m>Edit page layout for snippet kind</em>
      drop-down list.
    </p>
    <p>
      The current page components will be displayed in the right hand
      <em>Displayed page components</em> list box. Any unused page components
      are listed in the <em>Unused page components</em> list box on the left.
    </p>
    <p>
      You customise the page using these list boxes. Here are the available
      actions:
    </p>
    <ul class="spaced">
      <li>
        <div>
          Remove a page component from t