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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+
+<html xmlns="http://www.w3.org/1999/xhtml">
+
+ <head>
+
+  <title>CSS Writing Modes Test: 'float: right', 'float: left' and 'clear: both' in 'vertical-lr' block formating context (intermediate)</title>
+
+  <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
+  <link rel="help" href="http://www.w3.org/TR/css-writing-modes-3/#vertical-layout" title="7.1 Principles of Layout in Vertical Writing Modes" />
+  <link rel="match" href="../reference/ref-filled-green-100px-square.xht" />
+
+  <meta content="image" name="flags" />
+  <meta content="This test checks that a block container box which has floats will not extend its logical height (it will appear to not be aware of its floats) unless it has a clearing block. This test is important for CSS columnar layout page based on floats." name="assert" />
+
+  <style type="text/css"><![CDATA[
+  div#wrapper
+    {
+      background: red url("support/pattern-gr-gr-100x100.png");
+      font-size: 50px;
+      height: 2em; /* computes to 100px */
+      width: 2em; /* computes to 100px */
+      writing-mode: vertical-lr;
+    }
+
+  div#container
+    {
+      border-right: green solid 1em;
+      width: auto; /* Very important: we want div#container to be able to shrink-wrap */
+    }
+
+  div#floated-left
+    {
+      float: left;
+      height: 50%; /* computes to 50px */
+      width: 1em; /* computes to 50px */
+    }
+
+  div#floated-right
+    {
+      float: right;
+      height: 50%; /* computes to 50px */
+      width: 1em; /* computes to 50px */
+    }
+
+  div#clearing
+    {
+      clear: both;
+    }
+  ]]></style>
+ </head>
+
+ <body>
+
+  <p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+
+  <div id="wrapper">
+    <div id="container">
+      <div id="floated-right"></div>
+      <div id="clearing"></div>
+      <div id="floated-left"></div>
+    </div>
+  </div>
+
+ </body>
+</html>