wrap(string, width) private

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# File lib/rexml/formatters/pretty.rb, line 127
      def wrap(string, width)
        # Recursivly wrap string at width.
        return string if string.length <= width
        place = string.rindex(' ', width) # Position in string with last ' ' before cutoff
        return string[0,place] + "\n" + wrap(string[place+1..-1], width)
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