# File lib/haml/util.rb, line 137
    def merge_adjacent_strings(enum)
      enum.inject([]) do |a, e|
        if e.is_a?(String)
          if a.last.is_a?(String)
            a.last << e
          else
            a << e.dup
          end
        else
          a << e
        end
        a
      end
    end