A new version of WordPress HelpCenter plugin has been released by Alexking.org.
The WordPress HelpCenter plugin adds a tab in the WordPress admin interface to make it easy to get support and help from WordPress HelpCenter.
A system profile page is created, which is available in the admin interface and can also be sent to WordPress HelpCenter to aid in troubleshooting.
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More info: http://alexking.org/blog/2010/03/30/wordpress-helpcenter-plugin-updated