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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: 'vertical-lr' and margin collapsing - absolute positioning and siblings</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/#logical-direction-layout" title="7.4 Flow-Relative Mappings" />
+
+  <meta content="ahem image" name="flags" />
+  <meta name="assert" content="This test checks that absolutely positioned boxes do not collapse margins with siblings in 'vertical-lr' writing-mode." />
+
+  <!--
+  left static position for the div#abs-pos could be determined with margin collapse
+  or without margin collapse; so there are 2 possible rendered layouts for such code
+  2015-01-18
+
+  Test adapted and modified from
+  http://test.csswg.org/suites/css2.1/nightly-unstable/html4/margin-collapse-012.htm
+
+  "
+  The margin collapsing rules apply exactly with the block-start margin substituted for the top margin and the block-end margin substituted for the bottom margin.
+  "
+  -->
+  <link rel="match" href="reference/margin-collapse-022-023-1.xht" />
+  <link rel="match" href="reference/margin-collapse-022-023-2.xht" />
+
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+  <style type="text/css"><![CDATA[
+  div#test
+    {
+      border: teal solid 1em;
+      font: 25px/1 Ahem;
+      height: 4em; /* computes to 100px */
+      margin-bottom: 0.2em; /* computes to 5px */
+      writing-mode: vertical-lr;
+    }
+
+  div#wrapper
+    {
+      background-color: orange;
+      border-left: blue solid 1em;
+      width: 3em;
+    }
+
+  div#wrapper > div
+    {
+      height: 4em;
+      margin-left: 1em;
+    }
+
+  div#abs-pos
+    {
+      background-color: blue;
+      position: absolute;
+      top: 33px;  /* body's margin + div#test's border-top */
+      width: 1em;
+    }
+  ]]></style>
+
+ </head>
+
+ <body>
+
+  <div id="test">
+    <div id="wrapper">
+      <div id="widthless-static"></div>
+      <div id="abs-pos"></div>
+    </div>
+  </div>
+
+ </body>
+</html>