<p>This tests for sentence boundary when there are empty line breaks between lines of text.<br>
The result insertion point should be at the end of the sentence "How are you?"
</p>
<div id="div" contenteditable="true">
hello
<div><br></div>
<div>world</div>
<div><br class="webkit-block-placeholder"></div>
<div><br class="webkit-block-placeholder"></div>
<div>This is a test.  How are you?  Life is sweet!</div>
</div>

<script>
var sel = window.getSelection();
sel.setPosition(div, 0);
sel.modify("move", "forward", "sentence");
sel.modify("move", "forward", "sentence");
sel.modify("move", "forward", "sentence");
sel.modify("move", "forward", "sentence");
sel.modify("move", "forward", "sentence");
sel.modify("move", "forward", "sentence");
sel.modify("move", "forward", "sentence");
</script>