<?xml version='1.0' encoding='utf-8'?>

<!--  A SAMPLE set of slides  -->

<!DOCTYPE slideshow SYSTEM "slideshow1b.dtd" [
  <!ENTITY product  "WonderWidget">
  <!ENTITY products "WonderWidgets">
]>

<!-- SUBSTITUTIONS WORK IN ATTRIBUTES, TOO -->
<slideshow 
    title="&product; Slide Show" 
    date="Date of publication"
    author="Yours Truly"
    >

    <!-- PROCESSING INSTRUCTION -->
    <?my.presentation.Program QUERY="exec, tech, all"?>

    <!-- TITLE SLIDE -->
    <slide type="all">
       <title>Wake up to &products;!</title>
    </slide>

    <!-- OVERVIEW -->
    <slide type="all">
      <title>Overview</title>
      <item>Why <em>&products;</em> are great</item>
      <item/>
      <item>Who <em>buys</em> &products;</item>
    </slide>

</slideshow>