normalize

# File lib/rdoc/markup/verbatim.rb, line 16
  def normalize
    parts = []

    newlines = 0

    @parts.each do |part|
      case part
      when /^\s*\n/ then
        newlines += 1
        parts << part if newlines == 1
      else
        newlines = 0
        parts << part
      end
    end

    parts.pop if parts.last =~ /\A\r?\n\z/

    @parts = parts
  end