A minimal example

<!DOCTYPE book PUBLIC"-//OASIS//DTD DocBook V4.1//EN"[]> 
<book> 
<title> 
Outlining a DocBook Project 
</title> 
<chapter id="introduction"> 
<title> 
Introduction 
</title> 
<para> 
With DocBook, your world gets clearer. <emphasis>Bergen Linux User Group</emphasis> leads the way. 
</para> 
</chapter> 
</book>

Transform with

peter@tosh:~/example1$ jade -t sgml -d ../htmlout.dsl -V nochunks ../docbook-example00.sgml >example00-plain.html
giving the result example00-plain.html, or using a different stylesheet: example00-cooked.html