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+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Test: sideways-lr Table Row/Rowgroup/Cell Ordering</title>
+<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
+<link rel="author" title="Elika J. Etemad" href="http://fantasai.inkedblade.net/contact">
+<link rel="match" href="table-progression-slr-001-ref.html">
+<meta name="assert" content="This test checks that sideways-lr tables order rows/rowgroups left to right and cells bottom-to-top (LTR) or top-to-bottom (RTL) per 'direction'. This test also checks that 'writing-mode' and 'direction' do not apply to table rows and row groups.">
+<link rel="help" href="http://www.w3.org/TR/css-writing-modes-4/#block-flow" title="3.1 Block Flow Direction: the 'writing-mode' property">
+<link rel="help" href="http://www.w3.org/TR/css-writing-modes-4/#direction" title="2.1 Specifying Directionality: the 'direction' property">
+
+<style>
+  .test {
+    writing-mode: sideways-lr;
+  }
+  [dir=rtl] {
+    direction: rtl;
+  }
+
+  table {
+    border-spacing: 0;
+    margin: 1em;
+  }
+  td {
+    width: 1em;
+    height: 1em;
+    border: solid gray;
+  }
+
+  .navy { background: navy}
+  .blue { background: blue }
+  .aqua { background: aqua }
+  .teal { background: teal }
+  .purp { background: purple }
+  .pink { background: fuchsia }
+  .yllw { background: yellow }
+  .orng { background: orange }
+
+
+  /* These rules must have no effect. */
+  .test thead,
+  .test tfoot,
+  .test tbody,
+  .test tr,
+  .test td {
+    writing-mode: horizontal-tb; /* For UAs not supporting vertical-rl */
+    writing-mode: sideways-rl;
+    direction: rtl;
+  }
+  .test[dir=rtl] thead,
+  .test[dir=rtl] tfoot,
+  .test[dir=rtl] tbody,
+  .test[dir=rtl] tr,
+  .test[dir=rtl] td {
+    direction: ltr;
+  }
+</style>
+
+<p>Test passes if the following three tables look identical.
+
+<table class="test">
+  <thead>
+    <tr>
+      <td colspan=2>
+      <td class="aqua">
+      <td class="teal">
+  <tfoot>
+    <tr>
+      <td class="navy">
+      <td class="blue">
+      <td colspan=2>
+  <tbody>
+    <tr>
+      <td class="orng">
+      <td colspan=3>
+  <tbody>
+    <tr>
+      <td rowspan=3>
+      <td class="yllw">
+      <td rowspan=2 colspan=2>
+    <tr>
+      <td class="pink">
+    <tr>
+      <td colspan=2>
+      <td class="purp">
+</table>
+
+<table dir=rtl class="test">
+  <thead>
+    <tr>
+      <td class="teal">
+      <td class="aqua">
+      <td colspan=2>
+  <tfoot>
+    <tr>
+      <td colspan=2>
+      <td class="blue">
+      <td class="navy">
+  <tbody>
+    <tr>
+      <td colspan=3>
+      <td class="orng">
+  <tbody>
+    <tr>
+      <td rowspan=2 colspan=2>
+      <td class="yllw">
+      <td rowspan=3>
+    <tr>
+      <td class="pink">
+    <tr>
+      <td class="purp">
+      <td colspan=2>
+</table>
+
+<table class="reference">
+  <tr>
+    <td class="teal">
+    <td rowspan="3">
+    <td colspan="2" rowspan="2">
+    <td class="purp">
+    <td rowspan="2">
+  <tr>
+    <td class="aqua">
+    <td rowspan="2">
+  <tr>
+    <td rowspan="2">
+    <td class="yllw">
+    <td class="pink">
+    <td class="blue">
+
+  <tr>
+    <td class="orng">
+    <td colspan="3">
+    <td class="navy">
+</table>