RSS language elements
RSS complete reference manual Definition and Usage
<Language> element is used to specify the language used to write the RSS document.
Tips and Notes
Tip: <language> element allows aggregators are grouped according to the language of the site.
Tip: Check the standard language code.
Examples
<?xml version="1.0" encoding="ISO-8859-1" ?>
<rss version="2.0">
<channel>
<title>W3CSchool Home Page</title>
<link>http://www.w3cschool.cc</link>
<description>Free web building tutorials</description>
<language>en-us</language>
<item>
<title>RSS Tutorial</title>
<link>http://www.w3cschool.cc/rss</link>
<description>New RSS tutorial on W3CSchool</description>
</item>
</channel>
</rss>
<rss version="2.0">
<channel>
<title>W3CSchool Home Page</title>
<link>http://www.w3cschool.cc</link>
<description>Free web building tutorials</description>
<language>en-us</language>
<item>
<title>RSS Tutorial</title>
<link>http://www.w3cschool.cc/rss</link>
<description>New RSS tutorial on W3CSchool</description>
</item>
</channel>
</rss>
try it"
RSS complete reference manual