# File lib/diff/lcs/htmldiff.rb, line 17
    def initialize(output, options = {})
      @output = output
      options ||= {}

      @match_class = options[:match_class] || "match"
      @only_a_class = options[:only_a_class] || "only_a"
      @only_b_class = options[:only_b_class] || "only_b"
    end