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<!DOCTYPE html>
<html>
<meta charset="utf-8">
<title>CSS Multi-column Layout Test: Append a block to an empty inline element</title>
<link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
<style>
#column {
column-count: 3;
column-rule: 6px solid;
width: 400px;
outline: 1px solid black;
}
div {
height: 300px;
background-color: yellow;
}
</style>
<body>
<article id="column">
<span id="span"><div>block</div></span>
</article>
</body>
</html>