root -> REXML::Element
[permalink][rdoc]self が属する文書のルート要素を返します。
require 'rexml/document' doc = REXML::Document.new(<<EOS) <root> <children> <grandchildren /> </children> </root> EOS children = doc.get_elements("/root/children").first children.name # => "children" children.root.name # => "root" grandchildren = doc.get_elements("/root/children/grandchildren").first grandchildren.name # => "grandchildren" grandchildren.root.name # => "root"