ssion that RVG uses to determine word breaks by
            assigning a new regular expression to the <code>::Magick::RVG::WORD_SEP</code> constant. By default the value of
            <code>::Magick::RVG::WORD_SEP</code> is <code>/ /</code>.
          </dd>

          <dt>:glyph_orientation_vertical</dt>

          <dd>
            Applies only when :writing_mode='tb'. This style can have one of four values: 0, 90, 180, 270. The default is 90. This style specifies a rotation on
            each glyph. With