# File lib/css_parser/rule_set.rb, line 100
    def each_selector(options = {}) # :yields: selector, declarations, specificity
      declarations = declarations_to_s(options)
      if @specificity
        @selectors.each { |sel| yield sel.strip, declarations, @specificity }
      else
        @selectors.each { |sel| yield sel.strip, declarations, CssParser.calculate_specificity(sel) }
      end
    end