如何在Facebook的即时文章中输入<h2>标记后的标记添加？
<?php
echo '<html>
<body>
<article>
<h2>title of paragraph </h2>
<p> This is the first paragraph of body text. </p>
<p> This is the second paragraph of body text. </p>
</article>
</body>
</html>';
?>