<!DOCTYPE html>
<html>
<head>
<style>
#editor {
    width: 160px;
    height: 100px;
    font-family: Ahem;
    font-size: 50px;
    border: 1px solid black;
}
</style>
</head>
<body>
<p>This tests inserting a character after the collapsed space at the end of a line.<br>
There should be a space between the last two boxes below, and there should be two boxes on the first line and exactly one box on the second line.</p>
<div id="editor" contenteditable>a b</div>
<script>

var editor = document.getElementById('editor');
editor.focus();
getSelection().collapse(editor.firstChild, 3);

document.execCommand('insertText', false, ' ');
document.execCommand('insertText', false, 'c');

editor.blur();

</script>
</body>
</html>