&reftitle.examples;

Many examples in this reference require an XML file. We will use `book.xml` that contains the following:

## book.xml

    <?xml version="1.0" encoding="utf-8"?>
    <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
     "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" [
    ]>
    <book id="listing">
     <title>My lists</title>
     <chapter id="books">
      <title>My books</title>
      <para>
       <informaltable>
        <tgroup cols="4">
         <thead>
          <row>
           <entry>Title</entry>
           <entry>Author</entry>
           <entry>Language</entry>
           <entry>ISBN</entry>
          </row>
         </thead>
         <tbody>
          <row>
           <entry>The Grapes of Wrath</entry>
           <entry>John Steinbeck</entry>
           <entry>en</entry>
           <entry>0140186409</entry>
          </row>
          <row>
           <entry>The Pearl</entry>
           <entry>John Steinbeck</entry>
           <entry>en</entry>
           <entry>014017737X</entry>
          </row>
          <row>
           <entry>Samarcande</entry>
           <entry>Amine Maalouf</entry>
           <entry>fr</entry>
           <entry>2253051209</entry>
          </row>
          <!-- TODO: I have a lot of remaining books to add.. -->
         </tbody>
        </tgroup>
       </informaltable>
      </para>
     </chapter>
    </book>