# File lib/prawn/font/ttf.rb, line 75
      def encode_text(text,options={})
        text = text.chomp

        if options[:kerning]
          last_subset = nil
          kern(text).inject([]) do |result, element| 
            if element.is_a?(Numeric)
              result.last[1] = [result.last[1]] unless result.last[1].is_a?(Array)
              result.last[1] << element
              result
            else
              encoded = @subsets.encode(element)

              if encoded.first[0] == last_subset
                result.last[1] << encoded.first[1]
                encoded.shift
              end

              if encoded.any?
                last_subset = encoded.last[0]
                result + encoded
              else
                result
              end
            end
          end
        else
          @subsets.encode(text.unpack("U*"))
        end
      end