too strict with the html format

[celesky]

very strict with the html format ,not working at the situation

<ul>
<li>123123131</li></ul><ul><li>1
</li>
<li>2</li>
<li>3</li>
</ul>

[Ruffianjiang]

效果都不是很好，另一个库 html2text 也不是很理想，稍微好一点