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+<!DOCTYPE html>
+<html>
+<head>
+    <title>CSS Writing Modes Test: writing-mode: horizontal-tb nested in vertical-rl</title>
+    <link rel="author" title="KISAKA Toshihiro" href="mailto:toshihiro@kisaka.jp">
+    <!-- You must have at least one spec link, but may have as many as are covered in the test. -->
+    <!-- Be sure to make the main testing area first in the order -->
+    <link rel="help" href="http://www.w3.org/TR/css-writing-modes-3/#block-flow">
+    <!-- The match link is only required if this is a reftest -->
+    <link rel="match" href="writing-mode-vertical-rl-003-ref.htm">
+    <meta name="flags" content="ahem">
+    <meta name="assert" content="when child block has its own writing-mode, child block's writing-mode overwrites parent block's writing-mode.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+    <style type="text/css">
+        div {
+            writing-mode: vertical-rl;
+        }
+
+        div p {
+            background: yellow;
+            color: blue;
+            font: 20px/1 Ahem;
+            height: 6em;
+            margin: 10px;
+            white-space: pre;
+            width: 6em;
+        }
+
+        div p:nth-child(2) {
+            background: pink;
+        }
+
+        p#test {
+            writing-mode: horizontal-tb;
+        }
+    </style>
+</head>
+<body>
+    <p>Upper three blocks are identical to the lower three blocks including each character positions.</p>
+
+    <div>
+        <p>ab cd
+e fg h
+i jkl
+mn
+o q rs
+t uv</p>
+        <p id="test">ab cd
+e fg h
+i jkl
+mn
+o q rs
+t uv</p>
+        <p>ab cd
+e fg h
+i jkl
+mn
+o q rs
+t uv</p>
+    </div>
+
+    <div>
+        <p>ab cd
+e fg h
+i jkl
+mn
+o q rs
+t uv</p>
+        <p> h  s
+d l r
+cgk  v
+ fj qu
+b  n
+aeimot</p>
+        <p>ab cd
+e fg h
+i jkl
+mn
+o q rs
+t uv</p>
+    </div>
+</body>
+</html>