ndex-def"><strong>1</strong></a>
  <li class="tocline0">principal block-level box, <a href="visuren.html#principal-box" title="principal block-level box" class="index-def"><strong>1</strong></a>
  <li class="tocline0">proper table child, <a href="tables.html#x17" title="proper table child" class="index-def"><strong>1</strong></a>
  <li class="tocline0">proper table row parent, <a href="tables.html#x18" title="proper table row parent" class="index-def"><strong>1</strong></a>
  <li class="tocline0">Property, 