> value.

 <ul>
   <li><a href="#LINE_TYPE_FRACTION"><code>LINE_TYPE_FRACTION</code></a> indicates that <a href="#line"><code>line</code></a> is a fractional position within
       the viewport (measured to the part of the cue box determined by <a href="#lineAnchor"><code>lineAnchor</code></a>).
   <li><a href="#LINE_TYPE_NUMBER"><code>LINE_TYPE_NUMBER</code></a> indicates that <a href="#line"><code>line</code></a> is a viewport line number. The
       viewport is divided into lines (each equal in size to t