string_value( o ) public

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# File lib/rexml/functions.rb, line 132
    def Functions::string_value( o )
      rv = ""
      o.children.each { |e|
        if e.node_type == :text
          rv << e.to_s
        elsif e.node_type == :element
          rv << string_value( e )
        end
      }
      rv
    end
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