| Index: LayoutTests/fast/regions/subtree-with-horiz-tb.html
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| diff --git a/LayoutTests/fast/regions/subtree-with-horiz-tb.html b/LayoutTests/fast/regions/subtree-with-horiz-tb.html
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| new file mode 100644
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| index 0000000000000000000000000000000000000000..2ea27654912b4ab58014bd14cb1b33845e4e7563
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| --- /dev/null
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| +++ b/LayoutTests/fast/regions/subtree-with-horiz-tb.html
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| @@ -0,0 +1,15 @@
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| +<!DOCTYPE html>
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| +<html style="-webkit-writing-mode:vertical-rl;">
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| +    <body style="color:black; background:white;">
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| +        <p style="-webkit-writing-mode:horizontal-tb;">Below you should see the word 'PASS' on a lime background.</p>
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| +        <div style="width:20em; margin-top:5em; height:20em; -webkit-writing-mode:horizontal-tb; line-height:2em;">
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| +            <div style="-webkit-flow-into:thread;">
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| +                <br>
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| +                <div style="-webkit-region-break-after:always;"></div>
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| +                PASS
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| +            </div>
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| +            <div style="-webkit-flow-from:thread; background:black;"></div>
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| +            <div style="-webkit-flow-from:thread; background:lime;"></div>
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| +        </div>
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| +    </body>
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| +</html>
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| 
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