 not part of the test */
.test, .ref { border: 1px solid orange;  margin: 20px;  padding: 10px; width: 390px; font: 36px/1 sans-serif; }
</style>
</head>
<body>
<div id='instructions'>Test passes if the two orange boxes are the same.</div>
<div class="test" lang="ja"><div id="testdiv"><span id="testspan">フォ フォ</span></div></div>
<div class="ref" lang="ja"><span>フォ フ<br/>ォ</span></div>
<script>
var sentenceWidth = document.getElementById('testspan').offsetWidth;
document.getElementById('testd