<!DOCTYPE html>
<html>
<head>
<style>
#test {
    font-size: 300%;
    text-align: left;
    direction: rtl;
    unicode-bidi: bidi-override;
}
</style>
</head>
<body>
The composition underline should be under "XYZ".
<div id=test contenteditable></div>

<script>
document.getElementById('test').focus();
if (window.testRunner) {
    textInputController.insertText("abc");
    textInputController.setMarkedText("XYZ", 3, 0);
}
</script>
</body>
</html>