centage-units" class="tocxref">4.3.3 百分比</a>
      <li class="tocline3"><a href="syndata.html#uri" class="tocxref">4.3.4 URL与URI</a>
      <li class="tocline3"><a href="syndata.html#counter" class="tocxref">4.3.5 计数器</a>
      <li class="tocline3"><a href="syndata.html#color-units" class="tocxref">4.3.6 颜色</a>
      <li class="tocline3"><a href="syndata.html#strings" class="tocxref">4.3.7 字符串</a>
      <li class="tocline3"><a href="syndata.html#unsupported-values" class="tocxref">4.3