RSS copyright 元素

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<rss version="2.0">

<channel>
  <title>W3CSchool Home Page</title>
  <link>http://www.w3cschool.cn</link>
  <description>Free web building tutorials</description>
  <copyright>2006 Refsnes Data as. All rights reserved.</copyright>
  <item>
    <title>RSS Tutorial</title>
    <link>http://www.wfuyu.com/s/rss</link>
    <description>New RSS tutorial on W3CSchool</description>
  </item>
</channel>

</rss>