简单教程
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代码编辑器：
<p>This is some text. This is some text. This is some text.</p> <hr style="width:50%;text-align:left;margin-left:0"> <p>This is some text. This is some text. This is some text.</p> <footer>简单教程，简单编程<br/>Copyright © 简单教程 www.twle.cn</footer>
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