<!DOCTYPE html>
<head>
<style>
blockquote {
    color: blue;
    border-left: 2px solid blue;
    padding-left: 5px;
    margin: 0px;
}
</style>
</head>
<body>
<p id="description">We copy and paste a blockquoted paragraph plus a paragraph break.
The paragraph break shouldn't be inside the blockquote on paste.  
You should see 'hello' (blockquoted), 'world' (not quoted, black text), 'hello' (blockquoted), empty paragraph.
See &lt;rdar://problem/5368833&lt;</p>
<div id="div" contenteditable="true"><br><blockquote id="blockquote" type="cite">hello<br></blockquote><br></div>
<script src="../../resources/dump-as-markup.js"></script>
<script>
div = document.getElementById("div");
blockquote = document.getElementById("blockquote");
sel = window.getSelection();
sel.setBaseAndExtent(blockquote, 0, div, 2);
document.execCommand("Copy");
sel.setPosition(div, 0);

Markup.description(document.getElementById('description').textContent);

Markup.dump(div, 'Before paste');
document.execCommand("Paste");
Markup.dump(div, 'After paste');
document.execCommand("InsertHTML", false, "world");
Markup.dump(div, 'After inserting "world"');
</script>
</body>
</html>