# File lib/nanoc/cli/commands/show-data.rb, line 46
    def sorted_reps_with_prev(items)
      prev = nil
      items.sort_by { |i| i.identifier }.each do |item|
        item.reps.sort_by { |r| r.name.to_s }.each do |rep|
          yield(rep, prev)
          prev = rep
        end
      end
    end