init_help (HighLine::Menu)

    # File lib/highline/menu.rb, line 191
        def init_help(  )
          return if @items.include?(:help)

          topics    = @help.keys.sort
          help_help = @help.include?("help") ? @help["help"] :
                      "This command will display helpful messages about " +
                      "functionality, like this one.  To see the help for " +
                      "a specific topic enter:\n\thelp [TOPIC]\nTry asking " +
                      "for help on any of the following:\n\n" +
                      "<%= list(#{topics.inspect}, :columns_across) %>"
          choice(:help, help_help) do |command, topic|
            topic.strip!
            topic.downcase!
            if topic.empty?
              @highline.say(@help["help"])
            else
              @highline.say("= #{topic}\n\n#{@help[topic]}")
            end
          end
        end