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table-progression-vrl-002.html 
<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Test: vertical-rl Table Column/Colgroup Ordering</title>
<link rel="author" title="Elika J. Etemad" href="http://fantasai.inkedblade.net/contact">
<link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2016-01-15 -->
<link rel="match" href="table-progression-002-ref.html">
<meta name="assert" content="This test checks that vertical-rl tables order columns top-to-bottom (LTR) or bottom-to-top (RTL) per the table's 'direction'. This test also checks that 'writing-mode' and 'direction' do not apply to table columns and column groups.">
<link rel="help" href="http://www.w3.org/TR/css-writing-modes-3/#block-flow" title="3.1 Block Flow Direction: the 'writing-mode' property">
<link rel="help" href="http://www.w3.org/TR/css-writing-modes-3/#direction" title="2.1 Specifying Directionality: the 'direction' property">

<style>
  .test {
    writing-mode: vertical-rl;
  }
  [dir=rtl] {
    direction: rtl;
  }

  table {
    border-spacing: 0;
    border: solid gray;
    margin: 1em;
    float: left;
  }
  td {
    width: 1em;
    height: 1em;
  }

  .navy { background: navy}
  .blue { background: blue }
  .aqua { background: aqua }
  .teal { background: teal }

  /* These declarations must have no effect. */
  .test col,
  .test colgroup {
    writing-mode: horizontal-tb;
    writing-mode: vertical-lr;
    direction: rtl;
  }
  .test[dir=rtl] col,
  .test[dir=rtl] colgroup {
    direction: ltr;
  }
</style>

<p>Test passes if the following patterned boxes all look identical.

<table class="test">
  <col span=2 class="navy">
  <col class="blue">
  <col span=2 class="aqua">
  <tr><td><td><td><td><td>
</table>
<table class="test">
  <colgroup span=2 class="navy"></colgroup>
  <colgroup>
    <col class="blue">
    <col span=2 class="aqua">
  </colgroup>
  <tr><td><td><td><td><td>
</table>

<table dir=rtl class="test">
  <col span=2 class="aqua">
  <col class="blue">
  <col span=2 class="navy">
  <tr><td><td><td><td><td>
</table>
<table dir=rtl class="test">
  <colgroup span=2 class="aqua"></colgroup>
  <colgroup>
    <col class="blue">
    <col span=2 class="navy">
  </colgroup>
  <tr><td><td><td><td><td>
</table>

<table class="reference">
  <tr><td class="navy">
  <tr><td class="navy">
  <tr><td class="blue">
  <tr><td class="aqua">
  <tr><td class="aqua">
</table>
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