yles RVG ignores the value and
          uses the default. RVG frequently uses approximate measurements to emulate these styles so the results will not be as precise as when ImageMagick is
          doing the work.
        </p>

        <h4>Styles</h4>

        <dl>
          <dt>:writing_mode</dt>

          <dd>
            There are two possible values for :writing_mode, 'lr' for left-to-right (most Latin-based documents) and 'tb' for top-to-bottom (or vertical) text
            such as for column labels