+    Modifications for the Developers' Handbook by &a.murray;.
+    </emphasis></para>
 
-      <sect1><title>Synopsis</title>
+  <sect1><title>Synopsis</title>
 
-      <para>This document is an introduction to using some of the
-	programming tools supplied with FreeBSD, although much of it
-	will be applicable to many other versions of Unix.  It does
-	<emphasis>not</emphasis> attempt to describe coding in any
-	detail.  Most of the document assumes little or no previous
-	programming knowledge, although it is hoped that most
-	programmers will find something of value in it.</para>
+    <para>This document is an introduction to using some of the
+      programming tools supplied with FreeBSD, although much of it
+      will be applicable to many other versions of Unix.  It does
+      <emphasis>not</emphasis> attempt to describe coding in any
+      detail.  Most of the document assumes little or no previous
+      programming knowledge, although it is hoped that most
+      programmers will find something of value in it.</para>
 
-      </sect1>
+  </sect1>
 
-      <sect1><title>Introduction</title>
+  <sect1><title>Introduction</title>
   
-      <para>FreeBSD offers an excellent development environment.
+    <para>FreeBSD offers an excellent development environment.
       Compilers for C, C++, and Fortran and an assembler come with the
       basic system, not to mention a Perl interpreter and classic Unix
       tools such as <command>sed</command> and <command>awk</command>.
@@ -37,26 +37,25 @@
       with little or no modification on a wide range of
       platforms.</para>
 
-      <para>However, all this power can be rather overwhelming at
-      first if you've never written programs on a Unix platform
-      before.  This document aims to help you get up and running,
-      without getting too deeply into more advanced topics.  The
-      intention is that this document should give you enough of the
-      basics to be able to make some sense of the
-      documentation.</para>
+    <para>However, all this power can be rather overwhelming at first
+      if you've never written programs on a Unix platform before.
+      This document aims to help you get up and running, without
+      getting too deeply into more advanced topics.  The intention is
+      that this document should give you enough of the basics to be
+      able to make some sense of the documentation.</para>
 
-      <para>Most of the document requires little or no knowledge of
+    <para>Most of the document requires little or no knowledge of
       programming, although it does assume a basic competence with
       using Unix and a willingness to learn!</para>
 
-      </sect1>
+  </sect1>
 
-      <sect1>
-      <title>Introduction to Programming</title>
+  <sect1>
+    <title>Introduction to Programming</title>
 
-      <para>A program is a set of instructions that tell the computer
-      to do various things; sometimes the instruction it has to
-      perform depends on what happened when it performed a previous
+    <para>A program is a set of instructions that tell the computer to
+      do various things; sometimes the instruction it has to perform
+      depends on what happened when it performed a previous
       instruction.  This section gives an overview of the two main
       ways in which you can give these instructions, or
       <quote>commands</quote> as they are usually called.  One way