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rails 2:form_remote_tag has been deprecated in Rails 3,
rails 3:form_tag :url => {…}, :remote => true

rails 2:link_to_remote(“Link:”), :url => {:controller => ‘admin/feedback’, :action => ‘change_state’, :id => item.id})
rails 3:link_to(“Link:”, :url => ‘admin/feedback’, :action => ‘change_state’, :id => item.id, :remote => true)

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