sical</em> distance, equaling 1/72th
        of an inch.  Normally, it is not equivalent to a pixel.<p>
      </li>

      <li>
        <p>The horizontal and vertical device resolutions are expressed in
        <em>dots-per-inch</em>, or <em>dpi</em>.  Normal values are 72 or
        96&nbsp;dpi for display devices like the screen.  The resolution
        is used to compute the character pixel size from the character
        point size.</p>
      </li>

      <li>
        <p>A value of&nbsp;0 for the charac