I tried to implement this plugin to gl1.7.1sr1 and worked well.
*.rss file feeded by this plugin's souce contains feed description like below.
Text Formatted Code
<description>[Original Article: <a href="http://prog.crimsonj.net/article.php/20110213233022481">???????????4?????</a>]
<p>?????????????? ????????????????????londie??Rapture??????<br />
?????????????????<span style="color:red;">????????</span>??????? ...</p></description>
</item>
Sorry, some parts are garbled due to Japanese.