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diff --git a/testing/web-platform/tests/css/CSS2/visufx/visibility-collapse-001.xht b/testing/web-platform/tests/css/CSS2/visufx/visibility-collapse-001.xht
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+ <head>
+  <title>CSS Test: CSS Tables: Visibility</title>
+  <link rel="author" title="Ian Hickson" href="mailto:ian@hixie.ch"/>
+  <link rel="alternate" href="http://www.hixie.ch/tests/adhoc/css/box/table/011.xml" type="application/xhtml+xml"/>
+  <link rel="help" href="http://www.w3.org/TR/CSS21/tables.html#dynamic-effects"/>
+  <link rel="help" href="http://www.w3.org/TR/CSS21/visufx.html#visibility"/>
+  <meta name="flags" content="dom interact"/>
+  <style type="text/css">
+   body { background: white; color: black; }
+   span[onclick] { text-decoration: underline; color: blue; cursor: pointer; }
+   span[onclick]:hover { color: red; }
+   .collapse { visibility: collapse; }
+   table { border-spacing: 1em; }
+  </style>
+  <script type="text/javascript">
+   function toggle(element) {
+     element = document.getElementById(element);
+     if (element.className == '') {
+       element.className = 'collapse';
+     } else {
+       element.className = '';
+     }
+   }
+  </script>
+ </head>
+ <body>
+  <p>Toggle: <span onclick="toggle('col2')">Column 2</span>
+             <span onclick="toggle('col3')">Column 3</span>
+             <span onclick="toggle('row2')">Row 2</span>
+             <span onclick="toggle('row3')">Row 3</span></p>
+  <p>When column 3 is collapsed, row 3 shouldn't move up. When row 2
+  is collapsed, column 3 shouldn't move left. However, when column 2
+  is collapsed, column 3 should move left, and when row 2 is
+  collapsed, row 3 should move up.</p>
+  <table>
+   <colgroup><col/><col id="col2"/><col id="col3"/></colgroup>
+   <tr>
+    <td/>
+    <th onclick="toggle('col2')">Column 2</th>
+    <th onclick="toggle('col3')">Column 3</th>
+   </tr>
+   <tr id="row2">
+    <th onclick="toggle('row2')">Row 2</th>
+    <td>Some really very long data</td>
+    <td>Some data<br/>on two lines</td>
+   </tr>
+   <tr id="row3">
+    <th onclick="toggle('row3')">Row 3</th>
+    <td>Data</td>
+    <td>Yet more data</td>
+   </tr>
+  </table>
+ </body>
+</html>