# File lib/cheat/site.rb, line 315
  def history
    @page_title  = "history"
    @sheet_title = @sheets.first.title
    h2 @sheets.first.title
    ul {
      @sheets.each_with_index do |sheet, i|
        li {
          a "version #{sheet.version}", :href => R(Show, sheet.title, sheet.version)
          text " - created "
          text last_updated(sheet)
          text " ago"
          strong " (current)" if i.zero?
          text " "
          a "(diff to current)", :href => R(Diff, sheet.title, sheet.version) if i.nonzero?
        }
      end
    }
  end