<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <meta name="color-scheme" content="light dark" />
    <title>EPUB 3.4 Metadata Usage Report</title>
    <script src="https://www.w3.org/Tools/respec/respec-w3c" class="remove" defer></script>
    <style>
      .todo {
        background-color: yellow;
        color: #900;
      }
      .todo::before {
        content: "(still to be done)";
      }
        /* Table zebra style... */

        table {
            font-size:inherit;
            font